def Dstar ( name,
D0Sel,
config,
Monitor) :
"""
Selection for D*
"""
_DSt = CombineParticles("StripDSt")
_DSt.DecayDescriptor = "[D*(2010)+ -> D0 pi+]cc"
slowPiCuts = "(PT>%(SlowPiPt)s) & (TRCHI2DOF < %(SlowPiTrkChi2)s)" %locals()['config']
d0Cuts = "ALL"
_DSt.DaughtersCuts = { 'pi+' : slowPiCuts, 'D0' : d0Cuts }
combcut = """
(APT>%(DstarPt)s)
& (ADAMASS('D*(2010)+')<75)
& (AM - AM1 < 165 * MeV)
"""
_DSt.CombinationCut = combcut %locals()['config']
mothercut = """
(VFASPF(VCHI2PDOF)<%(DstarVtxChi2Ndof)s)
& (M-MAXTREE('D0'==ABSID,M)<%(DeltaM_Max)s)
& (M-MAXTREE('D0'==ABSID,M)>%(DeltaM_Min)s)
"""
_DSt.MotherCut = mothercut %locals()['config']
if Monitor != None :
_DSt.Preambulo += [
## define historam type (shortcut)
"Histo = Gaudi.Histo1DDef" ,
## monitor LL-case
"mass = monitor ( M / GeV , Histo ( 'DSt' , 1.93 , 2.09 , 100 ) , 'M' ) " ,
"deltaM = monitor ( M - M1 /MeV, Histo ( 'DSt' , 135 , 160 , 50 ) , 'DeltaM') " ,
"pT = monitor ( PT / GeV , Histo ( 'DSt' , 0.00 , 20.0 , 100 ) , 'pT' ) " ,
"y = monitor ( Y , Histo ( 'DSt' , 1.60 , 5.40 , 100 ) , 'y' ) "
]
_DSt.Monitor = True
_DSt.HistoProduce = True
_DSt.MotherMonitor = """ process ( mass )
>> process ( deltaM )
>> process ( pT )
>> process ( y )
>> EMPTY
"""
DSt = Selection("SelDSt2D0Pi",
Algorithm = _DSt,
RequiredSelections = [StdNoPIDsPions,
D0Sel])
return DSt
def D0 ( name,
config,
Monitor
) :
"""
Selection for D0
"""
_D0 = CombineParticles("StripD0")
_D0.DecayDescriptor = "[D0 -> K- pi+]cc"
dauCutStr = "(PT > %(DaugPt)s) & (P > %(DaugP)s) & (TRCHI2DOF < %(DaugTrkChi2)s) & (MIPCHI2DV(PRIMARY) > %(DaugIPChi2)s)" %locals()['config']
_D0.DaughtersCuts = { "K+" : dauCutStr,
"pi+" : dauCutStr
}
_D0.CombinationCut = "(ADAMASS('D0')<85 * MeV)" %locals()['config']
mothercut = """
(PT>%(D0Pt)s)
& (VFASPF(VCHI2PDOF)<%(D0VtxChi2Ndof)s)
& (BPVVDCHI2>%(D0FDChi2)s)
& (BPVDIRA>%(D0BPVDira)s)
& (BPVIPCHI2()<%(D0IPChi2)s)
& (ADMASS('D0') < %(D0MassWin)s )
& ( ADWM( 'D0' , WM( 'pi-' , 'K+') ) > %(DCS_WrongMass)s)
& ( ADWM( 'D0' , WM( 'K-' , 'K+') ) > %(KK_WrongMass)s)
& ( ADWM( 'D0' , WM( 'pi-' , 'pi+') ) > %(PiPi_WrongMass)s)
"""
_D0.MotherCut = mothercut %locals()['config']
if Monitor != None :
_D0.Preambulo += [
## define historam type (shortcut)
"Histo = Gaudi.Histo1DDef" ,
## monitor LL-case
"mass = monitor ( M / GeV , Histo ( 'D0' , 1.79 , 1.94 , 100 ) , 'M' ) " ,
"pT = monitor ( PT / GeV , Histo ( 'D0' , 0.00 , 20.0 , 100 ) , 'pT' ) " ,
"y = monitor ( Y , Histo ( 'D0' , 1.60 , 5.40 , 100 ) , 'y' ) "
]
_D0.Monitor = True
_D0.HistoProduce = True
_D0.MotherMonitor = """ process ( mass )
>> process ( pT )
>> process ( y )
>> EMPTY
"""
D0 = Selection("SelD02RSKPi",
Algorithm = _D0,
RequiredSelections = [StdNoPIDsKaons,
StdNoPIDsPions])
return D0