Source code for fei.default_channels

#!/usr/bin/env python3

##########################################################################
# 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.                  #
##########################################################################

"""
 Contains some example configurations of the FEI
 Mostly you want to use get_default_channels,
 which can return the configuration for common use-cases
   - Hadronic tagging (hadronic = True)
   - Semileptonic tagging (semileptonic = True)
   - B+/B- (chargedB = True)
   - B0/anti-B0 (neutralB = True)
   - running on Belle 1 MC/data (convertedFromBelle = True)
   - running a specific FEI which is optimized for a signal selection and uses ROEs (specific = True)
   - run without semileptonic D channels (removeSLD = True )
   - B mesons with a strange quark in Y(5S) runs (strangeB = True)

 Another interesting configuration is given by get_fr_channels,
 which will return a configuration which is equivalent to the original Full Reconstruction algorithm used by Belle
"""

import b2bii
from fei import Particle, MVAConfiguration, PreCutConfiguration, PostCutConfiguration
from basf2 import B2FATAL, B2INFO


[docs]def get_default_channels( B_extra_cut=None, hadronic=True, semileptonic=True, KLong=False, baryonic=True, chargedB=True, neutralB=True, specific=False, removeSLD=False, strangeB=False): """ returns list of Particle objects with all default channels for running FEI on Upsilon(4S). For a training with analysis-specific signal selection, adding a cut on nRemainingTracksInRestOfEvent is recommended. @param B_extra_cut Additional user cut on recombination of tag-B-mesons @param hadronic whether to include hadronic B decays (default is True) @param semileptonic whether to include semileptonic B decays (default is True) @param KLong whether to include K_long decays into the training (default is False) @param baryonic whether to include baryons into the training (default is True) @param chargedB whether to recombine charged B mesons (default is True) @param neutralB whether to recombine neutral B mesons (default is True) @param specific if True, this adds isInRestOfEvent cut to all FSP @param removeSLD if True, removes semileptonic D modes from semileptonic B lists (default is False) @param strangeB if True, reconstruct B_s mesons in Upsilon5S decays (default is False) """ if strangeB is True: B2INFO('Running 5S FEI') if chargedB is False and neutralB is False and strangeB is False: B2FATAL('No B-Mesons will be recombined, since chargedB==False and neutralB==False and strangeB==False was selected!' ' Please reconfigure the arguments of get_default_channels() accordingly') if hadronic is False and semileptonic is False: if KLong is False: B2FATAL('No B-Mesons will be recombined, since hadronic==False, semileptonic==False, and KLong==False were selected.' ' Please reconfigure the arguments of get_default_channels() accordingly') convertedFromBelle = b2bii.isB2BII() if convertedFromBelle: # Using Belle specific Variables for e-ID, mu-ID and K-ID # atcPIDBelle(3,2) is used as K-ID # atcPIDBelle(4,2) and atcPIDBelle(4,3) are used as pr-ID chargedVariables = ['eIDBelle', 'atcPIDBelle(3,2)', 'atcPIDBelle(4,2)', 'atcPIDBelle(4,3)', 'muIDBelle', 'p', 'pt', 'pz', 'dr', 'dz', 'chiProb', 'extraInfo(preCut_rank)'] else: chargedVariables = ['electronID', 'kaonID', 'protonID', 'muonID', 'p', 'pt', 'pz', 'dr', 'dz', 'chiProb', 'extraInfo(preCut_rank)'] if specific: charged_user_cut = '[dr < 2] and [abs(dz) < 4] and isInRestOfEvent > 0.5' else: charged_user_cut = '[dr < 2] and [abs(dz) < 4]' pion = Particle('pi+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='pionID' if not convertedFromBelle else 'atcPIDBelle(2,3)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pion.addChannel(['pi+:FSP']) kaon = Particle('K+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='kaonID' if not convertedFromBelle else 'atcPIDBelle(3,2)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) kaon.addChannel(['K+:FSP']) proton = Particle('p+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='protonID' if not convertedFromBelle else 'atcPIDBelle(4,3)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) proton.addChannel(['p+:FSP']) electron = Particle('e+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='electronID' if not convertedFromBelle else 'eIDBelle', bestCandidateCut=10), PostCutConfiguration(bestCandidateCut=5, value=0.01)) electron.addChannel(['e+:FSP']) muon = Particle('mu+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='muonID' if not convertedFromBelle else 'muIDBelle', bestCandidateCut=10), PostCutConfiguration(bestCandidateCut=5, value=0.01)) muon.addChannel(['mu+:FSP']) if convertedFromBelle: gamma_cut = 'goodBelleGamma == 1 and clusterBelleQuality == 0' else: gamma_cut = '[[clusterReg == 1 and E > 0.10] or [clusterReg == 2 and E > 0.09] or [clusterReg == 3 and E > 0.16]]' if specific: gamma_cut += ' and isInRestOfEvent > 0.5' gamma = Particle('gamma', MVAConfiguration(variables=['clusterReg', 'clusterNHits', 'clusterTiming', 'extraInfo(preCut_rank)', 'clusterE9E25', 'pt', 'E', 'pz'], target='isPrimarySignal'), PreCutConfiguration(userCut=gamma_cut, bestCandidateMode='highest', bestCandidateVariable='E', bestCandidateCut=40), PostCutConfiguration(bestCandidateCut=20, value=0.01)) gamma.addChannel(['gamma:FSP']) gamma.addChannel(['gamma:V0'], MVAConfiguration(variables=['pt', 'E', 'pz', 'extraInfo(preCut_rank)'], target='isPrimarySignal'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='E', bestCandidateCut=40)) if convertedFromBelle: pi0_cut = '0.08 < InvM < 0.18' if specific: pi0_cut += ' and isInRestOfEvent > 0.5' pi0 = Particle('pi0', MVAConfiguration(variables=['InvM', 'extraInfo(preCut_rank)', 'chiProb', 'abs(BellePi0SigM)', 'daughterAngle(0,1)', 'pt', 'pz', 'E'], target='isSignal'), PreCutConfiguration(userCut=pi0_cut, bestCandidateVariable='abs(BellePi0SigM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pi0.addChannel(['pi0:FSP']) ks0_cut = '0.4 < M < 0.6' if specific: ks0_cut += ' and isInRestOfEvent > 0.5' KS0 = Particle('K_S0', MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'abs(dM)', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'cosAngleBetweenMomentumAndVertexVector', 'extraInfo(preCut_rank)', 'extraInfo(goodKs)', 'extraInfo(ksnbVLike)', 'extraInfo(ksnbNoLam)', 'extraInfo(ksnbStandard)'], target='isSignal'), PreCutConfiguration(userCut=ks0_cut, bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) KS0.addChannel(['K_S0:V0']) Lam_cut = '0.9 < M < 1.3' if specific: Lam_cut += ' and isInRestOfEvent > 0.5' L0 = Particle('Lambda0', MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'abs(dM)', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'cosAngleBetweenMomentumAndVertexVector', 'extraInfo(preCut_rank)', 'extraInfo(goodLambda)', 'extraInfo(ksnbVLike)', 'extraInfo(ksnbNoLam)'], target='isSignal'), PreCutConfiguration(userCut=Lam_cut, bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) L0.addChannel(['Lambda0:V0']) else: pi0 = Particle('pi0', MVAConfiguration(variables=['M', 'daughter({},extraInfo(SignalProbability))', 'extraInfo(preCut_rank)', 'daughterAngle(0,1)', 'pt', 'pz', 'E', 'abs(dM)'], target='isSignal'), PreCutConfiguration(userCut='0.08 < M < 0.18', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pi0.addChannel(['gamma', 'gamma']) KS0 = Particle('K_S0', MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'abs(dM)', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'daughter({},extraInfo(SignalProbability))', 'useRestFrame(daughter({}, p))', 'cosAngleBetweenMomentumAndVertexVector', 'daughter({}, dz)', 'daughter({}, dr)', 'extraInfo(preCut_rank)'], target='isSignal'), PreCutConfiguration(userCut='0.4 < M < 0.6', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) KS0.addChannel(['pi+', 'pi-']) KS0.addChannel(['pi0', 'pi0']) ks0_cut = '0.4 < M < 0.6' if specific: ks0_cut += ' and isInRestOfEvent > 0.5' KS0.addChannel(['K_S0:V0'], MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'extraInfo(preCut_rank)', 'abs(dM)', 'useRestFrame(daughter({}, p))', 'cosAngleBetweenMomentumAndVertexVector', 'daughter({}, dz)', 'daughter({}, dr)'], target='isSignal'), PreCutConfiguration(userCut=ks0_cut, bestCandidateVariable='abs(dM)', bestCandidateCut=20)) L0 = Particle('Lambda0', MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'abs(dM)', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'daughter({},extraInfo(SignalProbability))', 'useRestFrame(daughter({}, p))', 'cosAngleBetweenMomentumAndVertexVector', 'daughter({}, dz)', 'daughter({}, dr)', 'extraInfo(preCut_rank)'], target='isSignal'), PreCutConfiguration(userCut='0.9 < M < 1.3', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) L0.addChannel(['p+', 'pi-']) Lam_cut = '0.9 < M < 1.3' if specific: Lam_cut += ' and isInRestOfEvent > 0.5' L0.addChannel(['Lambda0:V0'], MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'extraInfo(preCut_rank)', 'abs(dM)', 'useRestFrame(daughter({}, p))', 'cosAngleBetweenMomentumAndVertexVector', 'daughter({}, dz)', 'daughter({}, dr)'], target='isSignal'), PreCutConfiguration(userCut=Lam_cut, bestCandidateVariable='abs(dM)', bestCandidateCut=20)) kl0_cut = '' if specific: kl0_cut += 'isInRestOfEvent > 0.5' KL0 = Particle('K_L0', MVAConfiguration(variables=['E', 'klmClusterTiming'], target='isSignal'), PreCutConfiguration(userCut=kl0_cut, bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) KL0.addChannel(['K_L0:FSP']) SigmaP = Particle('Sigma+', MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'abs(dM)', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'daughter({},extraInfo(SignalProbability))', 'useRestFrame(daughter({}, p))', 'cosAngleBetweenMomentumAndVertexVector', 'daughter({}, dz)', 'daughter({}, dr)', 'extraInfo(preCut_rank)'], target='isSignal'), PreCutConfiguration(userCut='1.0 < M < 1.4', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) SigmaP.addChannel(['p+', 'pi0']) # variables for D mesons and J/Psi intermediate_vars = ['daughterProductOf(extraInfo(SignalProbability))', 'daughter({},extraInfo(SignalProbability))', 'chiProb', 'daughter({}, chiProb)', 'extraInfo(preCut_rank)', 'abs(dM)', 'useRestFrame(daughter({}, p))', 'useRestFrame(daughter({}, distance))', 'decayAngle({})', 'daughterAngle({},{})', 'cosAngleBetweenMomentumAndVertexVector', 'daughterInvariantMass({},{})', 'daughterInvariantMass({},{},{})', 'daughterInvariantMass({},{},{},{})', 'daughterInvariantMass({},{},{},{},{})', 'dQ', 'Q', 'dM', 'daughter({},extraInfo(decayModeID))'] # TODO if specific: # We can not do this in the generic case (because this would heavily influence our performance on the unknown signal events # but in the specific case this could work well # intermediate_vars = ['nRemainingTracksInEvent'] LC = Particle('Lambda_c+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='2.2 < M < 2.4', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) LC.addChannel(['p+', 'K-', 'pi+']) LC.addChannel(['p+', 'pi-', 'pi+']) LC.addChannel(['p+', 'K-', 'K+']) LC.addChannel(['p+', 'K-', 'pi+', 'pi0']) LC.addChannel(['p+', 'K-', 'pi+', 'pi0', 'pi0']) LC.addChannel(['p+', 'pi+', 'pi+', 'pi-', 'pi-']) LC.addChannel(['p+', 'K_S0']) LC.addChannel(['p+', 'K_S0', 'pi0']) LC.addChannel(['p+', 'K_S0', 'pi+', 'pi-']) LC.addChannel(['Lambda0', 'pi+']) LC.addChannel(['Lambda0', 'pi+', 'pi0']) LC.addChannel(['Lambda0', 'pi+', 'pi-', 'pi+']) LC.addChannel(['Lambda0', 'pi+', 'gamma']) LC.addChannel(['Lambda0', 'pi+', 'pi0', 'gamma']) LC.addChannel(['Lambda0', 'pi+', 'pi-', 'pi+', 'gamma']) LC.addChannel(['Sigma+', 'pi+', 'pi-']) LC.addChannel(['Sigma+', 'pi+', 'pi-', 'pi0']) LC.addChannel(['Sigma+', 'pi0']) D0 = Particle('D0', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='1.7 < M < 1.95', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) D0.addChannel(['K-', 'pi+']) D0.addChannel(['K-', 'pi+', 'pi0']) D0.addChannel(['K-', 'pi+', 'pi0', 'pi0']) D0.addChannel(['K-', 'pi+', 'pi+', 'pi-']) D0.addChannel(['K-', 'pi+', 'pi+', 'pi-', 'pi0']) D0.addChannel(['pi-', 'pi+']) D0.addChannel(['pi-', 'pi+', 'pi+', 'pi-']) D0.addChannel(['pi-', 'pi+', 'pi0']) D0.addChannel(['pi-', 'pi+', 'pi0', 'pi0']) D0.addChannel(['K_S0', 'pi0']) D0.addChannel(['K_S0', 'pi+', 'pi-']) D0.addChannel(['K_S0', 'pi+', 'pi-', 'pi0']) D0.addChannel(['K-', 'K+']) D0.addChannel(['K-', 'K+', 'pi0']) D0.addChannel(['K-', 'K+', 'K_S0']) if not removeSLD: D0_SL = Particle('D0:semileptonic', MVAConfiguration(variables=intermediate_vars, target='isSignalAcceptMissingNeutrino'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) D0_SL.addChannel(['K-', 'e+']) D0_SL.addChannel(['K-', 'mu+']) D0_SL.addChannel(['K-', 'pi0', 'e+']) D0_SL.addChannel(['K-', 'pi0', 'mu+']) D0_SL.addChannel(['K_S0', 'pi-', 'e+']) D0_SL.addChannel(['K_S0', 'pi-', 'mu+']) if KLong: D0_KL = Particle('D0:KL', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) D0_KL.addChannel(['K_L0', 'pi0']) D0_KL.addChannel(['K_L0', 'pi+', 'pi-']) D0_KL.addChannel(['K_L0', 'pi+', 'pi-', 'pi0']) D0_KL.addChannel(['K-', 'K+', 'K_L0']) DP = Particle('D+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='1.7 < M < 1.95', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DP.addChannel(['K-', 'pi+', 'pi+']) DP.addChannel(['K-', 'pi+', 'pi+', 'pi0']) DP.addChannel(['K-', 'K+', 'pi+']) DP.addChannel(['K-', 'K+', 'pi+', 'pi0']) DP.addChannel(['pi+', 'pi0']) DP.addChannel(['pi+', 'pi+', 'pi-']) DP.addChannel(['pi+', 'pi+', 'pi-', 'pi0']) DP.addChannel(['K_S0', 'pi+']) DP.addChannel(['K_S0', 'pi+', 'pi0']) DP.addChannel(['K_S0', 'pi+', 'pi+', 'pi-']) DP.addChannel(['K+', 'K_S0', 'K_S0']) if not removeSLD: DP_SL = Particle('D+:semileptonic', MVAConfiguration(variables=intermediate_vars, target='isSignalAcceptMissingNeutrino'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DP_SL.addChannel(['K_S0', 'e+']) DP_SL.addChannel(['K_S0', 'mu+']) DP_SL.addChannel(['K-', 'pi+', 'e+']) DP_SL.addChannel(['K-', 'pi+', 'mu+']) if KLong: DP_KL = Particle('D+:KL', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DP_KL.addChannel(['K_L0', 'pi+']) DP_KL.addChannel(['K_L0', 'pi+', 'pi0']) DP_KL.addChannel(['K_L0', 'pi+', 'pi+', 'pi-']) DP_KL.addChannel(['K+', 'K_L0', 'K_S0']) DP_KL.addChannel(['K+', 'K_L0', 'K_L0']) Jpsi = Particle('J/psi', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='2.6 < M < 3.7', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) Jpsi.addChannel(['e+', 'e-']) Jpsi.addChannel(['mu+', 'mu-']) DSP = Particle('D*+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DSP.addChannel(['D0', 'pi+']) DSP.addChannel(['D+', 'pi0']) DSP.addChannel(['D+', 'gamma']) if not removeSLD: DSP_SL = Particle('D*+:semileptonic', MVAConfiguration(variables=intermediate_vars, target='isSignalAcceptMissingNeutrino'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DSP_SL.addChannel(['D0:semileptonic', 'pi+']) DSP_SL.addChannel(['D+:semileptonic', 'pi0']) DSP_SL.addChannel(['D+:semileptonic', 'gamma']) if KLong: DSP_KL = Particle('D*+:KL', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DSP_KL.addChannel(['D0:KL', 'pi+']) DSP_KL.addChannel(['D+:KL', 'pi0']) DSP_KL.addChannel(['D+:KL', 'gamma']) DS0 = Particle('D*0', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DS0.addChannel(['D0', 'pi0']) DS0.addChannel(['D0', 'gamma']) if not removeSLD: DS0_SL = Particle('D*0:semileptonic', MVAConfiguration(variables=intermediate_vars, target='isSignalAcceptMissingNeutrino'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DS0_SL.addChannel(['D0:semileptonic', 'pi0']) DS0_SL.addChannel(['D0:semileptonic', 'gamma']) if KLong: DS0_KL = Particle('D*0:KL', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DS0_KL.addChannel(['D0:KL', 'pi0']) DS0_KL.addChannel(['D0:KL', 'gamma']) DS = Particle('D_s+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='1.68 < M < 2.1', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DS.addChannel(['K+', 'K_S0']) DS.addChannel(['K+', 'pi+', 'pi-']) DS.addChannel(['K+', 'K-', 'pi+']) DS.addChannel(['K+', 'K-', 'pi+', 'pi0']) DS.addChannel(['K+', 'K_S0', 'pi+', 'pi-']) DS.addChannel(['K-', 'K_S0', 'pi+', 'pi+']) DS.addChannel(['K+', 'K-', 'pi+', 'pi+', 'pi-']) DS.addChannel(['pi+', 'pi+', 'pi-']) DS.addChannel(['K_S0', 'pi+']) DS.addChannel(['K_S0', 'pi+', 'pi0']) if KLong: DS_KL = Particle('D_s+:KL', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DS_KL.addChannel(['K+', 'K_L0']) DS_KL.addChannel(['K+', 'K_L0', 'pi+', 'pi-']) DS_KL.addChannel(['K-', 'K_L0', 'pi+', 'pi+']) DS_KL.addChannel(['K_L0', 'pi+']) DS_KL.addChannel(['K_L0', 'pi+', 'pi0']) DSS = Particle('D_s*+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0.0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DSS.addChannel(['D_s+', 'gamma']) DSS.addChannel(['D_s+', 'pi0']) if KLong: DSS_KL = Particle('D_s*+:KL', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0.0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DSS_KL.addChannel(['D_s+:KL', 'gamma']) DSS_KL.addChannel(['D_s+:KL', 'pi0']) # note: these should not be correlated to Mbc (weak correlation of deltaE is OK) B_vars = ['daughterProductOf(extraInfo(SignalProbability))', 'daughter({},extraInfo(SignalProbability))', 'chiProb', 'daughter({}, chiProb)', 'extraInfo(preCut_rank)', 'useRestFrame(daughter({}, p))', 'useRestFrame(daughter({}, distance))', 'decayAngle({})', 'daughterAngle({},{})', 'cosAngleBetweenMomentumAndVertexVector', 'dr', 'dz', 'dx', 'dy', 'distance', 'significanceOfDistance', 'deltaE', 'daughter({},extraInfo(decayModeID))'] hadronic_user_cut = 'Mbc > 5.2 and abs(deltaE) < 0.5' if B_extra_cut is not None: hadronic_user_cut += ' and [' + B_extra_cut + ']' BP = Particle('B+', MVAConfiguration(variables=B_vars, target='isSignal'), PreCutConfiguration(userCut=hadronic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) BP.addChannel(['anti-D0', 'pi+']) BP.addChannel(['anti-D0', 'pi+', 'pi0']) BP.addChannel(['anti-D0', 'pi+', 'pi0', 'pi0']) BP.addChannel(['anti-D0', 'pi+', 'pi+', 'pi-']) BP.addChannel(['anti-D0', 'pi+', 'pi+', 'pi-', 'pi0']) BP.addChannel(['anti-D0', 'D+']) BP.addChannel(['anti-D0', 'D+', 'K_S0']) BP.addChannel(['anti-D*0', 'D+', 'K_S0']) BP.addChannel(['anti-D0', 'D*+', 'K_S0']) BP.addChannel(['anti-D*0', 'D*+', 'K_S0']) BP.addChannel(['anti-D0', 'D0', 'K+']) BP.addChannel(['anti-D*0', 'D0', 'K+']) BP.addChannel(['anti-D0', 'D*0', 'K+']) BP.addChannel(['anti-D*0', 'D*0', 'K+']) BP.addChannel(['D_s+', 'anti-D0']) BP.addChannel(['anti-D*0', 'pi+']) BP.addChannel(['anti-D*0', 'pi+', 'pi0']) BP.addChannel(['anti-D*0', 'pi+', 'pi0', 'pi0']) BP.addChannel(['anti-D*0', 'pi+', 'pi+', 'pi-']) BP.addChannel(['anti-D*0', 'pi+', 'pi+', 'pi-', 'pi0']) BP.addChannel(['D_s*+', 'anti-D0']) BP.addChannel(['D_s+', 'anti-D*0']) BP.addChannel(['anti-D0', 'K+']) BP.addChannel(['D-', 'pi+', 'pi+']) BP.addChannel(['D-', 'pi+', 'pi+', 'pi0']) BP.addChannel(['J/psi', 'K+'], preCutConfig=BP.preCutConfig._replace(noBackgroundSampling=True)) BP.addChannel(['J/psi', 'K+', 'pi+', 'pi-']) BP.addChannel(['J/psi', 'K+', 'pi0']) BP.addChannel(['J/psi', 'K_S0', 'pi+']) if baryonic: BP.addChannel(['anti-Lambda_c-', 'p+', 'pi+', 'pi0']) BP.addChannel(['anti-Lambda_c-', 'p+', 'pi+', 'pi-', 'pi+']) BP.addChannel(['anti-D0', 'p+', 'anti-p-', 'pi+']) BP.addChannel(['anti-D*0', 'p+', 'anti-p-', 'pi+']) BP.addChannel(['D+', 'p+', 'anti-p-', 'pi+', 'pi-']) BP.addChannel(['D*+', 'p+', 'anti-p-', 'pi+', 'pi-']) BP.addChannel(['anti-Lambda_c-', 'p+', 'pi+']) semileptonic_user_cut = '' if B_extra_cut is not None: semileptonic_user_cut += B_extra_cut BP_SL = Particle('B+:semileptonic', MVAConfiguration(variables=B_vars, target='isSignalAcceptMissingNeutrino'), PreCutConfiguration(userCut=semileptonic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) BP_SL.addChannel(['anti-D0', 'e+']) BP_SL.addChannel(['anti-D0', 'mu+']) BP_SL.addChannel(['anti-D*0', 'e+']) BP_SL.addChannel(['anti-D*0', 'mu+']) BP_SL.addChannel(['D-', 'pi+', 'e+']) BP_SL.addChannel(['D-', 'pi+', 'mu+']) BP_SL.addChannel(['D*-', 'pi+', 'e+']) BP_SL.addChannel(['D*-', 'pi+', 'mu+']) if not removeSLD: BP_SL.addChannel(['anti-D0:semileptonic', 'pi+']) BP_SL.addChannel(['anti-D0:semileptonic', 'pi+', 'pi0']) BP_SL.addChannel(['anti-D0:semileptonic', 'pi+', 'pi0', 'pi0']) BP_SL.addChannel(['anti-D0:semileptonic', 'pi+', 'pi+', 'pi-']) BP_SL.addChannel(['anti-D0:semileptonic', 'pi+', 'pi+', 'pi-', 'pi0']) BP_SL.addChannel(['anti-D0:semileptonic', 'D+']) BP_SL.addChannel(['anti-D0:semileptonic', 'D+', 'K_S0']) BP_SL.addChannel(['anti-D*0:semileptonic', 'D+', 'K_S0']) BP_SL.addChannel(['anti-D0:semileptonic', 'D*+', 'K_S0']) BP_SL.addChannel(['anti-D*0:semileptonic', 'D*+', 'K_S0']) BP_SL.addChannel(['anti-D0:semileptonic', 'D0', 'K+']) BP_SL.addChannel(['anti-D*0:semileptonic', 'D0', 'K+']) BP_SL.addChannel(['anti-D0:semileptonic', 'D*0', 'K+']) BP_SL.addChannel(['anti-D*0:semileptonic', 'D*0', 'K+']) BP_SL.addChannel(['anti-D0', 'D+:semileptonic']) BP_SL.addChannel(['anti-D0', 'D+:semileptonic', 'K_S0']) BP_SL.addChannel(['anti-D*0', 'D+:semileptonic', 'K_S0']) BP_SL.addChannel(['anti-D0', 'D*+:semileptonic', 'K_S0']) BP_SL.addChannel(['anti-D*0', 'D*+:semileptonic', 'K_S0']) BP_SL.addChannel(['anti-D0', 'D0:semileptonic', 'K+']) BP_SL.addChannel(['anti-D*0', 'D0:semileptonic', 'K+']) BP_SL.addChannel(['anti-D0', 'D*0:semileptonic', 'K+']) BP_SL.addChannel(['anti-D*0', 'D*0:semileptonic', 'K+']) BP_SL.addChannel(['D_s+', 'anti-D0:semileptonic']) BP_SL.addChannel(['anti-D*0:semileptonic', 'pi+']) BP_SL.addChannel(['anti-D*0:semileptonic', 'pi+', 'pi0']) BP_SL.addChannel(['anti-D*0:semileptonic', 'pi+', 'pi0', 'pi0']) BP_SL.addChannel(['anti-D*0:semileptonic', 'pi+', 'pi+', 'pi-']) BP_SL.addChannel(['anti-D*0:semileptonic', 'pi+', 'pi+', 'pi-', 'pi0']) BP_SL.addChannel(['D_s*+', 'anti-D0:semileptonic']) BP_SL.addChannel(['D_s+', 'anti-D*0:semileptonic']) BP_SL.addChannel(['anti-D0:semileptonic', 'K+']) BP_SL.addChannel(['D-:semileptonic', 'pi+', 'pi+']) BP_SL.addChannel(['D-:semileptonic', 'pi+', 'pi+', 'pi0']) if KLong: BP_KL = Particle('B+:KL', MVAConfiguration(variables=B_vars, target='isSignal'), PreCutConfiguration(userCut=semileptonic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) BP_KL.addChannel(['anti-D0:KL', 'pi+']) BP_KL.addChannel(['anti-D0:KL', 'pi+', 'pi0']) BP_KL.addChannel(['anti-D0:KL', 'pi+', 'pi0', 'pi0']) BP_KL.addChannel(['anti-D0:KL', 'pi+', 'pi+', 'pi-']) BP_KL.addChannel(['anti-D0:KL', 'pi+', 'pi+', 'pi-', 'pi0']) BP_KL.addChannel(['anti-D0:KL', 'D+']) BP_KL.addChannel(['anti-D0:KL', 'D+', 'K_S0']) BP_KL.addChannel(['anti-D*0:KL', 'D+', 'K_S0']) BP_KL.addChannel(['anti-D0:KL', 'D*+', 'K_S0']) BP_KL.addChannel(['anti-D*0:KL', 'D*+', 'K_S0']) BP_KL.addChannel(['anti-D0:KL', 'D0', 'K+']) BP_KL.addChannel(['anti-D*0:KL', 'D0', 'K+']) BP_KL.addChannel(['anti-D0:KL', 'D*0', 'K+']) BP_KL.addChannel(['anti-D*0:KL', 'D*0', 'K+']) BP_KL.addChannel(['anti-D0', 'D+:KL']) BP_KL.addChannel(['anti-D0', 'D+:KL', 'K_S0']) BP_KL.addChannel(['anti-D*0', 'D+:KL', 'K_S0']) BP_KL.addChannel(['anti-D0', 'D*+:KL', 'K_S0']) BP_KL.addChannel(['anti-D*0', 'D*+:KL', 'K_S0']) BP_KL.addChannel(['anti-D0', 'D0:KL', 'K+']) BP_KL.addChannel(['anti-D*0', 'D0:KL', 'K+']) BP_KL.addChannel(['anti-D0', 'D*0:KL', 'K+']) BP_KL.addChannel(['anti-D*0', 'D*0:KL', 'K+']) BP_KL.addChannel(['D_s+', 'anti-D0:KL']) BP_KL.addChannel(['D_s+:KL', 'anti-D0']) BP_KL.addChannel(['anti-D*0:KL', 'pi+']) BP_KL.addChannel(['anti-D*0:KL', 'pi+', 'pi0']) BP_KL.addChannel(['anti-D*0:KL', 'pi+', 'pi0', 'pi0']) BP_KL.addChannel(['anti-D*0:KL', 'pi+', 'pi+', 'pi-']) BP_KL.addChannel(['anti-D*0:KL', 'pi+', 'pi+', 'pi-', 'pi0']) BP_KL.addChannel(['D_s*+', 'anti-D0:KL']) BP_KL.addChannel(['D_s+', 'anti-D*0:KL']) BP_KL.addChannel(['D_s*+:KL', 'anti-D0']) BP_KL.addChannel(['D_s+:KL', 'anti-D*0']) BP_KL.addChannel(['anti-D0:KL', 'K+']) BP_KL.addChannel(['D-:KL', 'pi+', 'pi+']) BP_KL.addChannel(['D-:KL', 'pi+', 'pi+', 'pi0']) BP_KL.addChannel(['anti-D0', 'D+', 'K_L0']) BP_KL.addChannel(['anti-D*0', 'D+', 'K_L0']) BP_KL.addChannel(['anti-D0', 'D*+', 'K_L0']) BP_KL.addChannel(['anti-D*0', 'D*+', 'K_L0']) BP_KL.addChannel(['J/psi', 'K_L0', 'pi+']) B0 = Particle('B0', MVAConfiguration(variables=B_vars, target='isSignal'), PreCutConfiguration(userCut=hadronic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) B0.addChannel(['D-', 'pi+']) B0.addChannel(['D-', 'pi+', 'pi0']) B0.addChannel(['D-', 'pi+', 'pi0', 'pi0']) B0.addChannel(['D-', 'pi+', 'pi+', 'pi-']) B0.addChannel(['D-', 'pi+', 'pi+', 'pi-', 'pi0']) B0.addChannel(['anti-D0', 'pi+', 'pi-']) B0.addChannel(['D-', 'D0', 'K+']) B0.addChannel(['D-', 'D*0', 'K+']) B0.addChannel(['D*-', 'D0', 'K+']) B0.addChannel(['D*-', 'D*0', 'K+']) B0.addChannel(['D-', 'D+', 'K_S0']) B0.addChannel(['D*-', 'D+', 'K_S0']) B0.addChannel(['D-', 'D*+', 'K_S0']) B0.addChannel(['D*-', 'D*+', 'K_S0']) B0.addChannel(['D_s+', 'D-']) B0.addChannel(['D*-', 'pi+']) B0.addChannel(['D*-', 'pi+', 'pi0']) B0.addChannel(['D*-', 'pi+', 'pi0', 'pi0']) B0.addChannel(['D*-', 'pi+', 'pi+', 'pi-']) B0.addChannel(['D*-', 'pi+', 'pi+', 'pi-', 'pi0']) B0.addChannel(['D_s*+', 'D-']) B0.addChannel(['D_s+', 'D*-']) B0.addChannel(['D_s*+', 'D*-']) B0.addChannel(['J/psi', 'K_S0'], preCutConfig=B0.preCutConfig._replace(noBackgroundSampling=True)) B0.addChannel(['J/psi', 'K+', 'pi-']) B0.addChannel(['J/psi', 'K_S0', 'pi+', 'pi-']) if baryonic: B0.addChannel(['anti-Lambda_c-', 'p+', 'pi+', 'pi-']) B0.addChannel(['anti-D0', 'p+', 'anti-p-']) B0.addChannel(['D-', 'p+', 'anti-p-', 'pi+']) B0.addChannel(['D*-', 'p+', 'anti-p-', 'pi+']) B0.addChannel(['anti-D0', 'p+', 'anti-p-', 'pi+', 'pi-']) B0.addChannel(['anti-D*0', 'p+', 'anti-p-', 'pi+', 'pi-']) B0_SL = Particle('B0:semileptonic', MVAConfiguration(variables=B_vars, target='isSignalAcceptMissingNeutrino'), PreCutConfiguration(userCut=semileptonic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) B0_SL.addChannel(['D-', 'e+']) B0_SL.addChannel(['D-', 'mu+']) B0_SL.addChannel(['D*-', 'e+']) B0_SL.addChannel(['D*-', 'mu+']) B0_SL.addChannel(['anti-D0', 'pi-', 'e+']) B0_SL.addChannel(['anti-D0', 'pi-', 'mu+']) B0_SL.addChannel(['anti-D*0', 'pi-', 'e+']) B0_SL.addChannel(['anti-D*0', 'pi-', 'mu+']) if not removeSLD: B0_SL.addChannel(['D-:semileptonic', 'pi+']) B0_SL.addChannel(['D-:semileptonic', 'pi+', 'pi0']) B0_SL.addChannel(['D-:semileptonic', 'pi+', 'pi0', 'pi0']) B0_SL.addChannel(['D-:semileptonic', 'pi+', 'pi+', 'pi-']) B0_SL.addChannel(['D-:semileptonic', 'pi+', 'pi+', 'pi-', 'pi0']) B0_SL.addChannel(['anti-D0:semileptonic', 'pi+', 'pi-']) B0_SL.addChannel(['D-:semileptonic', 'D0', 'K+']) B0_SL.addChannel(['D-:semileptonic', 'D*0', 'K+']) B0_SL.addChannel(['D*-:semileptonic', 'D0', 'K+']) B0_SL.addChannel(['D*-:semileptonic', 'D*0', 'K+']) B0_SL.addChannel(['D-:semileptonic', 'D+', 'K_S0']) B0_SL.addChannel(['D*-:semileptonic', 'D+', 'K_S0']) B0_SL.addChannel(['D-:semileptonic', 'D*+', 'K_S0']) B0_SL.addChannel(['D*-:semileptonic', 'D*+', 'K_S0']) B0_SL.addChannel(['D-', 'D0:semileptonic', 'K+']) B0_SL.addChannel(['D-', 'D*0:semileptonic', 'K+']) B0_SL.addChannel(['D*-', 'D0:semileptonic', 'K+']) B0_SL.addChannel(['D*-', 'D*0:semileptonic', 'K+']) B0_SL.addChannel(['D-', 'D+:semileptonic', 'K_S0']) B0_SL.addChannel(['D*-', 'D+:semileptonic', 'K_S0']) B0_SL.addChannel(['D-', 'D*+:semileptonic', 'K_S0']) B0_SL.addChannel(['D*-', 'D*+:semileptonic', 'K_S0']) B0_SL.addChannel(['D_s+', 'D-:semileptonic']) B0_SL.addChannel(['D*-:semileptonic', 'pi+']) B0_SL.addChannel(['D*-:semileptonic', 'pi+', 'pi0']) B0_SL.addChannel(['D*-:semileptonic', 'pi+', 'pi0', 'pi0']) B0_SL.addChannel(['D*-:semileptonic', 'pi+', 'pi+', 'pi-']) B0_SL.addChannel(['D*-:semileptonic', 'pi+', 'pi+', 'pi-', 'pi0']) B0_SL.addChannel(['D_s*+', 'D-:semileptonic']) B0_SL.addChannel(['D_s+', 'D*-:semileptonic']) B0_SL.addChannel(['D_s*+', 'D*-:semileptonic']) if KLong: B0_KL = Particle('B0:KL', MVAConfiguration(variables=B_vars, target='isSignal'), PreCutConfiguration(userCut=semileptonic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) B0_KL.addChannel(['D-:KL', 'pi+']) B0_KL.addChannel(['D-:KL', 'pi+', 'pi0']) B0_KL.addChannel(['D-:KL', 'pi+', 'pi0', 'pi0']) B0_KL.addChannel(['D-:KL', 'pi+', 'pi+', 'pi-']) B0_KL.addChannel(['D-:KL', 'pi+', 'pi+', 'pi-', 'pi0']) B0_KL.addChannel(['anti-D0:KL', 'pi+', 'pi-']) B0_KL.addChannel(['D-:KL', 'D0', 'K+']) B0_KL.addChannel(['D-:KL', 'D*0', 'K+']) B0_KL.addChannel(['D*-:KL', 'D0', 'K+']) B0_KL.addChannel(['D*-:KL', 'D*0', 'K+']) B0_KL.addChannel(['D-:KL', 'D+', 'K_S0']) B0_KL.addChannel(['D*-:KL', 'D+', 'K_S0']) B0_KL.addChannel(['D-:KL', 'D*+', 'K_S0']) B0_KL.addChannel(['D*-:KL', 'D*+', 'K_S0']) B0_KL.addChannel(['D-', 'D0:KL', 'K+']) B0_KL.addChannel(['D-', 'D*0:KL', 'K+']) B0_KL.addChannel(['D*-', 'D0:KL', 'K+']) B0_KL.addChannel(['D*-', 'D*0:KL', 'K+']) B0_KL.addChannel(['D-', 'D+:KL', 'K_S0']) B0_KL.addChannel(['D*-', 'D+:KL', 'K_S0']) B0_KL.addChannel(['D-', 'D*+:KL', 'K_S0']) B0_KL.addChannel(['D*-', 'D*+:KL', 'K_S0']) B0_KL.addChannel(['D_s+', 'D-:KL']) B0_KL.addChannel(['D_s+:KL', 'D-']) B0_KL.addChannel(['D*-:KL', 'pi+']) B0_KL.addChannel(['D*-:KL', 'pi+', 'pi0']) B0_KL.addChannel(['D*-:KL', 'pi+', 'pi0', 'pi0']) B0_KL.addChannel(['D*-:KL', 'pi+', 'pi+', 'pi-']) B0_KL.addChannel(['D*-:KL', 'pi+', 'pi+', 'pi-', 'pi0']) B0_KL.addChannel(['D_s*+', 'D-:KL']) B0_KL.addChannel(['D_s+', 'D*-:KL']) B0_KL.addChannel(['D_s*+', 'D*-:KL']) B0_KL.addChannel(['D_s*+:KL', 'D-']) B0_KL.addChannel(['D_s+:KL', 'D*-']) B0_KL.addChannel(['D_s*+:KL', 'D*-']) B0_KL.addChannel(['D-', 'D+', 'K_L0']) B0_KL.addChannel(['D*-', 'D+', 'K_L0']) B0_KL.addChannel(['D-', 'D*+', 'K_L0']) B0_KL.addChannel(['D*-', 'D*+', 'K_L0']) B0_KL.addChannel(['J/psi', 'K_L0']) B0_KL.addChannel(['J/psi', 'K_L0', 'pi+', 'pi-']) # Use deltaE + Mbc - m_(B_s) instead of deltaE since Bs has only one peak here (vs. 3 in deltaE) Bs_vars = ['formula(deltaE+Mbc-5.3669)' if x == 'deltaE' else x for x in B_vars] hadronic_bs_user_cut = 'Mbc > 5.3 and abs(formula(deltaE+Mbc-5.3669)) < 0.5' if B_extra_cut is not None: hadronic_bs_user_cut += ' and [' + B_extra_cut + ']' BS = Particle('B_s0', MVAConfiguration(variables=Bs_vars, target='isSignal'), PreCutConfiguration(userCut=hadronic_bs_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) # Override precut for some channels as this provides better performance tight_precut = BS.preCutConfig._replace(userCut=hadronic_bs_user_cut + ' and abs(formula(deltaE+Mbc-5.3669)) < 0.1') # D_s & D* BS.addChannel(['D_s-', 'D_s+'], preCutConfig=tight_precut) BS.addChannel(['D_s*+', 'D_s-'], preCutConfig=tight_precut) BS.addChannel(['D_s*-', 'D_s+'], preCutConfig=tight_precut) BS.addChannel(['D_s*+', 'D_s*-'], preCutConfig=tight_precut) BS.addChannel(['D_s-', 'D+'], preCutConfig=tight_precut) BS.addChannel(['D_s+', 'D*-']) BS.addChannel(['D_s*+', 'D-']) BS.addChannel(['D_s*+', 'D*-']) # D_s BS.addChannel(['D_s-', 'K+']) BS.addChannel(['D_s+', 'K-']) BS.addChannel(['D_s-', 'pi+']) BS.addChannel(['D_s-', 'pi+', 'pi+', 'pi-'], preCutConfig=tight_precut) BS.addChannel(['D_s-', 'D0', 'K+'], preCutConfig=tight_precut) BS.addChannel(['D_s-', 'D+', 'K_S0']) BS.addChannel(['D_s-', 'pi+', 'pi0'], preCutConfig=tight_precut) # rho+ BS.addChannel(['D_s-', 'D0', 'K+', 'pi0'], preCutConfig=tight_precut) # K*+ BS.addChannel(['D_s-', 'D0', 'K_S0', 'pi+']) # K*+ BS.addChannel(['D_s-', 'D+', 'K+', 'pi-']) # K*0 BS.addChannel(['D_s-', 'D+', 'K_S0', 'pi0']) # K*0 BS.addChannel(['D_s-', 'D*0', 'K+'], preCutConfig=tight_precut) BS.addChannel(['D_s-', 'D*+', 'K_S0']) BS.addChannel(['D_s-', 'D*0', 'K+', 'pi0']) # K*+ BS.addChannel(['D_s-', 'D*0', 'K_S0', 'pi+']) # K*+ BS.addChannel(['D_s-', 'D*+', 'K+', 'pi-']) # K*0 BS.addChannel(['D_s-', 'D*+', 'K_S0', 'pi0']) # K*0 # D_s* BS.addChannel(['D_s*-', 'K+']) BS.addChannel(['D_s*-', 'pi+']) BS.addChannel(['D_s*-', 'D0', 'K+'], preCutConfig=tight_precut) BS.addChannel(['D_s*-', 'D+', 'K_S0']) BS.addChannel(['D_s*-', 'D*0', 'K+'], preCutConfig=tight_precut) BS.addChannel(['D_s*-', 'D*+', 'K_S0']) BS.addChannel(['D_s*-', 'pi+', 'pi+', 'pi-'], preCutConfig=tight_precut) BS.addChannel(['D_s*-', 'pi+', 'pi0'], preCutConfig=tight_precut) # rho+ BS.addChannel(['D_s*-', 'D0', 'K+', 'pi0']) # K*+ BS.addChannel(['D_s*-', 'D0', 'K_S0', 'pi+']) # K*+ BS.addChannel(['D_s*-', 'D+', 'K+', 'pi-']) # K*0 BS.addChannel(['D_s*-', 'D+', 'K_S0', 'pi0']) # K*0 BS.addChannel(['D_s*-', 'D*0', 'K+', 'pi0']) # K*+ BS.addChannel(['D_s*-', 'D*0', 'K_S0', 'pi+']) # K*+ BS.addChannel(['D_s*-', 'D*+', 'K+', 'pi-']) # K*0 BS.addChannel(['D_s*-', 'D*+', 'K_S0', 'pi0']) # K*0 # J/Psi BS.addChannel(['J/psi', 'K_S0']) BS.addChannel(['J/psi', 'pi+', 'pi-']) BS.addChannel(['J/psi', 'K+', 'K-'], preCutConfig=BS.preCutConfig._replace(noBackgroundSampling=True)) # Phi BS.addChannel(['J/psi', 'K_S0', 'K-', 'pi+']) BS.addChannel(['J/psi', 'K-', 'K+', 'pi0']) BS.addChannel(['J/psi', 'pi-', 'pi+', 'pi0']) # Eta BS.addChannel(['J/psi', 'pi+', 'pi-', 'pi-', 'pi+', 'pi0']) # Etaprime # Other BS.addChannel(['anti-D*0', 'K_S0']) BS.addChannel(['anti-D0', 'K_S0']) BS.addChannel(['anti-D0', 'K-', 'pi+']) particles = [] particles.append(pion) particles.append(kaon) if baryonic: particles.append(proton) particles.append(muon) particles.append(electron) particles.append(gamma) particles.append(pi0) particles.append(KS0) if baryonic: particles.append(L0) particles.append(SigmaP) particles.append(Jpsi) particles.append(D0) particles.append(DP) particles.append(DS) if baryonic: particles.append(LC) particles.append(DS0) particles.append(DSP) particles.append(DSS) if hadronic: if neutralB: particles.append(B0) if chargedB: particles.append(BP) if KLong: particles.append(KL0) particles.append(D0_KL) particles.append(DP_KL) particles.append(DS_KL) particles.append(DS0_KL) particles.append(DSP_KL) particles.append(DSS_KL) if neutralB: particles.append(B0_KL) if chargedB: particles.append(BP_KL) if semileptonic: if not removeSLD: particles.append(D0_SL) particles.append(DP_SL) particles.append(DS0_SL) particles.append(DSP_SL) if neutralB: particles.append(B0_SL) if chargedB: particles.append(BP_SL) if strangeB: particles.append(BS) return particles
[docs]def get_unittest_channels(specific=False): chargedVariables = ['electronID', 'extraInfo(preCut_rank)', 'kaonID', 'protonID', 'muonID', 'p', 'pt', 'pz', 'dr', 'dz', 'chiProb'] specific_cut = '' if specific: specific_cut = ' and isInRestOfEvent > 0.5' pion = Particle('pi+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut='[dr < 2] and [abs(dz) < 4]' + specific_cut, bestCandidateMode='highest', bestCandidateVariable='pionID', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pion.addChannel(['pi+:FSP']) kaon = Particle('K+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut='[dr < 2] and [abs(dz) < 4]' + specific_cut, bestCandidateMode='highest', bestCandidateVariable='kaonID', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) kaon.addChannel(['K+:FSP']) muon = Particle('mu+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut='[dr < 2] and [abs(dz) < 4]' + specific_cut, bestCandidateVariable='muonID', bestCandidateMode='highest', bestCandidateCut=10), PostCutConfiguration(bestCandidateCut=5, value=0.01)) muon.addChannel(['mu+:FSP']) gamma = Particle('gamma', MVAConfiguration(variables=['clusterReg', 'clusterNHits', 'clusterTiming', 'clusterE9E25', 'pt', 'E', 'pz', 'extraInfo(preCut_rank)'], target='isPrimarySignal'), PreCutConfiguration(userCut='E > 0.05' + specific_cut, bestCandidateMode='highest', bestCandidateVariable='E', bestCandidateCut=40), PostCutConfiguration(bestCandidateCut=20, value=0.01)) gamma.addChannel(['gamma:FSP']) gamma.addChannel(['gamma:V0'], MVAConfiguration(variables=['pt', 'E', 'pz'], target='isPrimarySignal')) pi0 = Particle('pi0', MVAConfiguration(variables=['M', 'daughter({},extraInfo(SignalProbability))', 'extraInfo(preCut_rank)', 'daughterAngle(0,1)', 'pt', 'pz', 'E', 'abs(dM)'], target='isSignal'), PreCutConfiguration(userCut='0.08 < M < 0.18', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pi0.addChannel(['gamma', 'gamma']) intermediate_vars = ['daughterProductOf(extraInfo(SignalProbability))', 'daughter({},extraInfo(SignalProbability))', 'chiProb', 'daughter({}, chiProb)', 'extraInfo(preCut_rank)', 'abs(dM)', 'useRestFrame(daughter({}, p))', 'useRestFrame(daughter({}, distance))', 'decayAngle({})', 'daughterAngle({},{})', 'cosAngleBetweenMomentumAndVertexVector', 'daughterInvariantMass({},{})', 'daughterInvariantMass({},{},{})', 'daughterInvariantMass({},{},{},{})', 'daughterInvariantMass({},{},{},{},{})', 'dQ', 'Q', 'dM', 'daughter({},extraInfo(decayModeID))'] D0 = Particle('D0', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='1.7 < M < 1.95', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) D0.addChannel(['K-', 'pi+']) D0.addChannel(['K-', 'pi+', 'pi0']) D0.addChannel(['pi-', 'pi+']) D0_SL = Particle('D0:semileptonic', MVAConfiguration(variables=intermediate_vars, target='isSignalAcceptMissingNeutrino'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) D0_SL.addChannel(['K-', 'mu+']) D0_SL.addChannel(['K-', 'pi0', 'mu+']) particles = [gamma, muon, pion, kaon, pi0, D0, D0_SL] return particles
def get_fr_channels(convertedFromBelle=False): """ Get channels of original FR for comparison @param convertedFromBelle whether to use Belle variables which is necessary for b2bii converted data (default is False) """ if convertedFromBelle: # Using Belle specific Variables for e-ID, mu-ID and K-ID # atcPIDBelle(3,2) is used as K-ID # atcPIDBelle(4,2) and atcPIDBelle(4,3) are used as pr-ID chargedVariables = ['eIDBelle', 'atcPIDBelle(3,2)', 'atcPIDBelle(4,2)', 'atcPIDBelle(4,3)', 'muIDBelle', 'p', 'pt', 'pz', 'dr', 'dz', 'chiProb', 'extraInfo(preCut_rank)'] else: chargedVariables = ['electronID', 'kaonID', 'protonID', 'muonID', 'p', 'pt', 'pz', 'dr', 'dz', 'chiProb', 'extraInfo(preCut_rank)'] charged_user_cut = '[dr < 2] and [abs(dz) < 4]' pion = Particle('pi+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='pionID' if not convertedFromBelle else 'atcPIDBelle(2,3)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pion.addChannel(['pi+:FSP']) kaon = Particle('K+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='kaonID' if not convertedFromBelle else 'atcPIDBelle(3,2)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) kaon.addChannel(['K+:FSP']) electron = Particle('e+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='electronID' if not convertedFromBelle else 'eIDBelle', bestCandidateCut=10), PostCutConfiguration(bestCandidateCut=10, value=0.01)) electron.addChannel(['e+:FSP']) muon = Particle('mu+', MVAConfiguration(variables=chargedVariables, target='isPrimarySignal'), PreCutConfiguration(userCut=charged_user_cut, bestCandidateMode='highest', bestCandidateVariable='muonID' if not convertedFromBelle else 'muIDBelle', bestCandidateCut=10), PostCutConfiguration(bestCandidateCut=10, value=0.01)) muon.addChannel(['mu+:FSP']) high_energy_photon = '[[clusterReg == 1 and E > 0.10] or [clusterReg == 2 and E > 0.09] or [clusterReg == 3 and E > 0.16]]' gamma = Particle('gamma', MVAConfiguration(variables=['clusterReg', 'clusterNHits', 'clusterTiming', 'extraInfo(preCut_rank)', 'clusterE9E25', 'pt', 'E', 'pz'], target='isPrimarySignal'), PreCutConfiguration(userCut=high_energy_photon if not convertedFromBelle else 'goodBelleGamma == 1 and clusterBelleQuality == 0', bestCandidateMode='highest', bestCandidateVariable='E', bestCandidateCut=40), PostCutConfiguration(bestCandidateCut=20, value=0.01)) gamma.addChannel(['gamma:FSP']) gamma.addChannel(['gamma:V0'], MVAConfiguration(variables=['pt', 'E', 'pz', 'extraInfo(preCut_rank)'], target='isPrimarySignal'), PreCutConfiguration(userCut='', bestCandidateMode='highest', bestCandidateVariable='E', bestCandidateCut=40)) if convertedFromBelle: pi0 = Particle('pi0', MVAConfiguration(variables=['InvM', 'extraInfo(preCut_rank)', 'chiProb', 'abs(BellePi0SigM)', 'daughterAngle(0,1)', 'pt', 'pz', 'E'], target='isSignal'), PreCutConfiguration(userCut='0.08 < InvM < 0.18', bestCandidateVariable='abs(BellePi0SigM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pi0.addChannel(['pi0:FSP']) KS0 = Particle('K_S0', MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'abs(dM)', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'cosAngleBetweenMomentumAndVertexVector', 'extraInfo(preCut_rank)', 'extraInfo(goodKs)', 'extraInfo(ksnbVLike)', 'extraInfo(ksnbNoLam)', 'extraInfo(ksnbStandard)'], target='isSignal'), PreCutConfiguration(userCut='0.4 < M < 0.6', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) KS0.addChannel(['K_S0:V0']) else: pi0 = Particle('pi0', MVAConfiguration(variables=['M', 'daughter({},extraInfo(SignalProbability))', 'extraInfo(preCut_rank)', 'daughterAngle(0,1)', 'pt', 'pz', 'E', 'abs(dM)'], target='isSignal'), PreCutConfiguration(userCut='0.08 < M < 0.18', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) pi0.addChannel(['gamma', 'gamma']) KS0 = Particle('K_S0', MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'abs(dM)', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'daughter({},extraInfo(SignalProbability))', 'useRestFrame(daughter({}, p))', 'cosAngleBetweenMomentumAndVertexVector', 'daughter({}, dz)', 'daughter({}, dr)', 'extraInfo(preCut_rank)'], target='isSignal'), PreCutConfiguration(userCut='0.4 < M < 0.6', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.01)) KS0.addChannel(['pi+', 'pi-']) KS0.addChannel(['pi0', 'pi0']) KS0.addChannel(['K_S0:V0'], MVAConfiguration(variables=['dr', 'dz', 'distance', 'significanceOfDistance', 'chiProb', 'M', 'useCMSFrame(E)', 'daughterAngle(0,1)', 'extraInfo(preCut_rank)', 'abs(dM)', 'useRestFrame(daughter({}, p))', 'cosAngleBetweenMomentumAndVertexVector', 'daughter({}, dz)', 'daughter({}, dr)'], target='isSignal')) # variables for D mesons and J/Psi intermediate_vars = ['daughterProductOf(extraInfo(SignalProbability))', 'daughter({},extraInfo(SignalProbability))', 'chiProb', 'daughter({}, chiProb)', 'extraInfo(preCut_rank)', 'abs(dM)', 'useRestFrame(daughter({}, p))', 'useRestFrame(daughter({}, distance))', 'decayAngle({})', 'daughterAngle({},{})', 'cosAngleBetweenMomentumAndVertexVector', 'daughterInvariantMass({},{})', 'daughterInvariantMass({},{},{})', 'daughterInvariantMass({},{},{},{})', 'daughterInvariantMass({},{},{},{},{})', 'dQ', 'Q', 'dM', 'daughter({},extraInfo(decayModeID))'] D0 = Particle('D0', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='1.7 < M < 1.95', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) D0.addChannel(['K-', 'pi+']) D0.addChannel(['K-', 'pi+', 'pi0']) D0.addChannel(['K-', 'pi+', 'pi+', 'pi-']) D0.addChannel(['pi-', 'pi+']) D0.addChannel(['pi-', 'pi+', 'pi0']) D0.addChannel(['K_S0', 'pi0']) D0.addChannel(['K_S0', 'pi+', 'pi-']) D0.addChannel(['K_S0', 'pi+', 'pi-', 'pi0']) D0.addChannel(['K-', 'K+']) D0.addChannel(['K-', 'K+', 'K_S0']) DP = Particle('D+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='1.7 < M < 1.95', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DP.addChannel(['K-', 'pi+', 'pi+']) DP.addChannel(['K-', 'pi+', 'pi+', 'pi0']) DP.addChannel(['K-', 'K+', 'pi+']) DP.addChannel(['K-', 'K+', 'pi+', 'pi0']) DP.addChannel(['K_S0', 'pi+']) DP.addChannel(['K_S0', 'pi+', 'pi0']) DP.addChannel(['K_S0', 'pi+', 'pi+', 'pi-']) Jpsi = Particle('J/psi', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='2.5 < M < 3.7', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) Jpsi.addChannel(['e+', 'e-']) Jpsi.addChannel(['mu+', 'mu-']) DSP = Particle('D*+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DSP.addChannel(['D0', 'pi+']) DSP.addChannel(['D+', 'pi0']) DS0 = Particle('D*0', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DS0.addChannel(['D0', 'pi0']) DS0.addChannel(['D0', 'gamma']) DS = Particle('D_s+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='1.68 < M < 2.1', bestCandidateVariable='abs(dM)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DS.addChannel(['K+', 'K_S0']) DS.addChannel(['K+', 'pi+', 'pi-']) DS.addChannel(['K+', 'K-', 'pi+']) DS.addChannel(['K+', 'K-', 'pi+', 'pi0']) DS.addChannel(['K+', 'K_S0', 'pi+', 'pi-']) DS.addChannel(['K-', 'K_S0', 'pi+', 'pi+']) DS.addChannel(['K+', 'K-', 'pi+', 'pi+', 'pi-']) DS.addChannel(['pi+', 'pi+', 'pi-']) DSS = Particle('D_s*+', MVAConfiguration(variables=intermediate_vars, target='isSignal'), PreCutConfiguration(userCut='0.0 < Q < 0.3', bestCandidateVariable='abs(dQ)', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=10, value=0.001)) DSS.addChannel(['D_s+', 'gamma']) # note: these should not be correlated to Mbc (weak correlation of deltaE is OK) B_vars = ['daughterProductOf(extraInfo(SignalProbability))', 'daughter({},extraInfo(SignalProbability))', 'chiProb', 'daughter({}, chiProb)', 'extraInfo(preCut_rank)', 'useRestFrame(daughter({}, p))', 'useRestFrame(daughter({}, distance))', 'decayAngle({})', 'daughterAngle({},{})', 'cosAngleBetweenMomentumAndVertexVector', 'dr', 'dz', 'dx', 'dy', 'distance', 'significanceOfDistance', 'deltaE', 'daughter({},extraInfo(decayModeID))'] hadronic_user_cut = 'Mbc > 5.2 and abs(deltaE) < 0.5' BP = Particle('B+', MVAConfiguration(variables=B_vars, target='isSignal'), PreCutConfiguration(userCut=hadronic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) BP.addChannel(['anti-D0', 'pi+']) BP.addChannel(['anti-D0', 'pi+', 'pi0']) BP.addChannel(['anti-D0', 'pi+', 'pi+', 'pi-']) BP.addChannel(['anti-D0', 'D+']) BP.addChannel(['D_s+', 'anti-D0']) BP.addChannel(['anti-D*0', 'pi+']) BP.addChannel(['anti-D*0', 'pi+', 'pi0']) BP.addChannel(['anti-D*0', 'pi+', 'pi+', 'pi-']) BP.addChannel(['anti-D*0', 'pi+', 'pi+', 'pi-', 'pi0']) BP.addChannel(['D_s*+', 'anti-D0']) BP.addChannel(['D_s+', 'anti-D*0']) BP.addChannel(['anti-D0', 'K+']) BP.addChannel(['D-', 'pi+', 'pi+']) BP.addChannel(['J/psi', 'K+']) BP.addChannel(['J/psi', 'K+', 'pi+', 'pi-']) BP.addChannel(['J/psi', 'K+', 'pi0']) BP.addChannel(['J/psi', 'K_S0', 'pi+']) B0 = Particle('B0', MVAConfiguration(variables=B_vars, target='isSignal'), PreCutConfiguration(userCut=hadronic_user_cut, bestCandidateMode='highest', bestCandidateVariable='daughterProductOf(extraInfo(SignalProbability))', bestCandidateCut=20), PostCutConfiguration(bestCandidateCut=20)) B0.addChannel(['D-', 'pi+']) B0.addChannel(['D-', 'pi+', 'pi0']) B0.addChannel(['D-', 'pi+', 'pi+', 'pi-']) B0.addChannel(['anti-D0', 'pi0']) B0.addChannel(['D_s+', 'D-']) B0.addChannel(['D*-', 'pi+']) B0.addChannel(['D*-', 'pi+', 'pi0']) B0.addChannel(['D*-', 'pi+', 'pi+', 'pi-']) B0.addChannel(['D*-', 'pi+', 'pi+', 'pi-', 'pi0']) B0.addChannel(['D_s*+', 'D-']) B0.addChannel(['D_s+', 'D*-']) B0.addChannel(['D_s*+', 'D*-']) B0.addChannel(['J/psi', 'K_S0']) B0.addChannel(['J/psi', 'K+', 'pi-']) B0.addChannel(['J/psi', 'K_S0', 'pi+', 'pi-']) particles = [] particles.append(pion) particles.append(kaon) particles.append(muon) particles.append(electron) particles.append(gamma) particles.append(pi0) particles.append(KS0) particles.append(Jpsi) particles.append(D0) particles.append(DP) particles.append(DS) particles.append(DS0) particles.append(DSP) particles.append(DSS) particles.append(B0) particles.append(BP) return particles