hes hks meeting
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HES HKS meeting8Nov 2010T.Gogami
E05-115 experimental setup in JLab Hall C (2009)
Content
• HKS GEANT– Committed• NMRPort , Chmaber extension2 , flange• MaterialList
• Moller scattering differential cross section in Lab system
Committed (svn)• src/– ChamberExtension2.cc– CEF.cc– NMRPort.cc– HKSDetectorConstruction.cc
• include/– ChamberExtension2.hh– CEF.hh– NMRPort.hh– HKSDetectorConstruction.hh
Committed (svn)
• /src– MaterialList.cc
• /include– MaterialList.hh
1. Harver2. SUS3043. Concrete
Concrete
Concrete
Moller scattering CM==> Lab
http://lambda.phys.tohoku.ac.jp/~gogami/HES-HKS/Moller_lab_cm/moller_lab_cm.pdf
Moller cross sectiontheta and momentum dependence
in Lab system
GEANTuniform gen. Collimator (-3cm , 12C)
HES acceptance >3 [deg]
thetamomentum
HES
2000 ×2000
collimator OFF
Summary and to do• Summary– HKS GEANT
• Committed (subversion)– NMRPort , Chmaber extension2 , flange– MaterialList
– Moller scattering • HES cannot accept Moller electrons
• to do– Analysis
• ee+ background– reconstruct real xx’ distribution with simulation– rejection code– Time difference between ee+ and particles on optics.
• Residual of chambers for each arm.• HES tracking
– Strangeness 2010 in KEK• registration has been done !
End
11/6 時点
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