14:46:05 14:46:05 >> 14:46:06 Shall we start? 14:46:15 OK. 14:46:19 Good afternoon. 14:46:21 Welcome to voices from 14:46:25 the community Town Hall. 14:46:28 My name is Joel Butler from Fermilab 14:46:31 and I'm DPF vice chairperson 14:46:33 and I will be your host. 14:46:39 We have an exciting agenda of 22 talks, each of 3 minutes duration. 14:46:43 This is the last session of the day 14:46:45 of talks, panels, goals, 14:46:48 broad visions, regional plans 14:46:51 , plans from related fields 14:46:54 and thoughts from funding agencies. 14:46:58 These visions and goals are constructed by researchers 14:47:02 from all over the world working on many scales, large and small 14:47:06 in particle physics and related areas. 14:47:08 We are presenting here a representative sample 14:47:11 of these efforts demonstrating the vibrancy 14:47:13 of our field 14:47:13 and our commitment 14:47:16 to expanding its diversity 14:47:19 and equity. 14:47:20 We hope you enjoy these brief talks 14:47:23 whose duration, we remind the speakers, 14:47:26 will be strictly enforced. 14:47:31 We will not be able to accept questions during this session 14:47:36 but the Slack channel plenary voices from the community 14:47:39 is available 14:47:43 for questions and discussions and we encourage the speakers to engage 14:47:47 with you after the session. 14:47:48 I think now we can go to the first speaker, 14:47:51 who is mainly 14:47:55 mainly Sanchez, who will be talking 14:48:00 about ANNIE and the future of hybrid neutrino detectors. 14:48:04 14:48:04 >> 14:48:10 Can you hear me? 14:48:12 Can I share my video? 14:48:25 14:48:25 >> Please go ahead 14:48:26 and try to share 14:48:28 your video. 14:48:31 14:48:32 >> 14:48:33 I think that worked. 14:49:03 14:49:03 >> 14:49:06 Hold on a second and we will advance to the next 14:49:09 slide. 14:49:17 14:49:17 >> 14:49:20 Thank you for having me. 14:49:22 I would like to talk to you about 14:49:25 ANNIE 14:49:28 . 14:49:28 There is a broad community address in the development of these detect 14:49:32 as which by using 14:49:33 water-based liquid 14:49:34 synthesizer 14:49:36 or slow 14:49:40 scintillation 14:49:47 increasing the coverage of LACCD 14:49:49 detection capability. 14:49:53 Is a critical step toward 14:49:56 ANNIE, and neutrino experiment 14:49:58 set to take physics 14:50:00 data 14:50:03 on the neutrino bean and it will measure the neutron yield 14:50:07 using a target of 30 tons 14:50:08 of 14:50:09 (unknown term) loaded water 14:50:13 . 14:50:15 ANNIE is an R&D platform 14:50:17 for neutrino 14:50:21 detection technologies and we are currently deploying the first 14:50:23 step of five large area 14:50:25 detectors 14:50:27 which you can see on 14:50:28 this slide. 14:50:34 The experiment to a preliminary neutrino data in 2020 is expected to 14:50:38 run from 2020 to 2022 14:50:40 whether unique mix of interesting physics goals 14:50:47 and R&D, it is an excellent opportunity to train and develop 14:50:50 early career physicist. 14:50:52 In the next phase 14:50:53 , (unknown term) 14:50:54 aided 14:50:54 by 14:50:56 word 14:50:57 allow 14:51:00 a better understanding of the final state neutron 14:51:02 energy spectrum 14:51:03 and additional 14:51:05 LA PPD would meet 14:51:06 multitrack feeding 14:51:07 in 14:51:10 multi-directions 14:51:13 . 14:51:14 With this addition, ANY 14:51:17 could be the first step in a series of detectors using 14:51:20 technologies 14:51:23 and we believe it is a criminal step 14:51:25 toward 14:51:28 demonstrating the power of these hybrid detectors. 14:51:31 It could be used as a 14:51:32 new generation of experiments 14:51:34 that are at the same time 14:51:35 observatories for low energy 14:51:37 neutrinos. 14:51:40 We hope to see support for this approach out of Snowmass 14:51:44 and if you are interested to work on this and no more 14:51:47 , reach out to us. 14:51:49 Thank you. 14:51:53 14:51:54 >> 14:51:59 The next speaker 14:52:01 is (Unknown name) 14:52:03 and he will be telling us about 14:52:05 determining 14:52:07 KV range superlight 14:52:09 dark matter using graphene 14:52:10 Joseph 14:52:12 injunction. 14:52:16 14:52:16 >> 14:52:18 Can you hear my voice? 14:52:23 Good afternoon. 14:52:24 My name 14:52:26 is (Unknown name), the idea 14:52:28 I would like to share with you today 14:52:31 is 14:52:32 new dark matter direct detection matter 14:52:34 using the state of our 14:52:35 recognition 14:52:37 (inaudible) 14:52:39 technology or the GJ J 14:52:41 device 14:52:43 , which would enable us 14:52:45 to improve 14:52:46 KV 14:52:47 range 14:52:48 , dark 14:52:50 matter in the near future. 14:52:52 The working principle 14:52:53 of a GJ J 14:52:55 devices schematically depicted 14:52:59 in panel A of the left figure. 14:53:06 The energy interacts with the free electrons on the breaking layer 14:53:10 and raises the electron temperature. 14:53:11 And then the effect 14:53:12 can switch 14:53:14 the zero 14:53:14 voltage 14:53:15 to 14:53:17 resistive state 14:53:18 with an appropriate level 14:53:20 of current 14:53:20 . 14:53:24 It was recently demonstrated in the lab 14:53:27 that the devices are accurate 2.1 14:53:29 that the devices are accurate 2.1 million electron 14:53:32 deposit 14:53:35 . 14:53:35 This sensitivity can be translated 14:53:37 2.1 KV 14:53:40 in the language of the dark matter mass. 14:53:42 Inspired by 14:53:43 these low 14:53:45 energy thresholds that we have proposed, 14:53:48 novel and possibly tabletop 14:53:50 experiments to detect satellite 14:53:52 dark matter 14:53:55 superlight 14:53:56 dark matter. 14:53:59 The proposal is shown in panel B 14:54:01 in the left figure 14:54:02 and a bigger scale 14:54:04 detector 14:54:07 could be built by stacking up the single-layer units. 14:54:09 Interestingly, 14:54:12 the calculation involves capturing dark matter 14:54:15 floating in the three-dimensional space and free 14:54:17 electrons confined in 14:54:19 two-dimensional grapheme 14:54:21 . 14:54:24 It depends on the dark matter direction, the supposed 14:54:27 detector can readily 14:54:28 check the 14:54:30 directional dependence of the signal. 14:54:32 We study 14:54:33 the 14:54:39 are... 14:54:39 Together with a one-year exposure. 14:54:41 The right figure 14:54:42 shows the result 14:54:42 . 14:54:44 We found that GJ J 14:54:46 dark matter 14:54:51 detector can improve the search limit of the dark matter mats might 14:54:54 three orders of magnitude over the existing bounce represented 14:54:57 by the gray shaded area. 14:54:58 Encouraged by this result, 14:55:00 we are now preparing 14:55:01 for the first 14:55:02 KV 14:55:04 scale 14:55:05 using the 14:55:06 sample 14:55:07 devices 14:55:10 that are already fabricating. 14:55:11 Finally, 14:55:13 we are going to 14:55:17 use high energy applications 14:55:20 , low sensitivity of the JG G 14:55:23 devices, 14:55:28 on the neutrino background. 14:55:32 Thank you. 14:55:33 14:55:33 >> 14:55:41 We will go on to the next talk. 14:55:43 The next speaker 14:55:44 will be 14:55:48 (Unknown name) and she looked 14:55:50 talk about searches for 14:55:53 ... 14:55:56 14:55:56 >> 14:55:59 Hello, I hope you can hear me. 14:56:04 I work in 14:56:07 a university in Sweden 14:56:08 and 14:56:14 (unknown term). 14:56:18 It's about the searches for long-lived particles at the FCC. 14:56:21 What is the FCC 14:56:23 - 14:56:25 ee? 14:56:26 It is an electron 14:56:32 provider proposed as a possible first step 14:56:35 toward FC HH, 14:56:36 it will 14:56:39 occupy over 100 km 14:56:42 under the Geneva Lake at 14:56:44 CERN 14:56:45 . 14:56:51 It is proposed with a large energy range, 14:56:54 it will have different dedicated runs, 14:56:57 like 14:56:59 (unknown term) production of 14:57:01 (unknown term) 14:57:01 and also 14:57:02 even 14:57:03 (unknown term). 14:57:06 It will be mostly a precision 14:57:07 tool 14:57:10 but will also be much more because it also has 14:57:13 a large 14:57:14 (unknown term) potential. 14:57:15 Every measurement 14:57:15 is 14:57:17 (inaudible), 14:57:21 any small deviation with respect to the 14:57:23 (unknown term) 14:57:24 is exciting but 14:57:25 you can 14:57:30 ... 14:57:31 In particular what we want to propose 14:57:33 is 14:57:35 lonely particles are quite cool, 14:57:37 they appear in the BSM models 14:57:39 , they are quite fun 14:57:41 and at the 14:57:43 FCC we have a flak show 14:57:45 for this, 14:57:47 -- Flagship. 14:57:51 The heavy neutron (unknown term) 14:57:53 theory gives 14:57:54 like 14:57:56 matter 14:58:00 , to name a couple. 14:58:02 There are two parameters 14:58:06 that you care about when you are talking about heavy load electrons, 14:58:10 one is the (unknown term) and the other is the (unknown term). 14:58:13 You can have a large 14:58:15 (unknown term), a lonely particle, 14:58:18 it has great potential for a large phase of space 14:58:21 with 14:58:24 heavy neutron electrons but it's not the only thing. 14:58:29 SCC will have sensitivity for action like particles also known as 14:58:34 Alps that have a fun name but they are quite interesting and when you 14:58:38 have small couplings and light particles, you have 14:58:45 You can also perform 14:58:49 searches and likely their many more motives 14:58:51 we are listing 14:58:53 to get to know. 14:58:55 This kind of searches for particles are a 14:58:58 little bit more special and bring expire mental 14:59:01 challenges especially for the construction 14:59:03 because they don't detector the sign for 14:59:05 the future. 14:59:07 We are looking forward to exploring this kind 14:59:09 of opportunities in the future and we have a lot 14:59:13 of intent and you can take in the QR code and 14:59:17 go through it and if you want you can contact me 14:59:21 and we would be happy to help you. 14:59:23 Thank you. 14:59:25 >>Thank you, the next speaker will be 14:59:27 David 14:59:28 who is going to tell us about testing 14:59:31 universality 14:59:31 and 14:59:35 pion decays. 14:59:36 Go ahead, David. 14:59:37 > 14:59:38 > 14:59:44 Thank you Vern, I am David from the 14:59:47 University of Washington excitedly know but an 14:59:50 emergent project we are considering which is 14:59:52 motivated by day-to-day driven hits of new 14:59:55 physics and theoretical explanations that 14:59:56 connect the physics scales that are not 14:59:59 constrained by other data. 15:00:00 Let me remind you of some of the persistent 15:00:03 tensions in the standard model with respect to 15:00:06 data. 15:00:12 First experiment I spent my time on we are 15:00:15 suited to release first results, Joanne, we 15:00:17 promise. 15:00:18 But also, there is a deviation from the 15:00:21 standard model in the electron G -2 by few 15:00:24 standard deviations from her recently. 15:00:26 Next most recent computation of the CK on 15:00:29 first Road unitary stuff by standard deviations 15:00:31 you might ask why? 15:00:33 As you know there are several noncompliant on 15:00:36 the case on universe settle teen violations. 15:00:38 There are models I can explain these effects 15:00:41 individually, but also, the personality, that is 15:00:43 a tough one, violation can connect them. 15:00:48 We will address these by 2 precision 15:00:51 measurements that can be carried out with one 15:00:53 central compact apparatus and this 15:00:55 morning, I saw all challenge us to think 15:00:58 big and think small and I think this project 15:01:01 here satisfies a. 15:01:02 as suggestedthat. 15:01:04 By our experimental name, the first case- 15:01:06 directly in the nuanced system. 15:01:14 Hi is the ratio of charged pie indicates 15:01:17 from electrons versus muons the standard model 15:01:19 theory is known to credible precision of 2 15:01:22 parts intended the 4th in the PDG experimental 15:01:25 quarter magnitude less precise. 15:01:26 This provides a very big window for discovery 15:01:29 when there is a well-known standard lot 15:01:31 prediction and experimental far behind. 15:01:33 The 2nd experiment is by a beta decay, easily 15:01:36 the most theoretically cleaned method to obtain 15:01:39 BOD, pi Beta 15:01:41 is challenging though because the branching 15:01:43 ratio is about 10 to the -8 we want to know there 15:01:48 is a lot better. 15:01:49 Even with the threefold improvement, however, 15:01:51 one can get an improvement in the 15:01:54 diagonal ratio on the plot that you see there, 15:01:57 the diagonal constraint in the D&D plane and is 15:02:00 the first goal. 15:02:02 The diagonal will help relieve the tension you 15:02:04 see very clearly evident in that figure. 15:02:07 The group of us that have formed so far have 15:02:10 come from high beta experiments 15:02:14 and a collection of other precision physics 15:02:16 experiments around the world. 15:02:18 We will draw from our collective lessons 15:02:20 learned to develop the next generation 15:02:22 experiment. 15:02:23 Essential to this is basically the idea of 15:02:26 using 15:02:27 for pie very fast high rate capable and very 15:02:30 deep calorimeter, liquid xenon seems like-- 15:02:34 inside will be a pixelated tracking 15:02:36 system and an active pixilated stopping 15:02:38 detector for the charge stopping pion 15:02:40 experiments. 15:02:41 Appropriate pion beings do exist 15:02:43 and may need to be modified slightly but 15:02:46 they are not out of the question 15:02:48 and in summary, it is basically a modern cost 15:02:51 high impact relatively fast timeline, I want to 15:02:54 thank you very much for your attention. 15:02:57 >>Thank you David, we will now go on 15:03:00 to the next speaker 15:03:01 was Sebastian Ellis, 15:03:02 he is going to report 15:03:04 on a heterodyne protection 15:03:06 of axion 15:03:07 dark matter 15:03:09 with superconducting cavities. 15:03:11 > 15:03:12 > 15:03:22 Thank you. 15:03:23 My name is Sebastian Ellis and I would like 15:03:26 to briefly tell you about some new approach 15:03:29 we have proposed to detect Axum dark matter 15:03:32 using a superconducting radiofrequency cavity 15:03:34 SOS cavity. 15:03:35 The work was conducted with the listed offers 15:03:38 and we have submitted an LOI and a CF to any of 5 15:03:42 somatic areas. 15:03:43 Axion's, if they exist, convert protons in the 15:03:46 presence of a background magnetic field. 15:03:48 This process is form the basis of acts on dark 15:03:52 matter searches for decades. 15:03:53 Our motivation 15:03:56 is that low mass axion's are difficult to 15:03:58 approach because either one needs to build a 15:04:01 large resonant cavity or to somehow dissociate 15:04:04 the resident frequency from the cavity 15:04:06 geometry, such as by using an LC resonator 15:04:09 which unfortunately leads to suppression of 15:04:11 the signal at low axiom masses. 15:04:13 The core of our proposed approach is to 15:04:16 load and SRF cavity resident mode, so that 15:04:18 the background magnetic field required for axiom 15:04:21 conversion is oscillating as opposed 15:04:23 to static. 15:04:24 The signal frequency is then a combination of 15:04:26 the loaded mode frequency in the axiom 15:04:29 hence the heterodyne which can be matched to 15:04:32 a frequency by small deformation of the 15:04:34 cavity means. 15:04:35 The proximity of the loaded and single modes 15:04:38 means SRF cavities are ideal due to their large 15:04:41 quality factors which are frequently greater 15:04:43 than 10 to the 10. 15:04:47 The mega collaboration in the early 2000's, 15:04:49 there is a prototype of a similar device to 15:04:52 measure high-frequency gravitational waves and 15:04:54 achieved mode isolation of 140 dB. 15:04:56 Scanning an axiom mass requires careful control 15:04:59 of the cavity geometry. 15:05:06 In this respect, the dark SRF collaboration 15:05:08 and formula has recently demonstrated control of 15:05:10 roughly 1 past the 10th of the 10. 15:05:13 These 2 experimental presidents form part of 15:05:15 the basis for a theoretical reach 15:05:18 calculations sown on the slide, in particular, 15:05:20 acute cavity and quality factor that are pushing 15:05:23 the boundary of what has been achieved in SRF 15:05:26 cavities. 15:05:27 Of particular note, as a potential sensitivity to 15:05:30 the axiom in a mass range 15:05:32 with neither DM radio are sensitive as well as 15:05:35 the sensitivity till dark matter across 15:05:37 almost 9 orders of magnitude. 15:05:39 The sensitivity of a thermal device shows a – 15:05:42 green line on the slide is enhanced with respect 15:05:45 to a resonator due to the signal frequency be 15:05:48 much larger your 15:05:52 than the axiom as shown on the bottom right and 15:05:55 in practice, our approach is only 15:05:58 formalized in the higher axiom that masses for 15:06:00 mode isolation and cavity vibrations become 15:06:02 dominant sources. 15:06:03 For more details on the signal please see the 2 15:06:07 archived links I have listed on the slide. 15:06:10 Of course, continuing research and developers 15:06:12 will be required on both cavity design and 15:06:15 control to make this vision a reality and we 15:06:18 welcome discussion from interested groups. 15:06:20 Thank you for listening. 15:06:21 >>Thank you. 15:06:22 We will go on next to Marcella 15:06:25 and she is going to 15:06:31 , her talk is towards the future world 15:06:34 exploration at the energy frontier. 15:06:35 Marcella,? 15:06:36 >> 15:06:37 Yes. 15:06:38 Hello. 15:06:43 I cannot see myself but I suppose that is good. 15:06:46 Thank you. 15:06:48 For many decades, 15:06:52 colitis of the industry frontier have opened 15:06:55 windows to the unknown. 15:06:57 And most recently from the discovery. 15:06:59 It is 15:07:00 now the time to think about what is next 15:07:03 at the frontier? 15:07:05 What discoveries may lie ahead? 15:07:11 Thinking about future collateral experiment we 15:07:13 can brisk challenging questions such as what 15:07:15 is the true nature of the exposure and are 15:07:19 there more scales? 15:07:20 To such an extended scale of sector be 15:07:23 connected to dark matter and dark sector. 15:07:25 And a fundamental role in the dynamics 15:07:28 of the transition 15:07:32 during their years. 15:07:33 Moreover, the explanation of the matter 15:07:36 and 15:07:38 matter of symmetry in the universe can be 15:07:41 intimately related with insistence of new 15:07:43 particles at the reach 15:07:44 of present and future collectives. 15:07:48 We have just started to scratch the surface 15:07:51 of missions affixed properties. 15:07:52 As you see 15:07:56 on the right-hand side of the slide, it was 15:07:59 only a couple months ago that we stop blushed the 15:08:03 explosion with any-- beyond the next 15:08:05 generation. 15:08:06 Future runs may help us understand if 15:08:08 the hex is composted 15:08:14 rather than the particle ultimately the 15:08:16 measurements of the interactions will lead 15:08:18 to deep understanding of the properties 15:08:20 of this new and very intriguing scale of 15:08:23 particle. 15:08:23 Future collider's of many different types 15:08:27 from a collider with an initiative beyond 2 15:08:30 collider hex factory, will give us unique 15:08:32 handles in systems of new particles both 15:08:35 through their direct discovery of signals as 15:08:37 well as their interactions with 15:08:39 exposure 15:08:39 and other particles. 15:08:41 Most interesting, 15:08:42 if they exist, 15:08:43 they can establish 15:08:45 and modify the strength 15:08:47 of the 15:08:50 transition and thereby, help explaining 15:08:51 Association 15:08:52 with 15:08:53 the mature 15:08:55 - 15:08:55 - 15:09:00 very tantalizing possibility. 15:09:01 It is of great importance for the US to 15:09:05 continue a strong participation in the 15:09:07 global energy frontier efforts. 15:09:12 Strong physics motivation, coupled with 15:09:14 unique expertise make it natural for the US 15:09:17 scientists to play a leading role in the next 15:09:20 measure energy frontier facilities. 15:09:22 Including existing proposals as we know, 15:09:24 such as FCC, CBC, 15:09:26 click and MCC. 15:09:27 Regardless 15:09:28 of where in the world 15:09:31 they may be hostage. 15:09:32 Thank you. 15:09:32 > 15:09:33 > 15:09:35 Thank you Marcella, we will go on to the next 15:09:39 speaker. 15:09:43 Who is Philip Harris, he is going to talk on 15:09:47 dark quests and long quest at 120 GV for the 15:09:50 main projector. 15:09:51 >>Hi, I am Philip 15:09:58 Parris from the IT and I'd like to tell you but 15:10:02 the dark West experiment, Carquest is 15:10:04 an idea of an experiment to look for dark sectors 15:10:07 , dark sectors to become a very popular topic 15:10:10 over the past few years. 15:10:13 And we know that if the coupling is sufficiently 15:10:16 small, for light dark matter, you can actually 15:10:19 get the right thermal intensity of dark 15:10:21 matter. 15:10:22 Not only that, a small cup lead could be giving 15:10:25 a striking signature is often leads to long 15:10:28 lived particles. 15:10:29 For dark particles, we want to use the proton 15:10:32 main projector formula and fire this on the 15:10:35 target and then using uniquely compact 15:10:42 duct to search for a long of signatures that 15:10:45 come from this proton feed. 15:10:47 But the nice thing about this experiment is that 15:10:50 it mostly already exists, is called the 15:10:53 spin quest experiment and is used currently 15:10:55 for nuclear physics. 15:10:57 We propose a modest upgrade in this 15:10:59 experiment by adding an EM calibre from the 15:11:02 Phoenix experiment 15:11:04 at minus cost and this will give us access to 15:11:07 normally displaced neurons but displaced 15:11:09 electrons and displaced hadrons. 15:11:10 You can see a wealth of signatures and all of 15:11:14 this can be run in 20 2324 before the PIP to 15:11:18 upgrade. 15:11:18 To give you an idea of our sensitivity, here on 15:11:22 the bottom left, we have sensitivity 15:11:24 on dark photons and you can see we have 15:11:27 comparable sensitivity to other experiments 15:11:29 such as phaser and any 62+ plus, within the 15:11:32 similar time scales 2024. 15:11:34 We are capable of running a broad range of 15:11:37 -- including Acxiom like particles 15:11:41 in elastic dark matter, dark photons and so on. 15:11:45 And, with our LOI, we need to actually 15:11:48 put 15:11:48 modules into the test 15:11:50 ing 15:11:51 and looking and say the performance of the data 15:11:55 rates 15:11:59 are for the potential upgrade of dark quest 15:12:02 and further, we aim to build the full 15:12:04 simulations we can really confirm our 15:12:07 sensitivity and prove many of the new 15:12:09 interesting practices. 15:12:10 Thank you. 15:12:11 >>Thank you, Phil. 15:12:13 We are going to go onto the next speaker 15:12:16 who is Marcel. 15:12:17 He will offer perspective on a unified 15:12:20 US particle physics program. 15:12:21 >>Thank you very much Juel. 15:12:24 And thank you for giving me the 15:12:27 opportunity to speak to this. 15:12:31 I would like to speak to a perspective on 15:12:34 creating a future particle physics program 15:12:36 and the US. 15:12:38 In my opinion, a healthy vibrant particle physics 15:12:40 program cannot be dominated 15:12:46 by only megaprojects, but really needs a 15:12:48 balanced portfolio of small, medium, and large 15:12:50 scale projects. 15:12:52 And that means, I also think that the field 15:12:55 should exploit all opportunities that it 15:12:57 has to advance its science. 15:12:59 I know that this source 15:13:00 , the world's most intense 15:13:02 nutrient source 15:13:04 is actually also the brightest 15:13:07 and the cleanest neutrino source in the 15:13:10 world. 15:13:10 Just 15:13:13 demonstrate the scientific capabilities 15:13:14 through the world's first discovery 15:13:17 of elastic and neutrino scattering not just 15:13:19 forms 15:13:22 like in 2017, but actually twice 15:13:25 with the recent demonstration of sevens 15:13:27 in the ion targets. 15:13:30 The SNS is in the process 15:13:35 of a power upgrade and they will have 2.8 MW 15:13:38 proton driver in 2025. 15:13:43 In there I think will provide unique 15:13:45 opportunities for the field for neutrino 15:13:47 physics. 15:13:52 Furthermore, the 2nd dark station is being 15:13:55 constructed. 15:13:56 And that could also potentially provide 15:13:58 space in the 2nd target station building to 15:14:00 house future neutrino experiments. 15:14:02 Now, the SMS is not the only neutron and 15:14:05 neutrino source 15:14:06 . 15:14:07 The high flux isotope reactor also provides a 15:14:10 continuous 15:14:10 and a well understood source of electron 15:14:13 anti-neutrinos. 15:14:13 2 upgrades 15:14:15 are being considered. 15:14:20 In both upgrades provide an opportunity 15:14:22 for fundamental physics experiments 15:14:23 that is even strongly supported by a recent 15:14:27 B section report. 15:14:28 This particle physics program 15:14:29 can be expanded also 15:14:32 to study not only neutrinos, 15:14:35 also neutrons such as small-scale searches 15:14:37 for mirror neutron 15:14:39 oscillations. 15:14:47 There are 2 other projects that I would 15:14:50 like to mention at the lab. 15:14:52 What is the materials plasma exposure 15:14:54 experiment facility that will measure materials 15:14:56 up to 50 displacements per hour. 15:14:58 Which could inform the target tree that is 15:15:01 being considered for the intensity frontier 15:15:03 program and also 15:15:10 the nuances spin residence facility is 15:15:12 being considered that build 2×10 to the Nuance 15:15:15 per 2nd that could be a terrific source of 15:15:18 nuance for fundamental physics studies. 15:15:20 So, my 3 minutes here really is an invitation 15:15:23 from Oak Ridge to the high-energy physics 15:15:25 community to consider these resources to build 15:15:28 this future program. 15:15:29 And I would like to remind you, together, we 15:15:32 are stronger than this. 15:15:34 Thank you very much. 15:15:36 >>Thank you Marcel. 15:15:37 Next speaker will be Ryan ignored, 15:15:39 and he will 15:15:43 tell us the culture change is necessary and 15:15:46 it requires strategic planning. 15:15:47 Ryan, go ahead. 15:15:48 15:15:48 >> 15:15:50 Thank you for organizing this and they could to 15:16:00 The evidence is then, 15:16:02 racism permeates society 15:16:07 and the community. 15:16:08 The evidence is that black people and persons of color 15:16:11 are minority ice by 15:16:14 policies and we are 15:16:16 disenfranchise. 15:16:20 When the reality is acknowledged by groups in the scientific community 15:16:23 responses have included a reinvigoration 15:16:28 of diversity initiatives, creating committees and generating solutions 15:16:31 before consulting the main excerpts 15:16:34 -- experts. 15:16:37 It can be dangerous for the purported 15:16:39 beneficiaries 15:16:42 , and for enabling a sustained effort 15:16:44 that goes beyond 15:16:45 a few initiatives 15:16:46 or committees. 15:16:47 Therefore, 15:16:52 we make multiple recommendations which are detailed in our Snowmass 15:16:56 , linked at the top of the slide. 15:16:59 These include things 15:17:01 that many of us are familiar with our 15:17:06 design of science experiments like becoming familiar with the problem 15:17:09 space and state-of-the-art 15:17:10 processes, partnering with experts 15:17:12 and strategic planning. 15:17:13 These also include 15:17:17 some newly framed elements like constructive and compassionate 15:17:19 conflict and shared leadership. 15:17:21 Imagine we are pursuing a new 15:17:24 understanding of some aspect of the universe, 15:17:26 what are 15:17:30 the processes we go through to design the experiment and build 15:17:34 collaboration? 15:17:34 What actions or strategies do we avoid? 15:17:36 How do we prioritize 15:17:37 approaches to those challenges? 15:17:43 We establish clear and measurable goals and write down requirements to 15:17:46 achieve those goals and then we grind, 15:17:49 periodically revisiting the strategy until the goal is a disk 15:17:53 accomplished. 15:17:54 Now imagine 15:17:57 this effort is creating a just research environment 15:18:00 because it is a fundamental issue in our community 15:18:03 and the right thing is to do something about it. 15:18:06 If we consider the challenge urgent, 15:18:08 it means we have to deal with the tension between 15:18:11 triage 15:18:12 and acting 15:18:13 on research 15:18:17 elements while also planning all of the elements coherently. 15:18:22 We recommend that we as a community access the creativity and discipline 15:18:26 were using science efforts and apply it to work 15:18:29 for justice in the scientific community. 15:18:32 This includes using strategic planning and partnering with experts 15:18:35 to get to a more equitable 15:18:37 decision-making 15:18:38 process than we have now. 15:18:40 Examining what we've done in the past and updating 15:18:43 those methods. 15:18:45 In some ways this work is similar to our work in scientific 15:18:48 efforts, 15:18:49 we need to establish new 15:18:55 knowledge, if we want something different we need new approaches and 15:18:58 solutions and an appropriate plan. 15:19:00 Now we've spent a lot of our time 15:19:02 imagining what our future of understanding the universe looks like 15:19:05 , we need strategic planning to carry out 15:19:08 our 15:19:09 future imagination of justice. 15:19:12 15:19:12 >> 15:19:14 Thank you, Brian. 15:19:15 The next 15:19:21 speaker is Kelly who will talk about Snowmass as a path toward 15:19:24 cultural change and the role of collaborations. 15:19:26 15:19:27 >> 15:19:31 My name is Kelly and I speak on behalf of a group of folks from the 15:19:36 neutrino and dark matter experiment communities. 15:19:38 As we have heard, inequities and marginalisation of 15:19:43 identity groups continue to plague our society as a whole and physics 15:19:46 in particular. 15:19:47 The evidence is striking. 15:19:48 75% of undergrad women in physics report 15:19:51 experiencing sexual harassment 15:19:52 and the number of undergrad physics 15:19:56 degrees awarded to black students in the US has stagnated or declined 15:20:00 . 15:20:00 Our subfield 15:20:02 is a unique situation since many of us belong to 15:20:08 multi-hundred or thousand person collaborations which continue to 15:20:10 grow. 15:20:11 Our collaborations radically expand the sites we can pursue 15:20:13 and introduce new challenges, 15:20:18 they bring together people from a wide variety of backgrounds. 15:20:21 Since they play 15:20:24 such a large role in the day-to-day experiences of many scientists in our 15:20:27 field, every collaboration should be grappling with the issues of equity 15:20:31 and justice with the same energy with which we pursue our science. 15:20:34 As Brian asserted, we must not 15:20:36 approach this uninformed, we must draw on the results from 15:20:41 reports and community calls to action like those listed at the 15:20:45 bottom of the slide. 15:20:46 This can and should 15:20:47 be urgently happening in all collaborations, 15:20:49 independent of the Snowmass process. 15:20:52 Collaborations can't do it alone. 15:20:56 We often lack the resources, the institutional infrastructure 15:20:59 or political standing required for meaningful change. 15:21:04 For example many collaborations have instituted codes of conduct 15:21:07 but 15:21:07 struggle to enforce them 15:21:09 when the parties come from different 15:21:13 institutions or different countries with different sets of regulations. 15:21:16 Solutions to these crosscutting issues will 15:21:20 necessarily come from working together with funding agencies, 15:21:23 national labs, 15:21:23 universities and professional societies 15:21:26 and this is the power of the Snowmass process 15:21:28 – it is a chance for us as a community 15:21:31 to describe the future we want to see for our field 15:21:36 and start planning for the changes that will bring us closer to that 15:21:39 future. 15:21:40 For this reason, the resulting P5 report 15:21:42 should include recommendations to put it on a path toward a more 15:21:46 equitable and just community. 15:21:47 These recommendations, informed by strategic planning 15:21:50 and expertise in appropriate discipline should support 15:21:55 and empower collaborations to pursue justice, as we do our science 15:21:58 because 15:21:59 this problem of inequity in our field will not solve 15:22:02 itself. 15:22:02 We must face it head on, every day, 15:22:05 into the future, 15:22:07 both in our collaborations and as a community. 15:22:10 Thank you. 15:22:10 15:22:11 >> 15:22:12 Thank you, Kelly. 15:22:14 We will now move on to 15:22:16 Sven 15:22:24 who will talk about gas TPCs with directional sensitivity to dark 15:22:27 matter, neutrinos and BSM physics. 15:22:29 >> I'd like to talk you 15:22:31 about Cygnus, 15:22:33 the proposal to build directional 15:22:38 detectors searching forward neutrinos, dark matter and BSM 15:22:41 physics. 15:22:41 It's been demonstrated that that gas correction 15:22:45 chambers with high definition charge readouts can 15:22:47 detect 15:22:49 , shown on the top left seen in 3D 15:22:52 , 15:22:52 electronic readouts and to die 15:22:56 2D with optical readouts. 15:22:57 We can have fine readout 15:22:59 segmentation, 15:23:01 and 15:23:03 low enough that the diffusion scale 15:23:05 is smaller than 15:23:07 the report went. 15:23:10 This enables not only directionality but particle 15:23:12 identification as shown here, 15:23:16 very low energies in the KV range, 15:23:18 electron 15:23:18 look very 15:23:20 different in the resolution. 15:23:21 This allows 15:23:23 us to open the door 15:23:25 to large experiments 15:23:27 and directionality. 15:23:31 The directionality is key for penetrating 15:23:36 neutrino flow and distinguishing neutrinos from other sources such as 15:23:39 the sun and the oath from the 15:23:41 dark matter is coming from a different direction. 15:23:47 To get sensing our exposure, to build a multi- 15:23:50 science underground Observatory, 15:23:51 this effort 15:23:52 has now 15:23:52 been 15:23:54 built 15:23:58 an international 15:24:04 effort receiving its first funding in Europe and Australia. 15:24:07 Up what I would like to emphasize is the long-term goal 15:24:10 , a nice long-term research 15:24:16 project here that allows you to do new physics measurement for every 15:24:19 factor of 10 in exposure, 15:24:22 we have released a design paper which is on the archive, 15:24:25 but many other measurements are possible, 15:24:27 very small 15:24:29 , should be able to 15:24:32 observe the (unknown term) effect, 15:24:35 scaling up from 1 to 10 m³ 15:24:37 should 15:24:38 detect 15:24:41 elastic neutrino scattering is 15:24:43 in the neutrino beam could be 15:24:45 the one shown here or the SMS 15:24:47 . 15:24:48 Going up to 10 m³ 15:24:52 as shown on the plot on the right, you should be able to 15:24:56 set the world's strongest limits. 15:24:58 For 15:25:03 every order of magnitude increase in exposure, new physics becomes 15:25:06 possible. 15:25:06 We take this to a 15:25:08 scale 15:25:10 facility at room temperature, lower cost, 15:25:12 this should be able to detect free 15:25:14 neutrinos 15:25:16 , revealing the physics of the heat 15:25:19 generation of the earth. 15:25:21 For Snowmass many 15:25:22 proposals related to this was submitted, 15:25:25 many of them address beyond the standard model 15:25:28 aspects of it, searches for new particles, 15:25:31 and unfortunately this slide 15:25:32 doesn't show this 15:25:33 , 15:25:34 but the main 15:25:37 message is there are many unexplored ideas 15:25:39 for Snowmass 15:25:39 and we 15:25:42 invite you to join this exciting 15:25:44 effort 15:25:45 , we plan 15:25:46 a workshop 15:25:47 this fall, 15:25:48 the cosmic neutrino 15:25:49 implementation for 15:25:52 frontiers exploring this further. 15:25:53 Thank you. 15:25:55 15:25:55 >> 15:25:57 The next speaker is Matthew 15:26:03 , he will tell us about searching for Millie charged particles with 15:26:06 center later based detectors. 15:26:07 15:26:08 >> 15:26:12 Millie charged particles are well motivated through kinetic mixing 15:26:14 between the standard model 15:26:16 and a possible dark sector. 15:26:21 Coladas and neutrino saucers but general-purpose detectors 15:26:27 typically they will be sensitive as the interaction probability goes to 15:26:30 the charge of the particle squared. 15:26:32 How can we find such signatures? 15:26:34 The idea is to use a long center later bar 15:26:37 , 15:26:37 and beam them to detect small 15:26:40 charged particles 15:26:43 and you can see on the left ear. 15:26:48 The expected single from Millie charged particles traveling through 15:26:50 the back tractor 15:26:51 detector 15:26:53 and each part must be capable of 15:26:56 detecting a single scintillation photon 15:26:57 . 15:27:00 The design is important because backgrounds can be 15:27:02 rejected 15:27:03 , 15:27:06 coming with a small 50 ms window. 15:27:08 This design is easy to scale and adapt 15:27:10 and this has been used 15:27:13 at a variety of societies, 15:27:16 facilities, 15:27:17 to detect 15:27:18 neutrino 15:27:19 sources 15:27:24 ... 15:27:24 You can see the sensitivity curves for detections on the right-hand side 15:27:28 in blue and purple 15:27:29 . 15:27:30 There is a possibility for detecting 15:27:34 ... 15:27:35 How do we know such a detection design work 15:27:38 ? 15:27:38 In 2018 a small prototype 15:27:40 was installed at CERN, 15:27:42 this rants 15:27:42 successfully 15:27:45 characterizing 15:27:50 backgrounds as well as setting the first limits in Millie charged 15:27:53 particles at the hadron Collider. 15:27:55 You can see the results of this on the right-hand side in red. 15:27:59 This was published 15:28:00 , the data was also used to provide 15:28:02 important lessons to guide 15:28:03 future detectors 15:28:06 . 15:28:06 Summarizing 15:28:07 for Snowmass, 15:28:10 the idea is we want to use the data from the demonstration 15:28:14 to update protections for full-scale 15:28:15 detectives with consideration of the backgrounds 15:28:19 as well as a fully calibrated SA simulation. 15:28:22 And important lessons for 15:28:24 detectors 15:28:26 , for example, 15:28:29 we have observed that three layers was not enough 15:28:32 , for layers was required. 15:28:34 This is timely 15:28:36 as a collaboration has recently saved 15:28:38 received 15:28:41 funding, this is an important intermediate step 15:28:43 . 15:28:45 And the input 15:28:47 will because equal for that 15:28:49 project. 15:28:50 In conclusion, 15:28:51 scintillation 15:28:54 base detection over the next few years, 15:28:56 it will be an exciting time 15:28:57 for the 15:28:59 potential discovery of Millie charged 15:29:00 physics. 15:29:03 15:29:03 >> 15:29:05 Thank you, 15:29:06 the next 15:29:07 speaker will talk about 15:29:08 measurement 15:29:13 of the fine structure constant as test of the standard model. 15:29:15 the community for paying attention. 15:29:16 15:29:17 >> 15:29:21 h 15:29:21 ello this is from 15:29:24 Berkeley, the fine structure concept 15:29:25 designs the strength of the electromagnetic 15:29:27 interaction and therefore underlies most 15:29:29 of the physics 15:29:31 that we are familiar with. 15:29:33 The most precise measurements of the fine 15:29:36 structure constant are based on 2 effects, one 15:29:38 is the anomaly which has precision off 1/4 15:29:45 part per billion and the other is measuring 15:29:48 the ratio of the plan constant with the 15:29:50 particle mass and combining that with the 15:29:53 Richter constant. 15:29:54 This has so far been the most precise measurement 15:29:58 of the fine structure constant that our 2018 15:30:01 results of being over 137 or 35999046. 15:30:03 The power of such measurements 15:30:06 or about the standard physics is shown on the 15:30:09 right-hand side of the slide that shows 15:30:17 all the terms that enter the prediction of 15:30:19 the fine structure constant at the current 15:30:22 expert mental position. 15:30:23 And you will see it's not only the first 5 15:30:27 orders of quantum electrodynamics can we a 15:30:29 nation but also the existence of the neuron 15:30:32 and hydrants features and about sending a at 15:30:35 the current accuracy. 15:30:36 The goal of our project is to improve the 15:30:39 accuracy 15:30:40 to the fine structure constant measure by more 15:30:42 than a model of magnitude and this would 15:30:45 for the first time reveal for example, the 15:30:48 existence of the low energy experiment, this 15:30:51 would get very close depending on other 15:30:53 auxiliary 15:30:54 measurements that are needed and importantly, 15:30:56 on a remeasurement of the neuron's magnetic 15:30:58 moments that is being prepared by Jerry 15:31:01 Gabriels. 15:31:02 The key to our improved experiment, the 15:31:04 experiment 15:31:07 itself by measuring the recoil velocity of an 15:31:10 atom that has scattered a photon and as you can 15:31:13 imagine, this velocity depends 15:31:16 on the normality's speckled patterns. 15:31:18 Our approach is to take the control over the 15:31:21 spatial structure 15:31:28 of the laser beam to an unprecedented level and 15:31:31 then experiment shown on the left is essentially 15:31:34 a massive vacuum chamber that has been optimized 15:31:36 to provide a nearly perfect conditions and 15:31:39 propagation in the middle. 15:31:40 The recoil velocity will be measured in an atomic 15:31:43 and you can see the space-time diagrams of 15:31:46 the atomic trajectories of the graphs at the 15:31:49 bottom of the page. 15:31:51 If everything works fine we hope to get a 10 to 15:31:55 20 part result on the fine structure constant 15:32:00 in 3 years, this would amount to a broad and 15:32:03 deep test of the standard model, lots of 15:32:06 pieces of the standard model have to be right 15:32:09 in order for the comparison of the 15:32:12 electrons momentum to check out and is also 15:32:15 brought a sensitive search for dark matter 15:32:17 candidates. 15:32:18 Thank you very much for your attention. 15:32:20 >> 15:32:21 Thank you. 15:32:22 The next speaker will be Harvey Newman, he is 15:32:25 going to tell us about future information and 15:32:28 communication technologies, for the 15:32:29 LAC and beyond the limit. 15:32:31 Harvey, go ahead. 15:32:32 >>Hello everyone, I am Harvey Newman from 15:32:35 Caltech, I'd love to give a perspective on 15:32:38 coming revolutions in information 15:32:39 and communication technologies. 15:32:40 Both because 15:32:41 they shape the way we actually do research 15:32:44 and also 15:32:47 how the environment will change. 15:32:49 And also, because it represents 15:32:51 opportunities for future planning 15:32:52 some of which 15:32:53 may not have already been realized. 15:32:58 On the front of semiconductors there 15:33:00 have been struggles 15:33:01 to go beyond 15:33:03 and feature the roadmaps that go down 15:33:05 below the 1 m level around 2030 15:33:08 , 15:33:09 and so there has been arriving tied 15:33:11 on new technologies 15:33:14 on the unseen laws which can maintain the 15:33:17 progress and the capability increase 15:33:21 which is really driver of progress and also 15:33:27 unlike other fields the industry is already 15:33:29 grappling with the fact that there are 15:33:32 continuing to progress that will have to 15:33:34 undergo these transitions. 15:33:36 Among the technologies 15:33:40 are photonics which have surface waves 15:33:42 or 15:33:51 things other than electrons that carry 15:33:53 signals and overcome the energy speed barriers 15:33:55 which we are familiar with and we actually 15:33:58 build into some of our detecting designs and so 15:34:01 this is an opportunity to go beyond them. 15:34:04 And also, our range of new methods that have 15:34:07 tested technologies, materials using surfaces 15:34:09 which are structured which enable you to 15:34:11 shape and direct 15:34:12 form white fronts and change beams and use 15:34:15 freedoms such as 15:34:18 momentum. 15:34:18 Optical communication that we use every day 15:34:24 also in experiments completely change and 15:34:26 so, multicore farmers using 15:34:28 fibers 15:34:33 fibers using photons 15:34:35 will come to the forefront very soon. 15:34:40 These are the opportunities, and I 15:34:42 think, and future planning, 15:34:44 it is important to realize that some of the 15:34:47 barriers we have built into our designs 15:34:49 will probably be bypassed and replaced, 15:34:51 so these when these emerge we should take 15:34:54 advantage of them was a pause from the system 15:34:57 point of view, 60 wireless is already 15:35:00 being formed 15:35:00 for the standard, which will take another 10 15:35:03 years. 15:35:04 There is been a new generation of wireless 15:35:07 every 10 years. 15:35:08 And this will also change 15:35:10 the way we enter communicate 15:35:12 with universities that harkens 15:35:14 directing how we handle 15:35:15 systems 15:35:18 of entities which are mobile 15:35:21 and overlapping ensembles of objects 15:35:30 on mobile scales. 15:35:32 This again will be revolutionary. 15:35:34 Finally, I wanted to say, when you look at 15:35:37 our roadmaps which go up several years, we also 15:35:40 thought back to what is the timing from first 15:35:43 ideas to products and it's typically about 15 15:35:46 years. 15:35:46 We should have a flexible view, keep a 15:35:49 watch on all these technologies, and 15:35:51 ongoing revolutions and use them in our 15:35:54 experiments and our future planning, thank 15:35:56 you. 15:35:57 >> 15:35:57 Thank you Harvey. 15:35:59 The next speaker is Mariana and she will 15:36:02 tell us about 15:36:04 atomic clocks and precision spectroscopy 15:36:06 measurements for dark matter and dark sector 15:36:08 searches surges. 15:36:09 Go ahead. 15:36:10 >> 15:36:14 Thank you so much. 15:36:15 This project isn't a collaboration of 7 15:36:18 countries and about 30 people. 15:36:19 And the identity of atomic and 15:36:22 nuclear clocks to search 15:36:23 for physics be a standard model comes 15:36:26 through the extraordinary 15:36:27 improvements 15:36:32 in the precision of the clocks. 15:36:34 As you can see, in the graph, on the left-hand 15:36:38 side, the blue line, that is a program 15:36:40 progressive micro meant crop 15:36:47 clocks, about 16 fraction percentage in 15:36:49 the optimal clocks which are based on particle 15:36:52 frequency however, are now 10 to the -18 and 15:36:55 approved by 4 orders of magnitude in recent 15:37:00 15 years or so. 15:37:01 And we really don't know how far this will go. 15:37:05 There is no technical reason why it can 15:37:08 continue improving clocks by more orders of 15:37:10 magnitude. 15:37:11 And just to put things into perspective, as a 15:37:14 fraction of precision of clocks at 10 to the -18, 15:37:17 means that this clock, the model is one 2nd. 15:37:21 In this progress enables 15:37:22 various studies of physics beyond the 15:37:25 standard model in clocks, and it all 15:37:27 started from the question of the 15:37:29 fundamental constant because the fundamental 15:37:31 constant such as a fine structure constant was 15:37:34 measuring actually changes with time or 15:37:36 space. 15:37:36 Then so do automatic frequencies or nuclear 15:37:39 frequencies and still do all the call 15:37:41 frequencies and you can detect them by looking 15:37:44 at ratios of the clocks. 15:37:46 And that recently was realized dark matter 15:37:49 also fundamental constants. 15:37:50 Either transient or 15:37:52 Austro literary. 15:37:53 There many new projects now 15:37:56 which already have new results, looking for 15:37:58 dark matter clocks 15:38:05 the equivalence principle, searches the 15:38:07 violation and also proposal to do rotation 15:38:10 of detection 15:38:10 and recent proposals of quantum sensors such as 15:38:13 clocks would actually act for 15:38:15 multi-messenger astronomy. 15:38:23 There also later projects which don't 15:38:25 specifically have clocks on other precision 15:38:27 experiments such as searches for new force 15:38:29 mediators. 15:38:33 And, the motivation for all of those experiments 15:38:36 besides extraordinary precision of clocks is 15:38:38 that a number, many of these theories 15:38:40 propose to solve various problems of the 15:38:43 standard model, actually remove those fields and 15:38:45 we have now an opportunity 15:38:47 to really reach those experiments 15:38:50 by several orders of magnitude by building 15:38:52 clocks which have the highest 15:38:56 sensitivity and fact. 15:38:57 In fact, this project is a part of the developing 15:39:01 field of precision of the Potomac there are 30 15:39:04 letters of interests 15:39:08 of atomic physics communities and our goal 15:39:10 for this normal process is to redevelop particle 15:39:13 particle physics collaborations and hope 15:39:15 it brought interest in those experiments and to 15:39:18 have 15:39:19 strong collaboration to actually fully realize 15:39:21 the potential. 15:39:22 They could so much for your pension 15:39:25 attention. 15:39:26 >>Thank you. 15:39:30 The next speaker is Francesco Giovanni 15:39:35 and he will talk about 3D proton tomography at 15:39:39 the IC TMD distributions. 15:39:41 You can start now. 15:39:42 15:39:42 >> 15:39:46 Thanks, hello everyone, today I will present 15:39:48 this one slide about tri-mental description on 15:39:52 colitis and I will be happy to motivate future 15:39:55 studies and mass communicate about 15:39:57 TMD 15:39:58 functions. 15:40:00 My work is a basic name 15:40:03 ongoing project in collaboration 15:40:07 with the Citigroup and Muniz city in Italy. 15:40:10 And we know that 15:40:11 they represent a co-sector 15:40:14 of the electronic colitis studies. 15:40:16 And we know that without 15:40:20 this next generation of colliding machines, it 15:40:22 will be possible to study 15:40:24 to perform its systematic study 15:40:26 , 15:40:29 in particular from the TMT point of view, which 15:40:32 actually presents one of the most challenging and 15:40:35 the less known sector of the interactions. 15:40:39 With the aim of fulfilling the need for 15:40:42 affects of models, 15:40:43 the terminology, we provide systematic 15:40:44 framework 15:40:46 , which allow us to calculate at the end of 15:40:49 this approach and polarize 15:40:51 TMD 15:40:51 function 15:40:52 and 15:40:56 we know that the information 15:41:01 distribution and mainly in large, in reach, 15:41:03 our knowledge, 15:41:08 and our knowledge coming from the standard 15:41:10 one dimension description at the end 15:41:12 of standard functioning and can be used 15:41:15 to 15:41:18 mention autographing studies 15:41:21 in particular, the axle acts. 15:41:23 So 15:41:27 my work may be referred to 15:41:29 the first paper in collaboration 15:41:31 with my colleagues 15:41:32 and here as an example 15:41:35 on the right block, on the right 15:41:39 lower corner of the slides, I present 15:41:42 to possible 15:41:42 combinations 15:41:44 of this distribution, 15:41:46 the density on the left 15:41:49 and the density on the right, there is a 15:41:52 functional process. 15:41:55 We see here the plot of oscillation on these 2 15:41:59 densities, along 15:42:02 the trances momentum plane, they move it to 15:42:04 the left one in response to the density of 15:42:08 finding polarizing and not polarizing in this 15:42:10 case, 15:42:11 the other one is on the right, we have 15:42:15 the one which corresponds 15:42:17 that gives us the probability of finding 15:42:19 a secondary 15:42:20 polarizer 15:42:25 in this case, again proton, and this is just 15:42:28 an example to show 15:42:29 to see, 15:42:30 how 15:42:32 it's enough to predict things 15:42:34 in the behaviour 15:42:39 of the densities, taking into account the 15:42:42 polarization out of the aim 2nd one 15:42:44 and after our calculation 15:42:45 , 15:42:47 and distinguishing function, we will perform 15:42:52 the distinguishing function and provide 15:42:53 support 15:42:54 to physics. 15:42:55 Thanks. 15:42:56 > 15:42:56 > 15:43:00 Thank you, the next speaker will be Richard 15:43:02 Tomlin, who will talk about colliding elastic 15:43:05 PPE 15:43:05 scattering to test 15:43:07 P violation are 15:43:08 - 15:43:08 - 15:43:10 go ahead, Richard. 15:43:11 15:43:11 >> 15:43:13 I'm Richard from 15:43:14 Cornell, 15:43:16 and you heard 15:43:20 in the earlier talk, about the pronounced 15:43:22 closing lab 15:43:24 in Germany, the stock described in application 15:43:27 . 15:43:27 The goal is 15:43:28 to detect 15:43:32 violation or parity violation 15:43:33 in seemingly 15:43:35 proton proton 15:43:37 proton neuron scattering. 15:43:40 Lien and Wolfenstein 15:43:45 have independently proposed 15:43:51 semi strong symmetry breaking mechanisms 15:43:52 going beyond the standard model. 15:43:54 The goal will be to improve symmetry 15:43:57 violation 15:43:58 upper limits by more than one order of 15:44:01 magnitude's, approaching 15:44:02 one part per thousand. 15:44:11 The method suppose it is proton neurons 15:44:13 gathering, detection chambers at the 15:44:15 intersection point of a single ring providing 15:44:17 beam storage ring, 15:44:21 protons travel in one direction, pseudo-frozen 15:44:23 neurons in the other. 15:44:25 This fixes the spin states of both 15:44:28 particles. 15:44:28 Being a storage ring, the centre of masses is 15:44:31 moving only slowly 15:44:34 so both scattered energies lie in the 15:44:37 narrow range, for example, from 40 to 65 15:44:40 kinetic energy. 15:44:41 The scattered particles will flow 15:44:45 tracking chambers. 15:44:46 Some will undergo nuclear scatters 15:44:49 in the tracking chamber plates, this will 15:44:51 provide 15:44:53 efficiency of 1% 15:44:56 analysing power of 0.4, 15:44:58 . 15:45:01 Finally, I turned to the anticipated 15:45:03 performance. 15:45:04 The storage ring luminosity will be 0.6 15:45:06 in hurst Miller binds per 2nd. 15:45:11 This will produce 100 million clean evens per 15:45:14 year. 15:45:15 A clean, I mean 2 unambiguous single tracks 15:45:18 detected in time coincidence. 15:45:28 Most will be cold in here, except for centre 15:45:36 These events will provide accurate, 15:45:37 independent 15:45:39 measurements are 15:45:39 over 15:45:44 , more than 1 million of these events 15:45:50 will have one or the other particle, nuclear scattering in the 15:45:53 dragging chambers. 15:45:54 These polarization measurements are 15:45:55 sensitive to symmetry 15:45:59 violations, 10,000 events will have both particles of nuclear scattering 15:46:02 , 15:46:04 these are particularly sensitive to symmetry violation 15:46:07 . 15:46:07 For these events both 15:46:09 initial and states are known 15:46:11 , and final state 15:46:14 polarizations will have been measured. 15:46:16 These events 15:46:17 lead us to expect 15:46:19 to be able to reduce 15:46:21 the upper limits 15:46:24 on symmetry violation that I mentioned before. 15:46:27 Thank you. 15:46:30 15:46:30 >> 15:46:52 Thank you. 15:46:58 For selecting me to talk. 15:47:00 I'll talk to you about 15:47:04 Max has to bore water a breakthrough tax attack matter and 15:47:07 neutrinos. 15:47:12 We have started to form a collaboration with the institutions 15:47:15 you see on the upper right. 15:47:17 White is metastable water? 15:47:19 You think of super heating or super cooling, 15:47:21 we are focusing on super cooling, 15:47:24 which has never been used in HDP 15:47:26 . 15:47:28 The idea here is to establish a new technology 15:47:32 that can be used to drive discovery in the 21st-century like 15:47:36 the bubble chamber did 15:47:39 a long time ago. 15:47:40 In our prototype we have looked at 15:47:42 supercooled water 15:47:44 and we call this the snowball 15:47:49 chamber, analogous to the bubble chamber and the cloud chamber, 15:47:52 liquid to solid 15:47:54 transition and the technology is scalable for modularity. 15:47:58 We consider it ideal for low mass dark matter 15:48:01 due to several advantages I will get into now. 15:48:08 Water has hydrogen and oxygen and if you have the ability to 15:48:11 distinguish between them, 15:48:12 that will lead to good signal background discrimination. 15:48:14 We also show on the right sensitivity 15:48:17 to the spin independent 15:48:19 proton interactions. 15:48:22 In existing literature for supercooled water 15:48:25 and atmospheric science and chemistry 15:48:29 we find that the highest threshold reported, worst case, 15:48:32 is of water 15:48:33 tens of AV. 15:48:37 That should enable incredibly low mass dark matter sensitivity 15:48:41 and because we are dealing with individual protons with the hydrogen, 15:48:46 atoms, this unprecedented sensitivity 15:48:47 , 15:48:53 it should be possible to have the neutrino floor not being a serious 15:48:57 issue. 15:48:57 The neutrino floor would be lower for the snowball chamber. 15:49:00 The other potential here is nuclear recall 15:49:04 directionality from a gas detector, 15:49:06 together 15:49:07 with the bulk target 15:49:09 you get from a liquid 15:49:11 detector. 15:49:12 We are currently gathering 15:49:13 preliminary evidence of this 15:49:18 and the idea is this directionality comes from the intense hydrogen 15:49:21 bonding that is present in water. 15:49:23 At the left you see our preliminary 15:49:28 evidence that water is sensitive to nuclear recoils, which has never been 15:49:32 demonstrated before for super calling 15:49:33 cooling 15:49:35 . 15:49:38 In the future in order to precisely calibrate 15:49:41 the energy threshold we need to go to a place like 15:49:44 a tunnel to calibrate 15:49:45 but 15:49:49 in California it is indicative of at least one KV threshold 15:49:53 but large uncertainty. 15:49:55 We can look at the different images and how snowballs form 15:49:58 in order to be able to stink to 15:50:02 distinguish between backgrounds and non-dark background 15:50:06 and hybrid detectors like 15:50:07 water 15:50:11 (inaudible) detectors. 15:50:12 15:50:13 >> 15:50:14 Thank you, 15:50:17 we will go on to our next speaker, 15:50:23 who will talk about 15:50:24 a deci Hz 15:50:29 gravitational wave lunar Observatory for cosmology. 15:50:31 15:50:31 >> 15:50:34 Thank you to the organizers for the 15:50:36 invitation. 15:50:37 I am at Vanderbilt 15:50:39 University and a member of the 15:50:41 (inaudible) collaboration 15:50:42 . 15:50:47 I will be sharing this idea of a next-generation gravitational wave 15:50:50 experiment 15:50:53 that has great synergy with the scientific goals we are discussing 15:50:56 at Snowmass, the possibility of a joint 15:50:58 OAE. 15:50:59 As mentioned by 15:51:02 the exciting talk this morning, 15:51:05 what is the next experiment 15:51:06 after 15:51:13 While we have the concept idea of extending 15:51:16 a lie go like 15:51:21 detector, there is a fundamental limitation on earth due to seismic 15:51:24 noise, 15:51:25 we cannot go below 5 Hz with a conventional design. 15:51:28 With space missions we can go to Millie hertz, 15:51:31 but the one- 15:51:33 point one range, this is a sweet 15:51:35 frequency spot 15:51:38 for the most powerful sources in the universe and our 15:51:43 crucial for understanding primordial black holes and duck 15:51:46 Matic candidates. 15:51:47 This makes the case for 15:51:48 building a detector on the moon. 15:51:50 One of the major developments has been NASA's 15:51:56 Artemis program, the program released last month by NASA has 15:51:59 accelerated the process of sounding 15:52:01 sending to astronauts by 2024 15:52:03 with payloads. 15:52:08 One of the strategies for Artemis is to observe the universe from 15:52:12 a unique 15:52:14 location in the natural vacuum on the surface of the moon, the wider 15:52:18 seismic activity and no environmental effects make 15:52:20 the moon 15:52:23 the natural location and using a conventional design 15:52:27 with existing projects, a detector on the moon 15:52:29 can achieve much if not 15:52:31 all of the sites we have explored 15:52:33 . 15:52:38 In the plot on the left, that is the design of what a gravitational 15:52:42 wave detector on the Moon's surface would look like. 15:52:44 The plot on the right is essentially the science case, the outermost 15:52:48 circle 15:52:48 is microwave background and different shades are how far 15:52:51 in the universe the experiment can survey 15:52:55 . 15:52:55 The conventional sources of gravitational waves 15:52:58 we already know exist can be served up to 15:53:01 70% of the observable volume, 15:53:04 this makes it a further reach than any other experiment 15:53:07 . 15:53:10 The frequency sensitivity is ideal for type I supernova 15:53:14 , we can temporarily constrain 15:53:18 the silence in directions five and 10, dark matter candidates 15:53:21 if they exist, we can 15:53:27 survey up to 30% of the entire universe and all this will 15:53:31 complement the Largo detector on earth as well as telescopes 15:53:34 allowing multi-mesh and Joe 15:53:35 observations 15:53:37 . 15:53:40 Similar has been submitted to NASA 15:53:44 and if you are interested in this effort, please reach out. 15:53:47 Thank you. 15:53:48 >> 15:53:48 Thank you. 15:53:49 The next speaker will be 15:53:52 talking about 15:53:56 testing as IDM 15:54:00 with realistic galaxy formation simulations. 15:54:02 15:54:02 >> 15:54:06 Hello, everybody, thanks for the Emmett 15:54:08 invitation. 15:54:11 Today 15:54:13 I want to talk with you and share my excitement 15:54:17 about how we can use simulations of dwarf galaxies, 15:54:22 galaxy smaller than the Milky Way as a tool to constrain dark matter 15:54:26 with the 15:54:26 various telescopes 15:54:30 poised to launch in the next 10 years we are entering an exciting 15:54:34 time where constraints on dark matter from all scales 15:54:37 will become available. 15:54:38 My work looks toward that future. 15:54:44 Now is the prime time to use cosmological galaxy information 15:54:47 simulation 15:54:48 to predict which observables dose Observatory should be looking for 15:54:51 and how to interpret them. 15:54:53 That said the project I would like to highlight, 15:54:57 being conducted with my collaborators listed on the slide, 15:55:00 and I will draw your attention 15:55:02 to 15:55:07 1 of them, we will answer the following question – can dwarf galaxy 15:55:11 formation simulations predict an observable 15:55:13 that favors one dark matter model? 15:55:16 In astronomy CDM 15:55:17 is the most favored 15:55:19 paradigm but I will start with the assumption 15:55:23 that there is no good reason to favor cold dark matter 15:55:26 when you consider baryons. 15:55:28 Baryons as 15:55:31 an astronomer after many pesky galaxies that live in 15:55:33 dark matter halides, 15:55:35 halos, 15:55:38 in particular 15:55:41 I am looking at small dwarf galaxies 15:55:43 and modeling 15:55:44 those baryons. 15:55:47 What I'm showing you on this slide, 15:55:49 when you consider 15:55:52 different dark matter paradigms from CDM 15:55:53 to warm dark matter 15:55:59 and you include those pesky galaxies, there is no way to 15:56:03 differentiate between those models. 15:56:04 All of them solve these challenges I have listed. 15:56:07 The models become virtual belief 15:56:10 virtually indistinguishable, 15:56:14 I aim to leverage state-of-the-art simulations that push the agitations 15:56:19 and you have what is computationally possible. 15:56:22 To look for the smoking gun that distinguishes in particular 15:56:25 as IBM from CDM 15:56:27 in the presence of 15:56:30 galaxies. 15:56:31 In particular the observables we are looking for 15:56:33 are listed on the slide and these are directly testable 15:56:37 by the great observatories I mentioned previously. 15:56:42 And with this we hope to guide future observations and provide a 15:56:46 theoretical background 15:56:46 for strong new constraints on dark matter soon to come from 15:56:49 low dwarf galaxy astrophysics. 15:56:51 Thank you. 15:56:53 15:56:53 >> 15:56:55 Thanks so much. 15:57:01 Our next speaker will be telling us about superconducting qubit advantage 15:57:04 for dark matter, squad. 15:57:06 15:57:06 >> 15:57:09 I am a graduate 15:57:14 at the University of Chicago. 15:57:16 Today I am going to talk about the search for low mass 15:57:20 dark matter candidates, these candidates include axion's and 15:57:23 photons would potentially convert 15:57:26 into a quantile flight of the same energy as the dark matter mass 15:57:29 and we attempt 15:57:31 to capture the light in a microwave clarity and read it out. 15:57:36 To enable the dark matter such as in the mass or frequency range of 15:57:40 3-30 GHz, we present 15:57:42 to techniques that utilize superconducting 15:57:43 quantum 15:57:46 bit first, reduce the background count 15:57:48 by a factor of 1300 15:57:53 as compared to the current technology, and second, boost the 15:57:55 signal rate by at least a factor of 10 using 15:57:58 stimulating 15:57:59 ... 15:58:02 To sense the electric field of the 15:58:04 dark matter 15:58:06 , and this is a quantum non-demolition 15:58:09 interaction, meaning the photon is not observed 15:58:11 during the measurement 15:58:12 and this allows us 15:58:14 to make multiple measurements of the same photon 15:58:17 to mitigate the effect of a readout 15:58:19 error 15:58:19 in any usual measurement. 15:58:21 In the top left figure we see that 15:58:25 with more measurements the availability of erroneous readout 15:58:28 is suppressed exponentially. 15:58:34 This results in a background rate 1300 times smaller than the 15:58:37 conventional readout strategies. 15:58:39 With this improved sensitivity we can take photon search and exclude 15:58:43 the 15:58:46 region of parameter space as shown on the bottom left whether Y 15:58:50 accesses the hidden photon mixing angle and the X axis is the 15:58:53 dark matter. 15:58:54 It's mass 15:58:56 . 15:58:56 Only eight seconds of integration time, 15:58:58 enabled by the cubit 15:59:00 -based sensing technique we have developed. 15:59:04 Moving onto the signal part of we start the cavity in a non- 15:59:08 space, we can enhance the capability of the dark 15:59:11 cavity 15:59:11 matter in the cavity. 15:59:13 We harness the non- 15:59:14 linearity of the cubit 15:59:17 and use machine learning tools to generate 15:59:20 optimal control pulses while some Italian sleep 15:59:25 simultaneously including the 15:59:27 state in the cavity. 15:59:28 As you can see on the right, 15:59:31 eight 15:59:32 stages 15:59:35 , and with future dark matter surges we can 15:59:39 include and rates greater than 10. 15:59:44 We are starting to see this enhancement initializing the cavity 15:59:47 close to 0 15:59:47 versus an equal to one state. 15:59:54 A cubit technology makes future dark matter surges possible by 15:59:57 enhancing the dark matter signal and reducing the detected noise. 16:00:01 This work is an example of the type of cross disciplinary research we are 16:00:06 fostering it Snowmass planning exercises and we look forward to 16:00:09 working with everyone here. 16:00:10 Thank you, and for more information, 16:00:12 it can be accessed by the QR code on the top right. 16:00:16 16:00:16 >> Thank you. 16:00:21 Our next speaker will be talking about the initiative for dark matter 16:00:25 in Europe and beyond. 16:00:26 >> 16:00:27 Thank you for inviting me here. 16:00:30 mass function and multiple scattering, and 16:00:32 they will point back to a common origin. 16:00:36 Here I'm talking about something slightly 16:00:38 different, still about dark matter. 16:00:40 It's initiative for dark matter that has started 16:00:48 but also means to go beyond because of 16:00:51 course, dark matter has no boundaries. 16:00:53 I think we all agree the best region defined dark 16:00:57 matter is the one you can use more techniques 16:01:00 and ideas, and explore it. 16:01:02 And it's amazing how many different things 16:01:04 we've seen also this community also the whole 16:01:07 mass that there are so many possibilities here. 16:01:10 With this in mind, the ones on the top right, 16:01:13 coming from different fields, so 16:01:15 astrophysics, accelerator 16:01:16 for now, 16:01:16 met at the 16:01:18 conference that was set up 16:01:22 by the accelerator, nuclear and particle 16:01:24 physics communities 16:01:25 in Europe. 16:01:26 And 16:01:33 we realized we were ask each other questions 16:01:36 will kind of assumptions are you using, how are 16:01:40 you using this technique and what is your 16:01:42 statistical and obviously how does your 16:01:44 finding affect my findings ? 16:01:46 we realized there was no common platform for this 16:01:49 kind of discussion or resources. 16:01:51 On issues again, we started developing it as 16:01:54 initiative. 16:01:54 This is how the initiative was formed. 16:01:57 We have 3 16:02:01 connected objectives, the first one is to 16:02:03 collect dark matter resources in our own 16:02:06 matter, one page contribution from the 16:02:08 community that will have dark matter resources. 16:02:10 We also want to facilitate 16:02:13 that participate in cross community 16:02:14 collaborations 16:02:15 and it means we are 16:02:19 preventing existing community efforts is 16:02:20 that we want to try and facilitate 16:02:23 them talking to each other. 16:02:25 And then finally something we will hear 16:02:30 on the last day of the community planning team 16:02:34 to help develop a story, a common dark matter 16:02:37 story for different audiences. 16:02:38 It's often one gets one side of the story but 16:02:42 how can we reach, for example, the general 16:02:44 public and give them the breath of perspective 16:02:47 that dark matter 16:02:48 probes were off. 16:02:54 I DMU is still taking shape, it is something 16:02:57 that has started rolling in a couple of months 16:03:00 ago with the help of a task force that was put 16:03:04 in place but, 16:03:05 the ground state is that we want to be a 16:03:08 service to the community with an organization. 16:03:11 The first step would be reaching out to the 16:03:14 communities 16:03:18 towards a kickoff meeting in Spring 2021. 16:03:20 If you want to see how this develops, you can 16:03:24 go to the link at the top left and then sign 16:03:28 up and sign up about 300 people 16:03:30 that when this kickoff meeting happens. 16:03:32 Thank you very much for your attention. 16:03:35 >>Thank you for that talk. 16:03:37 That was the last talk in the session, 16:03:40 I'd like to thank all of the speakers 16:03:44 for what I think was an extraordinarily 16:03:47 interesting 16:03:48 session, I really think 16:03:49 some 16:03:55 of the comments by previous speakers of 16:03:58 what the community should do, they should be 16:04:01 relaxed about it because I think these 16:04:03 things 16:04:04 word demonstrate in the session. 16:04:05 I want to remind you, 16:04:09 the audience you can engage with the speakers 16:04:12 who I hope will stay around 16:04:15 and discuss things on Slack with them, before 16:04:18 we close the session, we will organize 16:04:20 the committee probably has some announcements 16:04:22 and I will turn it over to then to close the