JEF Simulations

Simulated η signal events using genEtaRegge

Notes:

• Distributions of final state particles from n-body phase space
• Beam profile from ccdb for simulation of real data and cobrems generator with E_beam,min=5.2 GeV for FCAL-2 MC

Channel: η→3π⁰, 8.3M thrown

• genEtaRegge configuration file:

#beam configuration file
TEMPBEAMCONFIG
#mass[GeV] width[GeV]
0.547853 0.000
#g_eta_gamma_gamma g_rho_eta_gamma g_omega_eta_gamma g_phi_eta_gamma 
0.0429 0.81 0.29 0.38
#Number of decay particles
3
#GEANT ids of decay particles (1=gamma,7=pi0, 8=pi+, 9=pi-, 17=eta).
7 7 7

• Output files:

FCAL-1 geometry:   /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal1v3/eta_3pi0/hddm (mcsmeared files)
FCAL-2 geometry:   /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal2v2/eta_3pi0/hddm (mcsmeared files)

Channel: η→2γ, 10M thrown

• genEtaRegge configuration file:

#beam configuration file
TEMPBEAMCONFIG
#mass[GeV] width[GeV]
0.547853 0.000
#g_eta_gamma_gamma g_rho_eta_gamma g_omega_eta_gamma g_phi_eta_gamma 
0.0429 0.81 0.29 0.38
#Number of decay particles
2
#GEANT ids of decay particles (1=gamma,7=pi0, 8=pi+, 9=pi-, 17=eta).
1 1

• Output files:

FCAL-1 geometry:  /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal1v3/eta_2g/hddm  (use the REST files)
FCAL-2 geometry:  /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal2v2/eta_2g/hddm  (mcsmeared files)

Channel: η→π⁰γγ, 6.5k thrown

• genEtaRegge configuration file:

#beam configuration file
TEMPBEAMCONFIG
#mass[GeV] width[GeV]
0.547853 0.000
#g_eta_gamma_gamma g_rho_eta_gamma g_omega_eta_gamma g_phi_eta_gamma 
0.0429 0.81 0.29 0.38
#Number of decay particles
3
#GEANT ids of decay particles (1=gamma,7=pi0, 8=pi+, 9=pi-, 17=eta).
7 1 1

• Output files:

FCAL-1 geometry:  /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal1v3/eta_pi02g/hddm (mcsmeared files)
FCAL-2 geometry:  /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal2v2/eta_pi02g/hddm (mcsmeared files)

Background events

Double π⁰:

FCAL-1 geometry:  /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal1v4/pi0pi0/hddm (REST files)
FCAL-2 geometry:  /w/halld-scshelf2101/halld3/home/staylor/simulation/fcal2v2/pi0pi0/hddm (mcsmeared files)