ECLBkg.py

#!/usr/bin/env python3
# -*- coding: utf-8 -*-
 
 
 
 
 
"""
<header>
<output>ECLBkgOutput.root</output>
<contact>Elisa Manoni, elisa.manoni@pg.infn.it</contact>
</header>
"""
 
import os
import basf2 as b2
import glob
from simulation import add_simulation
from reconstruction import add_reconstruction
 
# Create paths
main = b2.create_path()
 
# Event setting and info
eventinfosetter = b2.register_module('EventInfoSetter')
eventinfosetter.param({'evtNumList': [1000], 'runList': [1]})
main.add_module(eventinfosetter)
 
# pGun is used as artifact, otherwise FullSim will complain that no MCParticles Array is available
pGun = b2.register_module('ParticleGun')
param_pGun = {
    'pdgCodes': [2212],
    'nTracks': 1,
    'momentumGeneration': 'fixed',
    'momentumParams': [0.0],
    'thetaGeneration': 'fixed',
    'thetaParams': [0.],
    'phiGeneration': 'fixed',
    'phiParams': [0., ],
    'vertexGeneration': 'fixed',
    'xVertexParams': [0.0, 0.0],
    'yVertexParams': [0.0, 0.0],
    'zVertexParams': [0.0, 0.0],
}
pGun.param(param_pGun)
main.add_module(pGun)
 
# Fixed random seed
b2.set_random_seed(123456)
 
# bg = None
if 'BELLE2_BACKGROUND_DIR' in os.environ:
    bg = glob.glob(os.environ['BELLE2_BACKGROUND_DIR'] + '/*.root')
else:
    print('Warning: variable BELLE2_BACKGROUND_DIR is not set')
b2.B2INFO('Using background samples from ' + os.environ['BELLE2_BACKGROUND_DIR'])
 
add_simulation(main, bkgfiles=bg)
add_reconstruction(main)
 
# eclDataAnalysis module
ecldataanalysis = b2.register_module('ECLDataAnalysis')
ecldataanalysis.param('rootFileName', '../ECLBkgOutput.root')
ecldataanalysis.param('doTracking', 1)
main.add_module(ecldataanalysis)
 
b2.process(main)
# print(statistics)