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MuonBremsstrahlungSimulator Class Reference

#include <MuonBremsstrahlungSimulator.h>

Inheritance diagram for MuonBremsstrahlungSimulator:
MaterialEffectsSimulator

Public Member Functions

const XYZTLorentzVectordeltaP_BremMuon () const
 
const XYZTLorentzVectordeltaP_BremPhoton () const
 
 MuonBremsstrahlungSimulator (double A, double Z, double density, double radLen, double photonEnergyCut, double photonFractECut)
 Constructor. More...
 
 ~MuonBremsstrahlungSimulator ()
 Default destructor. More...
 
- Public Member Functions inherited from MaterialEffectsSimulator
RHEP_const_iter beginDaughters () const
 Returns const iterator to the beginning of the daughters list. More...
 
int closestDaughterId ()
 The id of the closest charged daughter (filled for nuclear interactions only) More...
 
double eMass () const
 Electron mass in GeV/c2. More...
 
RHEP_const_iter endDaughters () const
 Returns const iterator to the end of the daughters list. More...
 
double excitE () const
 Mean excitation energy (in GeV) More...
 
 MaterialEffectsSimulator (double A=28.0855, double Z=14.0000, double density=2.329, double radLen=9.360)
 
unsigned nDaughters () const
 Returns the number of daughters. More...
 
XYZVector orthogonal (const XYZVector &) const
 A vector orthogonal to another one (because it's not in XYZTLorentzVector) More...
 
double radLenIncm () const
 One radiation length in cm. More...
 
double rho () const
 Density in g/cm3. More...
 
virtual void save ()
 Used by NuclearInteractionSimulator to save last sampled event. More...
 
void setNormalVector (const GlobalVector &normal)
 Sets the vector normal to the surface traversed. More...
 
double theA () const
 A. More...
 
double theZ () const
 Z. More...
 
void updateState (ParticlePropagator &myTrack, double radlen, RandomEngineAndDistribution const *)
 Compute the material effect (calls the sub class) More...
 
virtual ~MaterialEffectsSimulator ()
 

Private Member Functions

XYZTLorentzVector brem (ParticlePropagator &p, RandomEngineAndDistribution const *) const
 Compute Brem photon energy and angles, if any. More...
 
void compute (ParticlePropagator &Particle, RandomEngineAndDistribution const *)
 Generate Bremsstrahlung photons. More...
 
double gbteth (const double ener, const double partm, const double efrac, RandomEngineAndDistribution const *) const
 A universal angular distribution - still from GEANT. More...
 
unsigned int poisson (double ymu)
 Generate numbers according to a Poisson distribution of mean ymu. More...
 

Private Attributes

XYZTLorentzVector brem_photon
 
double bremProba
 
double d
 
XYZTLorentzVector deltaPMuon
 
TF1 * f1
 
int npar
 
double photonEnergy
 The minimum photon energy to be radiated, in GeV. More...
 
double photonFractE
 The minimum photon fractional energy (wrt that of the electron) More...
 
double rand
 
double xmax
 
double xmin
 The fractional photon energy cut (determined from the above two) More...
 

Additional Inherited Members

- Public Types inherited from MaterialEffectsSimulator
typedef std::vector
< RawParticle >
::const_iterator 
RHEP_const_iter
 
- Protected Attributes inherited from MaterialEffectsSimulator
std::vector< RawParticle_theUpdatedState
 
double A
 
double density
 
double radLen
 
double radLengths
 
int theClosestChargedDaughterId
 
GlobalVector theNormalVector
 
double Z
 

Detailed Description

Definition at line 31 of file MuonBremsstrahlungSimulator.h.

Constructor & Destructor Documentation

MuonBremsstrahlungSimulator::MuonBremsstrahlungSimulator ( double  A,
double  Z,
double  density,
double  radLen,
double  photonEnergyCut,
double  photonFractECut 
)

Constructor.

Definition at line 22 of file MuonBremsstrahlungSimulator.cc.

MuonBremsstrahlungSimulator::~MuonBremsstrahlungSimulator ( )
inline

Default destructor.

Definition at line 40 of file MuonBremsstrahlungSimulator.h.

40 {}

Member Function Documentation

XYZTLorentzVector MuonBremsstrahlungSimulator::brem ( ParticlePropagator p,
RandomEngineAndDistribution const *  random 
) const
private

Compute Brem photon energy and angles, if any.

Definition at line 130 of file MuonBremsstrahlungSimulator.cc.

void MuonBremsstrahlungSimulator::compute ( ParticlePropagator Particle,
RandomEngineAndDistribution const *  random 
)
privatevirtual

Generate Bremsstrahlung photons.

Implements MaterialEffectsSimulator.

Definition at line 37 of file MuonBremsstrahlungSimulator.cc.

const XYZTLorentzVector& MuonBremsstrahlungSimulator::deltaP_BremMuon ( ) const
inline

Definition at line 44 of file MuonBremsstrahlungSimulator.h.

References deltaPMuon.

44 { return deltaPMuon ; }
const XYZTLorentzVector& MuonBremsstrahlungSimulator::deltaP_BremPhoton ( ) const
inline

Definition at line 47 of file MuonBremsstrahlungSimulator.h.

References brem_photon.

47 { return brem_photon ; }
double MuonBremsstrahlungSimulator::gbteth ( const double  ener,
const double  partm,
const double  efrac,
RandomEngineAndDistribution const *  random 
) const
private

A universal angular distribution - still from GEANT.

Definition at line 169 of file MuonBremsstrahlungSimulator.cc.

unsigned int MuonBremsstrahlungSimulator::poisson ( double  ymu)
private

Generate numbers according to a Poisson distribution of mean ymu.

Member Data Documentation

XYZTLorentzVector MuonBremsstrahlungSimulator::brem_photon
private

Definition at line 84 of file MuonBremsstrahlungSimulator.h.

Referenced by deltaP_BremPhoton().

double MuonBremsstrahlungSimulator::bremProba
private

Definition at line 58 of file MuonBremsstrahlungSimulator.h.

double MuonBremsstrahlungSimulator::d
private

Definition at line 64 of file MuonBremsstrahlungSimulator.h.

XYZTLorentzVector MuonBremsstrahlungSimulator::deltaPMuon
private

Definition at line 82 of file MuonBremsstrahlungSimulator.h.

Referenced by deltaP_BremMuon().

TF1* MuonBremsstrahlungSimulator::f1
private

Definition at line 52 of file MuonBremsstrahlungSimulator.h.

int MuonBremsstrahlungSimulator::npar
private

Definition at line 54 of file MuonBremsstrahlungSimulator.h.

double MuonBremsstrahlungSimulator::photonEnergy
private

The minimum photon energy to be radiated, in GeV.

Definition at line 57 of file MuonBremsstrahlungSimulator.h.

double MuonBremsstrahlungSimulator::photonFractE
private

The minimum photon fractional energy (wrt that of the electron)

Definition at line 60 of file MuonBremsstrahlungSimulator.h.

double MuonBremsstrahlungSimulator::rand
private

Definition at line 63 of file MuonBremsstrahlungSimulator.h.

double MuonBremsstrahlungSimulator::xmax
private

Definition at line 63 of file MuonBremsstrahlungSimulator.h.

double MuonBremsstrahlungSimulator::xmin
private

The fractional photon energy cut (determined from the above two)

Definition at line 63 of file MuonBremsstrahlungSimulator.h.