Nucleon Structure Study By Virtual Compton Scattering

• Abstract for E93-050
• Proposal for E93-050
• Preliminaries to the experiment:
  • Run plan
  • Q2=1.0GeV^2 kinematics diagram, Theta_gg_cm distribution, Theta_gg_cm zoom
  • Q2=1.9GeV^2 Theta_gg_cm distribution, Theta_gg_cm zoom
  • Resonances kinematics and number of events diagram
• Author list for E93050
• Bibliography on the present experiment topic and other related developments.
• Thesis:
  • Natalie Degrande ,
    Experimental Study of the Virtual Compton Scattering Process at Q2=1.0 (GeV/c)2
    ( gzipped file )
  • Stephanie Jaminion,
    Diffusion Compton Virtuelle a Jefferson Lab (Experience E93050): Resultat Preliminaire des Sections Efficaces (ep->ep gamma) en vue d'Extraire les Polarisabilites Generalisees du Proton a Q² = 1.9 GeV².
    ( 0 , Remerciements , 1 , 2 , 3 , 4 , 5 , 6 , 7 )
  • Christophe Jutier,
    Measurement of Virtual Compton Scattering below Pion Threshold at Invariant Four-momentum transfer Squared Q2=1.(GeV2).
  • Geraud Laveissiere ,
    Diffusion Compton Virtuelle et Electro-Production de Meson pi0 a Jefferson Lab
    (A4 gzipped: Full , Introduction , 1 , 2 , 3 , 4 , 5 , 6 , Conclusion ; Letter gzipped)
  • Luminita Todor,
    Virtual Compton Scattering in the Nucleon Resonance Region.
• Proceeding publications
  • Nstar2000, L.Todor
  • Gordon Conference July 2000, H. Fonvieille
  • Nstar2001, Mainz, S. Jaminion
  • Nstar2001, Mainz, G. Laveissiere
  • Baryons 2002, L. Van Hoorebeke
  • Baryons 2002, H.Fonvieille, hep-ex/0206035 ( Pdf , Postscript )
  • NAPP proceedings, Dubrovnic 2003, H. Fonvieille
  • Chiral Dynamics Workshop mini proceedings, Bonn 2003, H. Fonvieille
  • EEP03 contribution, Grenoble 2003, H. Fonvieille
• Conferences transparencies
  • Baryons 2002 H. Fonvieille (part 1, part 2)
  • VCS Workshop, Trento 2003 H. Fonvieille
  • VCS Workshop, Trento 2003, G. Laveissiere
  • NAPP, Dubrovnic 2003, H. Fonvieille
  • Chiral Dynamics Workshop, Bonn 2003, H. Fonvieille
• Publications
  • Pi0 Electroproduction nucl-ex/0308009 (A4, Letter)
  • Pi0 Electroproduction cross sections tables:
    • sigmaT+epsilon*sigmaL
    • sigmaTL
    • sigmaTT
  • Gamma Electroproduction excitation curve (A4, Letter)
  • Gamma Electroproduction cross section tables (A4, Letter)
• Related Experiments:
  • E97-108 Exclusive Compton Scattering on the Proton
  • E00-110 Deeply Virtual Compton Scattering
• Future extensions to high energy VCS
  • Jefferson Laboratory Workshop on Physics & Instrumentation with 6-12 GeV Beams
  • Dubrovnik Workshop, November 1998
  • EPIC99 Workshop, April 1999, IUCF
• Run lists for each kinematic setting
  • Ca-1-* runs - Optics calibration Q²=1 GeV²
  • Da-1-* runs - VCS polarizabilities Q²=1 GeV²
  • Res-s-1-* runs - Excitation curve Q²=1 GeV²
  • Ca-2-* runs - Optics calibration Q²=1.9 GeV² with beam energy of 4.045 GeV and 2.445 GeV.
  • Da-2-* runs - VCS polarizabilities Q²=1.9 GeV²
• VCS Analysis Notes
  • Ytarget optimization for E93050 experiment
  • Detector database calibration
  • Beam Position Monitoring for E93050
  • Optics Optimization Work TJNAF-E93050-ODU
  • Desynchronization Problems of the BPM/Raster ADC for E93050
  • Minimisation method for E93050-VCS experiment
  • Trigger efficiency and deadtime correction study
  • How to resynchonize the desynchronized runs or pieces of runs
  • Effects of form factors on VCS (P. Y. Bertin)
  • Luminosity treatment in the VCS simulation package VCSSIM
  • Manual for simulation package VCSSIM
  • Method to implement beam profile for the simulation
  • Method to study E-arm mispointing run per run
  • Memo center-of-mass angle definitions (in relation with the simulation)
  • Memo radiative corrections for the analysis of E93050;VCS Radiative Corrections
  • A Study of Optic Databases Resolution
  • Resolution effects due to the spectrometers in VCSSIM
  • VCS and Impurities (D2,N14) in the target
  • A correction to Spectrometer Acceptance
  • VCS: proton nuclear reaction. Corrections to apply.
  • Note on tails resolution in simulation (VCSSIM) and experiment
  • Experimental Offsets Determination for DA1 and DA2 Data Sets; addendum to offsets determination
  • Exclusive radiative corrections for pi0 (A4,Letter)
  • Memo on systematic errors due to horizontal angles
  • Comments about offsets and systematic errors due to offsets
  • Summary of LEX and DR analysis
  • Summary of LEX analysis
  • Summary of DR analysis
  • Summary of DR analysis in Delta region
• Hall A operating procedures, summaries and other resources
  • High resolution spectrometers
  • Analysis software ESPACE
  • Beamline
  • BPM and raster correlations
  • The Target
  • "Farming" at TJNAF:Data analysis on farm machines

This page is subject to continuous improvement.
Please, send any comments on this page to Geraud Laveissiere

Last update September 11, 2003