TREPSGenerationOnlypipi.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
 
 
 
import basf2
from basf2 import set_log_level, LogLevel, process, statistics
from ROOT import Belle2
from beamparameters import add_beamparameters
from generators import add_treps_generator
 
set_log_level(LogLevel.DEBUG)
 
# main path
main = basf2.create_path()
 
# event info setter
main.add_module("EventInfoSetter", expList=0, runList=1, evtNumList=100000)
main.add_module("Progress")
 
# beam parameters
beamparameters = add_beamparameters(main, "Y4S")
 
# add TREPS generator
add_treps_generator(main, "e+e-pi+pi-", useDiscreteAndSortedW=False)
 
main.add_module("RootOutput", outputFileName="utrepsbpipi_100k.root")
main.add_module("PrintMCParticles", logLevel=basf2.LogLevel.INFO, onlyPrimaries=False)
 
# generate events
process(main)
 
# show call statistics
print(statistics)