MAPMT Characterization

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Summary: The DIRC MAPMT modules were characterized using the dedicated laser test setup provided by the Hall B RICH group. The goal of the studies is to characterize the gain, efficiency and timing resolution for each pixel.

Data location

/mss/halld/detectors/DIRC/MAPMT_test/load_NN_DIRC_Module1_Module2/DIRC_Module_PMT1_PMT2_PMT3_DATE/

Analysis code

GitHub repository for decoding binary files, analyzing timewalk correction and fitting ADC spectra.

Introduction on the Calibration

Calibration Manual ADC spectrum model reference

Ongoing studies

Timing resolution

Detection efficiency