Commit c5efccea authored by Michal Kreps's avatar Michal Kreps
Browse files

Merge branch 'decianm/BJpsiRhoOneMuonInAcc' into 'master'

New Decfile for B0 -> J/psi rho, both pions and one muon in acceptance

See merge request lhcb-datapkg/Gen/DecFiles!287
parents 058bb545 d0fa4c9e
# EventType: 11144009
#
# Descriptor: {[B0 -> (J/psi(1S) -> mu+ mu-) (rho0 -> pi+ pi-)]cc}
#
# NickName: Bd_Jpsirho0,mm,oneMuonInAcc=TightCuts
#
# Cuts: LoKi::GenCutTool/TightCut
#
# InsertPythonCode:
#
# from Configurables import LoKi__GenCutTool
# gen = Generation()
# gen.SignalRepeatedHadronization.addTool ( LoKi__GenCutTool , 'TightCut' )
#
# tightCut = gen.SignalRepeatedHadronization.TightCut
# tightCut.Decay = ' Beauty => ( J/psi(1S) => ^mu+ ^mu-) ( rho(770)0 => ^pi- ^pi+ )'
# tightCut.Preambulo += [
# "inAcc = in_range ( 0.005 , GTHETA , 0.400 ) " ,
# "goodMuplus = GINTREE( ('mu+' == GID) & inAcc )",
# "goodMuminus = GINTREE( ('mu-' == GID) & inAcc )",
# "goodPiplus = GINTREE( ('pi+' == GID) & inAcc )",
# "goodPiminus = GINTREE( ('pi-' == GID) & inAcc )"
# ]
# tightCut.Cuts = {
# "Beauty": " ((goodMuplus) | (goodMuminus)) & (goodPiplus) & (goodPiminus) " }
# EndInsertPythonCode
#
# Documentation: DecFile for B0 -> J/psi rho0 decays, with both pions in the acceptance and at least one muon.
# EndDocumentation
#
# CPUTime: <1 min
#
# PhysicsWG: B2SL
# Tested: Yes
# Responsible: Michel De Cian
# Email: michel.de.cian@cern.ch
# Date: 20190521
#
Define Hp 0.159
Define Hz 0.775
Define Hm 0.612
Define pHp 1.563
Define pHz 0.0
Define pHm 2.712
#
Alias MyJ/psi J/psi
Alias Myrho0 rho0
ChargeConj Myrho0 Myrho0
ChargeConj MyJ/psi MyJ/psi
#
Decay B0sig
1.000 MyJ/psi Myrho0 SVV_HELAMP Hp pHp Hz pHz Hm pHm;
Enddecay
Decay anti-B0sig
1.000 MyJ/psi Myrho0 SVV_HELAMP Hm pHm Hz pHz Hp pHp;
Enddecay
#
Decay MyJ/psi
1.000 mu+ mu- PHOTOS VLL;
Enddecay
#
Decay Myrho0
1.000 pi+ pi- VSS;
Enddecay
#
End
......@@ -9,6 +9,8 @@
! The procedure to add decay files is described at
! https://gitlab.cern.ch/lhcb-datapkg/Gen/DecFiles/blob/master/CONTRIBUTING.md
!---------------------------------------------------------------------------
! 2019-05-21 - Michel De Cian
11144009: Added new decfile for Bd -> (J/psi -> mu mu) (rho -> pi pi) asking for both pions and one muon in the acceptance.
 
 
!========================= DecFiles v30r30 2019-05-22 =======================
......
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