# # FCAL data base of constants used in MC # // Photon-statistics factor for smearing hit energy (from Criss's MC) // (copied from DFCALMCResponse_factory.cc 7/2/2009 DL) FCAL_PHOT_STAT_COEF 0.035 // Single block energy threshold (applied after smearing) // 20 MeV, units are in GeV FCAL_BLOCK_THRESHOLD 0.02 // Attenuation length in cm FCAL_ATTEN_LENGTH1 100. //Outer Glass FCAL_ATTEN_LENGTH2 73.1 //Inner Glass // Radius of inner lead glas blocks in cm FCAL_RHG_RADIUS 30. //Radius of inner glass // effective speed of light in glass in cm/ns FCAL_C_EFFECTIVE 15. // block width in cm FCAL_WIDTH_OF_BLOCK 4. // block length in cm FCAL_LENGTH_OF_BLOCK 45. // time windown for two hit separation in ns FCAL_TWO_HIT_RESOL 75. // maximum number of hits in a single block FCAL_MAX_HITS 100 // threshold applied in a block (in hdgeant) // Note: different unit than for smeared-blocks threshold (see above) FCAL_THRESH_MEV 5. // radius of the calorimeter FCAL_ACTIVE_RADIUS 120. // number of blocks in central row FCAL_CENTRAL_ROW 29 // number of blocks in central column FCAL_CENTRAL_COLUMN 29