CCDB Tables TOF
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Contents
Variations
No interesting variations at the moment.
Tables
TOF/timing_offsets
| 1-176 | timing offset, t0 (ps) |
TOF/timing_scales
| 1-176 | count-to-picosecond conversion factors |
TOF/pedestals
| 1-176 | ADC pedestal values (ADC counts) |
TOF/gains
| 1-176 | ADC gain factors |
TOF/timewalk_params - 176 rows (channels)
| a | parameters for per-channel timewalk correction |
| b | |
| ... |
Number of parameters still to be determined.
TOF/module_alignment
| dx | displacement of module centers from nominal (cm) |
| dy | |
| dz |
TOF/module_sizes
| length | measured module sizes (cm) |
| width |
TOF/timing/tdc_params
| a | per-TDC parameters |
| b | |
| c | |
| d |
TOF/timing/right_left_offset
| 1-168 | right-to-left TDC channel timing offsets in each module to center Delta(t) at zero |
TOF/timing/tdc_relative_offset
| 1-91 | Timing offsets of TDCs with respect to each other (ps) |
TOF/timing/overall_offset
| TOF_OVERALL_T0 | 0.0 | time offset with respect to global timing (ps) |
TOF/tof_parms
| TOF_C_EFFECTIVE | 15.0 | effective light speed in the plastic scintillator paddles units [ns] |
| TOF_ATTEN_LENGTH | 150. | attenuation legth of paddle units [cm] |
| TOF_POS_RES | 3.0 | TOF position resolution in the transvers direction of the paddle [cm] |
| TOF_ADC_TO_E | 1.0 | conversion of ADC to energy |
| TOF_TDC_MC_RES | 0.06 | TDC resolution as in the MC units [ns] |
| TOF_PHOTONS_PERMEV | 8000. | scintillation photon generated per MeV energy |
| TOF_THETA_MAX | 50.74 | total internal reflection |
| TOF_PMT_SURFACE | 19.63 | PMT surface in cm^2 |
| TOF_ADC_RES_MC | 50. | adc resolution pC/count in MC |
| TOF_TDC_RES_MC | 0.06 | TDC resolution in ns |
| TOF_PMT_GAIN_MC | 40000000. | PMT gain factor in MC |
| TOF_PHE_EFF | 0.2 | PMT quantum efficiency |
| TOF_REFLECT_EFF | 0.5 | reflection efficiency of scintillation light |
| TOF_CENT_TRES | -0.698970004 | timing resolution in the center of the paddle log10(0.2ns) |
| TOF_ADC_TO_E | 1.0 | ADC to energy conversion factor in MC |
| TOF_HALFPADDLE | 126. | half the length of a TOF paddle in cm |
| TOF_PADDLE_LENGTH | 252. | half the length of a TOF paddle in cm |
| TOF_PADDLEWIDTH | 6. | with of a TOF paddle in cm |
| TOF_E_THRESHOLD | 0.001 | Energy threshold in GeV |
| TOF_SIGMA | 0.1 | Timing resolution in [ns] |
| TOF_TWO_HIT_RESOL | 25. | two hit resolution in tof [ns] |
| TOF_THRESH_MEV | 0. | threshold applied to deposited energy in MC |
| TOF_MAX_HITS | 25 | maximum merged hits per paddle |
| TOF_MAX_PAD_HITS | 25 | maximum total hits per paddle |
