#!/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. #
##########################################################################
"""(Semi-)Leptonic Working Group Skim list building functions for semi-leptonic analyses.
"""
import basf2 as b2
import modularAnalysis as ma
from skim.standardlists.charm import (loadKForBtoHadrons, loadPiForBtoHadrons,
loadStdD0, loadStdDplus, loadStdDstar0,
loadStdDstarPlus, loadPiSkimHighEff,
loadKSkimHighEff, loadSlowPi,
loadSkimHighEffD0_Kpi, loadSkimHighEffDstarPlus_D0pi_Kpi,
loadSkimHighEffD0_Kpipipi, loadSkimHighEffDstarPlus_D0pi_Kpipipi,
loadStdD0_eff20_Kpipi0, loadStdDstarPlus_D0pi_Kpipi0_eff20)
from skim.standardlists.lightmesons import loadStdPi0ForBToHadrons
from skim import BaseSkim, fancy_skim_header
from stdCharged import stdE, stdK, stdMu, stdPi
from stdPhotons import stdPhotons
from stdPi0s import stdPi0s
from stdV0s import stdKshorts
from variables import variables as vm
# from ROOT import Belle2
__liaison__ = "Shanette De La Motte <shanette.delamotte@adelaide.edu.au>"
_VALIDATION_SAMPLE = "mdst14.root"
[docs]@fancy_skim_header
class PRsemileptonicUntagged(BaseSkim):
"""
Reconstructed decay modes:
* :math:`B^0 \\to \\pi^- e^+`
* :math:`B^0 \\to \\pi^- \\mu^+`
Event-level cuts:
* :math:`\\text{foxWolframR2} < 0.5` constructed using tracks with
:math:`p_T>0.1\\,\\text{GeV}` and clusters with :math:`E>0.1\\,\\text{GeV}`.
* :math:`n_{\\text{tracks}} > 4`
Cuts on electrons:
* :math:`\\text{electronID} > 0.5`
* :math:`p > 1.5\\,\\text{GeV}` in CMS frame
Cuts on muons:
* :math:`\\text{muonID} > 0.5`
* :math:`p > 1.5\\,\\text{GeV}` in CMS frame
Cuts on pions:
* :math:`\\text{pionID}>0.5`
* :math:`\\text{muonID}<0.2`
* :math:`0.060\\,\\text{GeV}<p<0.220\\,\\text{GeV}` in CMS frame
Cuts on partially reconstructed :math:`B` mesons:
* :math:`\\cos\\theta_{\\ell,\\,\\pi}<0` in CMS frame.
"""
__authors__ = ["Lucien Cremaldi", "Racha Cheaib", "Romulus Godang"]
__description__ = "Skim for partial reconstruction analysis in leptonic group."
__contact__ = __liaison__
__category__ = "physics, semileptonic"
ApplyHLTHadronCut = False
validation_sample = _VALIDATION_SAMPLE
[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):
ma.cutAndCopyList("pi+:PRSL_eventshape", "pi+:all",
cut="pt> 0.1", path=path)
ma.fillParticleList(decayString="gamma:PRSL_eventshape",
cut="E > 0.1", path=path)
ma.buildEventShape(inputListNames=["pi+:PRSL_eventshape", "gamma:PRSL_eventshape"],
allMoments=False,
foxWolfram=True,
harmonicMoments=False,
cleoCones=False,
thrust=False,
collisionAxis=False,
jets=False,
sphericity=False,
checkForDuplicates=False,
path=path)
path = self.skim_event_cuts("foxWolframR2<0.5 and nTracks>4", path=path)
ma.cutAndCopyList("e+:PRSemileptonic_1", "e+:all",
"useCMSFrame(p) > 1.50 and electronID > 0.5", path=path)
ma.cutAndCopyList("mu+:PRSemileptonic_1", "mu+:all",
"useCMSFrame(p) > 1.50 and muonID > 0.5", path=path)
ma.cutAndCopyList("pi-:PRSemileptonic_1", "pi-:all",
"pionID>0.5 and muonID<0.2 and 0.060<useCMSFrame(p)<0.220", path=path)
ma.cutAndCopyList("e+:PRSemileptonic_2", "e+:all",
"0.600 < useCMSFrame(p) <= 1.50 and electronID > 0.5", path=path)
ma.cutAndCopyList("mu+:PRSemileptonic_2", "mu+:all",
"0.350 < useCMSFrame(p) <= 1.50 and muonID > 0.5", path=path)
ma.cutAndCopyList("pi-:PRSemileptonic_2", "pi-:all",
"pionID>0.5 and muonID<0.2 and 0.060<useCMSFrame(p)<0.160", path=path)
ma.reconstructDecay("B0:PRSemileptonic_1 -> pi-:PRSemileptonic_1 e+:PRSemileptonic_1",
"useCMSFrame(cos(daughterAngle(0,1)))<0.00", 1, path=path)
ma.reconstructDecay("B0:PRSemileptonic_2 -> pi-:PRSemileptonic_1 mu+:PRSemileptonic_1",
"useCMSFrame(cos(daughterAngle(0,1)))<0.00", 2, path=path)
ma.reconstructDecay("B0:PRSemileptonic_3 -> pi-:PRSemileptonic_2 e+:PRSemileptonic_2",
"useCMSFrame(cos(daughterAngle(0,1)))<1.00", 3, path=path)
ma.reconstructDecay("B0:PRSemileptonic_4 -> pi-:PRSemileptonic_2 mu+:PRSemileptonic_2",
"useCMSFrame(cos(daughterAngle(0,1)))<1.00", 4, path=path)
return ["B0:PRSemileptonic_1", "B0:PRSemileptonic_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.copyLists('B0:all', self.SkimLists, path=path)
ma.buildRestOfEvent('B0:all', path=path)
ma.appendROEMask('B0:all', 'basic',
'pt>0.05 and dr<2 and -4.0<dz<4.0',
'E>0.05',
path=path)
vm.addAlias('d0_p', 'daughter(0, p)')
vm.addAlias('d1_p', 'daughter(1, p)')
vm.addAlias('MissM2', 'weMissM2(basic,0)')
histogramFilename = f'{self}_Validation.root'
create_validation_histograms(
rootfile=histogramFilename,
particlelist='B0:all',
variables_1d=[
('Mbc', 100, 4.0, 5.3, 'Mbc', __liaison__, '', ''),
('d0_p', 100, 0, 0.3, 'Signal-side pion momentum', __liaison__, '', ''),
('d1_p', 100, 1, 4, 'Signal-side lepton momentum', __liaison__, '', ''),
('MissM2', 100, -5, 5, 'Missing mass squared', __liaison__, '', '')
],
variables_2d=[('deltaE', 100, -5, 5, 'Mbc', 100, 4.0, 5.3, 'Mbc vs deltaE', __liaison__, '', '')],
path=path)
[docs]@fancy_skim_header
class SLUntagged(BaseSkim):
"""
Cuts applied:
* :math:`p_{\\ell} > 0.35\\,\\text{GeV}`
* :math:`5.24 < M_{\\text{bc}} < 5.29`
* :math:`|\\Delta E | < 0.5`
* :math:`n_{\\text{tracks}} > 4`
Reconstructed decays:
* :math:`B^+ \\to \\overline{D}^{0} e^+`
* :math:`B^+ \\to \\overline{D}^{0} \\mu^+`
* :math:`B^+ \\to \\overline{D}^{*0} e^+`
* :math:`B^+ \\to \\overline{D}^{*0} \\mu^+`
* :math:`B^0 \\to D^{-} e^+`
* :math:`B^0 \\to D^{-} \\mu^+`
* :math:`B^0 \\to D^{*-} e^+`
* :math:`B^0 \\to D^{*-} \\mu^+`
"""
__authors__ = ["Phillip Urquijo", "Racha Cheaib"]
__description__ = (
"Skim for semileptonic decays, :math:`B` decays "
"(:math:`B \\to D \\ell\\nu`, where :math:`\\ell=e,\\mu`)"
)
__contact__ = __liaison__
__category__ = "physics, semileptonic"
ApplyHLTHadronCut = False
validation_sample = _VALIDATION_SAMPLE
[docs] def load_standard_lists(self, path):
stdE("all", path=path)
stdK("all", path=path)
stdMu("all", path=path)
stdPi("all", path=path)
stdPi("loose", path=path)
stdPhotons("loose", path=path)
stdPi0s("eff40_May2020", path=path)
stdKshorts(path=path)
loadStdPi0ForBToHadrons(path=path)
loadPiForBtoHadrons(path=path)
loadKForBtoHadrons(path=path)
loadStdD0(path=path)
loadStdDstar0(path=path)
loadStdDplus(path=path)
loadStdDstarPlus(path=path)
[docs] def build_lists(self, path):
path = self.skim_event_cuts("nTracks > 4", path=path)
ma.cutAndCopyList("e+:SLUntagged", "e+:all", "p>0.35", True, path=path)
ma.cutAndCopyList("mu+:SLUntagged", "mu+:all", "p>0.35", True, path=path)
Bcuts = "5.24 < Mbc < 5.29 and abs(deltaE) < 0.5"
BplusChannels = ["anti-D0:all e+:SLUntagged",
"anti-D0:all mu+:SLUntagged",
"anti-D*0:all e+:SLUntagged",
"anti-D*0:all mu+:SLUntagged"
]
B0Channels = ["D-:all e+:SLUntagged",
"D-:all mu+:SLUntagged",
"D*-:all e+:SLUntagged",
"D*-:all mu+:SLUntagged"
]
bplusList = []
for chID, channel in enumerate(BplusChannels):
ma.reconstructDecay(f"B+:SLUntagged_{chID} -> {channel}", Bcuts, chID, path=path)
bplusList.append(f"B+:SLUntagged_{chID}")
b0List = []
for chID, channel in enumerate(B0Channels):
ma.reconstructDecay(f"B0:SLUntagged_{chID} -> {channel}", Bcuts, chID, path=path)
b0List.append(f"B0:SLUntagged_{chID}")
return b0List + bplusList
[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.copyLists('B+:all', [lst for lst in self.SkimLists if "B+" in lst], path=path)
ma.buildRestOfEvent('B+:all', path=path)
ma.appendROEMask('B+:all', 'basic',
'pt>0.05 and -2<dr<2 and -4.0<dz<4.0',
'E>0.05',
path=path)
vm.addAlias('d1_p', 'daughter(1,p)')
vm.addAlias('MissM2', 'weMissM2(basic,0)')
histogramFilename = f'{self}_Validation.root'
create_validation_histograms(
rootfile=histogramFilename,
particlelist='B+:all',
variables_1d=[
('cosThetaBetweenParticleAndNominalB', 100, -3.0, 3.0, 'cosThetaBY', __liaison__, '', ''),
('Mbc', 100, 5.24, 5.3, 'Mbc', __liaison__, '', ''),
('d1_p', 100, 1, 4, 'Signal-side lepton momentum', __liaison__, '', ''),
('MissM2', 100, -5, 5, 'Missing mass squared', __liaison__, '', '')
],
variables_2d=[('deltaE', 100, -1, 1, 'Mbc', 100, 5.2, 5.3, 'Mbc vs deltaE', __liaison__, '', '')],
path=path)
[docs]@fancy_skim_header
class B0toDstarl_Kpi_Kpipi0_Kpipipi(BaseSkim):
"""
Cuts applied:
* ``SkimHighEff tracks thetaInCDCAcceptance AND dr < 2 AND abs(dz) < 5 AND PID>=0.01``
* ``slowPi tracks thetaInCDCAcceptance AND dr < 2 AND abs(dz) < 5 AND useCMSFrame(p) < 0.4``
* :math:`2.5 > p_{\\ell} > 1.1\\,\\text{GeV}`
* ``lepton with abs(dr) < 0.5 AND abs(dz) < 2 AND thetaInCDCAcceptance AND ID >= 0.95 AND 1.1 < useCMSFrame(p) < 2.5``
* ``1.8 < M_D0 < 2.0``
* ``DM_Dstar_D < 0.16``
Reconstructed decays:
* :math:`B^{0}\\to D^{*-} (D^{0} \\to K^+ \\pi^-) e^+`,
* :math:`B^{0}\\to D^{*-} (D^{0} \\to K^+ \\pi^- \\pi^0) e^+`,
* :math:`B^{0}\\to D^{*-} (D^{0} \\to K^+ \\pi^- \\pi^- \\pi^+) e^+`,
* :math:`B^{0}\\to D^{*-} (D^{0} \\to K^+ \\pi^-) mu^+`,
* :math:`B^{0}\\to D^{*-} (D^{0} \\to K^+ \\pi^- \\pi^0) mu^+`,
* :math:`B^{0}\\to D^{*-} (D^{0} \\to K^+ \\pi^- \\pi^- \\pi^+) mu^+`,
Note:
This skim uses `skim.standardlists.charm.loadSkimHighEffD0_Kpi`,
`skim.standardlists.charm.loadSkimHighEffD0_Kpipipi` and
`skim.standardlists.charm.loadStdD0_eff20_Kpipi0`, where :math:`D^0`
channel is defined.
`skim.standardlists.charm.loadSkimHighEffDstarPlus_D0pi_Kpi`,
`skim.standardlists.charm.loadSkimHighEffDstarPlus_D0pi_Kpipipi`,
`skim.standardlists.charm.loadStdDstarPlus_D0pi_Kpipi0_eff20`,where the
:math:`D^{*-}` channel is defined.
The pion and kaon lists used to define :math:`D^0` and :math:`D^{*-}` are:
`skim.standardlists.charm.loadPiSkimHighEff`, `skim.standardlists.charm.loadKSkimHighEff` and
`skim.standardlists.charm.loadSlowPi`
"""
__authors__ = ["Bae Hanwook, Chiara La Licata"]
__description__ = ""
__contact__ = __liaison__
__category__ = "physics, semileptonic"
ApplyHLTHadronCut = True
produce_on_tau_samples = False # retention is very close to zero on taupair
[docs] def load_standard_lists(self, path):
stdE("all", path=path)
stdMu("all", path=path)
stdPi("all", path=path)
stdK("all", path=path)
stdPi0s("eff20_May2020", path=path)
loadPiSkimHighEff(path=path)
loadKSkimHighEff(path=path)
loadSlowPi(path=path)
loadSkimHighEffD0_Kpi(path=path)
loadSkimHighEffDstarPlus_D0pi_Kpi(path=path)
loadSkimHighEffD0_Kpipipi(path=path)
loadSkimHighEffDstarPlus_D0pi_Kpipipi(path=path)
loadStdD0_eff20_Kpipi0(path=path)
loadStdDstarPlus_D0pi_Kpipi0_eff20(path=path)
[docs] def build_lists(self, path):
ma.cutAndCopyList(
'e+:sig',
'e+:all',
'abs(dr) < 0.5 and abs(dz) < 2 and thetaInCDCAcceptance and electronID >= 0.95 and 1.1 < useCMSFrame(p) < 2.5 ',
path=path)
ma.cutAndCopyList(
'mu+:sig',
'mu+:all',
'abs(dr) < 0.5 and abs(dz) < 2 and thetaInCDCAcceptance and muonID >= 0.95 and 1.1 < useCMSFrame(p) < 2.5',
path=path)
B0_channels = ["D*-:D0_Kpi_skimhigheff e+:sig",
"D*-:D0_Kpipi0_eff20 e+:sig",
"D*-:D0_Kpipipi_skimhigheff e+:sig",
"D*-:D0_Kpi_skimhigheff mu+:sig",
"D*-:D0_Kpipi0_eff20 mu+:sig",
"D*-:D0_Kpipipi_skimhigheff mu+:sig"]
B0_list = []
for chID, channel in enumerate(B0_channels):
ma.reconstructDecay("B0:Dstl_kpi_kpipi0_kpipipi" + str(chID) + " -> " + channel, "", chID, path=path)
B0_list.append("B0:Dstl_kpi_kpipi0_kpipipi" + str(chID))
return B0_list
# new SLskim
[docs]@fancy_skim_header
class BtoDl_and_ROE_e_or_mu_or_lowmult(BaseSkim):
"""
Reconstructed decay modes:
* :math:`B^- \\to D^0 e^-`, :math:`B^- \\to D^0 \\mu^-`
* anti-:math:`B^0 \\to D^+ e^-`, anti-:math:`B^0 \\to D^+ \\mu^-`
* anti-:math:`B^0 \\to D^{*+}(D^0 \\pi^+) e^-`, anti-:math:`B^0 \\to D^{*+}(D^0 \\pi^+) \\mu^-`
Additional ROE cuts:
* The logical OR of the following:
* identified :math:`e^{\\pm}` with :math:`p(CM) < 3.0` GeV
* identified :math:`\\mu^{\\pm}` with :math:`p(CM) < 3.0` GeV
* identified :math:`\\gamma` with :math:`E(CM) > 1.4` GeV
* Two or fewer charged tracks
* :math:`E_{ECL} < 2.0` GeV
Cuts on electrons:
* :math:`\\text{electronID} > 0.3`
* :math:`p_t > 0.3\\,\\text{GeV}` in lab frame, :math:`p > 0.5\\,\\text{GeV}` in lab frame
* :math:`dr < 0.5`, :math:`|dz| < 2`
* :math:`\\text{thetaInCDCAcceptance}`
Cuts on muons:
* :math:`\\text{muonID} > 0.9`
* :math:`p_t > 0.4\\,\\text{GeV}` in lab frame, :math:`p > 0.7\\,\\text{GeV}` in lab frame
* :math:`dr < 0.5`, :math:`|dz| < 2`
Charged mask for ROE:
* :math:`p_t>0.05\\,\\text{GeV}`
* :math:`dr < 5\\,\\text{cm}`, :math:`|dz| < 10\\,\\text{cm}`
ECL cluster mask for ROE:
* :math:`\\text{clusterNHits}>1.5`, :math:`\\theta` in CDC acceptance
* :math:`E>0.080,\\text{GeV}`
"""
__authors__ = ["Bob Kowalewski"]
__description__ = "Skim for semileptonic tags with an ROE electron, muon, photon or a low-multiplicity signal decay"
__contact__ = __liaison__
__category__ = "physics, semileptonic"
ApplyHLTHadronCut = True
TestSampleProcess = "charged"
validation_sample = _VALIDATION_SAMPLE
[docs] def load_standard_lists(self, path):
stdKshorts(path=path)
[docs] def build_lists(self, path):
eIDCut = "electronID > 0.3"
muIDCut = "muonID > 0.9"
ePCut = "p > 0.5"
ePtCut = "pt > 0.3"
muPCut = "p > 0.7"
muPtCut = "pt > 0.4"
lepTrkCuts = "dr < 0.5 and abs(dz) < 2"
hadTrkCuts = "dr < 2.0 and abs(dz) < 4"
gammaCuts = "[clusterNHits>1.5] and thetaInCDCAcceptance"
gammaECuts = "[[clusterReg==1 and E>0.025] or [clusterReg==2 and E>0.025] or [clusterReg==3 and E>0.040]]"
cleanMask = ('cleanMask', 'pt>0.05 and dr < 5 and abs(dz) < 10',
f'{gammaCuts} and E>0.080 and minC2TDist>20.0 and abs(clusterTiming)<200')
gammaSignalECut = "1.4"
BSLRecoCut = "InvM > 2.5 and cosBY > -3.0 and cosBY < 1.5"
BSLSkimCut = f"e_ROE_pCM < 3.0 or mu_ROE_pCM < 3.0 or gamma_ROE_ECM > {gammaSignalECut}" +\
" or nROE_Ch < 2.5 or E_extra_ROE < 1.6"
vm.addAlias('pCM', 'useCMSFrame(p)')
vm.addAlias('ECM', 'useCMSFrame(E)')
vm.addAlias('cosBY', 'cosThetaBetweenParticleAndNominalB')
# electrons and muons
ma.fillParticleList("e-:sig", f"{lepTrkCuts} and thetaInCDCAcceptance and {ePtCut} and {ePCut}", path=path)
ma.applyCuts('e-:sig', eIDCut, path=path)
ma.fillParticleList("mu-:sig", f"{muIDCut} and {lepTrkCuts} and {muPtCut} and {muPCut}", path=path)
total_leptons = "formula( nParticlesInList(e-:sig) + nParticlesInList(mu-:sig) )"
# don't waste time if there are no leptons
path = self.skim_event_cuts(f"{total_leptons} > 0", path=path)
# charged K and pi candidates
ma.fillParticleList("K-:BtoDl", f"binaryPID(321,211) > 0.1 and {hadTrkCuts} and thetaInCDCAcceptance and pt>0.1", path=path)
ma.fillParticleList(
"pi+:BtoDl",
f"binaryPID(211,321) > 0.1 and {hadTrkCuts} and thetaInCDCAcceptance and pt>0.1",
path=path)
ma.fillParticleList("pi+:slow", f"{hadTrkCuts} and thetaInCDCAcceptance and p>0.05", path=path)
# gamma and pi0 candidates
ma.fillParticleList("gamma:eff50", f'{gammaCuts} and {gammaECuts}', path=path)
ma.reconstructDecay("pi0:eff50 -> gamma:eff50 gamma:eff50", '0.114<InvM<0.150', path=path)
ma.cutAndCopyList("gamma:e90", "gamma:eff50", "E>0.090", path=path)
ma.reconstructDecay("pi0:e90 -> gamma:e90 gamma:e90", '0.118<InvM<0.148', path=path)
ma.cutAndCopyList('K_S0:good', 'K_S0:merged', cut='significanceOfDistance>2.5', path=path)
# D reconstruction - only clean modes
ma.reconstructDecay("D0:Kpi_BtoDl -> K-:BtoDl pi+:BtoDl", cut="abs(dM) < 0.025", dmID=1, path=path)
ma.rankByLowest("D0:Kpi_BtoDl", variable="abs(dM)", numBest=15, path=path)
ma.reconstructDecay("D0:KK -> K-:BtoDl K+:BtoDl", cut="abs(dM) < 0.020", dmID=2, path=path)
ma.rankByLowest("D0:KK", variable="abs(dM)", numBest=15, path=path)
ma.reconstructDecay("D0:K3pi -> K-:BtoDl pi+:BtoDl pi-:BtoDl pi+:BtoDl", cut="abs(dM) < 0.020", dmID=3, path=path)
ma.rankByLowest("D0:K3pi", variable="abs(dM)", numBest=15, path=path)
ma.reconstructDecay("D0:Kpi0pi -> K-:BtoDl pi0:e90 pi+:BtoDl", cut="abs(dM)-0.005 < 0.050", dmID=4, path=path)
ma.rankByLowest("D0:Kpi0pi", variable="abs(dM)", numBest=15, path=path)
ma.reconstructDecay("D0:piKspi -> pi+:BtoDl K_S0:good pi-:BtoDl", cut="abs(dM) < 0.020", dmID=5, path=path)
ma.rankByLowest("D0:piKspi", variable="abs(dM)", numBest=15, path=path)
ma.reconstructDecay("D0:Kspi0_BtoDl -> K_S0:good pi0:e90", cut="abs(dM)-0.005 < 0.050", dmID=6, path=path)
ma.rankByLowest("D0:Kspi0_BtoDl", variable="abs(dM)", numBest=15, path=path)
ma.copyLists("D0:sig", ['D0:Kpi_BtoDl', 'D0:KK', 'D0:K3pi', 'D0:Kpi0pi', 'D0:piKspi', 'D0:Kspi0_BtoDl'], path=path)
ma.reconstructDecay("D+:Kpipi_BtoDl -> K-:BtoDl pi+:BtoDl pi+:BtoDl", cut="abs(dM) < 0.020", dmID=1, path=path)
ma.rankByLowest("D+:Kpipi_BtoDl", variable="abs(dM)", numBest=15, path=path)
ma.reconstructDecay("D+:Kspi_BtoDl -> K_S0:good pi+:BtoDl", cut="abs(dM) < 0.020", dmID=2, path=path)
ma.rankByLowest("D+:Kspi_BtoDl", variable="abs(dM)", numBest=15, path=path)
ma.reconstructDecay("D+:KKpi -> K-:BtoDl K+:BtoDl pi+:BtoDl", cut="abs(dM) < 0.015", dmID=3, path=path)
ma.rankByLowest("D+:KKpi", variable="abs(dM)", numBest=15, path=path)
ma.copyLists("D+:sig", ['D+:Kpipi_BtoDl', 'D+:Kspi_BtoDl', 'D+:KKpi'], path=path)
# No explicit reconstruction of D*0 to D0 pi0/gamma or D*+ to D0 pi+ (included in feeddown)
ma.reconstructDecay("D*+:D0 -> pi+:slow D0:sig", cut="abs(dQ) < 0.0035", dmID=11, path=path)
ma.rankByLowest("D*+:D0", variable="abs(dQ)", numBest=15, path=path)
ma.copyLists("D*+:sig", ['D*+:D0'], path=path)
# B reconstruction. Use wide cut on cosThetaBY.
ma.reconstructDecay('anti-B0:Dpe -> e-:sig D+:sig ?nu ', BSLRecoCut, dmID=200, path=path)
ma.reconstructDecay('anti-B0:Dpmu -> mu-:sig D+:sig ?nu ', BSLRecoCut, dmID=201, path=path)
ma.copyLists('anti-B0:Dpl', ['anti-B0:Dpe', 'anti-B0:Dpmu'], path=path)
ma.rankByHighest('anti-B0:Dpl', variable='InvM', numBest=9, path=path)
ma.reconstructDecay('anti-B0:Dspe -> e-:sig D*+:sig ?nu ', BSLRecoCut, dmID=100, path=path)
ma.reconstructDecay('anti-B0:Dspmu -> mu-:sig D*+:sig ?nu ', BSLRecoCut, dmID=101, path=path)
ma.copyLists('anti-B0:Dspl', ['anti-B0:Dspe', 'anti-B0:Dspmu'], path=path)
ma.rankByHighest('anti-B0:Dspl', variable='InvM', numBest=9, path=path)
ma.reconstructDecay('B-:D0e -> e-:sig D0:sig ?nu ', BSLRecoCut, dmID=400, path=path)
ma.reconstructDecay('B-:D0mu -> mu-:sig D0:sig ?nu ', BSLRecoCut, dmID=401, path=path)
ma.copyLists('B-:D0l', ['B-:D0e', 'B-:D0mu'], path=path)
ma.rankByHighest('B-:D0l', variable='InvM', numBest=9, path=path)
# main SL B lists
ma.copyLists('B-:SL', ['B-:D0l'], path=path)
ma.copyLists('anti-B0:SL', ['anti-B0:Dspl', 'anti-B0:Dpl'], path=path)
# Build ROE and look for e-, mu-, charged multiplicity and E_ECL
for Btype in ['B-:SL', 'anti-B0:SL']:
roe_path = b2.create_path()
deadEndPath = b2.create_path()
# Execute the filter module:
ma.buildRestOfEvent(Btype, fillWithMostLikely=True, path=path)
ma.appendROEMasks(Btype, [cleanMask], path=path)
ma.signalSideParticleFilter(Btype, '', roe_path, deadEndPath)
ma.fillParticleList(
"e-:roeB",
f"isInRestOfEvent == 1 and {eIDCut} and {lepTrkCuts} and thetaInCDCAcceptance and {ePtCut} and {ePCut}",
path=roe_path)
ma.fillParticleList(
"mu-:roeB",
f"isInRestOfEvent == 1 and {muIDCut} and {lepTrkCuts} and {muPtCut} and {muPCut}",
path=roe_path)
ma.fillParticleList("gamma:roeB", f'{gammaCuts} and ECM > {gammaSignalECut}', path=roe_path)
ma.rankByHighest('e-:roeB', 'pCM', numBest=1, path=roe_path)
ma.rankByHighest('mu-:roeB', 'pCM', numBest=1, path=roe_path)
ma.rankByHighest('gamma:roeB', 'ECM', numBest=1, path=roe_path)
ma.variableToSignalSideExtraInfo('e-:roeB', {'pCM': 'e_ROEB_pCM'}, path=roe_path)
ma.variableToSignalSideExtraInfo('mu-:roeB', {'pCM': 'mu_ROEB_pCM'}, path=roe_path)
ma.variableToSignalSideExtraInfo('gamma:roeB', {'ECM': 'gamma_ROEB_ECM'}, path=roe_path)
path.for_each('RestOfEvent', 'RestOfEvents', path=roe_path)
vm.addAlias('e_ROE_pCM', 'extraInfo(e_ROEB_pCM)')
vm.addAlias('mu_ROE_pCM', 'extraInfo(mu_ROEB_pCM)')
vm.addAlias('gamma_ROE_ECM', 'extraInfo(gamma_ROEB_ECM)')
vm.addAlias('nROE_Ch', 'nROE_Charged(cleanMask)')
vm.addAlias('E_extra_ROE', 'useCMSFrame(roeEextra(cleanMask))')
# Only keep events whose ROE has an extra e or mu, or Ntrk<3, or E_ECL<2.0 GeV
ma.applyCuts('B-:SL', f'passesCut({BSLSkimCut})', path=path)
ma.applyCuts('anti-B0:SL', f'passesCut({BSLSkimCut})', path=path)
b_sl_list = ['B-:SL', 'anti-B0:SL']
return b_sl_list
[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
vm.addAlias('d0_p', 'daughter(0, p)')
vm.addAlias('d1_p', 'daughter(1, p)')
histogramFilename = f'{self}_Validation.root'
create_validation_histograms(
rootfile=histogramFilename,
particlelist='B-:SL',
variables_1d=[
('cosBY', 90, -3.0, 1.5, 'cosThetaBY', __liaison__,
'Cosine of angle between the reconstructed B and the nominal B', '',
'cos#theta_{BY}', 'Candidates'),
('InvM', 100, 2.5, 5.3, 'M(D(*)+l)', __liaison__,
'Invariant mass distribution of D(*)l system', '', 'm(D(*)l) [GeV]', 'Candidates / 28 MeV'),
('useCMSFrame(d0_p)', 100, 0, 3.0, 'Tag lepton momentum in CMS', __liaison__,
'Momentum of tag-side lepton in CMS', '', 'p(l) [GeV]', 'Candidates / 30 MeV'),
('useCMSFrame(d1_p)', 100, 0, 3.0, 'Tag D(*) momentum in CMS', __liaison__,
'Momentum of tag-side D(*) meson in CMS', '', 'p(D(*)) [GeV]', 'Candidates / 30 MeV'),
('e_ROE_pCM', 100, 0, 3.0, 'ROE e momentum in CMS', __liaison__,
'Momentum of highest-momentum ROE electron in CMS', '', 'p(e) [GeV]', 'Candidates / 30 MeV'),
('mu_ROE_pCM', 100, 0, 3.0, 'ROE mu momentum in CMS', __liaison__,
'Momentum of highest-momentum ROE muon in CMS', '', 'p($\\mu$) [GeV]', 'Candidates / 30 MeV'),
('gamma_ROE_ECM', 100, 0, 5.0, 'ROE gamma energy in CMS', __liaison__,
'Energy of most-energetic ROE photon', '', 'E($\\gamma$) [GeV]', 'Candidates / 50 MeV'),
('nROE_Ch', 20, 0, 20.0, 'N(trk) in ROE', __liaison__,
'Number of tracks in ROE', '', 'tracks', 'Candidates'),
('E_extra_ROE', 100, 0, 2.5, 'E_ECL (CMS) in ROE', __liaison__,
'Extra energy in ROE', '', 'E_{extra} [GeV]', 'Candidates / 25 MeV'),
],
path=path)
