CLAS Collaboration November 2025

Nov 18, 2025, 7:00 AM → Nov 21, 2025, 7:00 PM US/Eastern

Online Only

Bryan McKinnon (University of Glasgow)

Location: Online Only

Zoom link(passcode to follow)

Backup Zoom link (passcode to follow)

Tue, November 18

8:45 AM → 12:25 PM Day 1

Conveners: Bryan McKinnon (University of Glasgow), Stepan Stepanyan (Jefferson Lab)

8:45 AM Welcome and Introduction

Speaker: Bryan McKinnon (University of Glasgow)

8:55 AM Update from RG-A

Speaker: Latifa Elouadrhiri (Jefferson Lab)

9:20 AM Update from RG-B

Speaker: Silvia Niccolai (IJCLab Orsay)

RGB_CLAS_Meeting_11_2025.pdf

9:45 AM Update from RG-K

Speaker: Annalisa D'Angelo (University of Rome Tor Vergata and INFN Roma Tor Vergata)

RGK_CLAS_coll_meeting_11_2025.pdf

10:10 AM BONuS12 results for F2n/F2p

Request for an Analysis Review Committee

Speakers: Mohammad Hattawy (Old Dominion University), Sebastian Kuhn (Old Dominion University)

SEKTalkCCMnov25.pptx

10:35 AM Coffee

10:50 AM Pion-Proton Correlations in eA Scattering

Speaker: Sebouh Paul (UC Riverside)

CLAS CM November 2025_ Pion-Proton Correlations.pdf

11:10 AM Remarks on RGA inclusive data, older data sets, and models

Speaker: Gabriel Niculescu (JMU)

rga_comp_11_18_2025.pdf

11:35 AM A Measurement of the Coherent J/psi Electroproduction Cross Section off 4He (Proposal update)

Speakers: Sangbaek Lee (Temple University), Whitney Armstrong (Argonne National Laboratory)

Coherent_Jpsi_He4_ALERT_Nov2025_Collab_Meeting.pdf

12:00 PM CVT Tracking Updates

Speaker: Veronique Ziegler (Jefferson Lab)

CVTDevelColMeet.pdf

CVTDevelColMeet.pptx

Wed, November 19

8:30 AM → 12:40 PM Day 2: Nuclear Physics Working Group

Convener: Raphaël Dupré (IJCLab, Paris-Saclay U.)

8:45 AM Introduction

Speaker: Raphaël Dupré (IJCLab, Paris-Saclay U.)

IntroTalk.pdf

9:00 AM Run group D

Speaker: Mathieu Ouillon (Miss State U.)

RG-D_CLASCollaboration111925.pptx

9:20 AM Study of purity in the pion identification with and without LTCC

Speaker: Suman Shrestha (Temple University)

ss_nov.pdf

9:35 AM nTMDs in SIDIS analysis with RG-D

Speaker: Daniel Matamoros (IJCLab, Orsay)

CLAScolNOV25-nTMD.pptx-2.pdf

9:50 AM Run Group E

Speaker: Antonio Radic (UTFSM)

RG-E Experiment update 11-2025.pdf

10:10 AM Updates on RG-E inclusive analysis

Speaker: Ryan Milton (University of California, Riverside)

11_19_2025 CLAS collaboration meeting.pdf

10:25 AM Coffee

10:45 AM Run group M update

Speakers: Andrew Denniston (MIT), Lawrence Weinstein (Old Dominion University)

RGM_Update.pdf

11:05 AM CAA: Studying the in-medium nuclear effects on the nucleon gluon distribution with vector meson production

Speakers: Pierre Chatagnon (Jefferson Lab), Richard Tyson (Jefferson Lab)

VM_Nuclear_Target_Nov25.pdf

11:35 AM Run group L (ALERT)

Speaker: Noémie Pilleux (Argonne National Laboratory)

ALERT_report_collab_meeting_nov_2025.pdf

11:55 AM ATOF Calibration

Speaker: Zhiwan Xu (Argonne National Laboratory)

ATOF_Calibration_Status_Xu20251119.pdf

12:10 PM ALERT Simulation and Reconstruction

Speaker: Felix Touchte Codjo

ftc_collab_meeting_november_2025.pdf

12:25 PM Coherent φ meson electroproduction off Helium-4

Speaker: Akshit Mehta (New Mexico State University)

phi_meson.pdf

Thu, November 20

8:00 AM → 12:15 PM Day 3: Deep Processes Working Group

Convener: Maria Zurek (Argonne National Laboratory)

Zoom link (passcode to follow)

8:00 AM Introduction

Speaker: Maria Zurek (Argonne National Laboratory)

8:15 AM N->N* DVCS Analysis Update (RGA)

15 min + 5 min

Speaker: Dr Stefan Diehl (Justus Liebig University Giessen and University of Connecticut)

CLAS_collab_Nov_2025_NtoNstarDVCS.pdf

8:35 AM Sullivan DVCS (RGA)

15 min + 5 min

Speaker: Elouan Ferrand (CEA Saclay)

CLAScollaborationFerrandSullivanDVCS.pdf

8:55 AM Phi electroproduction cross-section measurement (RGA)

15 min + 5 min

Speaker: Bhawani Singh (Jefferson Lab)

Clas_collab_11202025_Bhawani.pdf

9:15 AM J/psi Polarisation Observables accessed through CLAS12 data (RGA, RGC)

15 min + 5 min

Speaker: Kayleigh Gates (University of York)

J_Psi_Polarisation Observables_CLAS12Talk_KGates.pdf

9:35 AM Single Target Spin Asymmetries from RGC for exclusive pi+ and pi-

15 min + 5 min

Speaker: Timothy Hayward (MIT)

Hayward_exclusive_meson_RGC.pdf

9:55 AM Deeply virtual pion production analysis in RG-A

15 min + 5 min

Speaker: Dr Igor Korover (MIT)

CLAS_november_Igor.pdf

10:15 AM Coffee

10:35 AM BAND Analysis Update

15 min + 5 min

Speaker: Jason Phelan (MIT)

BAND_update_clas_nov_2025.pdf

10:55 AM Update on the extraction of cos moments for kaon SIDIS (RGA)

15 min + 5 min

Speaker: Áron Kripkó (JLU Gießen)

CLAS_nov25_Kaoncos_Kripko.pdf

11:15 AM An update on pi0 SIDIS multiplicity analysis (RGA)

15 min + 5 min

Speaker: Valerii Klimenko (Argonne National Laboratory)

pi0_SIDIS_CM_Nov25.pdf

11:35 AM Measurements of the Cosφ and Cos2φ Moments of the Unpolarized SIDIS π+ Cross-section (RGA)

15 min + 5 min

Speaker: Richard Capobianco

Richard_Capobianco_November_CLAS_Collaboration.pdf

11:55 AM Progress on Inclusive DIS analysis of RG-C data

15 min + 5 min

Speaker: Derek Holmberg (William and Mary)

RGC_Inclusive_Update_Derek_Holmberg.pdf

1:00 PM → 2:30 PM Day 3: Membership Committee Meeting

Convener: Silvia Niccolai (IJCLab Orsay)

Zoom link (passcode to follow)

Fri, November 21

8:30 AM → 11:00 AM Day 4: Hadron Spectroscopy Working Group

Convener: Annalisa D'Angelo (University of Rome Tor Vergata and INFN Roma Tor Vergata)

8:30 AM Introduction

Speaker: Annalisa D'Angelo (University of Rome Tor Vergata and INFN Roma Tor Vergata)

8:40 AM Extending JANR approach for resonance electrocoupling extraction from N\pi data with the CLAS12

Speaker: Yannick Wunderlich (University of Bonn)

9:00 AM Electroproduction of Cascade Hyperons using CLAS12 (RG-K)

Speakers: Bianca Gualtieri (Florida International University), Bianca Gualtieri (Florida International University)

9:20 AM Lambda(1405) electroproduction

Speakers: Tatsuhiro Ishige (Tohoku University), Dr Tatsuhiro Ishige

9:40 AM ep Elastic scattering (RG-K)

Speaker: Yijie Wang (Massachusetts Institute of Technology)

Collaboration-3.pdf

10:00 AM Elucidating Strangeness with Electromagnetic Probes

Speaker: Asli Acar

10:20 AM Rho Photoproduction off of Protons in CLAS6 g12

Speaker: Brandon Tumeo (University of South Carolina)

10:40 AM RICH PID using graph networks

Speaker: Ryan Milton (University of California, Riverside)

11:00 AM → 2:00 PM Day 4

Convener: Bryan McKinnon (University of Glasgow)

11:00 AM Coffee

11:15 AM PRad Seminar

Speaker: Ashot Gasparian (NCA&T)

11:45 AM Update on the HPS Experiment and the Search for SIMPs in 2016 Data

Speaker: Mathew Graham (SLAC National Accelerator Laboratory)

12:15 PM N/rho scattering length

Speaker: Prof. Igor Strakovsky (The George Washington University)

CLAS_2025_Igor_Nov.pdf

12:40 PM Hall B Update

Speaker: Stepan Stepanyan (Jefferson Lab)

1:10 PM Speakers Committee Report

Speaker: Lucilla Lanza

1:20 PM Students and Postdocs Report

Speaker: Mathieu Ouillon (Miss State U.)

1:30 PM Membership Committee Report

Speaker: Silvia Niccolai (IJCLab Orsay)

1:40 PM Closeout

Speaker: Bryan McKinnon (University of Glasgow)