CCDB Tables FCAL

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Variations

No interesting variations at the moment.


Tables

/FCAL/gains

1-2800 block gain correction factors


/FCAL/pedestals

1-2800 ADC pedestals


/FCAL/timing_offsets

1-2800 block timing offsets (ns)


/FCAL/block_quality

1-2800 block quality factor


/FCAL/alignment

FCAL_ALIGN_X alignment parameters
FCAL_ALIGN_Y
FCAL_ALIGN_Z
FCAL_ALIGN_CELL_HEIGHT
FCAL_ALIGN_CELL_WIDTH


/FCAL/shower_calib

FCAL_SHOWER_CALIB_A shower energy calibration constants
FCAL_SHOWER_CALIB_B
FCAL_SHOWER_CALIB_C
FCAL_SHOWER_CALIB_D


/FCAL/cluster_merging

MIN_CLUSTER_SEPARATION Minimum separation between 2 clusters for 2 FCAL clusters should be merged or not when creating DFCALPhoton objects out of DFCALCluster objects (in cm)


FCAL/fcal_parms

FCAL_PHOT_STAT_COEF 0.035 Photon-statistics factor for smearing hit energy
FCAL_BLOCK_THRESHOLD 0.02 Single block energy threshold (applied after smearing, units of GeV)
FCAL_ATTEN_LENGTH1 100. Attenuation length for Outer Glass (in cm)
FCAL_ATTEN_LENGTH2 73.1 Attenuation length for Inner Glass (in cm)
FCAL_RHG_RADIUS 30. Radius of inner lead glass blocks in cm
FCAL_C_EFFECTIVE 15. effective speed of light in glass in cm/ns
FCAL_WIDTH_OF_BLOCK 4. block width in cm
FCAL_LENGTH_OF_BLOCK 45. block length in cm
FCAL_TWO_HIT_RESOL 75. time window for two hit separation in ns
FCAL_MAX_HITS 100 maximum number of hits in a single block
FCAL_THRESH_MEV 5. threshold applied in a block (in hdgeant) Note: different unit than for smeared-blocks threshold (see above)
FCAL_ACTIVE_RADIUS 120. radius of the calorimeter
FCAL_CENTRAL_ROW 29 number of blocks in central row
FCAL_CENTRAL_COLUMN 29 number of blocks in central column