Physics Opportunities in the Near DUNE Detector hall: PONDD

3 Dec 2018, 09:00 → 7 Dec 2018, 17:00 US/Central

Fermilab Wilson Hall: 1West M,F CuriaII T,W,Th

Update (April 16, 2019): Slides from PONDD 2018 are available on Zenodo --
https://zenodo.org/communities/pondd-2018/?page=1&size=20

Please cite presentations from this page in the following way:
Firstname Lastname, "Title", Talk at Physics Opportunities in the Near DUNE Detector Hall (PONDD), 3-7 December, 2019, Batavia, IL, USA, DOI: 10.5281/zenodo.XXXXXXX, URL: https://doi.org/10.5281/zenodo.XXXXXXX

 

"Physics Opportunities in the Near DUNE Detector Hall" is jointly organized by the Fermilab Theory Group and the CERN Theory Neutrino Platform to discuss physics opportunities in the DUNE Near Detector Hall at Fermilab.

The focus is on new physics, including dark matter, sterile neutrinos, new neutrino interactions, neutrino mass models, and leptogenesis as well as the more traditional neutrino-nucleus scattering  cross sections and oscillation physics.

With single phase ProtoDUNE running and DUNE and T2HK in the planning states, it is crucial to strengthen the ties between the theoretical and experimental communities in order to best leverage the current and upcoming neutrino experiments.

A Zoom connection was available for the talks. 

This workshop is supported by the Fermilab Theory Group and Fermilab Neutrino Physics Center.

Local organizers: Alan Bross, Kevin Kelly, Pedro Machado, Stephen Parke, Jessica Turner.

Dinner venue PONDD-dinner.pdf

Slides Final_Participants_List.pdf

Monday, 3 December

Welcome & Introduction

DUNE Near Detector Hall

1 The DUNE Near Detector Complex

Speaker: Prof. Alan Bross (Fermilab)

Slides DNDCo.pdf

2 Near Detector Needs for Long-Baseline Physics

The primary purpose of the DUNE near detector is to constrain uncertainties relevant for the long baseline oscillation program, especially uncertainties on the flux prediction, neutrino cross section modeling, and neutrino energy reconstruction. I will present an overview of the near detector concept, with particular focus on the long-baseline physics motivation for the design.

Speaker: Dr Chris Marshall (Lawrence Berkeley National Laboratory)

Slides ChrisMarshall_PONDD_dunend4lbl.pdf

10:30 Coffee Break

Near Detector Physics

3 Liquid Argon Near Detector for DUNE

Speaker: Dr James Sinclair (University of Bern)

Slides Sinclair_PONDD_ArgonCube.pdf

4 High-Pressure Gas TPC for DUNE Near Detector

The DUNE near detector will consist of several components, one of which is the high-pressure gaseous argon time projection chamber, HPgTPC. As a fined-grained tracker with a low density and low detection threshold, it is well-suited to measure one of the most crucial sources of systematic uncertainty for neutrino oscillation measurements: nuclear effects in argon at the neutrino interaction vertex. In this talk, an overview of the HPgTPC design and its expected physics performance will be presented.

Speaker: Tanaz Mohayai (Fermilab)

Slides 2018_12_03_PONDD_tmohayai.pdf

5 3DST Near Detector for DUNE

Speaker: Prof. Clark McGrew (Stony Brook University)

Slides 3dst-mcgrew-181203-final.pdf

Neutrino Cross Sections I

6 DUNE PRISM

Speaker: Dr Cristovao Vilela (Stony Brook University)

Slides cvilela_PONDD2018_DUNE-PRISM.pdf

7 Elementary Amplitudes with Near Detectors

Speaker: Richard Hill

Slides Hill_PONDD.pdf

8 Quantum Monte Carlo Calculations of Neutrino-Nucleus Interactions

Speaker: Dr Alessandro Lovato (Trento Institute for Fundamental Physics & Argonne National Laboratory)

Slides lovato_PONDD_18.pdf

15:00 Coffee Break

New Detector Techniques

9 Measuring (anti)neutrino-hydrogen interactions in DUNE ND

We discuss a practical way to measure (anti)neutrino-hydrogen interactions by subtracting measurements on a dedicated graphite (pure C) target from those on a dedicated polypropylene (CH2) target within a highly segmented detector. Combining the measurements obtained from hydrogen and nuclear targets offers direct measurements/constraints of nuclear effects, which are an important source of systematic uncertainties in DUNE. (Anti)neutrino-hydrogen interactions also allow the determination of (anti)neutrino fluxes with unprecedented precision.

Speaker: Hongyue Duyang

Slides stt_hydrogen_pondd_v4.pdf

10 Enhancing the DUNE ND Physics Potential

We discuss the physics requirements of the DUNE ND and possible ways to constrain the systematic uncertainties for the oscillation analysis. We also discuss a rich program of precision measurements of fundamental interactions and of the structure of nucleon and nuclei.

Speaker: Dr Roberto Petti (University of South Carolina)

Slides PONDD18-Petti.pdf

11 Neutrino Interactions with Nuclei

The interactions of neutrinos with nuclei are per se interesting because they contain information on the axial response of nuclear many-body systems. They are also of practical importance for running or planned long baseline experiments, such as T2K, NOvA and DUNE. All these experiments require a reconstruction of the incoming neutrino energy for the extraction of neutrino mixing parameters, mass hierarchies and CP-violating phases. This energy reconstruction is affected by both the primary, initial interaction of the incoming neutrino with the nucleus as well as by the final state interactions of hadrons produced in the initial step. The accuracy with which the essential physics parameters can be extracted then depends directly on the accuracy of the reconstruction methods and procedures (generators) used. In this talk I will discuss results obtained with a nuclear-theory based generator, GiBUU, which aims at a consistent description of initial and final state interactions; the latter are described by quantum-kinetic transport theory. Predictions for processes in the DUNE near detector will also be shown.

Speaker: Prof. Ulrich Mosel (Universitaet Giessen)

Slides PONDD_Mosel.pdf

Welcome Reception: Atrium

Tuesday, 4 December

EMPHATIC/Light Dark Sectors I

12 EMPHATIC: A New Hadron Production Experiment for Improved Neutrino Flux Predictions

In the future LBNF beamline, the systematic uncertainty of the neutrino flux at the proposed DUNE Near Detector is currently approximately 10%, which will be a limiting systematic for most detector-only measurements. The neutrino flux uncertainty is dominated by uncertainties in hadron production cross sections. We propose a new, compact experiment to measure total and double-differential hadron production cross sections across a range of relevant beam energies, beam particle types and nuclear targets. These measurements will reduce the neutrino flux uncertainty to better than 5%.

Speaker: Dr Jonathan Paley (Fermilab)

Slides 2018_12_04-PONDD.pdf

13 Boosted Dark Matter at DUNE

Speaker: Joshua Berger (University of Wisconsin-Madison)

Slides BoostedDarkMatterPOND2.pdf

14 Lepton-Number-Charged Scalar and Neutrino Beamstrahlung

Baryon number minus lepton number — B–L — appears to be a good symmetry of Nature. If it turns out that B–L is, in fact, a fundamental symmetry, then nonzero neutrino masses must be Dirac in character, but there are plenty of opportunities to discover new physics related to B–L conservation. In this talk, I present recent results (arXiv:1802.00009) concerning a new, Standard-Model-singlet scalar with nonzero B–L charge that couples to (anti)neutrinos like a Majoron without giving neutrinos a Majorana mass. I will discuss constraints on this scenario, including those from accelerator neutrino experiments like DUNE, and will briefly mention other phenomena related to the potential existence of this new scalar.

Speaker: Jeffrey Berryman (Northwestern University)

Slides Berryman_PONDD.pdf

10:30 Coffee Break

Light Dark Matter I

15 Search for sub-GeV dark matter at DUNE Near Detector

Various cosmological and astrophysical observations strongly support the existence of the Dark Matter (DM) with an abundance of ≈ 27%. All the astrophysical evidences of dark matter are through its gravitational interactions. A central question is whether DM particles experience interactions with ordinary matter beyond gravity. Recent theoretical work has highlighted the motivations for sub-GeV dark matter candidates that interact with ordinary matter through new light mediator particles, called "vector portal" model. Such sub-GeV (or light) dark matter particles are difficult to probe using traditional methods of dark matter detection, but can be copiously produced in Long Baseline Neutrino Facility (LBNF). The DM particles can then be detected through neutral-current like interactions either with electrons or nucleons in the detector. Since the signature of DM events looks just like those of the neutrinos, the neutrino beam provides the major source of background for the DM signal. Several ways have been proposed to suppress neutrino backgrounds by using the unique characteristics of the DM beam. In this talk, we will discuss the possibility of searching DM particles, produced in high intensity proton beams at LBNF using the DUNE Near detector, which will be competitive to results from other experiments.

Speaker: Dr Animesh Chatterjee (University of Texas at Arlington)

Slides sub-GeVDM_Animesh.pdf

16 Fixed-Target Minicharge Searches: FerMINI and Neutrino Experiments

We propose a dedicated search for minicharged particles (MCP) and light dark matter at Fermilab utilizing proton-fixed target facilities. First, we present the constraints and sensitivity projections considering the MCP scattering with the electrons in the neutrino detectors, including SBND, MiniBooBE, MicroBooNE, DUNE, and SHiP. Then we present a new proposal, FerMINI, to place a new detector to further improve the sensitivity. The potential sites include MINOS hall downstream of NuMI beamline and the proposed DUNE near detector hall downstream of the LBNF beamline. The setup could drastically improve the sensitivity of MCPs in the MeV to 5 GeV mass regime and will be discussed in detail in this talk. I will also talk about the probes of other weakly interacting particles, including light scalars, dark photons, and dipole portal HNL (an explanation of MiniBooNE anomaly) if time allows. This talk is based on: [1] arXiv:1806.03310, PRL 2018 [2] arXiv:1803.03262, PRD 2018 [3] arXiv:1706.00424, PLB 2018

Speaker: Yu-Dai Tsai

Slides FerMINI_Yu-Dai_Tsai.pdf

17 Search for Inelastic Boosted Dark Matter in DUNE Far Detector

In this talk, I will discuss on the search for inelastic boosted dark matter (iBDM) in DUNE. In such a class of model, a light DM which is boosted enough to pass the energy threshold can come from dense dark matter region in the universe, such as the galactic center, the sun, dwarf spheroidal galaxies, showing unique signal features easily separable from potential backgrounds. I will talk about the detection prospects of iBDM in DUNE and show its unique coverage of parameter space, compared to other reference experiments.

Speaker: Dr Seodong Shin (University of Chicago / Yonsei University)

Slides PONDD.pdf

Neutrino Oscillations

18 Neutrino Mass Models at DUNE

Speaker: Dr Bhupal Dev (University of Manchester/TUM)

Slides dev_pondd.pdf

19 Perturbative Expressions for Oscillations in Matter

Speaker: Peter Denton (Brookhaven National Laboratory)

Slides Denton_PONDD_Analytic_Perturbative_Probabilities.pdf

20 Compact perturbative expressions for oscillations with sterile neutrinos in matter

We extend a recent perturbative framework in standard model to the schemes with sterile neutrinos. In vacuum the framework will give strictly accurate oscillation probabilities. Moreover, it can remove degeneracies of the zeroth order eigenvalues so the perturbative expressions are valid for most baselines and neutrino energies. Numerical tests show that the perturbatively calculated probabilities are more precise than all current and future experimental uncertainties. Possible utilities of the perturbative expressions will also be discussed.

Speaker: Xining Zhang

Slides X_Zhang_PONDD_slides.pdf

15:30 Coffee Break

Neutrino Trident Production

21 Neutrino Tridents at Near Detectors

Speaker: Yuber F Perez-Gonzalez (Fermilab/Northwestern University)

Slides PONDD_2018_YFPG.pdf

22 BSM Contributions to Neutrino Trident Production

Speaker: Matheus Hostert

Slides M_Hostert_PONDD.pdf

Wednesday, 5 December

Light Dark Sectors II

23 Millicharged Particles in Liquid Argon Neutrino Experiments

Speaker: Roni Harnik (FNAL)

Slides ArgoNeut-Milli-PONDD.pdf

24 Dark Tridents at Off-Axis Neutrino Detectors

Speaker: Yue Zhang

Slides PONDD_2018.pdf

25 Severe Constraints on New Physics Explanations of the MiniBooNE Excess

Speaker: Dr Gordan Krnjaic (Fermilab)

Slides PONDD-Talk-MiniBooNE.pdf

10:30 Coffee Break

The MiniBooNE Low-Energy Excess

26 U(1)' Mediated Decays of Heavy Sterile Neutrinos in MiniBooNE

Speaker: Mr Mark Ross-Lonergan (IPPP Durham University)

Slides PONDD_markrosslonergan_moreMiniBooNE_BSM.pdf

27 Confronting Neutrino Mass Generation Mechanism with MiniBooNE Anomaly

Speaker: SUDIP JANA (OKLAHOMA STATE UNIVERSITY)

Slides Fermilab_Seminar.pdf

28 Complementary constraints to recent MiniBooNE Explanations

Speaker: Mr Carlos Arguelles Delgado (Pontificia Universidad Católica del Perú)

Slides PONDDTalk_CA_MH_YDT.pdf

Solar Neutrinos/Neutrino Scattering

29 DUNE as the Next-Generation Solar Neutrino Experiment

Speaker: Shirley Li (SLAC National Accelerator Laboratory)

Slides PONDD_Li.pdf

30 Spallation and neutron backgrounds in LAr Detectors

Speaker: Guanying Zhu

Slides 2018_POND2.pdf

31 Hartree-Fock & Continuum RPA Calculations of lepton-nucleus interactions, and recent Ar(e,e') measurements at Jlab

The quest of precision and new physics search at intensity frontier experiments relies greatly on the precision with which the neutrino interaction with target nucleus is understood. In this talk, I will present nuclear many body calculations within Hartree-Fock and continuum RPA approach for electro- and neutrino-nucleus scattering. The approach covers processes from threshold to giant-resonances to quasi elastic region. I will present their comparison with electron- and neutrino-nucleus cross section data. A qualitative and quantitative comparison of different RPA-based approaches will be presented. Furthermore, the differences between electron-neutrino and muon-neutrino cross sections will be briefly discussed. Finally, I will present the recent cross section results from Ar(e,e') experiment at Jefferson lab.

Speaker: Vishvas Pandey

Slides PONDD18_VPandey.pdf

15:30 Coffee Break

Fermilab Colloquium - "Exploring the Invisible" - Professor Renata Zukanovich Funchal

Abstract:
Invisible matter, matter that does not emit, absorb or reflect light, plays an important rôle in our understanding of the Universe. Neutrinos were the first invisible particles experimentally observed and are today the most well known. They helped us shape the Standard Model and may be a portal to what l lies beyond. In this colloquium I will explore some of their theoretical and phenomenological properties.

http://events.fnal.gov/colloquium/events/event/funchal-colloq-2018/

slides ExploringTheInvisible.pdf

Thursday, 6 December

Existing Constraints on Neutrino Oscillations

32 The Global Three-Neutrino Oscillation Picture

Speaker: Ivan Jesus Martinez Soler (Instituto de Fisica Teorica UAM-CSIC)

Slides Ivan_PONDD.pdf

33 Global Fits with Sterile Neutrinos and NSI

Speaker: Christoph Andreas Ternes (IFIC)

Slides PONDD-+sterile+nsi.pdf

10:30 Coffee Break

Utilizing DUNE's Liquid Argon Technology

34 Liquid Argon and Energy Reconstruction

Speaker: Alexander Friedland (SLAC)

Slides Friedland_Fermilab_Dec6_2018.pdf

35 Development of 3D Analysis Techniques

Speaker: Dr Kazuhiro Terao (SLAC National Accelerator Laboratory)

Slides Kazuo_PONDD.pdf

36 Pandora pattern recognition for LAr TPCs

Pattern recognition is an essential stage of the reconstruction of particle interactions in liquid argon time projection chamber (LArTPC) detectors. The novel multi-algorithm approach implemented in the Pandora software uses many tens of algorithms to gradually build up an image of the event, and has been used successfully for the reconstruction of neutrino interactions and cosmic ray muons in LArTPC experiments such as MicroBooNE.

Speaker: Dr Lorena Escudero (University of Cambridge)

Slides PONDD_PandoraPatRec_LorenaEscudero.pdf

Neutrino Seminar -- Gerda/LEGEND -- Matteo Agostini

http://npc.fnal.gov/neutrino-seminar-series/

Theory Seminar -- Lauren Pearce, Univeristy of Illinois

http://theory.fnal.gov/theoretical-physics-seminar/

15:30 Coffee Break

Neutrino Theory Network Discussion: Marcela Carena and Andre de Gouvea

Workshop Dinner

Friday, 7 December

New Physics Scenarios/Neutrino-Electron Scattering

37 Long-Lived Particles

Speaker: Albert De Roeck

Slides deroeck_POND2_v2.pdf

38 General Neutrino-Electron Interactions at the DUNE Near Detector

We consider the effect of general neutrino interactions (scalar, vector, pseudoscalar, axial vector and tensor) in neutrino-electron scattering at the DUNE near detector. Those interactions lead to characteristic deformations of the electron recoil spectrum and can be associated with heavy new physics. We show that for some cases energy scales up to 9 TeV are accessible after a 5 year run and that current bounds on interaction parameters can be improved by up to an order of magnitude. The full set of general interactions includes the usually considered neutrino-electron non-standard matter interactions, and the near detector will give limits comparable but complementary to the ones from the analysis of neutrino oscillations in the far detector.

Speaker: Ingolf Bischer

Slides Bischer-PONDD.pdf

39 Heavy Neutral Leptons at MicroBooNE

Speaker: Dr Yun-Tse Tsai (SLAC)

Slides PONDD_20181207.pdf

10:30 Coffee Break

Heavy Sterile Neutrinos

40 Decays of Heavy Majorana and Dirac Neutrinos

Speaker: Prof. Baha Balantekin (University of Wisconsin)

Slides Baha_PONDD.pdf

41 Heavy Neutrinos with NA62

Speaker: Jan Hajer

Slides Jan_Hajer_PONDD.pdf

42 Dipole to Heavy Neutral Leptons

Speaker: Ryan Plestid

Slides Plestid-PONDD-2018.pdf

DUNE Detector Capabilities

43 MeV-Scale Physics in Liquid Argon Time Projection Chambers using ArgoNeuT

Speaker: Ornella Palamara

Slides Palamara_PONDD.pdf

44 Single Photon-Electron Production in Liquid Argon

Speaker: Dr Xiao Luo (Yale University)

Slides PONDD.pdf

45 Ask a Meddling Theorist --- New Ideas for Liquid Argon Detectors

Speaker: Prof. John Beacom (Ohio State University)

Slides PONDD18.pdf

46 Farewell

Fermilab Joint Experimental Theoretical Seminar

Lepton flavor universality and violation at LHCb
Matthew Rudolph, Syracuse U.
http://theory.fnal.gov/events/event/results-from-lhcb-2/