def makePromptJPsi(name):
"""
Prompt variant of the detached JPsi selection for
B--> JPsi X calibration and normalization channels.
Selection is aligned to the Bs2MuMu selection.
heavily prescaled
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
PromptJPsi = CombineParticles("Combine" + name)
PromptJPsi.DecayDescriptor = "J/psi(1S) -> mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
PromptJPsi.addTool(OfflineVertexFitter())
PromptJPsi.VertexFitters.update({"": "OfflineVertexFitter"})
PromptJPsi.OfflineVertexFitter.useResonanceVertex = False
PromptJPsi.ReFitPVs = True
PromptJPsi.DaughtersCuts = {"mu+": "(TRCHI2DOF < 4 ) "}
PromptJPsi.CombinationCut = "(ADAMASS('J/psi(1S)')<100*MeV) "\
"& (AMAXDOCA('')<0.3*mm)"
PromptJPsi.MotherCut = "(VFASPF(VCHI2)<15) "\
"& (ADMASS('J/psi(1S)') < 100*MeV )"
_stdLooseMuons = DataOnDemand(Location="Phys/StdLooseMuons/Particles")
return Selection(name,
Algorithm=PromptJPsi,
RequiredSelections=[_stdLooseMuons])
def makeDetachedJPsiLoose(name):
"""
loose detached JPsi selection to monitor selection,
systematics from cuts, etc.
prescaled
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
DetachedJPsiLoose = CombineParticles("Combine" + name)
DetachedJPsiLoose.DecayDescriptor = "J/psi(1S) -> mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
DetachedJPsiLoose.addTool(OfflineVertexFitter())
DetachedJPsiLoose.VertexFitters.update({"": "OfflineVertexFitter"})
DetachedJPsiLoose.OfflineVertexFitter.useResonanceVertex = False
DetachedJPsiLoose.ReFitPVs = True
DetachedJPsiLoose.DaughtersCuts = { "mu+" : "(TRCHI2DOF < 10 ) "\
"& (MIPCHI2DV(PRIMARY)> 9.)"}
DetachedJPsiLoose.CombinationCut = "(ADAMASS('J/psi(1S)')<120*MeV) "\
"& (AMAXDOCA('')<0.5*mm)"
DetachedJPsiLoose.MotherCut = "(VFASPF(VCHI2)<25) "\
"& (ADMASS('J/psi(1S)') < 120*MeV )"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2>100)"
_stdLooseMuons = DataOnDemand(Location="Phys/StdLooseMuons/Particles")
return Selection(name,
Algorithm=DetachedJPsiLoose,
RequiredSelections=[_stdLooseMuons])
def makeD2MuMuMuMu(name):
"""
D --> 4 mu selection
should become inclusive bb-->4 mu selection ??
"""
from Configurables import OfflineVertexFitter
D2MuMuMuMu = CombineParticles("Combine" + name)
D2MuMuMuMu.DecayDescriptor = "D0 -> mu+ mu- mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
D2MuMuMuMu.addTool(OfflineVertexFitter())
D2MuMuMuMu.VertexFitters.update({"": "OfflineVertexFitter"})
D2MuMuMuMu.OfflineVertexFitter.useResonanceVertex = False
D2MuMuMuMu.ReFitPVs = True
D2MuMuMuMu.DaughtersCuts = { "mu+" : "(TRCHI2DOF < 5 ) "\
" & (MIPCHI2DV(PRIMARY)> 9.)"}
D2MuMuMuMu.CombinationCut = "(ADAMASS('D0')<1000*MeV) "\
"& (AMAXDOCA('')<0.3*mm) "
D2MuMuMuMu.MotherCut = "(VFASPF(VCHI2/VDOF)<10) "\
"& (BPVDIRA > 0.9998) "\
"& (BPVVDCHI2>48.)"\
" & (M>864.83) & (M<2868.47)"\
"& (BPVIPCHI2()< 30) "
_stdLooseMuons = DataOnDemand(Location="Phys/StdLooseMuons/Particles")
return Selection(name,
Algorithm=D2MuMuMuMu,
RequiredSelections=[_stdLooseMuons])
def makeBs2Kst_0Kst_0(name, Kst_0sel, BMassWin, BVCHI2, BDOCA, BIPCHI2,
BFDistanceCHI2, SumPT, BDIRA):
"""
Create and return a Bs -> Kstar_0(1430)(Kpi) anti-Kstar_0(1430)(Kpi) Selection object.
Arguments:
name : name of the Selection.
Kst_0sel : Kst_0(1430) -> K+pi- Selection object.
BMassWin : Bs invariant mass window around PDG mass value (MeV).
BVCHI2 : Maximum Bs vertex chi2 per degree of freedom.
BDOCA : Maximum Bs DOCA.
BFDistanceCHI2 : Minimum Bs Flight Distance chi2.
SumPT : Sum|pT| of the daughters.
"""
_motherCuts = " (VFASPF(VCHI2/VDOF) < %(BVCHI2)s) & (MIPCHI2DV(PRIMARY)< %(BIPCHI2)s) & (BPVVDCHI2 > %(BFDistanceCHI2)s) & (BPVDIRA > %(BDIRA)s)" % locals(
)
_combinationCut = "(ADAMASS('B_s0') < %(BMassWin)s *MeV) & (AMAXDOCA('')< %(BDOCA)s *mm) "\
"& ( (AMINCHILD(PT,ID=='K+') + AMINCHILD(PT,ID=='K-') + AMINCHILD(PT,ID=='pi-') + AMINCHILD(PT,ID=='pi+'))> %(SumPT)s *MeV)" % locals()
_Bs = CombineParticles('_' + name)
_Bs.DecayDescriptor = "B_s0 -> K*_0(1430)0 K*_0(1430)~0"
_Bs.CombinationCut = _combinationCut
_Bs.MotherCut = _motherCuts
_Bs.ReFitPVs = True
_Bs.addTool(OfflineVertexFitter)
# _Bs.VertexFitters.update( { "" : "OfflineVertexFitter"} )
_Bs.ParticleCombiners.update({"": "OfflineVertexFitter"
}) # Fix for DaVinci v32r0 by A.Poluektov
_Bs.OfflineVertexFitter.useResonanceVertex = False
return Selection(name, Algorithm=_Bs, RequiredSelections=[Kst_0sel])
def makeBd2InflatonRho(name, SelInflatonLong, SelRho) :
"""
detached Bd -> Inflaton rho selection.
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
Bd2InflatonRho = CombineParticles("Combine"+name)
Bd2InflatonRho.DecayDescriptor = "B0 -> KS0 rho(770)0"
Bd2InflatonRho.addTool( OfflineVertexFitter )
#Bd2InflatonRho.VertexFitters.update( { "" : "OfflineVertexFitter"} )
Bd2InflatonRho.ParticleCombiners.update( { "" : "OfflineVertexFitter"} )
Bd2InflatonRho.OfflineVertexFitter.useResonanceVertex = False
Bd2InflatonRho.ReFitPVs = True
Bd2InflatonRho.DaughtersCuts = { "rho(770)0" : "MIPCHI2DV(PRIMARY)> 25."}
Bd2InflatonRho.CombinationCut = "(ADAMASS('B0') < 500*MeV)"
Bd2InflatonRho.MotherCut = "(BPVIPCHI2()< 50) & (VFASPF(VCHI2)<100)& (D2DVVDDOT(1) > 0.3*mm)"
return Selection( "Sel"+name,
Algorithm = Bd2InflatonRho,
RequiredSelections=[SelInflatonLong, SelRho] )
def makeDefault(name) :
"""
default Bs2mumu selection object (tighter selection a la roadmap)
starts from Phys/StdNoPIDsMuons
Please contact Johannes Albrecht if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
Bs2MuMuNoMuID = CombineParticles("Comine"+name)
Bs2MuMuNoMuID.DecayDescriptor = "B_s0 -> mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
Bs2MuMuNoMuID.addTool( OfflineVertexFitter() )
Bs2MuMuNoMuID.VertexFitters.update( { "" : "OfflineVertexFitter"} )
Bs2MuMuNoMuID.OfflineVertexFitter.useResonanceVertex = False
Bs2MuMuNoMuID.ReFitPVs = True
Bs2MuMuNoMuID.DaughtersCuts = { "mu+" : "(MIPCHI2DV(PRIMARY)> 25.)&(TRCHI2DOF < 4 )" }
Bs2MuMuNoMuID.CombinationCut = "(ADAMASS('B_s0')<600*MeV)"\
"& (AMAXDOCA('')<0.3*mm)"
Bs2MuMuNoMuID.MotherCut = "(VFASPF(VCHI2/VDOF)<9) "\
"& (ADMASS('B_s0') < 600*MeV )"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2> 225)"\
"& (BPVIPCHI2()< 25) "
_stdNoPIDsMuons = DataOnDemand(Location = "Phys/StdNoPIDsMuons/Particles")
return Selection (name,
Algorithm = Bs2MuMuNoMuID,
RequiredSelections = [ _stdNoPIDsMuons])
def makeK0s2mm(name) :
"""
K0s2mumu selection object
with muon Id and wide mass window
starts from Phys/StdLooseMuons
Please contact Diego Martinez Santos if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
K0s2MuMu = CombineParticles("Combine"+name)
K0s2MuMu.DecayDescriptor = "KS0 -> mu+ mu-"
K0s2MuMu.addTool( OfflineVertexFitter )
K0s2MuMu.ParticleCombiners.update( { "" : "OfflineVertexFitter"} )
K0s2MuMu.OfflineVertexFitter.useResonanceVertex = False
K0s2MuMu.ReFitPVs = True
K0s2MuMu.DaughtersCuts = { "mu+" : "(MIPCHI2DV(PRIMARY)> 100.)&(TRCHI2DOF < 5 )" }
K0s2MuMu.CombinationCut ="(ADAMASS('KS0')<1000*MeV)"\
"& (AMAXDOCA('')<0.3*mm)"
K0s2MuMu.MotherCut = "((BPVDIRA>0) & ((BPVVDSIGN*M/P) > 0.1*89.53*2.9979e-01) & (MIPDV(PRIMARY)<0.4*mm) & (M>450))"
_stdLooseMuons = DataOnDemand(Location = "Phys/StdLooseMuons/Particles")
return Selection (name,
Algorithm = K0s2MuMu,
RequiredSelections = [ _stdLooseMuons])
def makeBs2PhiKst(name, Phisel, Kstsel, BMassWin, BVCHI2, BDOCA):
"""
Create and return a Bs -> Phi (KK) Kstar (Kpi) Selection object.
Arguments:
name : name of the Selection.
Phisel : Phi -> K+K- Selection object.
Kstsel : Kst -> K+pi- Selection object.
BMassWin : Bs invariant mass window around PDG mass value (MeV).
BVCHI2 : Maximum Bs vertex chi2 per degree of freedom.
BDOCA : Maximum Bs DOCA.
"""
_motherCuts = "(VFASPF(VCHI2/VDOF) < %(BVCHI2)s)" % locals()
_combinationCut = "(ADAMASS('B_s0') < %(BMassWin)s *MeV) & (AMAXDOCA('')< %(BDOCA)s *mm)" % locals(
)
_Bs = CombineParticles('_' + name)
_Bs.DecayDescriptor = "[B_s0 -> phi(1020) K*(892)~0]cc"
_Bs.CombinationCut = _combinationCut
_Bs.MotherCut = _motherCuts
_Bs.ReFitPVs = True
_Bs.addTool(OfflineVertexFitter())
_Bs.VertexFitters.update({"": "OfflineVertexFitter"})
_Bs.OfflineVertexFitter.useResonanceVertex = False
return Selection(name, Algorithm=_Bs, RequiredSelections=[Phisel, Kstsel])
def makeDetachedJPsi(name):
"""
detached JPsi selection for B--> JPsi X calibration and
normalization channels.
Please contact Flavio Archilli if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
DetachedJPsi = CombineParticles("Combine" + name)
DetachedJPsi.DecayDescriptor = "J/psi(1S) -> e+ e-"
DetachedJPsi.addTool(OfflineVertexFitter)
DetachedJPsi.ParticleCombiners.update({"": "OfflineVertexFitter"})
DetachedJPsi.OfflineVertexFitter.useResonanceVertex = False
DetachedJPsi.ReFitPVs = True
DetachedJPsi.DaughtersCuts = { "e+" : "(TRCHI2DOF < 4 ) "\
"& (MIPCHI2DV(PRIMARY)> 25.) "\
"& (PIDe > 2) "}
DetachedJPsi.CombinationCut = "(ADAMASS('J/psi(1S)')<1000*MeV) "\
"& (AMAXDOCA('')<0.3*mm)"
DetachedJPsi.MotherCut = "(VFASPF(VCHI2)<9) "\
"& (ADMASS('J/psi(1S)') < 1000*MeV )"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2>169)"
_stdLooseElectrons = DataOnDemand(
Location="Phys/StdLooseElectrons/Particles")
return Selection(name,
Algorithm=DetachedJPsi,
RequiredSelections=[_stdLooseElectrons])
def makeNoMuID(name, mupt=0, kspt=0):
"""
default K0s2mumu selection object
starts from Phys/StdNoPIDsMuons
Please contact Diego Martinez Santos if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
K0s2MuMuNoMuID = CombineParticles("Comine" + name)
K0s2MuMuNoMuID.DecayDescriptor = "KS0 -> pi+ pi-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
K0s2MuMuNoMuID.addTool(OfflineVertexFitter)
K0s2MuMuNoMuID.ParticleCombiners.update({"": "OfflineVertexFitter"})
K0s2MuMuNoMuID.OfflineVertexFitter.useResonanceVertex = False
K0s2MuMuNoMuID.ReFitPVs = True
K0s2MuMuNoMuID.DaughtersCuts = {
"pi+":
"(MIPCHI2DV(PRIMARY)> 100.)&(TRCHI2DOF < 5 ) & (PT >" + str(mupt) +
" * MeV )"
}
K0s2MuMuNoMuID.CombinationCut = "(ADAMASS('KS0')<100*MeV)"\
"& (AMAXDOCA('')<0.3*mm)"
K0s2MuMuNoMuID.MotherCut = "((BPVDIRA>0) & ((BPVVDSIGN*M/P) > 0.1*89.53*2.9979e-01) & (MIPDV(PRIMARY)<0.4*mm) & (M>400) & (M<600) & (PT > " + str(
kspt) + " * MeV))"
_stdNoPIDsPions = DataOnDemand(Location="Phys/StdNoPIDsPions/Particles")
return Selection(name,
Algorithm=K0s2MuMuNoMuID,
RequiredSelections=[_stdNoPIDsPions])
def makeBd2InflatonKst(name, SelInflatonLong):
"""
detached Bd -> Inflaton K* selection.
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
_kstar = DataOnDemand(Location='Phys/StdLooseDetachedKst2Kpi/Particles')
Bd2InflatonKst = CombineParticles("Combine" + name)
Bd2InflatonKst.DecayDescriptor = "[B0 -> KS0 K*(892)0]cc"
Bd2InflatonKst.addTool(OfflineVertexFitter)
#Bd2InflatonKst.VertexFitters.update( { "" : "OfflineVertexFitter"} )
Bd2InflatonKst.ParticleCombiners.update({"": "OfflineVertexFitter"})
Bd2InflatonKst.OfflineVertexFitter.useResonanceVertex = False
Bd2InflatonKst.ReFitPVs = True
Bd2InflatonKst.DaughtersCuts = {"K*(892)0": "MIPCHI2DV(PRIMARY)> 25."}
Bd2InflatonKst.CombinationCut = "(ADAMASS('B0') < 500*MeV)"
Bd2InflatonKst.MotherCut = "(BPVIPCHI2()< 50) & (VFASPF(VCHI2)<100)& (D2DVVDDOT(1) > 0.3*mm)"
return Selection("Sel" + name,
Algorithm=Bd2InflatonKst,
RequiredSelections=[SelInflatonLong, _kstar])
def makeBs2InflatonPhi(name, SelInflatonLong):
"""
detached Bs -> Inflaton Phi selection.
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
_phi = DataOnDemand(Location='Phys/StdLooseDetachedPhi2KK/Particles')
Bs2InflatonPhi = CombineParticles("Combine" + name)
Bs2InflatonPhi.DecayDescriptor = "B_s0 -> KS0 phi(1020)"
Bs2InflatonPhi.addTool(OfflineVertexFitter)
#Bs2InflatonPhi.VertexFitters.update( { "" : "OfflineVertexFitter"} )
Bs2InflatonPhi.ParticleCombiners.update({"": "OfflineVertexFitter"})
Bs2InflatonPhi.OfflineVertexFitter.useResonanceVertex = False
Bs2InflatonPhi.ReFitPVs = True
Bs2InflatonPhi.DaughtersCuts = {"phi(1020)": "MIPCHI2DV(PRIMARY)> 25."}
Bs2InflatonPhi.CombinationCut = "(ADAMASS('B_s0') < 500*MeV)"
Bs2InflatonPhi.MotherCut = "(BPVIPCHI2()< 50)& (VFASPF(VCHI2)<100)& (D2DVVDDOT(1) > 0.3*mm)"
return Selection("Sel" + name,
Algorithm=Bs2InflatonPhi,
RequiredSelections=[SelInflatonLong, _phi])
def makeBu2InflatonK(name, SelInflatonLong):
"""
detached Bu -> Inflaton K selection.
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
Bu2InflatonK = CombineParticles("Combine" + name)
Bu2InflatonK.DecayDescriptor = " [B+ -> KS0 K+]cc "
Bu2InflatonK.addTool(OfflineVertexFitter)
#Bu2InflatonK.VertexFitters.update( { "" : "OfflineVertexFitter"} )
Bu2InflatonK.ParticleCombiners.update({"": "OfflineVertexFitter"})
Bu2InflatonK.OfflineVertexFitter.useResonanceVertex = False
Bu2InflatonK.ReFitPVs = True
Bu2InflatonK.DaughtersCuts = {
"K+":
"(ISLONG) & (TRCHI2DOF < 3 ) &(MIPCHI2DV(PRIMARY)>25)& (PT>250*MeV) "
}
Bu2InflatonK.CombinationCut = "(ADAMASS('B+') < 500*MeV)"
Bu2InflatonK.MotherCut = "(BPVIPCHI2()< 50)& (VFASPF(VCHI2)<100)& (D2DVVDDOT(1) > 0.3*mm)"
_kaons = DataOnDemand(Location='Phys/StdLooseKaons/Particles')
return Selection("Sel" + name,
Algorithm=Bu2InflatonK,
RequiredSelections=[SelInflatonLong, _kaons])
def makeSidebandRegion(self, name):
"""
K0s2pi0mumu selection object in sideband region.
Arguments:
name : name of the Selection
"""
from Configurables import OfflineVertexFitter
K0s2Pi0MuMu2 = CombineParticles("Combine" + name)
K0s2Pi0MuMu2.DecayDescriptor = "KS0 -> pi0 J/psi(1S)"
K0s2Pi0MuMu2.addTool(OfflineVertexFitter)
K0s2Pi0MuMu2.ParticleCombiners.update({"": "OfflineVertexFitter"})
K0s2Pi0MuMu2.OfflineVertexFitter.useResonanceVertex = False
K0s2Pi0MuMu2.ReFitPVs = True
K0s2Pi0MuMu2.CombinationCut = " (AM > %(KSsidebminMass)s * MeV)"\
"& (AM < %(KSsidebmaxMass)s * MeV)" %self.config
K0s2Pi0MuMu2.MotherCut = "((BPVDIRA> %(KSdira)s ) "\
"& ((BPVVDSIGN*M/P) > %(KSlife)s*2.9979e-01) "\
"& (MIPDV(PRIMARY)<%(KSip)s*mm) "\
"& (M> %(KSsidebminMass)s * MeV) "\
"& ( (M< %(KSsidebmaxMass)s * MeV) ))" %self.config
return Selection(
name,
Algorithm=K0s2Pi0MuMu2,
RequiredSelections=[self.PseudoJPsiSel, self._stdLoosePi0s])
def makeBs2mmWide(name):
"""
Bs2mumu selection object (tighter selection a la roadmap)
with muon Id and wide mass window (1.2GeV)
starts from Phys/StdLooseMuons
Please contact Johannes Albrecht if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
Bs2MuMuWideMass = CombineParticles("Combine" + name)
Bs2MuMuWideMass.DecayDescriptor = "B_s0 -> mu+ mu-"
Bs2MuMuWideMass.addTool(OfflineVertexFitter())
Bs2MuMuWideMass.VertexFitters.update({"": "OfflineVertexFitter"})
Bs2MuMuWideMass.OfflineVertexFitter.useResonanceVertex = False
Bs2MuMuWideMass.ReFitPVs = True
Bs2MuMuWideMass.DaughtersCuts = {
"mu+": "(MIPCHI2DV(PRIMARY)> 25.)&(TRCHI2DOF < 4 )"
}
Bs2MuMuWideMass.CombinationCut = "(ADAMASS('B_s0')<1200*MeV)"\
"& (AMAXDOCA('')<0.3*mm)"
Bs2MuMuWideMass.MotherCut = "(VFASPF(VCHI2/VDOF)<9) "\
"& (ADMASS('B_s0') < 1200*MeV )"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2> 225)"\
"& (BPVIPCHI2()< 25) "
_stdLooseMuons = DataOnDemand(Location="Phys/StdLooseMuons/Particles")
return Selection(name,
Algorithm=Bs2MuMuWideMass,
RequiredSelections=[_stdLooseMuons])
def makeDefault(name):
"""
very detached JPSi selection
"""
from Configurables import OfflineVertexFitter
Detached2mu = CombineParticles("Combine" + name)
Detached2mu.DecayDescriptor = "J/psi(1S) -> mu+ mu-"
Detached2mu.addTool(OfflineVertexFitter)
Detached2mu.VertexFitters.update({"": "OfflineVertexFitter"})
Detached2mu.OfflineVertexFitter.useResonanceVertex = False
Detached2mu.ReFitPVs = True
Detached2mu.DaughtersCuts = { "mu+" : "(TRCHI2DOF < 4 ) "\
" & (MIPCHI2DV(PRIMARY)> 100)"\
"& (PT > 0.7) "}
Detached2mu.CombinationCut = " (AMAXDOCA('')<0.1*mm)"
#"(ADAMASS('B_s0')<1000*MeV) "\
Detached2mu.MotherCut = "(VFASPF(VCHI2/VDOF)<15) "\
"& (M>1500)"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2>625)"\
"& (BPVVD>50)"
_stdLooseMuons = DataOnDemand(Location="Phys/StdLooseMuons/Particles")
return Selection(name,
Algorithm=Detached2mu,
RequiredSelections=[_stdLooseMuons])
def makeBd2JPsiKst(name, JPsisel, Kstsel, BMassWin, BVCHI2, BDOCA, BIPCHI2):
"""
Create and return a Bd -> JPsi(mumu) Kstar (Kpi) Selection object.
Arguments:
name : name of the Selection.
JPsisel : JPsi -> mu+ mu- Selection object.
Kstsel : Kst -> K+pi- Selection object.
BMassWin : Bd invariant mass window around PDG mass value (MeV).
BVCHI2 : Maximum Bd vertex chi2 per degree of freedom.
BDOCA : Maximum Bd DOCA.
"""
_motherCuts = " (VFASPF(VCHI2/VDOF) < %(BVCHI2)s) & (MIPCHI2DV(PRIMARY)< %(BIPCHI2)s)" % locals(
)
_combinationCut = "(ADAMASS('B_s0') < %(BMassWin)s *MeV) & (AMAXDOCA('')< %(BDOCA)s *mm)" % locals(
)
_Bd = CombineParticles('_' + name)
_Bd.DecayDescriptor = "[B0 -> J/psi(1S) K*(892)0]cc"
_Bd.CombinationCut = _combinationCut
_Bd.MotherCut = _motherCuts
_Bd.ReFitPVs = True
_Bd.addTool(OfflineVertexFitter)
# _Bd.VertexFitters.update( { "" : "OfflineVertexFitter"} )
_Bd.ParticleCombiners.update({"": "OfflineVertexFitter"
}) # Fix for DaVinci v32r0 by A.Poluektov
_Bd.OfflineVertexFitter.useResonanceVertex = False
return Selection(name, Algorithm=_Bd, RequiredSelections=[JPsisel, Kstsel])
def makeDetachedJPsi(name):
"""
detached JPsi selection for B--> JPsi X calibration and
normalization channels. Selection is aligned to the Bs2MuMu
selection.
Please contact Johannes Albrecht if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
DetachedJPsi = CombineParticles("Combine" + name)
DetachedJPsi.DecayDescriptor = "J/psi(1S) -> mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
DetachedJPsi.addTool(OfflineVertexFitter())
DetachedJPsi.VertexFitters.update({"": "OfflineVertexFitter"})
DetachedJPsi.OfflineVertexFitter.useResonanceVertex = False
DetachedJPsi.ReFitPVs = True
DetachedJPsi.DaughtersCuts = { "mu+" : "(TRCHI2DOF < 4 ) "\
"& (MIPCHI2DV(PRIMARY)> 25.)"}
DetachedJPsi.CombinationCut = "(ADAMASS('J/psi(1S)')<100*MeV) "\
"& (AMAXDOCA('')<0.3*mm)"
DetachedJPsi.MotherCut = "(VFASPF(VCHI2)<9) "\
"& (ADMASS('J/psi(1S)') < 100*MeV )"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2>169)"
_stdLooseMuons = DataOnDemand(Location="Phys/StdLooseMuons/Particles")
return Selection(name,
Algorithm=DetachedJPsi,
RequiredSelections=[_stdLooseMuons])
def makeBs2KstKst(name, Kstsel, BMassWin, BVCHI2, BDOCA, BIPCHI2):
"""
Create and return a Bs -> Kstar (Kpi) anti-Kstar (Kpi) Selection object.
Arguments:
name : name of the Selection.
Kstsel : Kst -> K+pi- Selection object.
BMassWin : Bs invariant mass window around PDG mass value (MeV).
BVCHI2 : Maximum Bs vertex chi2 per degree of freedom.
BDOCA : Maximum Bs DOCA.
"""
_motherCuts = " (VFASPF(VCHI2/VDOF) < %(BVCHI2)s) & (MIPCHI2DV(PRIMARY)< %(BIPCHI2)s)" % locals(
)
_combinationCut = "(ADAMASS('B_s0') < %(BMassWin)s *MeV) & (AMAXDOCA('')< %(BDOCA)s *mm)" % locals(
)
_Bs = CombineParticles('_' + name)
_Bs.DecayDescriptor = "B_s0 -> K*(892)0 K*(892)~0"
_Bs.CombinationCut = _combinationCut
_Bs.MotherCut = _motherCuts
_Bs.ReFitPVs = True
_Bs.addTool(OfflineVertexFitter)
# _Bs.VertexFitters.update( { "" : "OfflineVertexFitter"} )
_Bs.ParticleCombiners.update({"": "OfflineVertexFitter"
}) # Fix for DaVinci v32r0 by A.Poluektov
_Bs.OfflineVertexFitter.useResonanceVertex = False
return Selection(name, Algorithm=_Bs, RequiredSelections=[Kstsel])
def makeBu(name):
"""
detached Bu-->JPsiK selection. Selection is aligned to the Bs2MuMu
selection.
Please contact Johannes Albrecht if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
SelDJPsi = makeDetachedJPsi(name)
PreselBu2JPsiKCommon = CombineParticles("PreselBu2JPsiKCommon")
PreselBu2JPsiKCommon.DecayDescriptor = " [B+ -> J/psi(1S) K+]cc "
PreselBu2JPsiKCommon.addTool(OfflineVertexFitter())
PreselBu2JPsiKCommon.VertexFitters.update({"": "OfflineVertexFitter"})
PreselBu2JPsiKCommon.OfflineVertexFitter.useResonanceVertex = False
PreselBu2JPsiKCommon.ReFitPVs = True
PreselBu2JPsiKCommon.DaughtersCuts = {
"K+":
"(ISLONG) & (TRCHI2DOF < 5 ) &(MIPCHI2DV(PRIMARY)>25)& (PT>250*MeV) "
}
PreselBu2JPsiKCommon.CombinationCut = "(ADAMASS('B+') < 500*MeV)"
PreselBu2JPsiKCommon.MotherCut = "(BPVIPCHI2()< 25)& (VFASPF(VCHI2)<45) "
_kaons = DataOnDemand(Location='Phys/StdNoPIDsKaons/Particles')
return Selection("SelBu2JPsiK",
Algorithm=PreselBu2JPsiKCommon,
RequiredSelections=[SelDJPsi, _kaons])
def makeDownstream(name):
"""
very very detached dimuon selection with downstream tracks
"""
from Configurables import OfflineVertexFitter
Detached2mu = CombineParticles("Combine" + name)
Detached2mu.DecayDescriptor = "KS0 -> mu+ mu-"
Detached2mu.addTool(OfflineVertexFitter)
#Detached2mu.VertexFitters.update( { "" : "OfflineVertexFitter"} )
Detached2mu.ParticleCombiners.update({"": "OfflineVertexFitter"})
Detached2mu.OfflineVertexFitter.useResonanceVertex = False
Detached2mu.ReFitPVs = True
Detached2mu.DaughtersCuts = { "mu+" : "(TRCHI2DOF < 4 ) "\
" & (MIPCHI2DV(PRIMARY)> 150)"\
"& (PT > 125*MeV) "\
"& (PIDmu > -4)"}
Detached2mu.CombinationCut = " (AMAXDOCA('')<0.2*mm)"
#"(ADAMASS('B_s0')<1000*MeV) "\
Detached2mu.MotherCut = "(VFASPF(VCHI2/VDOF)<12) "\
"& (M>250)"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2>1000)"\
"& (BPVVD>200)"
_stdLooseDownMuons = DataOnDemand(
Location="Phys/StdLooseDownMuons/Particles")
return Selection(name,
Algorithm=Detached2mu,
RequiredSelections=[_stdLooseDownMuons])
def makeDefault(name, inputSel):
"""
B --> 4 mu selection
should become inclusive bb-->4 mu selection ??
"""
from Configurables import OfflineVertexFitter
Detached4mu = CombineParticles("Combine" + name)
Detached4mu.DecayDescriptor = "B_s0 -> mu+ mu- mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
Detached4mu.addTool(OfflineVertexFitter)
Detached4mu.VertexFitters.update({"": "OfflineVertexFitter"})
Detached4mu.OfflineVertexFitter.useResonanceVertex = False
Detached4mu.ReFitPVs = True
Detached4mu.DaughtersCuts = { "mu+" : "(TRCHI2DOF < 2.5 ) "\
" & (MIPCHI2DV(PRIMARY)> 9.)"}
Detached4mu.CombinationCut = "(ADAMASS('B_s0')<1000*MeV) "\
"& (AMAXDOCA('')<0.3*mm)"
Detached4mu.MotherCut = "(VFASPF(VCHI2/VDOF)<9) "\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2>100)"\
" & (M>4366.3) & (M<6366.3)"\
"& (BPVIPCHI2()< 25) "
return Selection(name, Algorithm=Detached4mu, RequiredSelections=inputSel)
def build_mc_unbiased_selection(decayDesc, arrow = '==>', refitpvs = True) :
'''Make a selection for the given decay descriptor that has no cuts besides
truth matching.'''
preamble = [ "from LoKiPhysMC.decorators import *" , "from LoKiPhysMC.functions import mcMatch" ]
decayDesc = decayDesc.copy()
decayDesc.clear_aliases()
decayDesc.set_carets(False)
decayDescCC = decayDesc.copy()
decayDescCC.cc = True
algname = decayDesc.get_full_alias() + '_MCSel'
algnameconj = decayDesc.conjugate().get_full_alias() + '_MCSel'
if algname in selections :
return selections[algname]
elif algnameconj in selections :
return selections[algnameconj]
if not decayDesc.daughters :
alg = FilterDesktop(algname + '_Filter')
basicname = decayDesc.particle.name
if not basicname in mcbasicinputs :
basicname = decayDesc.conjugate().particle.name
if basicname in mcbasicinputs :
inputsels = [RebuildSelection(getattr(StandardParticles, basicinput)) for basicinput in mcbasicinputs[basicname]]
else :
raise ValueError("Can't find MC basic input for particle " + repr(decayDesc.particle.name))
alg.Code = 'mcMatch({0!r})'.format(decayDescCC.to_string(arrow))
alg.Preambulo = preamble
sel = Selection(algname,
Algorithm = alg,
RequiredSelections = inputsels)
selections[algname] = sel
return sel
inputs = set()
daughtercuts = {}
for daughter in decayDescCC.daughters :
originaldaughtercc = daughter.cc
daughter.cc = True
sel = build_mc_unbiased_selection(daughter, arrow, refitpvs)
daughter.cc = originaldaughtercc
inputs.add(sel)
#daughter.caret = True
#daughtercuts[daughter.particle.name] = 'mcMatch({0!r})'.format(decayDescCC.to_string(arrow))
#daughter.caret = False
#comb = nCombiners[len(decayDesc.daughters)](algname + '_Comb')
comb = CombineParticles(algname + '_Comb')
# CombineParticles uses small cc, so set ishead = False
comb.DecayDescriptors = [decayDesc.to_string(depth = 1).replace('CC', 'cc')]
comb.MotherCut = 'mcMatch({0!r})'.format(decayDescCC.to_string(arrow))
comb.Preambulo = preamble
comb.DaughtersCuts = daughtercuts
comb.ReFitPVs = refitpvs
if refitpvs:
comb.MotherCut += ' & BPVVALID()'
sel = Selection(algname,
Algorithm = comb,
RequiredSelections = list(inputs))
selections[algname] = sel
return sel
def makeBd(name) :
"""
detached Bd-->JPsiK* selection. Selection is aligned to the Bs2MuMu
selection.
Please contact Johannes Albrecht if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
SelDJPsi = makeDetachedJPsi(name)
## make Kstar
makeKstar = CombineParticles("makeKstar")
makeKstar.DecayDescriptor = "[K*(892)0 -> K+ pi-]cc"
makeKstar.DaughtersCuts = {"K+": "(ISLONG) & (TRCHI2DOF < 3 ) "\
" & ( TRGHOSTPROB < 0.3 )"\
" & (MIPCHI2DV(PRIMARY)> 4.)& (PT>250*MeV)",
"pi-":"(ISLONG) & (TRCHI2DOF < 3 ) "\
" & ( TRGHOSTPROB < 0.3 )"\
"& (MIPCHI2DV(PRIMARY)> 4.)& (PT>250*MeV)"}
makeKstar.CombinationCut = "(ADAMASS('K*(892)0')<2000*MeV)"#huge, to allow to study JPsi K1 etc
makeKstar.MotherCut = " (MIPCHI2DV(PRIMARY)> 25.)"
_pions = DataOnDemand(Location='Phys/StdNoPIDsPions/Particles')
_kaons = DataOnDemand(Location='Phys/StdNoPIDsKaons/Particles')
SelKst = Selection( "SelKst",
Algorithm= makeKstar,
RequiredSelections=[_pions,_kaons] )
## make BtoJPsiKstar
PreselBd2JPsiKstCommon = CombineParticles("PreselBd2JPsiKstCommon")
PreselBd2JPsiKstCommon.DecayDescriptor = "[B0 -> J/psi(1S) K*(892)0]cc"
PreselBd2JPsiKstCommon.addTool( OfflineVertexFitter )
PreselBd2JPsiKstCommon.ParticleCombiners.update( { "" : "OfflineVertexFitter"} )
PreselBd2JPsiKstCommon.OfflineVertexFitter.useResonanceVertex = False
PreselBd2JPsiKstCommon.ReFitPVs = True
PreselBd2JPsiKstCommon.DaughtersCuts = {}
PreselBd2JPsiKstCommon.CombinationCut = "(ADAMASS('B0') < 500*MeV)"
PreselBd2JPsiKstCommon.MotherCut = "(BPVIPCHI2()< 25) & (VFASPF(VCHI2)<75)"
return Selection( "SelBd2JPsiKstar",
Algorithm = PreselBd2JPsiKstCommon,
RequiredSelections=[SelDJPsi,SelKst] )
def makeB2KShh(self, name, ks_type, year, sign, config):
"""
Create and return either a B -> KS h+ h- Selection object, or a B -> KS h+(-) h+(-) Same Sign Selection Object
Arguments:
name : name of the Selection.
ks_type : type of the KS, e.g. DD
year : the year for which we are making the selection
sign : whether we use opposite-sign or same-sign h's
config : config dictionary
"""
_trkChi2Cut = "(TRCHI2DOF<%s)" % config['Trk_Chi2']
_trkGhostProbCut = "(TRGHOSTPROB<%s)" % config['Trk_GhostProb']
_daughtersCuts = _trkChi2Cut + '&' + _trkGhostProbCut
_massCutLow = "(AM>(5279-%s)*MeV)" % config['B_Mlow']
_massCutHigh = "(AM<(5279+%s)*MeV)" % config['B_Mhigh']
_aptCut = "(APT>%s*MeV)" % config['B_APTmin']
_daugMedPtCut = "(ANUM(PT>%s*MeV)>=2)" % config['BDaug_MedPT_PT']
_daugMaxPtIPCut = "(AVAL_MAX(MIPDV(PRIMARY),PT)>%s)" % config[
'BDaug_MaxPT_IP']
_maxDocaChi2Cut = "(ACUTDOCACHI2(%s,''))" % config[
'BDaug_%s_maxDocaChi2' % ks_type]
_daugPtSumCut = "((APT1+APT2+APT3)>%s*MeV)" % config['BDaug_%s_PTsum' %
ks_type]
_combCuts = _daugPtSumCut + '&' + _massCutLow + '&' + _massCutHigh + '&' + _maxDocaChi2Cut + '&' + _aptCut + '&' + _daugMedPtCut + '&' + _daugMaxPtIPCut
_diraCut = "(BPVDIRA>%s)" % config['B_%s_Dira' % ks_type]
_KSdiffZ = "((CHILD(VFASPF(VZ),3) - VFASPF(VZ)) > %s*mm)" % config[
'KS_FD_Z']
_motherCuts = _diraCut + '&' + _KSdiffZ
_combName = name + '_' + ks_type + '_' + year + '_' + sign + '_Comb3Body'
_B = CombineParticles(_combName)
_B.DaughtersCuts = {"pi+": _daughtersCuts}
_B.CombinationCut = _combCuts
_B.MotherCut = _motherCuts
_B.ReFitPVs = True
if sign == 'OS':
_B.DecayDescriptors = ["B0 -> pi+ pi- KS0"]
else:
_B.DecayDescriptors = ["B0 -> pi+ pi+ KS0", "B0 -> pi- pi- KS0"]
_selname = name + '_' + ks_type + '_' + year + '_' + sign + '_Presel'
return Selection(_selname,
Algorithm=_B,
RequiredSelections=[self.selKS[ks_type], self.pions])
def makeBs(name):
"""
detached Bs-->JPsiPhi selection. Selection is aligned to the Bs2MuMu
selection.
Please contact Johannes Albrecht if you think of prescaling this line!
Arguments:
name : name of the Selection.
"""
from Configurables import OfflineVertexFitter
SelDJPsi = makeDetachedJPsi(name)
makePhi = CombineParticles("makePhi")
makePhi.DecayDescriptor = "phi(1020) -> K+ K-"
makePhi.DaughtersCuts = {
"K+":
"(ISLONG) & (TRCHI2DOF < 5 ) & (MIPCHI2DV(PRIMARY)> 4.) & (PT>250*MeV)"
}
_kaons = DataOnDemand(Location='Phys/StdNoPIDsKaons/Particles')
makePhi.CombinationCut = "(ADAMASS('phi(1020)')<10*MeV)"
makePhi.MotherCut = " (MIPCHI2DV(PRIMARY)> 25.)"
SelPhi = Selection("SelPhi",
Algorithm=makePhi,
RequiredSelections=[_kaons])
PreselBs2JPsiPhiCommon = CombineParticles("PreselBs2JPsiPhiCommon")
PreselBs2JPsiPhiCommon.DecayDescriptor = "B_s0 -> J/psi(1S) phi(1020)"
PreselBs2JPsiPhiCommon.addTool(OfflineVertexFitter())
PreselBs2JPsiPhiCommon.VertexFitters.update({"": "OfflineVertexFitter"})
PreselBs2JPsiPhiCommon.OfflineVertexFitter.useResonanceVertex = False
PreselBs2JPsiPhiCommon.ReFitPVs = True
PreselBs2JPsiPhiCommon.DaughtersCuts = {}
PreselBs2JPsiPhiCommon.CombinationCut = "(ADAMASS('B_s0') < 500*MeV)"
PreselBs2JPsiPhiCommon.MotherCut = "(BPVIPCHI2()< 25)& (VFASPF(VCHI2)<75)"
return Selection("SelBs2JPsiPhi",
Algorithm=PreselBs2JPsiPhiCommon,
RequiredSelections=[SelDJPsi, SelPhi])
def makeDefault(self, name, inputSel):
"""
B --> 4 mu selection
should become inclusive bb-->4 mu selection ??
"""
from Configurables import OfflineVertexFitter
Detached4mu = CombineParticles("Combine" + name)
Detached4mu.DecayDescriptor = "B_s0 -> mu+ mu- mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
Detached4mu.addTool(OfflineVertexFitter)
Detached4mu.ParticleCombiners.update({"": "OfflineVertexFitter"})
Detached4mu.OfflineVertexFitter.useResonanceVertex = False
Detached4mu.ReFitPVs = True
Detached4mu.DaughtersCuts = {"mu+": self.BDaughtersCuts}
Detached4mu.CombinationCut = "(ADAMASS('B_s0')<1000*MeV) "\
"& (AMAXDOCA('')<0.3*mm)"
Detached4mu.MotherCut = self.BMotherCuts + " & (ADMASS('B_s0')<1000*MeV) "
return Selection(name, Algorithm=Detached4mu, RequiredSelections=inputSel)
def makeLoose(name, MuIPChi2, MuTrChi2, BIPChi2, BFDChi2):
"""
loose Bs2mumu selection object to monitor selection,
systematics from cuts, etc.
starts from Phys/StdNoPIDsMuons
prescaled
Arguments:
name : name of the Selection.
MuIPChi2 : muon MIPCHI2DV(PRIMARY)
MuTrChi2 : muon TRCHI2
BIPChi2 : Bs MIPCHI2DV(PRIMARY)
BFDChi2 : Bs BPVVDCHI2> %(BFDChi2)
"""
from Configurables import OfflineVertexFitter
Bs2MuMuNoMuIDLoose = CombineParticles("Combine" + name)
Bs2MuMuNoMuIDLoose.DecayDescriptor = "B_s0 -> mu+ mu-"
# Set the OfflineVertexFitter to keep the 4 tracks and not the J/Psi Kstar:
Bs2MuMuNoMuIDLoose.addTool(OfflineVertexFitter())
Bs2MuMuNoMuIDLoose.VertexFitters.update({"": "OfflineVertexFitter"})
Bs2MuMuNoMuIDLoose.OfflineVertexFitter.useResonanceVertex = False
Bs2MuMuNoMuIDLoose.ReFitPVs = True
Bs2MuMuNoMuIDLoose.DaughtersCuts = { "mu+" : "(TRCHI2DOF < %(MuTrChi2)s ) "\
"& (MIPCHI2DV(PRIMARY)> %(MuIPChi2)s ) "% locals() }
Bs2MuMuNoMuIDLoose.CombinationCut = "(ADAMASS('B_s0')<600*MeV)"\
"& (AMAXDOCA('')<0.5*mm)"
Bs2MuMuNoMuIDLoose.MotherCut = "(VFASPF(VCHI2/VDOF)<25) "\
"& (ADMASS('B_s0') < 600*MeV )"\
"& (BPVDIRA > 0) "\
"& (BPVVDCHI2> %(BFDChi2)s)"\
"& (BPVIPCHI2()< %(BIPChi2)s) "% locals()
_stdNoPIDsMuons = DataOnDemand(Location="Phys/StdNoPIDsMuons/Particles")
return Selection(name,
Algorithm=Bs2MuMuNoMuIDLoose,
RequiredSelections=[_stdNoPIDsMuons])
def selection_tau_h3(Config, preambulo, inputs):
config = Config['tau_h3'] ## Pickout tau_h3 config from big one.
#
dcut = parse_cuts_auto(config['dcuts'])
algo = CombineParticles('CombTauNoiso_h3')
algo.DecayDescriptor = '[ tau- -> pi- pi- pi+ ]cc'
algo.Preambulo = preambulo0 + preambulo.split('\n')
algo.DaughtersCuts = {'pi-': dcut, 'pi+': dcut}
algo.CombinationCut = parse_cuts_auto(config['ccuts'])
algo.MotherCut = parse_cuts_auto(config['mcuts'])
#
config_refit = Config['PVRefitter']
if config_refit:
tool = LoKi__PVReFitter('PVRefitter_tauh3', **config_refit)
algo.ReFitPVs = True
algo.IgnoreP2PVFromInputLocations = True
algo.addTool(tool)
algo.PVReFitters.update({'': 'LoKi::PVReFitter/PVRefitter_tauh3'})
#
return Selection('SelTauNoiso_h3',
Algorithm=algo,
RequiredSelections=inputs)
def DstarMaker(_name, _KstDecays, _D0Decays, _DstDecays, _ChargedTracks, _Pi0s,
_Slowpions, _Filter, config, prescale):
KstSel = Selection(
"SelKst" + _name,
Algorithm=CombineParticles(
name="CombKst" + _name,
DecayDescriptors=_KstDecays,
CombinationCut=
"(((ACHILD(PT,1) > 1.7*GeV) & (ACHILD(BPVIPCHI2(),1) > 36)) | ((ACHILD(PT,2) > 1.7*GeV) & (ACHILD(BPVIPCHI2(),2) > 36))) & (AM < 1850*MeV) & (ADOCACHI2CUT(15,''))",
MotherCut="(VFASPF(VCHI2/VDOF) < 3) & (BPVVDCHI2 > 100)"),
RequiredSelections=_ChargedTracks)
D0Comb = CombineParticles(
name="CombD0" + _name,
DecayDescriptors=_D0Decays,
CombinationCut=
"(ADAMASS('D0') < %(D0_M_WINDOW)s + 10 *MeV) & (APT > %(D0_APT)s *MeV)"
% config,
MotherCut=
"(VFASPF(VCHI2/VDOF) < 20.0) & (DMASS('D0') < %(D0_M_WINDOW)s *MeV)" %
config)
D0Sel = Selection("SelD0" + _name,
Algorithm=D0Comb,
RequiredSelections=[KstSel, _Pi0s])
DstComb = CombineParticles(
name="CombDst" + _name,
DecayDescriptors=_DstDecays,
CombinationCut=
"(AM - ACHILD(M,1) < %(DELTA_MASS_MAX)s+5 *MeV) & (ADOCACHI2CUT(20,''))"
% config,
MotherCut=
"(M - CHILD(M,1) < %(DELTA_MASS_MAX)s *MeV) & (VFASPF(VCHI2/VDOF) < 9.0)"
% config)
if config["Pi0_MassConstraint"] == True:
DstComb.addTool(OfflineVertexFitter)
DstComb.ParticleCombiners.update({"": "OfflineVertexFitter"})
DstComb.OfflineVertexFitter.useResonanceVertex = False
DstComb.OfflineVertexFitter.applyDauMassConstraint = True
DstComb.ReFitPVs = True
DstSel = Selection("SelDst" + _name,
Algorithm=DstComb,
RequiredSelections=[D0Sel, _Slowpions])
DstSelTOS = TOSFilter("SelDstKPiPi0_Hlt2TOS" + _name, DstSel,
{'Hlt2CharmHadD02HHXDst_hhXDecision%TOS': 0})
hlt = ""
if config["useHLT"] == True:
hlt = "HLT_PASS_RE('Hlt2.*CharmHadD02HHXDst_hhX.*Decision')"
if config["useTOS"] == True:
Line = StrippingLine(_name + 'Line',
prescale=prescale,
FILTER=_Filter,
HLT=hlt,
selection=DstSelTOS)
else:
Line = StrippingLine(_name + 'Line',
prescale=prescale,
FILTER=_Filter,
HLT=hlt,
selection=DstSel)
return Line
