Hlt2RD_KS0ToMuMu

ks02mumu_line(name='Hlt2RD_KS0ToMuMu')[source]

Select KS0 -> mu+ mu- candidates.

Control trigger lines:

  • Hlt2RD_KS0ToPiPi => normalization

  • Hlt2RD_KS0ToPiMu => control

  • Hlt2RD_KS0ToMuMu_SB => background

  • Hlt2RD_KS0ToMuMu_SS => background

Line Name

Hlt2RD_KS0ToMuMu

Module

Hlt2Conf.lines.rd.strange

File location

Hlt/Hlt2Conf/python/Hlt2Conf/lines/rd/strange.py at line 851 (go to this file on gitlab).

Persistence

Selective Persistence (extra_outputs)

Algorithms
Hlt2RD_KS0ToMuMu (LAZY_AND)

  1. DeterministicPrescaler Hlt2RD_KS0ToMuMu_Prescaler

  2. VoidFilter require_pvs

3. TwoBodyCombiner Hlt2RD_KS0ToMuMu_Combiner 5. Monitor__Global GlobalMonitor__Hlt2RD_KS0ToMuMu

Hlt2RD_KS0ToMuMuOutput (NONLAZY_OR)

  1. CopyParticles CopyParticles_37b09b3e

  2. CopyParticles CopyParticles_282f91c9

  3. CopyParticles CopyParticles_15d079ed

  4. PVToRecConverterV1 PVToRecConverterV1_9b94bf2f

  5. RecSummaryMaker RecSummaryMaker_366e4cff

TwoBodyCombiner Hlt2RD_KS0ToMuMu_Combiner
Decay descriptor

KS0 -> mu+ mu-

Output particles

DataHandle('/Event/Hlt2RD_KS0ToMuMu_Combiner/OutputParticles')

CombinationCut
( ::Functors::math::in_range( 423.0, MASS, 660.0 ) & MAXDOCACUT(thresh=0.2) & MAXDOCACHI2CUT(thresh=16.0) )
CompositeCut
( ( ( SIZE_OF @ _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']) ) > 0 ) & ::Functors::math::in_range( 470.0, MASS, 600.0 ) & ( ( VALUE_OR(Value=nan) @ _CHI2DOF ) < 9.0 ) & ( ( ( Z_COORDINATE @ TOLINALG @ POSITION @ ENDVERTEX ) - ( Z_COORDINATE @ TOLINALG @ POSITION @ BEST_PV.bind( _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']), _FORWARDARGS() ) ) ) > 0.0 ) & ( ( ( MIN_ELEMENT @ MAP(Functor=IP).bind( ( MAP(Functor=( TOLINALG @ POSITION )) @ _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']) ), _FORWARDARGS() ) ) / ( ( Z_COORDINATE @ TOLINALG @ POSITION @ ENDVERTEX ) - ( Z_COORDINATE @ TOLINALG @ POSITION @ BEST_PV.bind( _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']), _FORWARDARGS() ) ) ) ) < 0.016666666666666666 ) & ( ( RHO_COORDINATE @ ( ( TOLINALG @ POSITION @ ENDVERTEX ) - ( TOLINALG @ POSITION @ BEST_PV.bind( _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']), _FORWARDARGS() ) ) ) ) > 3.0 ) & ( ( MIN_ELEMENT @ MAP(Functor=IP).bind( ( MAP(Functor=( TOLINALG @ POSITION )) @ _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']) ), _FORWARDARGS() ) ) < 0.4 ) & ( ( MIN_ELEMENT @ MAP(Functor=IPCHI2).bind( _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']), _FORWARDARGS() ) ) < 25.0 ) & ( NORMEDDOT.bind( THREEMOMENTUM, ( ( TOLINALG @ POSITION @ ENDVERTEX ) - ( TOLINALG @ POSITION @ BEST_PV.bind( _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']), _FORWARDARGS() ) ) ) ) > 0.999 ) & ( VTX_LTIME.bind( BEST_PV.bind( _TES(DataHandles=[DataHandle('/Event/Rec/Vertex/Primary')], DataTypes=['KeyedContainer<LHCb::RecVertex,Containers::KeyedObjectManager<Containers::hashmap> >']), _FORWARDARGS() ), _FORWARDARGS() ) > 0.0045 ) )