High Energy Nuclear Physics With Spectator Tagging

Mar 9, 2015, 8:00 AM → Mar 11, 2015, 6:00 PM US/Eastern

OCNPS/PSB 1100 (Old Dominion University)

Abhay Deshpande (Stony Brook University), Charles Hyde (Old Dominion University), Christian Weiss (Jefferson Lab), Doug Higinbotham (JLAB), Misak Sargsian (Florida International University), Sebastian Kuhn (ODU)

High-energy electron scattering from light nuclei (deuteron, helium) is a powerful tool for exploring the partonic structure of the neutron, short-range NN correlations in nuclei, and the nuclear modification of quark/gluon densities. The reach and precision of such experiments can be greatly increased by detecting the low-momentum nucleons produced by the breakup of the nucleus in the high-energy process ("spectator tagging"). A rich program of tagged electron scattering is planned in fixed-target experiments with the JLab 12 GeV Upgrade, and in polarized colliding-beam experiments with a future Electron-Ion Collider (EIC). Such measurements pose unique challenges both for experiment (detection of low-momentum nucleons, energy/momentum resolution) and theory (nuclear structure calculations). The workshop brings together researchers in high-energy electron scattering, nucleon spin physics, nuclear theory, and accelerator physics, to review the status and prospects of spectator tagging and discuss the strategy for measurements with JLab 12 GeV and a future Electron Ion Collider.

Topics include:
*Neutron partonic structure with spectator tagging (deuteron, 3He)
*Short-range NN correlations and high-momentum configurations
*Tagging non-nucleonic degrees of freedom
*Nuclear modifications of quark/gluon densities
*Small-x coherent phenomena in tagging
*Tensor-polarized deuteron
*Light-front structure of light nuclei
*Spectator tagging with JLab 12 GeV (BoNuS, Halls A/C)
*Spectator tagging with EIC (forward detection, IR design, polarization)

Slides LunchMap.png

Monday, March 9

8:30 AM → 9:00 AM Arrival

OCNPS/PSB will be open
Coffee in PSB 1100

Convener: Prof. Charles Hyde (Old Dominion University)

9:00 AM → 9:35 AM Introduction

Convener: Prof. Charles Hyde (Old Dominion University)

9:00 AM Conference Welcome

Speakers: Prof. Charles Hyde (Old Dominion University), Prof. Charles Sukenik (Old Dominion University)

Slides WiFi.pptx

9:05 AM Workshop Introduction

Speaker: Christian Weiss (Jefferson Lab)

Slides CWeiss_tagging.pdf

9:35 AM → 12:00 PM Neutron Structure, PDFs, Bjorken Sum Rule - I

Physics of Tagging at Low-Momentum (Relative to the per-nucleon momentum of the target)

Convener: Sebastian Kuhn (ODU)

9:35 AM Neutron Structure with BONuS

Speaker: Svyatoslav Tkachenko (University of Virginia)

Slides workshopODU032014_Tkachenko.ppt

10:10 AM Questions, Discussion

10:20 AM Coffee

10:40 AM Tagged Structure Functions in Global PDF Analysis

Speaker: Wally Melnitchouk (Jefferson Lab)

Slides Melnitchouk.pdf

11:15 AM Questions, Discussion

11:25 AM Neutron Structure with Tagging at MEIC

Speaker: Dr Kijun Park (ODU)

Slides KijunPark.pdf

11:50 AM Questions, Discussion

12:00 PM → 1:30 PM Lunch

1:30 PM → 6:00 PM Nuclear Structure in High Energy Processes

Convener: Prof. Mark Strikman (Pennsylvania State University)

1:30 PM Light-Front Structure of Deuterium from NN Interactions

Speaker: Gerald Miller (University of Washington)

Slides MillerLFD.pdf

2:05 PM Questions, Discussion

2:15 PM Covariant Formulation of the Deuteron

Speaker: Prof. Wally Van Orden (Old Dominion University, Jefferson Lab)

Slides spectator_tagging_jwvo.pptx

2:50 PM Questions, Discussion

3:00 PM Coffee

3:30 PM Spin Structure with Polarized 3He

Speaker: Gordon Cates (UVA)

Slides old_dominion_2015_v2_edit.pdf

4:05 PM Questions, Discussion

4:15 PM Light-front structure of 3He

Speaker: Prof. Sergio Scopetta (Perugia University, INFN)

Slides odu_scopetta.pdf

4:50 PM Questions, Discussion

5:00 PM Effective Field Theory Methods for light nuclei

Speaker: Dr Saori Pastore

Slides pastoreODU15.pdf

5:35 PM Questions, Discussion

5:45 PM General Discussion

Tuesday, March 10

9:00 AM → 12:20 PM Short-Range Correlations, EMC Effect I

Convener: Prof. Misak Sargsian (Florida International University)

9:00 AM Short-Range Structure with Tagging

Speaker: Prof. Mark Strikman (Pennsylvania State University)

Slides norfolk.pdf

9:35 AM Questions, Discussison

9:45 AM Tagging Experiments at JLab at 6 & 12 GeV

Speaker: Lawrence Weinstein (Old Dominion University)

Slides DeepsTaggingWorkshop2015_weinstein.pdf

10:20 AM Questions, Discussion

10:30 AM Coffee

10:50 AM High-Momentum Nucleons

Speaker: Dr Nadia Fomin

Slides odu_fomin2015.pdf

11:25 AM Questions, Discussion

11:35 AM EMC Effect and Short Range Correlations

Speaker: Doug Higinbotham (JLAB)

Slides Higinbotham-Tagging-2015.pdf

12:10 PM Questions, Discussion

12:20 PM → 2:00 PM Lunch

2:00 PM → 3:20 PM Beyond Impulse Approximation I: Final State Interactions, Diffraction, Tensor Polarizatation

Convener: Christian Weiss (Jefferson Lab)

2:00 PM Tagging with Polarized Electrons and Polarized Nuclei

Speaker: Prof. Misak Sargsian

Slides Misak0310154.pdf

2:35 PM Questions, Discussion

2:45 PM The Tagged EMC Effect

Speaker: Barak Schmookler (MIT)

3:10 PM Questions, Discussion

3:20 PM → 6:15 PM Tagging Experiments I

Convener: Prof. Charles Hyde (Old Dominion University)

3:20 PM Forward Physics with Heavy Ions at LHC

Speaker: Dr Daniel Tapia Takaki (University of Kansas)

Slides ProtonTagging-Daniel-v1.pdf

3:55 PM Questions, Discussion

4:05 PM Coffee

4:25 PM eRHIC Interaction Region and Tagging

Speaker: Dr Brett PArker (Brookhaven National Laboratory)

Slides Parker_eRHIC_Interaction_Region.pptx

5:00 PM Questions, Discussion

5:10 PM MEIC Interaction Region and Tagging

Speaker: Dr Vasily Morozov (Jefferson Laboratory)

Slides Morozov_IR_and_tagging_10mar15.ppt

5:35 PM Questions

5:45 PM Deuteron Polarization in MEIC

Speaker: Dr Yaroslava Derbenev (Jefferson Laboratory)

Slides Morozov_deut_pol_10mar15.ppt

Wednesday, March 11

9:00 AM → 11:35 AM Beyond Impulse Approximation II

9:00 AM Tensor Polarized Deuterium Experiments

Speaker: Prof. Elena Long (University of New Hampshire)

Slides ELong-SpectatorTagging.pptx

9:35 AM Questions, Discussion

9:45 AM Final State Interactions in Tagging

Speaker: Dr Willem Cosyn

Slides Cosyn_ODU_tagging.pdf

10:20 AM Questions, Discussion

10:30 AM Coffee

10:50 AM Coherent Phenomena in Tagging

Speaker: Dr Vadim Guzey (Petersburg Nuclear Physics Institute)

Slides Guzey_Coherent_Tagged.pdf

11:25 AM Questions, Discussion

11:35 AM → 12:20 PM Neutron Structure, PDFs, and the Bjorken Sum Rule II

11:35 AM alpha_S from Bjorken Sum Rule

Speaker: Alexandre Deur (Jefferson Laboratory)

Slides Bjorken_alpha_EIC.pdf

12:10 PM Questions, Discussion

12:20 PM → 1:50 PM Lunch

1:50 PM → 3:55 PM Detector Concepts

1:50 PM Additional Tagging Experiments with CLAS12

Speaker: Dr Dupre Raphael

Slides TaggedEMC_Raphael.pdf

2:15 PM Questions

2:25 PM BONuS12 Detector Concepts

Speaker: Dr Jixie Zhang (UVA)

Slides RTPC12_Sim_Jixie.pdf

2:45 PM Questions

2:55 PM A Low-Mass Vertex Wire Chamber for BONuS12

Speaker: Dr Gabriel Charles (INP-Orsay)

Slides 2015-03_LERD_charles.pdf

3:10 PM Questions, Discussion

3:20 PM Nucleon fragmentation with 12 GeV

Speaker: Cynthia Keppel (Jefferson Lab)

Slides TDIS_ODU_Keppel.pdf

3:45 PM Questions, Discussion

3:55 PM → 4:15 PM Coffee

4:15 PM → 4:45 PM Workshop Conclusion

4:15 PM The Electron Ion Collider, Its Science and the Long Range Plan 2015

Speaker: Prof. Abhay Deshpande (Stony Brook University)

Slides EIC-LRP@ODU.pptx