BelleMCGeneration.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
 
 
 
# Generation of Belle MC.
 
import basf2
from generators import add_evtgen_generator
 
# Use B2BII local cache
basf2.conditions.metadata_providers = ["/sw/belle/b2bii/database/conditions/b2bii.sqlite"]
basf2.conditions.payload_locations = ["/sw/belle/b2bii/database/conditions/"]
 
# Use B2BII global tag.
basf2.conditions.prepend_globaltag('B2BII_MC')
 
# Path.
main = basf2.create_path()
 
# Generate for experiment 55, run 0 (run-independent MC).
main.add_module('EventInfoSetter', expList=55, runList=0, evtNumList=100)
 
# Override generation flags (allow vertex smearing).
main.add_module('OverrideGenerationFlags')
 
# Add generator.
add_evtgen_generator(path=main, finalstate='charged')
 
# Add output.
main.add_module('BelleMCOutput', outputFileName='charged.dat')
 
# Progress.
main.add_module('Progress')
 
# Generate events.
basf2.process(main)
 
# Statistics.
print(basf2.statistics)