CLAS Collaboration June/July 2026

Jun 29, 2026, 8:00 AM → Jul 2, 2026, 8:00 PM US/Eastern

F113 (JLab)

Annalisa D'Angelo (University of Rome Tor Vergata and INFN Roma Tor Vergata), Bryan McKinnon (University of Glasgow), Maria Zurek (Argonne National Laboratory), Nathan Baltzell (Jefferson Lab), Raphaël Dupré (IJCLab, Paris-Saclay U.), Stepan Stepanyan (Jefferson Lab)

Location: Jefferson Lab

The current Indico agenda is a high-level block agenda for planning purposes, and we will populate it with individual talks closer to the meeting.

Zoom links:

• Plenary: https://jlab-org.zoomgov.com/j/1658978010
• DPWG Parallel: https://jlab-org.zoomgov.com/j/1653025141
• Nuclear WG Parallel: https://jlab-org.zoomgov.com/j/1657325340
• HS WG Parallel: https://jlab-org.zoomgov.com/j/1655805043

Mon, June 29

8:30 AM → 12:40 PM Day 1 Plenary: General

8:30 AM Morning Coffee

8:55 AM Welcome

Speakers: Annalisa D'Angelo (University of Rome Tor Vergata and INFN Roma Tor Vergata), Bryan McKinnon (University of Glasgow), Maria Zurek (Argonne National Laboratory), Nathan Baltzell (Jefferson Lab), Raphaël Dupré (IJCLab, Paris-Saclay U.), Stepan Stepanyan (Jefferson Lab)

CLAS_CM_Summer2026 (2).pdf

9:00 AM News from the Lab

Speaker: Jens Dilling (Jefferson Lab)

CLAS Collaboration meeting_0629_2026.pptx

9:15 AM Introductions and Perspectives from New Laboratory Leadership

Fernanda Garcia, Associate Laboratory Director for CEBAF
Eric Brown, Deputy Laboratory Director for Science & Technology

Speakers: Eric Brown (TJNAF), Fernanda G. Garcia (Jefferson Lab)

9:20 AM Q&A

Speakers: Eric Brown (TJNAF), Fernanda G. Garcia (Jefferson Lab), Jens Dilling (Jefferson Lab)

9:30 AM News from Division Director Experimental Physics - Scheduling

20 min + 10 min

Speaker: Dr Douglas Higinbotham (Jefferson Lab)

CLAS-Meeting-29July2026.pptx

10:00 AM Hall B News

Speaker: Stepan Stepanyan (Jefferson Lab)

HallB_status_clas_coll_06292026.pdf

10:30 AM Coffee Break

11:00 AM Physics Highlight: PRAD-II

20 min + 10 min

Speaker: Ashot Gasparian

Gasparian_CLAS_Colab_Meeting_June_2026.pdf

11:30 AM HPS Update

20 min + 10 min

Speaker: Nathan Baltzell (Jefferson Lab)

baltzell-hps-290626.pdf

12:00 PM CALCOM Update and Pass 3 Plans

Speaker: Daniel Carman (JLab)

calcom-update-06292026.pdf

12:40 PM → 2:00 PM Day 1 Plenary: Day 1: Student and Postdoc Session

Convener: Mathieu Ouillon (Miss State U.)

12:40 PM → 2:00 PM Lunch Break

2:00 PM → 6:00 PM Day 1 Plenary: Software

Convener: Nathan Baltzell (Jefferson Lab)

2:00 PM Introduction

Speaker: Nathan Baltzell (Jefferson Lab)

baltzell-swwg-29062026.pdf

2:10 PM From DocDB to InvenionDB

Speaker: Anil Panta (Jefferson Lab)

clas12_InvenioRDM.pdf

2:30 PM RUCIO status at JLab

Speaker: Anil Panta (Jefferson Lab)

CLAS12_Rucio_Distributed_Data_Management.pdf

2:40 PM Alert Track Finding with GNNs

Speaker: Mathieu Ouillon (Miss State U.)

Presentation_CLASCollaboration_GNN_260629.pdf

Student_Meeting_June2026.pdf

3:00 PM Alert Pariticle Identification with MLPs

Speaker: Uditha Weerasinghe (Mississippi State University)

CLASMeeting_Summer2026-ALERT_AI_PID-Uditha.pdf

3:10 PM Clas12 simulations & GEMC

Speaker: Maurizio Ungaro (Jefferson Lab)

june-2026.pdf

3:30 PM Special Coffee Break

Veronique Ziegler Farewell

4:30 PM Collaboration Photo

vz_slides.pptx

4:40 PM Analysis Review Process Proposal and Discussion

Speaker: Whitney Armstrong (Argonne National Laboratory)

Analysis Review Process Proposal and Discussion-1.pdf

Tue, June 30

8:30 AM → 9:00 AM Day 2 Parallel: Morning Coffee (F113)

8:30 AM Morning Coffee (F113)

9:00 AM → 12:50 PM Day 2 Parallel: DPWG Parallel I

Convener: Maria Zurek (Argonne National Laboratory)

9:00 AM DPWG Intro

Speaker: Maria Zurek (Argonne National Laboratory)

DPWG-CM-06-26.pdf

9:15 AM Sullivan DVCS Update

20 min + 10 min

Speaker: Elouan Ferrand (CEA Saclay)

CollaborationMeetingSummerSullivan.pdf

9:45 AM Remarks from the EMMI Rapid Reaction Task Force meeting “Impact of Vector Mesons on the Studies of the 3D Structure of the Nucleon”"

20 min + 10 min

Speaker: Harut Avagyan (Jefferson Lab)

avakian-dpwg-june30.pdf

10:15 AM Student Flash Talk: RGB data to extract beam-spin asymmetries for coherent DVCS on deuterium

7 min + 3 min

Speaker: Marius Bousseau

presentation_updated.pdf

10:30 AM Coffee Break (F113)

11:00 AM DVCS Cross-Section Analysis with RGA

20 min + 10 min

Speaker: Timothy Hayward (MIT)

Hayward_DVCS_July_collaboration_meeting.pdf

11:30 AM Timelike Compton Scattering channel using RG-K data, with a focus on the 8.5 GeV run period

20 min + 10 min

Speaker: Maggie Kerr (Massachusetts Institute of Technology)

CLAS Collaboration Meeting RGK TCS.pdf

12:00 PM SIDIS pi+ azimuthal modulations with RGA: rho0 contribution

15 min + 5 min

Speaker: Richard Capobianco

Richard_Capobianco_Summer_2026_CLAS_Collaboration_Meeting.pdf

9:00 AM → 12:30 PM Day 2 Parallel: HS Parallel I

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

9:00 AM HSWG Intro

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

CLAS_collaboration_June_2026.pdf

9:15 AM KY Analysis Update for RG-K

Speaker: Daniel Carman (JLab)

rgk-csec-06302026.pdf

9:55 AM Hadron Spectroscopy and Structure with Partial Wave Analysis in Meson Electroproduction

Speaker: Derek Glazier (University of Glasgow)

CM_June26.pdf

10:30 AM Coffee Break (F113)

11:00 AM New results for J/Psi-N scattering length using GlueX, 007 and CLAS12 J/Psi photoproduction data

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

CLAS2026a_July_Igor.pdf

11:30 AM Studies for 2pi quasi-real photoproduction at MesonEX

Speaker: Marco Filippini

presentation_clas_cm_filippini.pdf

12:00 PM Student Flash Talk: Beam Spin Asymmetry studies for K Lambda(1520) electroproduction

Speaker: Chiara Ammendola

Chiara Ammendola Collab meet30june.1.pdf

9:00 AM → 12:30 PM Day 2 Parallel: Nuclear Parallel I

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

9:15 AM Nuclear Physics Working Group Introduction

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

IntroTalkNPWG.pdf

9:30 AM ALERT ATOF Calibration

Speaker: Zhiwan Xu (Argonne National Laboratory)

ATOF_Calibration_ZhiwanXu_06302026.pdf

10:00 AM ALERT AHDC tracking and alignment

Speaker: Felix Touchte Codjo (IJCLAB)

AHDC_tracking_alignment_ftc_clas_meeting_june30_2026.pdf

10:30 AM Coffee Break (F113)

11:00 AM RG-E Inclusive DIS

Speaker: Ryan Milton (University of California, Riverside)

RyanMilton_InclusiveDIS.pdf

11:30 AM RG-E Pion multiplicity ratios

Speaker: Antonio Radic (UTFSM)

RG-E Pion MR update 06_2026.pdf

12:00 PM RG-E Lambda analysis

Speaker: Uditha Weerasinghe (Mississippi State University)

CLASMeeting_Summer2026-RGE_Lambda-Uditha.pdf

12:30 PM → 2:00 PM Lunch Break

2:00 PM → 6:00 PM Day 2 Parallel: DPWG Parallel II

Convener: Maria Zurek (Argonne National Laboratory)

2:00 PM SIDIS pi0 multiplicities from RGA: photon efficiency studies

20 min + 10 min

Speaker: Valerii Klimenko (Argonne National Laboratory)

pi0_SIDIS_CM_June26_v2.pdf

2:30 PM Probing Proton GPDs through Exclusive ω(782) Electroproduction with RGA Data

20 min + 10 min

Speaker: Prof. Zhaozhong Shi (Lamar University)

Omega Meson Analysis 06-30-2026.pdf

3:00 PM Electroproduction of Phi Vector Meson with Proton Target from 6.5–10.6 GeV Beam Energies

20 min + 10 min

Speaker: Bhawani Singh (Jefferson Lab)

Collaboration_Meeting2026_phi_Bhawani.pdf

3:30 PM Coffee Break (F113)

4:00 PM Longitudinal Spin Structure of the Proton in Run Group C

20 min + 10 min

Speaker: Derek Holmberg (William and Mary)

ProtonSpinStructure_DerekHolmberg_CLAS_June_2026.pdf

4:30 PM Exclusive pi- production with RGC

20 min + 10 min

Speaker: Maggie Kerr (Massachusetts Institute of Technology)

CLAS Collaboration Meeting RGB:C pi-.pdf

5:00 PM Lambda polarization in K+Lambda electroproduction with RGC

15 min + 5 min

Speaker: Li XU (Brookhaven National Laboratory)

Lambda_Polarization_Jun30.pdf

5:20 PM Student Flash Talk: pho0 SSAs in epX

7 min + 3 min

Speaker: Blake Williams (Duquesne University)

Rho0_SSAs_epX.pdf

5:30 PM Student Flash Talk: Summer Internship Project: PID with ML

7 min + 3 min

Speaker: Cooper Bell (Duquesne University | ANL (Intern))

ML_Lightning_Talk.pdf

5:40 PM Student Flash Talk: Updates to the JLab Q-meter software

Speaker: Chhetra Lama (University of New Hampshire)

Updates_to_the_JLab_Q-Meter_Software.pdf

Updates_to_the_JLab_Q-Meter_Software.pptx

2:00 PM → 6:00 PM Day 2 Parallel: HS Parallel II

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

3:30 PM Coffee Break (F113)

2:00 PM → 6:00 PM Day 2 Parallel: Nuclear Parallel II

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

3:30 PM Coffee Break (F113)

Wed, July 1

8:30 AM → 1:00 PM Day 3 Plenary: Physics Working Groups

MemCommJune2026.pdf

8:30 AM Morning Coffee

9:00 AM Analysis Methods: Track quality studies in the boundary region between CD and FD

20 min + 10 min

Speaker: Aleksandr Bulgakov (University of Connecticut)

Bulgakov_ClasColab2026_V5.pdf

9:30 AM Physics Highlight: First multidimensional measurement of transverse momentum broadening of positive pions in nuclei at CLAS

20 min + 10 min

Speaker: Esteban Molina (UTFSM)

broadening-collab-meeting-2026-1.pdf

10:00 AM Run Group K Update

18 min + 7 min

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

RGK_CLAS_coll_meeting_06_2026.pdf

RGK_CLAS_coll_meeting_06_2026.pptx

10:25 AM Coffee Break

10:55 AM Physics Highlight: 20th Symmetry Webinar, Shedding Light on Emergence of the Nucleon Resonance Structure from QCD in Experiments with Electromagnetic Probes

15 min + 5 min

Speaker: Victor Mokeev (Thomas Jefferson National Accelerator Facility)

CLAS_Summer26_mokeev.pdf

CLAS_Summer26_mokeev.pptx

11:15 AM Run Group A Update

18 min + 7 min

Speaker: Latifa Elouadrhiri (Jefferson Lab)

RGA-Collaboration-07012026.pptx

11:40 AM Run Group B Update

18 min + 7 min

Speaker: Silvia Niccolai (IJCLab Orsay)

RGB_CLAS_Meeting_7_2026.pdf

12:05 PM Run Group L (ALERT) Update

18 min + 7 min

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

ALERTupdate.pdf

12:30 PM → 1:30 PM Day 3 Plenary: Membership Committee Meeting

Convener: Silvia Niccolai (IJCLab Orsay)

MemCommJune2026.pdf

12:30 PM → 2:00 PM Lunch Break

2:00 PM → 6:00 PM Day 3 Plenary: Physics Working Groups/PAC

MemCommJune2026.pdf

2:00 PM PAC dry run for Open Charm at JLab with the sPHENIX MAPS tracker

Dry Run + Collaboration Discussion

Speaker: Dr Sebouh Paul (Florida International University)

PAC Proposal_ Open Charm at JLab with the sPHENIX MAPS tracker (1).pdf

2:45 PM Run Group C Update

18 min + 7 min

Speaker: Sebastian Kuhn (Old Dominion University)

RGC_Status_2026.pptx

3:10 PM Run Group E Preparation for Phase 2

18 min + 7 min

Speaker: Milan Ungerer

Run Group E Preparation for Phase 2.pdf

3:35 PM Coffee Break

4:00 PM Run Group D Update

18 min + 7 min

Speakers: Mathieu Ouillon (Mississippi state university), Mathieu Ouillon (Miss State U.)

Presentation_CLASCollaboration_RGD_260629.pdf

4:25 PM BONuS12 Update

Speaker: Yu-Chun Hung (ODU)

clas12_collaborationMeetings_2026Jul01.pdf

4:50 PM Run Group M Update

18 min + 7 min

Speaker: TBD

6:00 PM → 9:00 PM Day 3 Plenary: Informal Social Event

MemCommJune2026.pdf

6:00 PM Collaboration Hangouts

Join us for an informal collaboration gathering at Chef's Market Food Hall & Entertainment Venue, offering a variety of food options as well as games and entertainment in a relaxed setting.

Chef's Market Food Hall & Entertainment Venue
City Center at Oyster Point
11800 Merchants Walk, Newport News, VA 23606

Thu, July 2

8:30 AM → 12:10 PM Day 4 Plenary: General I

8:30 AM Morning Coffee

9:00 AM Lepton Double Charge Exchange Reactions as Probes for Lepton Number Violation

30 min + 10 min

Speaker: Francesco Cappuzzello

CLAS_CM_Francesco_Cappuzzello.pdf

9:40 AM Physics Highlight: High precision measurements of Deeply Virtual Compton Scattering at small nucleon momentum transfe

20 min + 10 min

Speaker: Juan Sebastian Alvarado (IJCLab)

June2026 CLAS Collab Meeting.pdf

10:10 AM Coffee Break

10:40 AM Speakers Committee Report

Speakers: Lucilla Lanza, Lucilla Lanza

CSC_July2026_Lanza.pdf

10:55 AM Student/Postdoc Report

Speakers: Mathieu Ouillon (Mississippi state university), Mathieu Ouillon (Miss State), Mathieu Ouillon (Miss State U.)

Student_MeetingReview_June2026.pdf

11:10 AM Membership Committee Report

Speaker: Silvia Niccolai (IJCLab Orsay)

MemCommJune2026.pdf

11:25 AM Closeout

Speakers: Annalisa D'Angelo (University of Rome Tor Vergata and INFN Roma Tor Vergata), Bryan McKinnon (University of Glasgow), Maria Zurek (Argonne National Laboratory), Nathan Baltzell (Jefferson Lab), Raphaël Dupré (IJCLab, Paris-Saclay U.), Stepan Stepanyan (Jefferson Lab)

CLAS_CM_Summer2026.pdf

11:40 AM → 1:10 PM Lunch Break