ActsFatras::Geant4Decay Class Reference

Handle particle decays using the Geant4 decay models. More...

#include <acts/blob/sPHENIX/Fatras/Geant4/include/ActsFatras/Geant4/Geant4Decay.hpp>

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Public Types
using	Scalar = Particle::Scalar

Public Member Functions
	Geant4Decay ()
	Constructor.
template<typename generator_t >
Scalar	generateProperTimeLimit (generator_t &generator, const Particle &particle) const
template<typename generator_t >
std::vector< Particle >	run (generator_t &generator, Particle &particle) const

Private Member Functions
std::vector< Particle >	decayParticle (const Particle &parent) const

Private Attributes
G4RunManager *	m_g4RunManager
	for dummy G4 initialization
PDGtoG4Converter	m_pdgToG4Conv
	Handle for converting a PDG ID into a Geant4 particle.

Detailed Description

Handle particle decays using the Geant4 decay models.

Definition at line 28 of file Geant4Decay.hpp.

View newest version in sPHENIX GitHub at line 28 of file Geant4Decay.hpp

Member Typedef Documentation

using ActsFatras::Geant4Decay::Scalar = Particle::Scalar

Definition at line 30 of file Geant4Decay.hpp.

View newest version in sPHENIX GitHub at line 30 of file Geant4Decay.hpp

Constructor & Destructor Documentation

ActsFatras::Geant4Decay::Geant4Decay

(

)

Constructor.

Definition at line 23 of file Geant4Decay.cpp.

View newest version in sPHENIX GitHub at line 23 of file Geant4Decay.cpp

Member Function Documentation

std::vector< ActsFatras::Particle > ActsFatras::Geant4Decay::decayParticle ( const Particle &  parent ) const

private

This function evaluates the decay products of a given particle

Parameters

[in]

parent

The decaying particle

Returns

Vector containing the decay products

Definition at line 26 of file Geant4Decay.cpp.

View newest version in sPHENIX GitHub at line 26 of file Geant4Decay.cpp

References channel(), Acts::eEnergy, Acts::eMom0, Acts::eMom1, Acts::eMom2, ActsFatras::Particle::fourMomentum(), ActsFatras::Particle::fourPosition(), Acts::UnitConstants::GeV, i, ActsFatras::Barcode::makeDescendant(), testing::internal::move(), ActsFatras::Particle::particleId(), pdg, ActsFatras::Particle::pdg(), ActsFatras::Particle::setPosition4(), and ActsFatras::Particle::setProcess().

Referenced by run().

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template<typename generator_t >

Particle::Scalar ActsFatras::Geant4Decay::generateProperTimeLimit	(	generator_t &	generator,
		const Particle &	particle
	)		const

Generate the particle life time.

Template Parameters

generator_t

Type of the random number generator

Parameters

[in,out]	generator	The random number generator
[in]	particle	The particle that gets a lifetime assigned

Returns

Proper time limit of the particle

Definition at line 70 of file Geant4Decay.hpp.

View newest version in sPHENIX GitHub at line 70 of file Geant4Decay.hpp

References Acts::eMuon, ActsFatras::PDGtoG4Converter::getParticleDefinition(), m_pdgToG4Conv, Acts::makeAbsolutePdgParticle(), Acts::UnitConstants::mm, ActsFatras::Particle::pdg(), physmon_simulation::s, and tau.

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template<typename generator_t >

std::vector< Particle > ActsFatras::Geant4Decay::run	(	generator_t &	generator,
		Particle &	particle
	)		const

Decay the particle and create the decay products.

Template Parameters

generator_t

Type of the random number generator

Parameters

[in,out]

particle

The particle that may decay

Returns

Vector containing decay products

Definition at line 97 of file Geant4Decay.hpp.

View newest version in sPHENIX GitHub at line 97 of file Geant4Decay.hpp

References decayParticle().

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Member Data Documentation

G4RunManager* ActsFatras::Geant4Decay::m_g4RunManager

mutableprivate

for dummy G4 initialization

Definition at line 63 of file Geant4Decay.hpp.

View newest version in sPHENIX GitHub at line 63 of file Geant4Decay.hpp

PDGtoG4Converter ActsFatras::Geant4Decay::m_pdgToG4Conv

private

Handle for converting a PDG ID into a Geant4 particle.

Definition at line 66 of file Geant4Decay.hpp.

View newest version in sPHENIX GitHub at line 66 of file Geant4Decay.hpp

Referenced by generateProperTimeLimit().

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The documentation for this class was generated from the following files:

• acts/blob/sPHENIX/Fatras/Geant4/include/ActsFatras/Geant4/Geant4Decay.hpp
• acts/blob/sPHENIX/Fatras/Geant4/src/Geant4Decay.cpp