CLAS Collaboration Meeting

Oct 20, 2015, 8:30 AM → Oct 23, 2015, 9:00 PM US/Eastern

Tue, October 20

First CLAS12 Experiment Workshop

Convener: Latifa Elouadrhiri (Jefferson Lab)

1 Welcome/Goals of the meeting

Speaker: Latifa Elouadrhiri (Jefferson Lab)

2 Science overview of run group A and steps toward the first publication

Speaker: Franck Sabatie (Saclay)

Slides Presentation.pdf

3 CLAS12 general status - Schedule/documentation/reviews

Speaker: Latifa Elouadrhiri (Jefferson Lab)

4 Field mapping

Speaker: Mac Mestayer (JLab)

Slides magmapping-sep2015.pptx

5 DAQ and Trigger

Speaker: Dr Valery Kubarovsky (Jefferson Lab)

Slides Kubarovsky_CLAS12_Trigger.pdf

10:00 AM Break

6 Slow controls

Speaker: Nathan Baltzell (JLab)

Slides baltzell_clas12sc_1stexp.pptx

7 Simulations

Speaker: Maurizio Ungaro (Jefferson Lab)

Slides clas_coll_10-15.pdf

8 Event reconstruction

Speaker: Veronique Ziegler (Jefferson Lab)

Slides FirstExpWorkshop.pdf

9 Detector Alignment

Speaker: Jerry Gilfoyle (University of Richmond)

Slides ccm.pdf

12:00 PM Lunch

10 Software Tools offline and online

Speaker: Gagik Gavalian (JLab)

Slides CLAS12-October-20-2015.pdf

11 Detector calibration status

Speaker: Dan Carman (JLab)

Slides calib-oct15.pptx

2:30 PM Break

12 General discussion & run group organization

Speakers: Franck Sabatie (Saclay), Latifa Elouadrhiri (Jefferson Lab), Raffaella De Vita (INFN - Genova)

Wed, October 21

CLAS Collaboration Meeting - Plenary

Convener: Jerry Gilfoyle (University of Richmond)

13 Introductory Remarks

Speaker: Jerry Gilfoyle (University of Richmond)

Slides CLAS_Oct15_Introduction.pdf CLAS_Oct15_Introduction.pptx

14 Hall B Status

Speaker: Volker Burkert (Jefferson Lab)

Slides CLAS_COLL_MEETING_10_2015_red.pdf CLAS_COLL_MEETING_10_2015_red.pptx

15 News from the Lab

Speaker: Robert McKeown (Jefferson Lab)

Slides BMCK_HallB_Oct15.pptx

16 12 GeV Project Status

Speaker: Glenn Young (Jefferson Lab)

17 Accelerator Status

Speaker: Michael Tiefenback (JLab)

Slides AcceleratorUpdate_2.pdf

11:00 AM Coffee Break

18 PRad Status

Speaker: Ashot Gasparian (North Carolina A&T)

Slides Gasparian_CLAS12_1024_2015.pdf

19 HPS Status

Speaker: Raphael Dupre (Orsay)

Slides HPS-2.pdf

CLAS Speakers Committee

Convener: Annalisa D'Angelo (INFN, Sezione di Roma Tor Vergata)

Lunch

Membership Committee

Convener: Kevin Giovanetti (James Madison U)

Plenary

Convener: Jerry Gilfoyle (University of Richmond)

20 Run Group F - (More than one) BONuS in your near future?

Speaker: Sebastian Kuhn (ODU)

Slides RunGroupF.pptx

21 Status of Event Reconstruction in CLAS12

Speaker: Veronique Ziegler (Jefferson Lab)

Slides CollbMeet102015.pdf

22 Report on CalCom Activities

Speaker: Raffaella De Vita (INFN - Genova)

Slides 20151021_calcom.pdf

3:30 PM Coffee Break

23 Report on the First CLAS12 Experiment Workshop

Speaker: Latifa Elouadrhiri (Jefferson Lab)

24 Photoproduction of the f1(1285) Meson

Speaker: Reinhard Schumacher (Carnegie Mellon University)

Slides Schumacher_f1_Meson_Photoproduction.pdf

25 Methods for Multidimensional Proton Imaging

Speaker: Herve Moutarde (Saclay)

Slides moutarde_clas_jlab_21_10_2015.pdf

6:00 PM Reception

Thu, October 22

Hadron Spectroscopy 1

Convener: Marco Battaglieri (INFN-GE)

Directory with slides Directory with talks

26 Hadron Spectroscopy Working Group Business

Speaker: Dr Marco Battaglieri (INFN-GE)

Slides HSWG-Oct15-intro.pdf

27 Towards the Electromagnetic Transition Form Factor of the eta' meson with g12 and CLAS12

Speaker: Dr Michael Kunkel (Forschungszentrum Juelich GmbH)

Slides MK_Juelich_22_10_2015.pdf

28 Update on JPAC activities

Speaker: Adam Szczepaniak (Indiana University)

Slides CLAS-JPAC-October-2015-szczepaniak.pdf

29 Development of a new 2pi event generator based on JLab-Moscow model: reasons, status, and prospects

Speaker: Iuliia Skorodumina (University of South Carolina)

Slides skorodumina_col_meet.pdf

30 A consistent isobar analysis of cascading decays in the high-mass baryon sector

Speaker: Eric Gutz (Giessen)

Slides CLAS2015_Gutz.pdf

31 New and old analysis projects

Speaker: Group

10:30 AM Coffee Break

32 Interpretation of recent pentaquark LHCb results

Speaker: Adam Szczepaniak (Indiana University)

Slides CLAS-5q-October-2015-szczepaniak.pdf

33 Photoproduction of Hidden-Charm Pentaquark in CLAS12 - Untagged

Speaker: Dr Valery Kubarovsky (Jefferson Lab)

Slides 2015_penta.pdf

34 Photoproduction of Hidden-Charm Pentaquark in CLAS12 - Tagged

Speaker: Andrea Celentano (INFN, Sezione di Genova)

Slides Celentano.pdf

35 An update on search for excited eta mesons in gamma proton-> proton pi+ pi- eta

Speaker: Cathrina Sowa (Ruhr-Universität Bochum)

Slides clas_collab.pdf

36 A Study of 3π production in γp → nπ + π + π − and γp → ∆ ++ π + π − π − from g12 data set

Speaker: Aristeidis Tsaris (Florida State University)

Slides CLAS_collaboration.pdf

37 The Photoproduction of Strange Mesons in γp→ΛK+ π+π- (from g12?)

Speaker: Hussein Al Ghoul (Florida State University)

Slides CLAS_meeting_Fall2015.pdf

Deep Processes

Convener: Keith Griffioen (College of William & Mary)

Directory with slides https://www.jlab.org/Hall-B/secure/deep_PWG

10:30 AM Coffee Break

38 The CLAS12 Polarized Ammonia Target

Speaker: Chris Keith (JLab)

Slides PolTar12_CLAS2015.pptx

39 DVCS

Speaker: Aram Movsisyan (INFN, Ferrara)

Slides aram_22_oct_2015.pdf

40 SIDIS

Speaker: Silvia Pisano (Frascati)

Slides pisanos_b2bsidis.pdf

41 CLAS12 Software Application to EG1-DVCS

Speaker: Andrey Kim (UConn)

Slides CLAS102015.pdf

42 Extraction Framework of 3D PDFs

Speaker: Harut Avakian (JLab)

Slides DPWG-2015-10-22-2.pdf DPWG-2015-10-22.ppt

43 Phenomenology of Dihadron Fragmentation Functions at CLAS12

Speaker: Aurore Courtoy (CINVESTAV/CONACyT (Mexico))

Slides collab_meeting_courtoy.pdf

1:00 PM Lunch

CLAS Coordinating Committee Meeting

Convener: Jerry Gilfoyle (University of Richmond)

Hadron Spectroscopy 2

Convener: Marco Battaglieri (INFN-GE)

Directory with slides https://www.jlab.org/Hall-B/secure/hadron/wiki/index.php/Thursday_October_22%2C_2015

44 Spin density matrix elements in Lambda(1520) photoproduction

Speaker: Will Levine (Carnegie Mellon University)

Slides Levine_L1520.pdf

45 Determination of the Polarization Transfer Coeffecients Cx' and Cz' for gamma d to K0 Lambda (p) From g13 Data

Speaker: Colin Gleason (University of South Carolina)

Slides presentation_new.pdf

46 Polarization observables in 2pi photo-production with circularly polarized photons off transversely polarized protons (g9b)

Speaker: Lelia Net (University of South Carolina)

Slides CLAS_october_2015.pdf

3:00 PM Coffee Break

47 Summary of 3 independent analyses of gn->pi^- p from g14 (HDice) data

Speaker: Franz Klein (Catholic University of America)

Slides g14_gn2Ppiminus_Klein.pdf

48 Coherent Rho Meson Photoproduction off Deuteron in g10 Data Set

Speaker: Taya Chetry (Ohio University)

Slides CLAS_1022015_taya.pdf

49 Quasi-free mechanism of the reaction gamma+deuterion->kaon+Lambda+neutron

Speaker: Tongtong Cao (University of South Carolina)

Slides CLASCollaborationMeeting_Tongtong-1.pptx_(Read-Only).pdf

50 Utilizing the STart counter as a polarimeter

Speaker: Nick Zachariou (Edinburgh University)

Slides nzachariou.pdf

51 Analysis review status

52 G12 Anayses Status

Speaker: Lei Guo (Florida International University)

Slides clasOctg12summary.pdf

53 Analysis Review status: g12 Run Group review

Speaker: Eugene Pasyuk (JLab)

Slides g12review_22oct2015.pdf

54 Discussion

Speaker: Group

Nuclear Physics Working Group

Convener: Lamiaa El Fassi (MSU)

Directory with slides https://www.jlab.org/Hall-B/secure/nuclear/CollabOct15/

55 Nuclear Physics Working Group status

Speaker: Lamiaa El Fassi (MSU)

Slides NPWG_elfassiReport.pdf

56 Extension of ND3 run group

Speaker: Silvia Niccolai (IPN Orsay)

Slides

• deuteron.pdf
• dpwg-niccolai_harut.pptx
• ND3_run_group.pdf
• pisanos_sidis_n_long.pdf
• weiss15_dvmp.pdf

57 Update on the analysis of YN interaction

Speaker: Dr Nick Zachariou (Jefferson Lab)

Slides NPWGnzachariou.pdf

3:10 PM Coffee Break

58 Progress on Measurement of the double polarization observables Cx and Cz for final-state interactions in pol(gamma) + d -> K+ pol(lambda) n

Speaker: Tongtong Cao (University of South Carolina)

Slides CLASCollaborationMeeting_Tongtong.pdf CLASCollaborationMeeting_Tongtong.pptx

59 Status of eg2 single pion production analysis

Speakers: Dr Hyupwoo Lee (University of Rochester), Steve Manly (University of Rochester)

Slides HyupwooLee_20151022.odp HyupwooLee_20151022.pdf

60 Tagged EMC from eg2 data

Speaker: Barak Schmookler (Jefferson Lab)

Slides NPWG_Oct2015.pdf

Fri, October 23

CLAS Plenary

Convener: Jerry Gilfoyle (University of Richmond)

61 Service Work Committee Report

Speaker: Silvia Niccolai (IPN Orsay)

Slides SWC_report_10_2015.pdf

62 CLAS12 options for LHCb pentaquark searches/studies

Speaker: Stepan Stepanyan (Jefferson Lab)

Slides LHCb_pentaquarks_CLAS12.pdf

63 Deep Processes Report

Speaker: Keith Griffioen (College of William & Mary)

Slides DPWGReportOct15.pdf

64 New Developments in Nucleon Resonance Structure

Speaker: Victor Mokeev (JLAB)

Slides CLAS102315.pdf CLAS102315.pptx

65 Nuclear Physics Report

Speaker: Lamiaa El Fassi (MSU)

Slides NPWGelfassi_CollReport.pdf

66 Membership Committee Report

Speaker: Kevin Giovanetti (James Madison University)

document AGENDA41Oct2015rpt.pdf

67 Speakers Committee Report

Speaker: Annalisa D'Angelo (INFN, Sezione di Roma Tor Vergata)

Slides CSC_report_10_2015.pdf

11:00 AM Coffee Break

68 Hadron Spectroscopy

Speaker: Marco Battaglieri (INFN-GE)

Slides HSWG-Oct15-summary.pdf

69 Closeout and Final Remarks

Speaker: Jerry Gilfoyle (University of Richmond)

Slides CLAS_Oct15_Closeout.pdf

12:30 PM Lunch Break

Forward Tagger Meeting

Convener: Marco Battaglieri (INFN-GE)