Program Advisory Committee (PAC) 53

Jul 21, 2025, 7:00 AM → Jul 25, 2025, 6:00 PM US/Eastern

Auditorium (CEBAF Center)

P. DiNezza, Laboratori Nazionali di Frascati

The presentations of proposals will be done in the CEBAF Center auditorium and also broadcast via zoom:

https://jlab-org.zoomgov.com/j/1609895908?pwd=IO1CM0QQDHZhRrpZEoIBTl1qyzh0ad.1

 

 

Mon, July 21

Executive Session: Organization

1 Welcome from the Lab Director

Speaker: Jens Dilling

Welcome.pptx

2 Introduction and Future Initiatives from the Director for Physics

45

Speaker: Cynthia Keppel (Jefferson Lab)

CEK_PAC53_intro.pptx

Keppel_Future_Initiatives.pptx

3 Experiment Schedule

Speaker: Dr Douglas Higinbotham (Jefferson Lab)

NPES-PAC53-Higinbotham.pptx

10:30 AM Coffee Break

4 Halls A/C Report

Speaker: Mark Jones (Jefferson Lab)

HallAC_PAC_July_2025.pdf

5 Hall D Report

Speaker: Eugene Chudakov (JLab)

talk_halld_pac53.pdf

6 Hall B Report

Speaker: Patrick Achenbach (Jefferson Lab)

PAC-HallBStatus-21-07-2025.pdf

7 Readiness Review Process

Speaker: Patrizia ROSSI (JEFFERSON LAB)

2025_ERR_PAC.pptx

8 Q&A Session

Speaker: PAC/JLab Leadership, JLab (Jefferson Lab)

12:00 PM Lunch with Division Management and Hall Leaders

Executive Session

9 PR12-25-001 Electro- and photo-production of muon pairs with μCLAS12

Speaker: Pierre Chatagnon (Jefferson Lab)

muCLAS12_PAC53.pdf

10 PR12-25-010 Double Deeply Virtual Compton Scattering with SoLIDμ spectrometer

Speaker: Zhiwen Zhao (Duke)

SoLID_DDVCS_20250721_nobackup.pdf

2:50 PM Coffee Break

11 PR12-25-004 A Measurement of the Coherent J/psi Electroproduction Cross Section off 4He

Speaker: Sangbaek Lee (Argonne National Laboratory)

Coherent_Jpsi_He4_ALERT_July2025_PAC53.pdf

12 PR12+25-011 Multi-Photon Effects in Inclusive and Semi-Inclusive Deep Inelastic Scattering

Speaker: Tyler Hague (JLab)

MultiPhoton_DIS_SIDIS_final.pdf

Executive Session

13 PR12+25-011 Multi-Photon Effects in Inclusive and Semi-Inclusive Deep Inelastic Scattering

Speaker: T. Hague, JLab (Jefferson Lab)

PAC Reception Meeting

Tue, July 22

Executive Session

8:30 AM Luch

14 PR12-25-007 Studying the Strangeness D-Term in Hall C via Exclusive Phi Electroproduction

Speaker: Henry Klest (Argonne National Laboratory)

Exclusive Phi in Hall C - PAC 53.pdf

15 PR12-25-008 First Measurement of the Proton Generalized Polarizabilities with a polarized electron beam in Virtual Compton Scattering

Speakers: Michael Paolone (New Mexico State University), Michael Paolone (New Mexico State University)

PAC53_VCS3p_paolone.pdf

10:30 AM Coffee Break

Executive Session

16 PR12-25-009 The Nucleon Axial-Vector Form Factor from the H(pol. e, n)nu_e Reaction

Speaker: Bogdan Wojtsekhowski (Jefferson Lab)

PR12-25-009.pdf

12:15 PM Lunch

Executive Session

17 PR12+25-006 Measurement of the Two-Photon Exchange Contribution in Electron-Neutron and Positron-Neutron Elastic Scattering

Speaker: Eric Fuchey (College of William and Mary)

EFuchey_PAC53_PR12+25-006.pdf

18 PR12+25-013 Energy Dependence of Dispersive effects in Unpolarized Inclusive Elastic Electron/Positron-Nucleus Scattering

Speakers: Paul Gueye (FRIB/MSU), Paul Gueye (Facility for Rare Isotope Beams/Michigan State University)

Gueye_PAC53_DispersiveEffects_final_v2.pptx

3:00 PM Coffee

Executive Session

Wed, July 23

Executive Session

19 PR12-25-002 Threshold J/psi Photoproduction as a Probe of Nuclear Gluon Structure

Speaker: Or Hen (MIT)

JPsi_PAC53_Final.pdf

20 PR12-25-003 Final-State Interactions Studies in Deuterium at Very High Missing Momenta

Speakers: Carlos Yero (ODU), Carlos Yero (Thomas Jefferson National Accelerator Facility)

pac53_yero_july2025.pdf

10:30 AM Coffee Break

Executive Session

21 PR12-25-005 GlueX with a 1-4 GeV Photon Beam

Speaker: Dr Mark Dalton (Jefferson Lab)

PAC53_GlueX_4GeV.pdf

12:15 PM Lunch

Executive Session

22 E12-11-007B/E12-10-006F Measurement of the Unpolarized SIDIS Cross Section from a 3He Target with SoLID

Speaker: Mark Jones (Jefferson Lab)

SIDIS_xs_July_2025_PAC_v3.pdf

23 PR12-25-012 High precision measurement of phi-nucleon cross section using a tensor polarized deuteron target

Speaker: Dr Mark Dalton (Jefferson Lab)

PAC53_GlueX_PhiNCrossSection.pdf

2:30 PM Coffee

Executive Session

24 Short-Range Correlation Report

Speaker: Nathaly Santiesteban (University of New Hampshire)

PAC53-SRC.pdf

25 C12-24-Run-Group-H CLAS12 Run-group H Experiments with a Transversity Polarized Target

Speaker: Marco Contalbrigo (INFN Ferrara)

rgh_250723.pdf

Executive Session

6:30 PM PAC Dinner

Thu, July 24

Executive Session

26 C12-11-111A Measurements of Single Spin Asymmetries in exclusive production of hadrons with CLAS run group H transversely polarized target

Speaker: Harut Avagyan (Jefferson Lab)

2025-PAC-July24.pptx

27 C12-24-002 Revealing the Transition Region of QCD with the Proton’s g2 Structure Function

Speaker: David Ruth (University of New Hampshire)

g2p2_PAC_2025_final.pptx

g2p2_PAC53_2025_Final.pdf

10:15 AM Break

Executive Session

28 J12-20-011 Update on E12-20-011: measurement ofthe high-energy part of the Gerasimov–Drell–Hearn sum rule

Speaker: Alexandre Deur (Thomas Jefferson National Accelerator Facility)

E12_20_011_PAC53.pdf

29 J12-19-001 Strange Hadron Spectroscopy with Secondary KL Beam in Hall D

Speaker: Moskov Amaryan (Old Dominion University)

Amaryan_jeopardy.pdf

12:15 PM Lunch

Executive Session

3:00 PM Break and Group Photo

Executive Session

30 C12-11-111A Measurements of Single Spin Asymmetries in exclusive production of hadrons with CLAS run group H transversely polarized target

Fri, July 25

Executive Session: Report Writing

12:00 PM Lunch

Executive Session: Report Writing

Open Session: Close-out Auditorium & Zoom

Closeout PAC53.pdf

2:30 PM Coffee, Snack and Discussion