EIC Hadron Cooling Workshop

7 Oct 2019, 08:00 → 8 Oct 2019, 18:00 US/Central

1 West (Wilson hall) (Fermilab)

Sergei Nagaitsev (FNAL), Young-Kee Kim Kim (The University of Chicago)

Oct 9, 2019: Workshop summary

Workshop group photo

Workshop topics:

1. Cooling and heating dynamics for EIC hadron beams (theory and modeling)

2. Electron cooling concepts for the EIC (magnetized and non-magnetized)

3. Microwave stochastic cooling for EIC ions

4. Advanced stochastic cooling concepts (CEC, OSC) for protons/ions

5. High brightness, low noise electron beams for cooling (e-guns, acceleration, transport, ERL)

This workshop is sponsored by UChicago, Fermilab and the Center for Bright Beams (http://cbb.cornell.edu/)

In coordination with the EIC Accelerator Collaboration meeting (www.anl.gov/EIC2019) at Argonne on Oct 9 - 11, 2019

The websites of previous EIC Accelerator Collaboration Meetings are located at:

2017: https://www.bnl.gov/eiccm2017/index.php

2018: https://www.jlab.org/conferences/eic-collab-fall18/

Functional Requirements Specification Guidelines FRS_Guidelines_sn.pdf

Note simple_formula_for_stoch_cooling.pdf

NP Community Panel Report on Electron Ion Collider https://science.osti.gov/-/media/np/pdf/Reports/Report_of_the_Community_Review_of_EIC_Accelerator_RD_for_the_Office_of_Nuclear_Physics_20170214.pdf?la=en&hash=1732605221E742A0A8410111195B7D6B937EAFB7

Monday, 7 October

08:00 → 08:45 Registration

08:45 → 09:00 Welcome

09:00 → 12:00 Session 1:Cooling and Heating Dynamics for EIC Hadron Beams (theory and modeling)

Conveners: Gang Wang (Brookhaven National Laboratory), Gennady Stupakov (SLAC), Yaroslav Derbenev (Thomas Jefferson National Accelerator Facility)

09:00 Introduction of Beam Cooling and Its Application to EIC

Speaker: Sergei Nagaitsev (FNAL)

Slides EIC_Cooling_Intro.pptx

09:20 Requirements and Challenges of Hadron Cooling for JLEIC Design

Speaker: Yuhong Zhang (Jefferson Lab)

Slides JLEIC-cooling_EICACM2019.pptx

09:45 Requirements and Challenges on Strong Hadron Cooling for BNL EIC Design

Speaker: Erdong Wang (Brookhaven National Laboratory)

Slides eRHIC_cooling_Erdong_final.pdf

10:15 Coffee Break

10:45 Optimization of HEEC of Hadron Beams in EIC

Speaker: Yaroslav Derbenev (Thomas Jefferson National Accelerator Facility)

Slides Dispersive_EC.pptx.4.pptx

11:10 Computation of Magnetized Dynamic Friction Force Based on a Reduced Binary Interaction Model

Speaker: Ilya Pogorelov (RadiaSoft, LLC)

Slides Pogorelov-MagnetizedFriction.pdf

11:35 Experiences on Hadron Beam Heating During LEREC Commissioning

Speaker: Sergey Seletskiy (BNL)

Slides coolingHeatingLEReC1.pdf

12:00 → 13:00 Lunch

13:00 → 16:25 Session 2: Electron Cooling Concepts for the EIC (magnetized and non-magnetized)

Conveners: Alexei Fedotov (BNL), Dr Valeri Lebedev (Fermilab), Yuhong Zhang (Jefferson Lab)

13:00 Development of JLEIC High Energy e-Cooler Based on ERL and Circulator Ring

Speaker: Dr Stephen Benson (Jefferson Lab)

Slides 19-10-08_EIC_Hadron_Cooling_wkshp_Benson.pptx

13:25 Conceptual Design of a 4.3 MeV Magnetized DC Cooler for JLEIC

Speaker: Max Bruker (Jefferson Lab)

Slides 20191007_bruker.pdf

13:50 Ring-Based Electron Cooler for eRHIC

Speaker: He Zhao (Brookhaven National Lab)

Slides RingBasedCoolerBNLEIC.pdf RingBasedCoolerBNLEIC.pptx

14:15 Duel Energy Storage Ring Based e-Cooler

Speaker: Fanglei Lin (Thomas Jefferson National Accelerator Facility)

pdf 2019Oct07_EICcoolingWS_Lin.pdf

15:10 Induction Linac Based Ring Cooler

Speaker: Dr Valeri Lebedev (Fermilab)

Slides RingBasedCooler-1.pdf

15:35 Cooling Commissioning Results and Challenges of RF-Based Electron Cooler LEReC

Speaker: Alexei Fedotov (BNL)

Slides LEReC_EIC_Cooling_2019.pdf

16:00 Cooling the Cooler: Optical Stochastic Cooling of Electrons for EIC

Speaker: Dr Alexander Zholents (ANL)

Slides OSC_electrons_Zholents_Oct7_2019.pptx

14:40 → 15:10 Coffee Break

16:30 → 17:00 Session 3: Microwave Stochastic Cooling for EIC Ions

Conveners: Michael Blaskiewicz (Brookhaven National Lab), Swapan Chattopadhyay (NIU/Fermilab)

16:30 Stochastic Cooling Considerations for the EIC at BNL

Speaker: Michael Blaskiewicz (Brookhaven National Lab)

Slides scool_fnal19.pptx

17:30 → 18:30 Reception

Tuesday, 8 October

09:00 → 12:00 Session 4: Advanced Stochastic Cooling Concepts (CEC, OSC) for Protons/Ions/Electrons

Conveners: Dr Alexander Zholents (ANL), Dr Jonathan Jarvis (Fermilab), Vladimir Litvinenko (Stony Brook University)

09:00 CeC Theory

Speaker: Gang Wang (Brookhaven National Laboratory)

Slides EIC_cooling_Workshop_2019_Gang_5.pdf EIC_cooling_Workshop_2019_Gang_5.pptx

09:25 3D CeC Simulations

Speaker: Gang Wang (Brookhaven National Laboratory)

09:50 CeC Experiment at RHIC

Speaker: Vladimir Litvinenko (Stony Brook University)

Slides CeC_experiment.pdf

10:15 Theoretical Studies of Microbunched Electron Cooling (MBEC) for Future Electron-Ion Colliders

Speaker: Gennady Stupakov (SLAC)

Slides EIC_hadron_cooling_workshop.pdf

10:40 Coffee Break

10:40 Group Photo

11:00 Optical Stochastic Cooling with an Arc-Chicane in CESR

Speaker: Mr Matthew Andorf

Slides EICHadronCoolingWorkshop19_Andorf.pdf

11:20 OSC of Electron Beams While Cooling Protons

Speaker: Dr Valeri Lebedev (Fermilab)

Slides OptStochCoolingForEcool.pdf

11:40 The Optical Stochastic Cooling Program at Fermilab's IOTA Ring

Speaker: Dr Jonathan Jarvis (Fermilab)

Slides 10-08-19_EIC_WS_OSC_jarvis.pptx

12:30 → 13:30 Lunch

13:30 → 16:30 Session 5: High Brightness, Low Noise Electron Beams for Cooling (e-guns, acceleration, transport, ERL)

Conveners: Erdong Wang (Brookhaven National Laboratory), Prof. Georg Hoffstaetter (Cornell University), Dr Stephen Benson (Jefferson Lab)

13:30 Overview of High Current Electron Sources for ERL Ecooler

Speaker: Erdong Wang (Brookhaven National Laboratory)

Slides EIC_source_overview.pdf

13:55 SRF Designs for Cooler ERLs

Speaker: Jiquan Guo (JLab)

Slides SRF_Cavity_Design_for_Cooler_ERLs.pptx

14:20 Production and Transport of Magnetized Beams

Speaker: Aaron Fetterman

Slides Production_and_transport_of_magnetized_beams.pptx

14:45 Coffee Break

15:15 Design Considerations for ERLs for Hadron Cooling

Speaker: Dr Stephen Benson (Jefferson Lab)

Slides 19-10-08_EIC_Hadron_Cooling_wkshp_Benson-wg5.pptx

15:40 Generation of Low-Noise High-Brightness Beams for EIC Cooler

Speaker: Yichao Jing (BNL)

Slides low_noise_high_brightness_ebeams.pdf

16:05 Low-Emittance Beam Acceleration in Induction Linac

Speaker: Dr Vyacheslav Yakovlev (FNAL)

Slides VYakovlev_EIC_2019.pptx

16:30 → 17:30 Summary and Discussion