CCDB Tables Photon Beam
Contents
Variations
No interesting variations at the moment.
Proposed Tables
PHOTON_BEAM/scaled_energy_range - 240 rows
xlow | low and high values of the beam energies measured by this channel as a fraction of the beam energy |
xhigh |
all channels, microscope + fixed array
PHOTON_BEAM/endpoint_energy
PHOTON_BEAM_ENDPOINT_ENERGY | Endpoint energy as determined with tagged and pair spectrometer |
Tagger Microscope
PHOTON_BEAM/microscope/tdc_timing_offsets
1-120 | timing offset, t0 (ps) |
PHOTON_BEAM/microscope/adc_timing_offsets
1-120 | timing offset, t0 (ps) |
PHOTON_BEAM/microscope/adc_gain_factor
1-120 | gain correction factors |
PHOTON_BEAM/microscope/scaled_energy_range - 120 rows
xlow | low and high values of the beam energies measured by this channel as a fraction of the beam energy |
xhigh |
PHOTON_BEAM/microscope/timewalk_correction - 120 rows
A | parameters for per-channel timewalk correction |
B | |
C | |
D | |
E |
Tagger Fixed Array
PHOTON_BEAM/fixed_array/tdc_timing_offsets
1-220 | timing offset, t0 (ps) |
PHOTON_BEAM/fixed_array/adc_timing_offsets
1-220 | timing offset, t0 (ps) |
PHOTON_BEAM/fixed_array/adc_gain_factor
1-220 | gain correction factors |
PHOTON_BEAM/fixed_array/scaled_energy_range - 220 rows
xlow | low and high values of the beam energies measured by this channel as a fraction of the beam energy |
xhigh |
PHOTON_BEAM/fixed_array/timewalk_correction - 220 rows
A | parameters for per-channel timewalk correction |
B | |
C | |
D | |
E |
Pair Spectrometer
Coarse-grained PS:
PHOTON_BEAM/pair_spectrometer/tdc_timing_offsets
1-16 | timing offset, t0 (ps) |
PHOTON_BEAM/pair_spectrometer/adc_timing_offsets
1-16 | timing offset, t0 (ps) |
PHOTON_BEAM/pair_spectrometer/adc_gain_factor
1-16 | gain correction factors |
PHOTON_BEAM/pair_spectrometer/gate_threshold
PHOTON_BEAM_PS_GATE_THRESHOLD | gating threshold for coincidence between fine-grained and coarse-grained PS |
Fine-grained PS:
None
Total Absorption Counter
PHOTON_BEAM/TAC/timing_offsets
1-8 | timing offset, t0 (ps) |
PHOTON_BEAM/TAC/gain_factor
1-8 | gain correction factors |
PHOTON_BEAM/TAC/timewalk_correction - 8 rows
A | parameters for per-channel timewalk correction |
B | |
C | |
D | |
E |