A python module to read LHE files.
Project description
lhereader
A Python module to read LHE files. Originally by diptaparna, significantly rewritten by me. No dependency on ROOT, requires python version >= 3.6.
Usage example:
import numpy as np
from lhereader import LHEReader
reader = LHEReader('path/to/file.lhe')
# Mediator mass in each event
mmed = []
counter = 0
for iev, event in enumerate(reader):
# Find DM particles
dm = filter(lambda x: abs(x.pdgid)== 52, event.particles)
# Sum over all DM four-momenta in the event
combined_p4 = None
for p4 in map(lambda x: x.p4(), dm):
if combined_p4:
combined_p4 += p4
else:
combined_p4 = p4
mmed.append(combined_p4.mass)
print(f'Mean mediator mass: {np.mean(mmed)}')
print(f'Median mediator mass: {np.median(mmed)}')
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