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HES HKS meeting. 4/15/2010 T.Gogami. Today’s talk. GEANT4 spherical uniform distribution ( HKS ) 12 Λ B g.s. width simulation. spherical uniform distribution for HKS. particles distribution at r=1. HKSPrimary GeneratorAction.cc. black generated events red accepted events by HKS. - PowerPoint PPT Presentation
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HES HKS meeting
4/15/2010T.Gogami
Today’s talk
GEANT4 spherical uniform distribution (HKS)
12ΛB g.s. width
simulation
spherical uniform distribution for HKS
particles distribution at r=1
HKSPrimaryGeneratorAction.cc
θ ; same as HES side (backup)
black generated eventsred accepted events by HKS input/sample.in
θ , Δθ , φ , Δφ
spherical uniform distribution for HKS
particles distribution at r=1
p = 1.2±0.3 [GeV/c]θ = 0.124±0.124 [rad]φ = 2.64±0.5 [rad]No collimator
spherical uniform distribution for HKS
Momentum
p = 1.2±0.3 [GeV/c]θ = 0.124±0.124 [rad]φ = 1.57±1.57 [rad]No collimator
HKS solid angle
solid angle ~11 [msr]
p = 1.2±0.3 [GeV/c]θ = 0.124±0.124 [rad]φ = 1.57±1.57 [rad]No collimator
simulation condition
12ΛB g.s. width is wider than
others
[MeV]
[MeV]
[MeV]
[MeV]
generatediterated num. = 10000All event num. = 700 = Nsecond peak event num. = N/4second peak pos. = +100,150,200[keV]resolution = 500 [keV]background : peak max. = 1 : 4
+100 [keV]
+150 [keV]
+200 [keV]
12ΛB g.s. width is wider than
others
peak pos. difference = +150 [keV] width (FWHM) = 523.9 ± 30.6 (1σ) [keV] mean = 36.27 ± 13.42 (1σ) [keV]
http://lambda.phys.tohoku.ac.jp/~gogami/Gpdf/width_sim2.pdf
document
summary and to do HKS spherical uniform distribution
HKS solid angle ~11 [msr] width simulation
peak pos. difference = +150 [keV] width (FWHM) = 523.9 ± 30.6 (1σ) [keV] mean = 36.27 ± 13.42 (1σ) [keV]
document http://lambda.phys.tohoku.ac.jp/~gogami/Gpdf/width_sim2.pdf
Real data EH
documents GCOE RA GCOE 若手イニシアティブ A ~4/21 奨学金 ~4/30 学振 ~5/6
SUMMARY
TO DO
backup
HESPrimaryGeneratorAction.cc
input/sample.in θ , Δθ , φ , Δφ
θΔθ
Δθ
min maxa
Δa Δa
4/8/2010 meeting ppt
12ΛB g.s. width is wider than
others
[MeV]
[MeV]
[MeV]
[MeV]
generatediterated num. = 10000All event num. = 700 = Nsecond peak event num. = N/2second peak pos. = +100,150,200[keV]resolution = 500 [keV]background : peak max. = 1 : 4
+100 [keV]
+150 [keV]
+200 [keV]
12ΛB g.s. width is wider than
others
[MeV]
[MeV]
[MeV]
[MeV]
generatediterated num. = 10000All event num. = 700 = Nsecond peak event num. = N/3second peak pos. = +100,150,200[keV]resolution = 500 [keV]background : peak max. = 1 : 4
+100 [keV]
+150 [keV]
+200 [keV]
12ΛB g.s. width is wider than
others
http://lambda.phys.tohoku.ac.jp/~gogami/Gpdf/width_sim2.pdf
document
