InDet::TrkOrigin Namespace Reference

Enumerations
enum	OriginType {   Fake =0 , Pileup , KshortDecay , StrangeMesonDecay ,   LambdaDecay , StrangeBaryonDecay , TauDecay , GammaConversion ,   OtherDecay , HadronicInteraction , OtherSecondary , BHadronDecay ,   DHadronDecay , Fragmentation , OtherOrigin }

Functions
bool	isFake (int origin)
	Helper functions.
bool	isPileup (int origin)
	from pileup
bool	isV0Decay (int origin)
	from V0
bool	isKshortDecay (int origin)
	from Kshort decay
bool	isLambdaDecay (int origin)
	from Lambda decay
bool	isStrangeMesonDecay (int origin)
	from strange meson decay
bool	isStrangeBaryonDecay (int origin)
	from strange baryon decay
bool	isGammaConversion (int origin)
	from conversions
bool	isHadronicInteraction (int origin)
	from hadronic interactions
bool	isFromTau (int origin)
	from tau decay
bool	isSecondary (int origin)
	from long living particle decays or gamma conversions or hadronic interactions and anything else with barcode > 200000
bool	isFromB (int origin)
	from B decay chain including B-->D
bool	isFromD (int origin)
	from D decay chain including B-->D
bool	isFromBNotFromD (int origin)
	from B decay chain excluding B-->D
bool	isFromDNotFromB (int origin)
	from D decay chain excluding B-->D
bool	isFromDfromB (int origin)
	from B-->D decay chain
bool	isFragmentation (int origin)
	not from B, D, or any secondary
bool	isPrimary (int origin)
	not fake, not pileup, not secondaries

Enumeration Type Documentation

OriginType

enum InDet::TrkOrigin::OriginType

Enumerator
Fake
Pileup
KshortDecay
StrangeMesonDecay
LambdaDecay
StrangeBaryonDecay
TauDecay
GammaConversion
OtherDecay
HadronicInteraction
OtherSecondary
BHadronDecay
DHadronDecay
Fragmentation
OtherOrigin

Definition at line 16 of file InDetTrackTruthOriginDefs.h.

                    {
      // fake
      Fake=0,
      // pileup
      Pileup,
      // secondaries
      KshortDecay,
      StrangeMesonDecay,
      LambdaDecay,
      StrangeBaryonDecay,
      TauDecay,
      GammaConversion,
      OtherDecay,
      HadronicInteraction,
      OtherSecondary,
      // B/D decays
      BHadronDecay,
      DHadronDecay,
      // fragmentation
      Fragmentation,
      // unknown?
      OtherOrigin
    };

Function Documentation

isFake()

bool InDet::TrkOrigin::isFake ( int origin )

inline

Helper functions.

fake

Definition at line 43 of file InDetTrackTruthOriginDefs.h.

                                   {
      if (origin & (0x1 << Fake)) return true;
      return false;
    }

isFragmentation()

bool InDet::TrkOrigin::isFragmentation ( int origin )

inline

not from B, D, or any secondary

Definition at line 143 of file InDetTrackTruthOriginDefs.h.

                                            {
      if (origin & (0x1 << Fragmentation)) return true;
      return false;
    }

isFromB()

bool InDet::TrkOrigin::isFromB ( int origin )

inline

from B decay chain including B-->D

Definition at line 111 of file InDetTrackTruthOriginDefs.h.

                                    {
      if (origin & (0x1 << BHadronDecay)) return true;
      return false;
    }

isFromBNotFromD()

bool InDet::TrkOrigin::isFromBNotFromD ( int origin )

inline

from B decay chain excluding B-->D

Definition at line 123 of file InDetTrackTruthOriginDefs.h.

                                            {
      if (isFromD(origin)) return false;
      if (origin & (0x1 << BHadronDecay)) return true;
      return false;
    }

isFromD()

bool InDet::TrkOrigin::isFromD ( int origin )

inline

from D decay chain including B-->D

Definition at line 117 of file InDetTrackTruthOriginDefs.h.

                                    {
      if (origin & (0x1 << DHadronDecay)) return true;
      return false;
    }

isFromDfromB()

bool InDet::TrkOrigin::isFromDfromB ( int origin )

inline

from B-->D decay chain

Definition at line 137 of file InDetTrackTruthOriginDefs.h.

                                         {
      if (isFromB(origin) && isFromD(origin)) return true;
      return false;
    }

isFromDNotFromB()

bool InDet::TrkOrigin::isFromDNotFromB ( int origin )

inline

from D decay chain excluding B-->D

Definition at line 130 of file InDetTrackTruthOriginDefs.h.

                                            {
      if (isFromB(origin)) return false;
      if (origin & (0x1 << DHadronDecay)) return true;
      return false;
    }

isFromTau()

bool InDet::TrkOrigin::isFromTau ( int origin )

inline

from tau decay

Definition at line 98 of file InDetTrackTruthOriginDefs.h.

                                      {
      if (origin & (0x1 << TauDecay)) return true;
      return false;
    }

isGammaConversion()

bool InDet::TrkOrigin::isGammaConversion ( int origin )

inline

from conversions

Definition at line 86 of file InDetTrackTruthOriginDefs.h.

                                              {
      if (origin & (0x1 << GammaConversion)) return true;
      return false;
    }

isHadronicInteraction()

bool InDet::TrkOrigin::isHadronicInteraction ( int origin )

inline

from hadronic interactions

Definition at line 92 of file InDetTrackTruthOriginDefs.h.

                                                  {
      if (origin & (0x1 << HadronicInteraction)) return true;
      return false;
    }

isKshortDecay()

bool InDet::TrkOrigin::isKshortDecay ( int origin )

inline

from Kshort decay

Definition at line 62 of file InDetTrackTruthOriginDefs.h.

                                          {
      if (origin & (0x1 << KshortDecay)) return true;
      return false;
    }

isLambdaDecay()

bool InDet::TrkOrigin::isLambdaDecay ( int origin )

inline

from Lambda decay

Definition at line 68 of file InDetTrackTruthOriginDefs.h.

                                          {
      if (origin & (0x1 << LambdaDecay)) return true;
      return false;
    }

isPileup()

bool InDet::TrkOrigin::isPileup ( int origin )

inline

from pileup

Definition at line 49 of file InDetTrackTruthOriginDefs.h.

                                     {
      if (origin & (0x1 << Pileup)) return true;
      return false;
    }

isPrimary()

bool InDet::TrkOrigin::isPrimary ( int origin )

inline

not fake, not pileup, not secondaries

Definition at line 149 of file InDetTrackTruthOriginDefs.h.

                                      {
      if (isFake(origin)) return false;
      if (isPileup(origin)) return false;
      if (isSecondary(origin)) return false;
      if (origin & (0x1 << OtherOrigin)) return false;
      return true;
    }

isSecondary()

bool InDet::TrkOrigin::isSecondary ( int origin )

inline

from long living particle decays or gamma conversions or hadronic interactions and anything else with barcode > 200000

Definition at line 104 of file InDetTrackTruthOriginDefs.h.

                                        {
      static constexpr auto bit=[](int bitpos){return 0x1<<bitpos;};
      static constexpr int isSecondaryMask=bit(StrangeMesonDecay)|bit(StrangeBaryonDecay)|bit(GammaConversion)|bit(HadronicInteraction)|bit(OtherDecay)|bit(OtherSecondary);
      return (origin & isSecondaryMask);
    }

isStrangeBaryonDecay()

bool InDet::TrkOrigin::isStrangeBaryonDecay ( int origin )

inline

from strange baryon decay

Definition at line 80 of file InDetTrackTruthOriginDefs.h.

                                                 {
      if (origin & (0x1 << StrangeBaryonDecay)) return true;
      return false;
    }

isStrangeMesonDecay()

bool InDet::TrkOrigin::isStrangeMesonDecay ( int origin )

inline

from strange meson decay

Definition at line 74 of file InDetTrackTruthOriginDefs.h.

                                                {
      if (origin & (0x1 << StrangeMesonDecay)) return true;
      return false;
    }

isV0Decay()

bool InDet::TrkOrigin::isV0Decay ( int origin )

inline

from V0

Definition at line 55 of file InDetTrackTruthOriginDefs.h.

                                      {
      if (origin & (0x1 << KshortDecay)) return true;
      if (origin & (0x1 << LambdaDecay)) return true;
      return false;
    }