Calibration: CAL Pedestals

ID:  C18  in LAT-MD-00446-04

Description:   Pedestals correspond to an ADC output for zero input to front-end electronics (FEE).  There is a pedestal value per energy range of each crystal face. Each pedestal is characterized by a centroid and a width of a distribution of a given (TBD) number of triggers. Since there are two diodes in each of the two crystal faces, we will have eight pedestal distributions per crystal. A combination of Tower, Column and Layer uniquely identifies a crystal, so crystal numbers vary from 0 to 95 and should also be present in the database.

Software required:  SAS

Algorithm:  To be Written by CAL.

Output data format:   

 

Tower

Column

Layer

Face

Range

ADC value

 

 

 

 

 

 

Ped

Width

 

0

0-11

0-7

0-1

0-3

0-1000

0-100

Type

int

Int

Int

int

Int

float

float

Output ASCII file: To be written by CAL

Root Macro: To be written by CAL

Python script:To be written by CAL

Example of output distributions: To be written by CAL

Notes: