#!/usr/bin/env python3
# -*- coding: utf-8 -*-
##########################################################################
# basf2 (Belle II Analysis Software Framework) #
# Author: The Belle II Collaboration #
# #
# See git log for contributors and copyright holders. #
# This file is licensed under LGPL-3.0, see LICENSE.md. #
##########################################################################
"""
Skim list building functions for EWP inclusive skims:
B->Xgamma, B->Xll, B->Xll (LFV modes)
"""
import modularAnalysis as ma
from skim import BaseSkim, fancy_skim_header
from stdCharged import stdE, stdK, stdMu, stdPi
from stdPhotons import stdPhotons
__liaison__ = "Ihor Prudiiev <Ihor.Prudiiev@ijs.si>"
_VALIDATION_SAMPLE = "mdst16.root"
[docs]
@fancy_skim_header
class BtoXgamma(BaseSkim):
"""
Reconstructed decay modes:
* :math:`B^+ \\to X\\gamma` inclusive
Event-level cuts:
* :math:`\\text{foxWolframR2} < 0.7` constructed using tracks with
:math:`p_T>0.1\\,\\text{GeV}` and clusters with :math:`E>0.1\\,\\text{GeV}`.
* :math:`n_{\\text{tracks}} \\geq 3`
Cuts on photons:
* :math:`\\text{clusterE9E21}>0.9`
* :math:`1.4\\,\\text{GeV}< E_{\\gamma}<3.4\\,\\text{GeV}` in CMS frame
"""
__authors__ = ["Trevor Shillington"]
__description__ = ":math:`B\\to X\\gamma` inclusive skim."
__contact__ = __liaison__
__category__ = "physics, electroweak penguins, radiative decays"
validation_sample = _VALIDATION_SAMPLE
ApplyHLTHadronCut = False
[docs]
def load_standard_lists(self, path):
stdPi("all", path=path)
stdPhotons("loose", path=path)
[docs]
def build_lists(self, path):
"""Build the skim list for :math:`B \\to X\\gamma` decays."""
# event level cuts: R2 and require a minimum number of tracks + decent photons
ma.fillParticleList(decayString='pi+:BtoXgamma_eventshape', cut='pt > 0.1', path=path)
ma.fillParticleList(decayString='gamma:BtoXgamma_eventshape', cut='E > 0.1', path=path)
# Event cleanup
Event_cleanup = "nCleanedTracks(abs(dr) < 0.5 and abs(dz) < 2) >= 3"
ma.buildEventShape(inputListNames=['pi+:BtoXgamma_eventshape', 'gamma:BtoXgamma_eventshape'],
allMoments=False,
foxWolfram=True,
harmonicMoments=False,
cleoCones=False,
thrust=False,
collisionAxis=False,
jets=False,
sphericity=False,
checkForDuplicates=False,
path=path)
# Apply event cuts R2 < 0.7
path = self.skim_event_cuts(f'{Event_cleanup} and foxWolframR2 < 0.7', path=path)
# Apply gamma cuts clusterE9E21 > 0.9 and 1.4 < E_gamma < 3.4 GeV (in CMS frame)
ma.cutAndCopyList('gamma:ewp_BtoXgamma', 'gamma:loose', 'clusterE9E21 > 0.9 and 1.4 < useCMSFrame(E) < 3.4', path=path)
ma.reconstructDecay('B+:gamma -> gamma:ewp_BtoXgamma', '', path=path, allowChargeViolation=True)
return ['B+:gamma']
[docs]
def validation_histograms(self, path):
# NOTE: the validation package is not part of the light releases, so this import
# must be made here rather than at the top of the file.
from validation_tools.metadata import create_validation_histograms
histogram_filename = f'{self}_Validation.root'
stdK('all', path=path)
stdPhotons('cdc', path=path)
ma.cutAndCopyList('gamma:sig_btxg', 'gamma:cdc', 'clusterNHits > 1.5 and E > 1.5', True, path)
ma.reconstructDecay('K*0:sig_btxg -> K+:all pi-:all', '0.6 < M < 1.6', path=path)
ma.reconstructDecay('B0:sig_btxg -> K*0:sig_btxg gamma:sig_btxg', '5.22 < Mbc < 5.3 and abs(deltaE)< .5', path=path)
# the variables that are printed out are: Mbc and deltaE
create_validation_histograms(
rootfile=histogram_filename,
particlelist='B0:sig_btxg',
variables_1d=[
('Mbc', 100, 5.2, 5.3, 'Signal B0 Mbc', __liaison__,
'Mbc of the signal B0', '', 'Mbc [GeV/c^2]', 'Candidates'),
('deltaE', 100, -1, 1, 'Signal B0 deltaE', __liaison__,
'deltaE of the signal B0', '', 'deltaE [GeV]', 'Candidates')
],
variables_2d=[],
path=path)
[docs]
@fancy_skim_header
class BtoXll(BaseSkim):
"""
Reconstructed decay modes:
* :math:`B^+ \\to X e^+ e^-`
* :math:`B^+ \\to X e^+ e^+`
* :math:`B^+ \\to X \\mu^+ \\mu^-`
* :math:`B^+ \\to X \\mu^+ \\mu^+`
Event-level cuts:
* :math:`\\text{foxWolframR2} < 0.7` constructed using tracks with
:math:`p_T>0.1\\,\\text{GeV}` and clusters with :math:`E>0.1\\,\\text{GeV}`.
* :math:`n_{\\text{tracks}} \\geq 3`
Cuts on electrons:
* :math:`\\text{electronID} > 0.1`
* :math:`p > 0.395\\,\\text{GeV}` in lab frame
* :math:`dr<0.5` and :math:`abs(dz)<2`
Cuts on muons:
* :math:`\\text{muonID} > 0.5`
* :math:`p > 0.395\\,\\text{GeV}` in lab frame
* :math:`dr<0.5` and :math:`abs(dz)<2`
Cut on dilepton energy:
* :math:`E_{\\ell\\ell}>1.5\\,\\text{GeV}` in CMS frame.
"""
__authors__ = ["Trevor Shillington"]
__description__ = ":math:`B\\to X\\ell\\ell` (no LFV modes) inclusive skim."
__contact__ = __liaison__
__category__ = "physics, electroweak penguins, radiative decays"
validation_sample = _VALIDATION_SAMPLE
ApplyHLTHadronCut = False
[docs]
def load_standard_lists(self, path):
stdE("all", path=path)
stdMu("all", path=path)
stdPi("all", path=path)
stdPhotons("all", path=path)
[docs]
def build_lists(self, path):
"""Build the skim list for :math:`B \\to X\\ell\\ell` non-LFV decays."""
# event level cuts: R2 and require a minimum number of tracks
ma.fillParticleList(decayString='pi+:BtoXll_eventshape', cut='pt > 0.1', path=path)
ma.fillParticleList(decayString='gamma:BtoXll_eventshape', cut='E > 0.1', path=path)
# Event cleanup
Event_cleanup = "nCleanedTracks(abs(dr) < 0.5 and abs(dz) < 2) >= 3"
ma.buildEventShape(inputListNames=['pi+:BtoXll_eventshape', 'gamma:BtoXll_eventshape'],
allMoments=False,
foxWolfram=True,
harmonicMoments=False,
cleoCones=False,
thrust=False,
collisionAxis=False,
jets=False,
sphericity=False,
checkForDuplicates=False,
path=path)
# Apply event cuts R2 < 0.7
path = self.skim_event_cuts(f'{Event_cleanup} and foxWolframR2 < 0.7', path=path)
# Apply electron cut p > 0.395 GeV, electronID > 0.1 + fairTrack
# Apply muon cuts p > 0.395 GeV, muonID > 0.5 + fairTrack
fairTrack = 'dr < 0.5 and abs(dz) < 2'
ma.cutAndCopyList('e+:ewp_btxll', 'e+:all', 'p > 0.395 and electronID > 0.1 and ' + fairTrack, path=path)
ma.cutAndCopyList('mu+:ewp_btxll', 'mu+:all', 'p > 0.395 and muonID > 0.5 and ' + fairTrack, path=path)
# Apply dilepton cut E_ll > 1.5 GeV (in CMS frame)
E_dilep_cut = 'formula(daughter(0, useCMSFrame(E))+daughter(1, useCMSFrame(E))) > 1.5'
# B+ reconstruction:
# oppositely charged leptons
ma.reconstructDecay('B+:ch1 -> e+:ewp_btxll e-:ewp_btxll', E_dilep_cut, dmID=1, path=path, allowChargeViolation=True)
ma.reconstructDecay('B+:ch2 -> mu+:ewp_btxll mu-:ewp_btxll', E_dilep_cut, dmID=2, path=path, allowChargeViolation=True)
# same charge leptons
ma.reconstructDecay('B+:ch3 -> e+:ewp_btxll e+:ewp_btxll', E_dilep_cut, dmID=3, path=path, allowChargeViolation=True)
ma.reconstructDecay('B+:ch4 -> mu+:ewp_btxll mu+:ewp_btxll', E_dilep_cut, dmID=4, path=path, allowChargeViolation=True)
ma.copyLists('B+:xll', ['B+:ch1', 'B+:ch2', 'B+:ch3', 'B+:ch4'], path=path)
return ['B+:xll']
[docs]
def validation_histograms(self, path):
# NOTE: the validation package is not part of the light releases, so this import
# must be made here rather than at the top of the file.
from validation_tools.metadata import create_validation_histograms
histogram_filename = f'{self}_Validation.root'
stdK(listtype='good', path=path)
stdMu(listtype='good', path=path)
ma.reconstructDecay("B+:signal_btxll -> K+:good mu+:good mu-:good",
"Mbc > 5.2 and deltaE < 0.5 and deltaE > -0.5", path=path)
create_validation_histograms(
rootfile=histogram_filename,
particlelist='B+:signal_btxll',
variables_1d=[
('deltaE', 100, -0.5, 0.5, 'Signal B deltaE', __liaison__,
'deltaE of the Signal B', '', 'deltaE [GeV]', 'Candidates'),
('Mbc', 100, 5.2, 5.3, 'Signal B Mbc', __liaison__,
'Mbc of the signal B', '', 'Mbc [GeV/c^2]', 'Candidates')],
variables_2d=[],
path=path)
[docs]
@fancy_skim_header
class BtoXll_LFV(BaseSkim):
"""
Reconstructed decay modes:
* :math:`B^+ \\to X e^+ \\mu^-`
* :math:`B^+ \\to X \\mu^+ e^-`
* :math:`B^+ \\to X e^+ \\mu^+`
Event-level cuts:
* :math:`\\text{foxWolframR2} < 0.7` constructed using tracks with
:math:`p_T>0.1\\,\\text{GeV}` and clusters with :math:`E>0.1\\,\\text{GeV}`.
* :math:`n_{\\text{tracks}} \\geq 3`
Cuts on electrons:
* :math:`\\text{electronID} > 0.1`
* :math:`p > 0.395\\,\\text{GeV}` in lab frame
* :math:`dr<0.5` and :math:`abs(dz)<2`
Cuts on muons:
* :math:`\\text{muonID} > 0.5`
* :math:`p > 0.395\\,\\text{GeV}` in lab frame
* :math:`dr<0.5` and :math:`abs(dz)<2`
Cut on dilepton energy:
* :math:`E_{\\ell\\ell}>1.5\\,\\text{GeV}` in CMS frame.
"""
__authors__ = ["Trevor Shillington"]
__description__ = ":math:`B\\to X\\ell\\ell` (LFV modes only) inclusive skim."
__contact__ = __liaison__
__category__ = "physics, electroweak penguins, radiative decays"
ApplyHLTHadronCut = False
[docs]
def load_standard_lists(self, path):
stdE("all", path=path)
stdMu("all", path=path)
stdPi("all", path=path)
stdPhotons("all", path=path)
[docs]
def build_lists(self, path):
"""Build the skim list for :math:`B \\to X\\ell\\ell` LFV decays."""
# Create lists for buildEventShape (basically all tracks and clusters)
ma.cutAndCopyList('pi+:BtoXllLFV_eventshape', 'pi+:all', 'pt> 0.1', path=path)
ma.cutAndCopyList('gamma:BtoXllLFV_eventshape', 'gamma:all', 'E > 0.1', path=path)
# Event cleanup
Event_cleanup = "nCleanedTracks(abs(dr) < 0.5 and abs(dz) < 2) >= 3"
# buildEventShape to access R2
ma.buildEventShape(inputListNames=['pi+:BtoXllLFV_eventshape', 'gamma:BtoXllLFV_eventshape'],
allMoments=False,
foxWolfram=True,
harmonicMoments=False,
cleoCones=False,
thrust=False,
collisionAxis=False,
jets=False,
sphericity=False,
checkForDuplicates=False,
path=path)
# Apply event cuts R2 < 0.7
path = self.skim_event_cuts(f'{Event_cleanup} and foxWolframR2 < 0.7', path=path)
# Apply electron cut p > 0.395 GeV, electronID > 0.1 + fairTrack
# Apply muon cuts p > 0.395 GeV, muonID > 0.5 + fairTrack
fairTrack = 'dr < 0.5 and abs(dz) < 2'
ma.cutAndCopyList('e+:ewp_btxlllfv', 'e+:all', 'p > 0.395 and electronID > 0.1 and ' + fairTrack, path=path)
ma.cutAndCopyList('mu+:ewp_btxlllfv', 'mu+:all', 'p > 0.395 and muonID > 0.5 and ' + fairTrack, path=path)
# Apply dilepton cut E_ll > 1.5 GeV (in CMS frame)
E_dilep_cut = 'formula(daughter(0, useCMSFrame(E))+daughter(1, useCMSFrame(E))) > 1.5'
# B+ reconstruction:
# oppositely charged leptons
ma.reconstructDecay('B+:lfvch1 -> e+:ewp_btxlllfv mu-:ewp_btxlllfv',
E_dilep_cut, dmID=1, path=path, allowChargeViolation=True)
ma.reconstructDecay('B+:lfvch2 -> mu+:ewp_btxlllfv e-:ewp_btxlllfv',
E_dilep_cut, dmID=2, path=path, allowChargeViolation=True)
# same charge leptons
ma.reconstructDecay('B+:lfvch3 -> e+:ewp_btxlllfv mu+:ewp_btxlllfv',
E_dilep_cut, dmID=3, path=path, allowChargeViolation=True)
ma.copyLists('B+:lfv', ['B+:lfvch1', 'B+:lfvch2', 'B+:lfvch3'], path=path)
return ['B+:lfv']
[docs]
@fancy_skim_header
class B0TwoBody(BaseSkim):
"""
Reconstructed decays
* :math:`B^0 \\to e^+ e^-`
* :math:`B^0 \\to e^+ \\mu^-`
* :math:`B^0 \\to e^- \\mu^+`
* :math:`B^0 \\to \\mu^+ \\mu^-`
* :math:`B^0 \\to \\pi^+ \\pi^-`
Cuts applied
* :math:`n_{\\text{tracks}} \\geq 3`
* :math:`|\\delta E| < 0.5 \\text{GeV}`
* :math:`M_{bc} > 5.2 \\text{GeV}/c^2`
* :math:`dr < 0.5 \\text{cm}, |dz| < 2 \\text{cm}`
"""
__authors__ = ["Ryan Mueller and Santi Naylor"]
__contact__ = __liaison__
__description__ = "Skim for 2 body B0 decays"
__category__ = "Physics, 2 Body, no PID"
validation_sample = _VALIDATION_SAMPLE
ApplyHLTHadronCut = False
[docs]
def load_standard_lists(self, path):
stdE("all", path=path)
stdMu("all", path=path)
stdPi("all", path=path)
[docs]
def build_lists(self, path):
cut_trk = 'dr < 0.5 and abs(dz) < 2'
ma.cutAndCopyList('e+:ewp_2b', 'e+:all', cut_trk, path=path)
ma.cutAndCopyList('mu+:ewp_2b', 'mu+:all', cut_trk, path=path)
ma.cutAndCopyList('pi+:ewp_2b', 'pi+:all', cut_trk, path=path)
cut_evt = "nCleanedTracks(abs(dr) < 0.5 and abs(dz) < 2)>=3"
cut_b = "abs(deltaE) < 0.5 and Mbc > 5.2"
path = self.skim_event_cuts(cut_evt, path=path)
ma.reconstructDecay("B0:B0TwoBody_1 -> e+:ewp_2b e-:ewp_2b", cut_b, dmID=1, path=path)
ma.reconstructDecay("B0:B0TwoBody_2 -> e+:ewp_2b mu-:ewp_2b", cut_b, dmID=2, path=path)
ma.reconstructDecay("B0:B0TwoBody_3 -> e-:ewp_2b mu+:ewp_2b", cut_b, dmID=3, path=path)
ma.reconstructDecay("B0:B0TwoBody_4 -> mu-:ewp_2b mu+:ewp_2b", cut_b, dmID=4, path=path)
ma.reconstructDecay("B0:B0TwoBody_5 -> pi-:ewp_2b pi+:ewp_2b", cut_b, dmID=5, path=path)
return ['B0:B0TwoBody_1', 'B0:B0TwoBody_2', 'B0:B0TwoBody_3', 'B0:B0TwoBody_4', 'B0:B0TwoBody_5']
[docs]
def validation_histograms(self, path):
# NOTE: the validation package is not part of the light releases, so this import
# must be made here rather than at the top of the file.
from validation_tools.metadata import create_validation_histograms
ma.cutAndCopyLists("B0:B0TwoBody", "B0:B0TwoBody_5", "", path=path)
histogramFilename = f"{self}_Validation.root"
create_validation_histograms(
rootfile=histogramFilename,
particlelist="B0:B0TwoBody",
variables_1d=[
("Mbc", 100, 5.19, 5.3, "Signal B Mbc", __liaison__,
"Mbc of the Signal B", "", 'Mbc [GeV/c^2]', 'Candidates'),
("deltaE", 100, -0.5, 0.5, "Signal B deltaE", __liaison__,
"deltaE of the Signal B", "", "deltaE [GeV]", "Candidates"),
],
variables_2d=[
("deltaE", 100, -0.6, 0.6, "Mbc", 100, 5.19, 5.3, "Mbc vs deltaE", __liaison__,
"", "")
],
path=path,
)
[docs]
@fancy_skim_header
class FourLepton(BaseSkim):
"""
Reconstructed decays
* :math:`B^0 \\to e^- e^+ e^- e^+`
* :math:`B^0 \\to e^- e^+ mu^- mu^+`
Cuts applied
* :math:`n_{\\text{tracks}} \\geq 5`
* :math:`-1.5 < \\delta E < 0.5 \\text{GeV}`
* :math:`5.2 < M_{bc} < 5.3 \\text{GeV}/c^2`
* :math:`dr < 0.5 \\text{cm}, |dz| < 2 \\text{cm}`
* :math:`muonID>0.1`
* :math:`electronID>0.1`
"""
__authors__ = ["Santi Naylor and Ryan Mueller"]
__contact__ = __liaison__
__description__ = "Skim for 4 body leptonic analyses"
__category__ = "Physics, Leptonic, 4 Body"
validation_sample = _VALIDATION_SAMPLE
ApplyHLTHadronCut = False
[docs]
def load_standard_lists(self, path):
stdE("all", path=path)
stdMu("all", path=path)
[docs]
def build_lists(self, path):
cut_trk = 'dr < 0.5 and abs(dz) < 2 '
ma.cutAndCopyList('e+:ewp_4b', 'e+:all', 'pt > 0.1 and electronID > 0.1 and ' + cut_trk, path=path)
ma.cutAndCopyList('mu+:ewp_4b', 'mu+:all', 'pt > 0.1 and muonID > 0.1 and ' + cut_trk, path=path)
cut_evt = "nCleanedTracks(abs(dr) < 0.5 and abs(dz) < 2)>=5"
cut_b = "deltaE < 0.5 and deltaE > -1.5 and Mbc > 5.2 and Mbc < 5.3"
path = self.skim_event_cuts(cut_evt, path=path)
ma.reconstructDecay("B0:FourLepton_1 -> e+:ewp_4b e-:ewp_4b e+:ewp_4b e-:ewp_4b", cut_b, dmID=1, path=path)
ma.reconstructDecay("B0:FourLepton_2 -> e+:ewp_4b e-:ewp_4b mu+:ewp_4b mu-:ewp_4b", cut_b, dmID=2, path=path)
return ["B0:FourLepton_1", "B0:FourLepton_2"]
[docs]
def validation_histograms(self, path):
# NOTE: the validation package is not part of the light releases, so this import
# must be made here rather than at the top of the file.
from validation_tools.metadata import create_validation_histograms
ma.cutAndCopyLists("B0:FourLepton", "B0:FourLepton_1", "", path=path)
histogramFilename = f"{self}_Validation.root"
create_validation_histograms(
rootfile=histogramFilename,
particlelist="B0:FourLepton",
variables_1d=[
("Mbc", 100, 5.19, 5.3, "Signal B Mbc", __liaison__,
"Mbc of the Signal B", "", 'Mbc [GeV/c^2]', 'Candidates'),
("deltaE", 100, -1.5, 0.5, "Signal B deltaE", __liaison__,
"deltaE of the Signal B", "", "deltaE [GeV]", "Candidates"),
],
variables_2d=[
("deltaE", 100, -0.6, 0.6, "Mbc", 100, 5.19, 5.3, "Mbc vs deltaE", __liaison__,
"", "")
],
path=path,
)
[docs]
@fancy_skim_header
class RadiativeDilepton(BaseSkim):
"""
Reconstructed decays
* :math:`B^0 \\to e^- e^+ \\gamma`
* :math:`B^0 \\to mu^- mu^+ \\gamma`
Cuts applied
* :math:`n_{\\text{tracks}} \\geq 3`
* :math:`-1.0 < \\delta E < 0.5 \\text{GeV}`
* :math:` 5.2 < M_{bc} < 5.3 \\text{GeV}/c^2`
* :math:`dr < 0.5 \\text{cm}, |dz| < 2 \\text{cm}`
* :math:`muonID>0.1`
* :math:`electronID>0.1`
"""
__authors__ = ["Santi Naylor and Ryan Mueller"]
__contact__ = __liaison__
__description__ = "Skim for 3 body leptonic analyses "
__category__ = "Physics, Leptonic, 3 body"
validation_sample = _VALIDATION_SAMPLE
ApplyHLTHadronCut = False
[docs]
def load_standard_lists(self, path):
stdE("all", path=path)
stdMu("all", path=path)
stdPhotons("all", path=path)
[docs]
def build_lists(self, path):
cut_trk = 'dr < 0.5 and abs(dz) < 2'
ma.cutAndCopyList('e+:ewp_radll', 'e+:all', 'pt > 0.1 and electronID > 0.1 and ' + cut_trk, path=path)
ma.cutAndCopyList('mu+:ewp_radll', 'mu+:all', 'pt > 0.1 and muonID > 0.1 and ' + cut_trk, path=path)
cut_evt = "nCleanedTracks(abs(dr) < 0.5 and abs(dz) < 2)>=3"
cut_b = "deltaE < 0.5 and deltaE > -1.0 and Mbc > 5.2 and Mbc < 5.3"
path = self.skim_event_cuts(cut_evt, path=path)
ma.reconstructDecay("B0:RadiativeDilepton_1 -> e+:ewp_radll e-:ewp_radll gamma:all", cut_b, dmID=1, path=path)
ma.reconstructDecay("B0:RadiativeDilepton_2 -> mu+:ewp_radll mu-:ewp_radll gamma:all", cut_b, dmID=1, path=path)
return ["B0:RadiativeDilepton_1", "B0:RadiativeDilepton_2"]
[docs]
def validation_histograms(self, path):
# NOTE: the validation package is not part of the light releases, so this import
# must be made here rather than at the top of the file.
from validation_tools.metadata import create_validation_histograms
ma.cutAndCopyLists("B0:RadiativeDilepton", "B0:RadiativeDilepton_1", "", path=path)
histogramFilename = f"{self}_Validation.root"
create_validation_histograms(
rootfile=histogramFilename,
particlelist="B0:RadiativeDilepton",
variables_1d=[
("Mbc", 100, 5.19, 5.3, "Signal B Mbc", __liaison__,
"Mbc of the Signal B", "", 'Mbc [GeV/c^2]', 'Candidates'),
("deltaE", 100, -1.0, 0.5, "Signal B deltaE", __liaison__,
"deltaE of the Signal B", "", "deltaE [GeV]", "Candidates"),
],
variables_2d=[
("deltaE", 100, -0.6, 0.6, "Mbc", 100, 5.19, 5.3, "Mbc vs deltaE", __liaison__,
"", "")
],
path=path,
)
