# electron drift velocity FDC_DRIFT_SPEED .0055 # dead wire radius FDC_WIRE_DEAD_ZONE_RADIUS 3.5 # other dead wire radius FDC_STRIP_DEAD_ZONE_RADIUS 5.0 FDC_ACTIVE_AREA_OUTER_RADIUS 48.5 FDC_ANODE_CATHODE_SPACING 0.5 FDC_TWO_HIT_RESOL 1. FDC_WIRES_PER_PLANE 96 FDC_WIRE_SPACING 1. FDC_STRIPS_PER_PLANE 192 FDC_STRIP_SPACING 0.5 FDC_STRIP_GAP 0.1 FDC_MAX_HITS 100 FDC_K2 1.15 FDC_STRIP_NODES 3 # threshold in keV FDC_THRESH_KEV 1. # threshold in fC FDC_THRESH_STRIPS 0.001 # electron charge in fC FDC_ELECTRON_CHARGE 1.6022e-4 # diffiusion speed cm^2/s --> 200 microns at 1 cm FDC_DIFFUSION_COEFF 1.1e-6 # The error on the drift time in the FDC. The drift times # for the actual FDC hits coming from the input file # are smeared by a gaussian with this sigma. # 200.0/55.0*1.0E-9; # in seconds FDC_TDRIFT_SIGMA 1.0e-9 # The error in the distance along the wire as measured by # the cathodes. This should NOT include the Lorentz # effect which is already included in hdgeant. It # should include any fluctuations due to ion trail density # etc. 150.0 microns [microns] FDC_CATHODE_SIGMA 150.0 #FDC_CATHODE_SIGMA 50.0 # The FDC pedestal noise is used to smear the cathode ADC # values such that the position along the wire has the resolution # specified by FDC_CATHODE_SIGMA. # units in pC (calculated from FDC_CATHODE_SIGMA in SmearFDC) FDC_PED_NOISE 0.2 #FDC_PED_NOISE 1.527 # Time window for acceptance of FDC hits units in nanoseconds FDC_TIME_WINDOW 1000.0 # Fraction of FDC hits to randomly drop (0=drop nothing 1=drop everything) FDC_HIT_DROP_FRACTION 0.0;