DDVCS

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Mailing list

Register to the mailing list at :

https://mailman.jlab.org/mailman/listinfo/Solid_ddvcs

Letter of intent in 2023

LOI 2023

Letter of intent in 2015 to PAC43

LOI 2015

Theory TAC PAC43

Experimental TAC report

PAC 43 report

note

Rafo's note about angle asymmetry https://clasweb.jlab.org/rungroups/tlc/wiki/index.php/March_27_2025

software

Event generator

EpIC

Pawel's code https://pawelsznajder.github.io/epic

Sebastian's note https://redmine.jlab.org/projects/ddvcs_partons/wiki/Wiki

DEEPGen

Marie's code 2019 version DEEPGen event generator, older version DDVCS and TCS event generator

grape and twopeg

BH from grape-dilpeton https://research.kek.jp/people/tabe/grape/

two pion exclusive https://github.com/skorodumina/twopeg

Zhiwen code to read grape and twopeg output and combine with detector accetpance https://github.com/JeffersonLab/anagrape

Zhiwen's working dir /work/halla/solid/BH/grape-dilepton_work

simulation

generally how to do solid simulation https://solid.jlab.org/wiki/index.php/Software#Detector_Simulation

to see ddvcs setup

cd $SoLID_GEMC/script
solid_gemc solid_JPsi_DDVCS_LH2_moved_full.gcard

current muon detector geometry is at https://github.com/JeffersonLab/solid_gemc/tree/master/geometry/muon_moved

muon detector prototyping https://github.com/JeffersonLab/solid_gemc/tree/master/prototype/muon_pro

Zhiwen's farm jobs working dir for script /work/halla/solid/sim/solid_gemc/JPsi_DDVCS_JLAB_VERSION_2.5/pass1/ and for output /volatile/halla/solid/sim/solid_gemc/JPsi_DDVCS_JLAB_VERSION_2.5/pass1/

Zhiwen's sim slide https://solid.jlab.org/files/sim/ddvcs/solid_ddvcs_2022_sim.pdf https://solid.jlab.org/files/sim/ddvcs/solid_ddvcs_2022_sim.pptx

hardware

• Magnet
• Tracking
  • GEM
  • Micromegas
  • Silicium
• Superconducting detectors, Pizza Seminar September 24th 2014 [pptx]
• Readout
• Front End, MPD, SRS, CLAS12 readout
• ASICS, APV25 DREAM VMM2

Muon detector

• Muon detection and quarkonium reconstruction at the EIC https://indico.cern.ch/event/1152971/
• SBS HCAL 15 cm x 15 cm x 100 cm https://userweb.jlab.org/~jones/sbs_doe_nov_2014_review/HCALJ-technical-specs.pdf
• Minerva [1]
• CLEO muon detector http://www.lns.cornell.edu/public/lab-info/mu.html http://www.hep.umn.edu/cleo/CLEOII_NIM.pdf http://www.sciencedirect.com/science/article/pii/016890029290771U/pdf?md5=cc5edbfce758ba6b222c27709b85f2ce&pid=1-s2.0-016890029290771U-main.pdf
• Phenix http://www.phenix.bnl.gov/WWW/muon/notes/phenix-muon-96-12.html
• DHCAL (ILC) https://agenda.linearcollider.org/event/4391/session/22/contribution/19/material/slides/0.pdf http://hal.archives-ouvertes.fr/docs/00/42/93/10/PDF/LAPP-EXP-2009-11.pdf http://omega.in2p3.fr/index.php/products/hardroc-front-end-chip.html
• CLAS LAC (one whole module left) https://www.sciencedirect.com/science/article/pii/S0168900299012875#BIB1 and https://arxiv.org/pdf/nucl-ex/0403041 and http://www.lnf.infn.it/esperimenti/aiace/procedures.htm and http://www.lnf.infn.it/esperimenti/aiace/Tech_pap.html
• CLAS12 ECAL (many scintilator bar with WLS fiber left)

CLEO 3rd layer iron info

https://www.classe.cornell.edu/public/lab-info/coil.html

1 of 8 side of 3rd layer of CLEO is roughly 98.55"x14.21"x210"
echo side is made of 2 pieces of 62" and 37", total 16 pieces
we have 13 pieces: 7 at 62" x 14" x 210" and 6 at 37" x 14" x 210", while Cornell has 3 for their use

see drawings at
https://solid.jlab.org/files/cleo_manual/20120314%20Accelerator%20SCANS/Roll%202%20-%20Laboratory%20of%20Nuclear%20Studies/6052-303%20-Sh%2003.pdf
https://solid.jlab.org/files/cleo_manual/20120314%20Accelerator%20SCANS/Roll%202%20-%20Laboratory%20of%20Nuclear%20Studies/6052-303%20-Sh%2006.pdf
https://solid.jlab.org/files/cleo_manual/20120314%20Accelerator%20SCANS/Roll%202%20-%20Laboratory%20of%20Nuclear%20Studies/

photos at
https://solid.jlab.org/files/cleo_manual/cleo_scan1.pdf
https://solid.jlab.org/files/cleo_manual/cleo_scan2.pdf

Documents

Papers

• Double deeply virtual Compton scattering off the nucleon

 M. Guidal (Orsay, IPN), M. Vanderhaeghen (Mainz U., Inst. Kernphys.). Aug 2002. 4 pp.
 Published in Phys.Rev.Lett. 90 (2003) 012001
 DOI: 10.1103/PhysRevLett.90.012001
 e-Print: hep-ph/0208275 PDF  [2]

• Exclusive electroproduction of lepton pairs as a probe of nucleon structure

 A.V. Belitsky (Maryland Uni.), D. Mueller (Wuppertal Uni.). Oct 2002. 4 pp.
 Published in Phys.Rev.Lett. 90 (2003) 022001 [3]

• Probing generalized parton distributions with electroproduction of lepton pairs off the nucleon

 A.V. Belitsky (Maryland Uni.), D. Mueller (Wuppertal Uni.). Oct 2002. 4 pp.
 Published in Phys.Rev.D 68 (2003) 116005

• Unraveling hadron structure with generalized parton distributions

 A.V. Belitsky (Arizona State U.), A.V. Radyushkin (Jefferson Lab & Old Dominion U.). Apr 2005. 370 pp.
 Published in Phys.Rept. 418 (2005) 1-387
 JLAB-THY-04-34
 DOI: 10.1016/j.physrep.2005.06.002
 e-Print: hep-ph/0504030 | PDF

• MEMUS – A large solid angle detector for ELFE ps

 Nuclear Instruments and Methods in Physics Research 
 Section A: Accelerators, Spectrometers, Detectors and Associated
 Equipment, Volume 409, Issue 1, Pages 400-401
 G Audit et al.

• Solenoidal LOI PAC 27 [4]

Presentation talks

INT workshop September 30th 2009, DDVCS with SoLID : The JLab Hall A experimental program at 12 GeV [5]

DVCS collaboration meeting IPN Orsay November 2012 pptx

Hall A collaboration meeting December 2012 DDVCS with SoLID pdf

Study of feasibility of DDVCS with SuperBigBite -DVCS collaboration meeting - December 2013 pdf

SBS collaboration - DDVCS update - July 7-8 2014 [6]

The Sixth Workshop on Hadron Physics in China and Opportunities in US, Lanzhou July 24, 2014 : Overview of the Generalized Parton Distributions program pdf

SoLID Collaboration Meeting May 14 -15, 2015 Jefferson Lab Newport News, VA USA [7] [8]

INPC 2016 Double Deeply Virtual Compton Scattering Opportunities at Jefferson Laboratory [9]

ECT Trento workshop [10] [11] Talks [12]

Shengyin's proceeding [13]

Logbook

DDVCS ELOG