opticalproperties_sbnd.fcl

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#
# File:    opticalproperties_sbnd.fcl
# Purpose: Collection of optical properties.
#
#


BEGIN_PROLOG

#
# Optical properties for LArProperties
#
# Use as:
#    
#     service.LArPropertiesService: {
#         ...
#         @table::sbnd_opticalproperties
#         ...
#     }
#
#
sbnd_opticalproperties: {
    
    # Updating the triplet decay-time (Phys. Rev. C 91, 035503). Note that in our simulations we account 
    # independently for the TPB-delay time and the emission (fast and slow) decay times.
    ScintSlowTimeConst:   1300.  # slow scintillation time constant (ns)
    
    ScintByParticleType: true

    ScintPreScale:  0.03   # QE x TPB_FW x TPB_Absorption (15% x 50% x 45%)
                           # MUST match between g4 and detsim

    EnableCerenkovLight: false # Cerenkov light OFF by default

    LoadExtraMatProperties: true

    # TPB time set to zero in Geant4 beacuse it is unable to simulate the measured-TPB 
    # time spectrum (Phys. Rev. C, 91,035503). This delay (i.e. the measured 4-exponential)
    # is currently accounted at digitization level.
    TpbTimeConstant: 0.0 

    #setting the optical properties of the materials in the geometry:
    ReflectiveSurfaceEnergies:         [ 1.77, 2.0675, 2.481, 2.819, 2.953, 3.1807, 3.54, 4.135, 4.962, 5.39, 7., 15. ]
    ReflectiveSurfaceNames:            [ "STEEL_STAINLESS_Fe7Cr2Ni", "Copper_Beryllium_alloy25", "G10", "vm2000", "ALUMINUM_Al" ]
    ReflectiveSurfaceReflectances:     [ [ 0.66, 0.64, 0.62, 0.60, 0.59, 0.57, 0.53, 0.47, 0.39, 0.36, 0.27, 0.25 ],
                                         [ 0.902, 0.841, 0.464, 0.379, 0.345, 0.299, 0.287, 0.264, 0.337, 0.3, 0.0, 0.0 ],
                                         [ 0.393, 0.405, 0.404, 0.352, 0.323, 0.243, 0.127, 0.065, 0.068, 0.068, 0.0, 0.0 ],
                                         [ 0.93, 0.93, 0.93, 0.93, 0.93, 0.93, 0.1, 0.1, 0.7, 0.3, 0.0, 0.0 ],
                                         [ 0.9, 0.9, 0.9, 0.9, 0.9, 0.9, 0.9, 0.47, 0.39, 0.36, 0.27, 0.25 ] ]

     #the information below is used for the "simple boundary simulation". You might want to change them if using the simple version
     #of the boundary simulation
     ReflectiveSurfaceDiffuseFractions: [ [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
                                          [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
                                          [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
                                          [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ],
                                          [ 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 ] ]
    
} # sbnd_opticalproperties

END_PROLOG