eclCreateTimeWalkParams.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
 
 
 
import ROOT
from ROOT import Belle2
 
"""
Create the payload with the object of ECLTimeWalkCorrection class.
This payload is used for energy-depented time correction in eclDigitCalibrator module.
"""
 
FIRST_EXP = 0
FIRST_RUN = 0
LAST_EXP = -1
LAST_RUN = -1
DBOBJECT_NAME = 'ECLTimeWalkCorrection'
 
 
def main():
    """
    """
    # Initial set of parameters.
    # params = [0, 88449., 0.20867E+06, 3.1482, 7.4747, 1279.3]
    # Parameters recalculated with exp 24 data.
    params = [-1.966, 46350., 264600., 1.813, 7.532, 428.3]
 
    vec_params = ROOT.std.vector('double')()
    vec_params += params
 
    payload = Belle2.ECLTimeWalkCorrection()
    payload.setParams(vec_params)
 
    db = Belle2.Database.Instance()
    iov = Belle2.IntervalOfValidity(FIRST_EXP, FIRST_RUN, LAST_EXP, LAST_RUN)
    db.storeData(DBOBJECT_NAME, payload, iov)
 
 
if __name__ == '__main__':
    main()