Detector Working Group Meetings

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Date and Location: Every Wednesday at 2:00 p.m. in CEBAF center F324-325
Conference ID 	543882839
Desktop sharing and video https://bluejeans.com/543882839
(You don't need to call in by phone if your PC has a mic and a speaker, 
but do REMEMBER to turn off mic and speaker to avoid echo if you use phoneline for audio)
Audio Dial: 18882402560 (US or Canada only) (see all numbers) and enter the Conference ID
meeting system "bluejeans" howto https://hallaweb.jlab.org/wiki/index.php/Bluejeans_howto
(Moderator Passcode: 1111, and link https://bluejeans.com/543882839/1111)


Howto share files for the meeting
you may just send the file to zwzhao@jlab.org
The info below is about how to do it yourself
upload your file by "scp yourfilename yourjlabusername@ftp.jlab.org:/site/www/html/meic/meetings/meic_det_meeting/" from anywhere
then you can link it by http://www.jlab.org/meic/meetings/meic_det_meeting/ + yourfilename
your account needs to be in eicwww group to be able to upload.
The files are protected by general jlab user login
  • 12/18/2016
    • From this point on, all agendas and talk are found in the DocDB version


  • 12/30/2015
    • Beam Pipe Concept in IP region, Media:BeamPipe_EIC@JLab-IP.pdf Charles Hyde
    • Images:
      • g4bealine view of vertex beam pipe g4beamline view of IP with vertex beam pipe, 30 Dec 2015
      • g4beamline wireframe view
        wireframe view of IP with vertex beam pipe, 30 Dec 2015
      • g4beamline vertex beam pipe vertex beam pipe, 30 Dec 2015
  • 12/16/2015
    • pdf new ion forward, Vasiliy
    • odppdf RICH, Alessio
  • 12/16/2015: Second detector presentation:
  • 12/09/2015: Informal seminar about the (JL)EIC accelerator design:
    • Announcement: On Dec. 9, at 1:30 p.m. there will be an unique opportunity to learn more about the accelerator design for a proposed Electron Ion Collider at JLab (JLEIC, formally known as MEIC). Vasiliy Morozov, Slava Derbenev, and Yuhong Zhang will give a brief overview about the design and will be available for questions. The question time on the JLEIC accelerator design is intended for everyone interested in the (JL)EIC project.
    • Vasiliy's overview presentation
  • 11/18/2015
    • Concept for `recycling' the proposed Hall C NPS PbWO4 Calo as a forward call for JLEIC
    • (pdf) Charles
  • 11/11/2015
  • 11/05/2015
    • [5] TPC/HBD R&D by Tom Hemmick and Bob Azmoun from the sPHENIX pre-DNP workshop in Santa Fe
    • [6] FY12 R&D proposal for a GEM-based TRD
  • 9/30/2015
    • Draft Compton/Low Q2 chicane slides for collaboration meeting [7] Version 2
  • 9/9/2015
    • Brief Compton GEANT3 update [8]
    • Electron Ring Downstream of IP Optics (comprehensive version) ppt Fanglei Lin
  • 9/2/2015
  • 8/19/2015
    • PYTHIA6: PDF K.Park
  • 8/5/2015
    • tracking summary: PDF P.Nadel-Turonski
  • 7/29/2015
    • PYTHIA introduction: PDF K.Park
    • Compton lasers options pptxD. Gaskell
  • 7/15/15
    • [9] eRing_topoff, Fanglei Lin
  • 6/29/2015
    • [10] eRing_topoff, Fanglei Lin
    • [11] version 3 beamline in SVN, Zhiwen Zhao
    • Compton Edet LDRD second draft pptx Alexandre
  • 6/24/2015
  • 6/13/2015
    • A Study of Photon Tagging: PDF K.Park
    • A Study of ZDC:(update:Jun.21) PDF K.Park
  • 6/10/2015
    • pptxls e chicane, Fanglei Lin
  • 6/3/2015
    • [12] ECAL R&D proposal, Xiaochao Zheng
  • 5/28/2015
    • Control a decay/fragmentation master switch (MSTP111): PDF K.Park
  • 5/27/2015
    • STEG talk at APS PDF K.Park
    • GEMC event display (a single event: 3rd event): bug-fixed and local machine run
      • PYTHIA6_1, e:p=10:250GeV
  • 5/21/2015
    • PYTHIA event comparison with a sample from BNL pdf K.Park
  • 5/20/2015
  • 5/7/2015
  • 4/29/2015
    • Compton Edet proposal Alexandre pdf
  • 4/25/2015
    • GEMC (interactive/display mode) with PYTHIA event needs to be understood more clear
      • (e.g.) GEMC show the first event but does not display next PYTHIA event (since >30 particles per event) - talked to Mauri(GEMC bug)...
      • This is an issue for both Interactive and Batch modes
    • GEMC event display comparison with various configurations (single event comparison)
      • Config.1Config.2Config.3Config.4
  • 4/21/2015
    • beam line study (D2) [13] K.Park
    • meic_det1_parameter_Original.txt [14]
  • 4/20/2015
    • Implement ion(proton) crossing angle(-50mard) in PYTHIA6
    • Remove all SPECIAL CODES(PID=81-100)

Pythia6 no Solenoid fieldPythia6a with 3T Solenoid field Pythia a single event, (e:P)=(5:50)GeV, x=0.01-0.1, Q2=1-50GeV2,

    • GEMC Color code [15]
  • 4/9/2015
    • GEMC with STEG (v2): Δp/p=-1/2, 0, +1/2 [16] [17] K.Park
      • Pythia6 Pythia Event, (e:P)=(5:50)GeV, x=0.01-0.1, Q2=1-50GeV2 (GEMC is blocked by unphysical particle)
      • Pythia6 Pythia Event, (e:P)=(5:50)GeV, x=0.01-0.1, Q2=1-50GeV2 (remove)


  • 3/18/2015
  • 3/4/14
    • pptxpdf solenoid field and RICH, Zhiwen Zhao
  • 2/25/15
  • 2/11/15
    • MEIC_ering_IP_optics Fanglei Lin
    • Update to RICH Optics concept: I attach a modified drawing of naive RICH optics. One critical parameter is the maximal radius of a track at the downstream end of the coil (z=2.4 m). I took this radius to be 1.0 m. Starting with the coil radius of 1.5 m, I subtracted 35 cm for the calorimeter and 15 cm total for TOF and DIRC. Are these values consistent with your design? In this design, the radius of curvature of the Mirror is 3.120 m. The center of curvature of each mirror is at z = 1.040 m and r_Perp = 0.945 m (I would guess we would have 8 mirrors, but maybe 12. This will probably be driven by the segmentation of Bar-Boxes for the DIRC). The downstream face of the photo sensor array is at z = 2.600 m, with inner radius 1.083 m and outer radius 1.561 m. I also made the inner radius of the RICH smaller, since the electron quad cannot interfere with the BSC of the ion beam, I took the inner angular range of the RICH could be 45 mr (with some cutout in the horizontal plane for the ion beam). IonRich.gif Charles Hyde
  • 2/4/15
  • 12/18/14
  • 10/09/14
  • 09/18/14
  • 08/07/14
  • 07//24/14
    • pptx pdf SolID and MEIC by Zhiwen Zhao
  • 03/06/14
  • 02/20/14
    • pdfpptx DVCS on proton by Zhiwen Zhao
  • 02/13/14
    • pdf polarimetry by Dave Gaskell
  • 02/06/14
    • ppt e beam pol by Fanglei Lin
  • 01/30/14
  • 11/07/13
    • [21] pol e beam talk at 2013 International Workshop on Polarized Sources, Targets & Polarimetry by Fanglei Lin
  • 10/31/13
    • Far-Forward Tracking Region: pdf by Kijun Park
    • pdf by Vasiliy Morozov
  • 10/18/13
    • Far-Forward Tracking Region: pdf by Kijun Park
  • 10/10/13
  • 10/03/13
  • 10/02/2013
  • 09/26/13
  • 09/19/13: (Agenda and Minutes)
  • 09/12/13: (Agenda and Minutes)
  • 09/05/13: (Agenda and Minutes)
  • 08/29/13: (Agenda and Minutes)
  • 08/15/13: (Agenda and Minutes)
  • 08/08/13: (Agenda and Minutes)
  • 01/09/13: (Agenda and Minutes)