Calibration  Time over Threshold distribution

ID:  C13 in LAT-MD-00446-04

Description:  Time response of  GTRC chip from input charge from a  minimum ionizing particle.

Software required:  SAS

Algorithm:  Select at least 1000 events containing  on axis ( < 5 deg with respect to LAT Z axis) single-track  muons and histogram the  time distribution for every TKR layer where time is converted from counts to microseconds. Fit distributions with a Landau curve and record the most probable and the fitted sigma values.

Output data format:

* View 0 (1)  is defined as a the measured X (Y) coordinate.

Output ASCII file: c13em.txt

Root Macro: c13em.c

Python script:  non applicable

Example of output distributions: c13em.jpeg

Notes: The correct conversion factor from counts to nanoseconds  was not used. New value will be implemented whenever available.