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G4Positron.cc
Go to the documentation of this file.
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//
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// ********************************************************************
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// * License and Disclaimer *
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// * *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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//
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// $Id: G4Positron.cc 69015 2013-04-15 09:46:48Z gcosmo $
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//
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//
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// ----------------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// History: first implementation, based on object model of
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// 4th April 1996, G.Cosmo
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// **********************************************************************
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// New impelemenataion as an utility class M.Asai, 26 July 2004
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// ----------------------------------------------------------------------
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#include "
G4Positron.hh
"
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#include "
G4PhysicalConstants.hh
"
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#include "
G4SystemOfUnits.hh
"
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#include "
G4ParticleTable.hh
"
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// ######################################################################
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// ### POSITRON ###
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// ######################################################################
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G4Positron
* G4Positron::theInstance = 0;
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G4Positron
*
G4Positron::Definition
()
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{
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if
(theInstance !=0)
return
theInstance;
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const
G4String
name
=
"e+"
;
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// search in particle table]
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G4ParticleTable
* pTable =
G4ParticleTable::GetParticleTable
();
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G4ParticleDefinition
* anInstance = pTable->
FindParticle
(name);
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if
(anInstance ==0)
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{
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// create particle
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//
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// Arguments for constructor are as follows
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// name mass width charge
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// 2*spin parity C-conjugation
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// 2*Isospin 2*Isospin3 G-parity
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// type lepton number baryon number PDG encoding
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// stable lifetime decay table
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// shortlived subType anti_encoding
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// use constants in CLHEP
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// static const double electron_mass_c2 = 0.51099906 * MeV;
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anInstance =
new
G4ParticleDefinition
(
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name,
electron_mass_c2
, 0.0*
MeV
, +1.*
eplus
,
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1, 0, 0,
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0, 0, 0,
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"lepton"
, -1, 0, -11,
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true
, -1.0, NULL,
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false
,
"e"
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);
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// Bohr Magnetron
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G4double
muB = 0.5*
eplus
*
hbar_Planck
/(
electron_mass_c2
/
c_squared
) ;
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anInstance->
SetPDGMagneticMoment
( muB * 1.00115965218076 );
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}
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theInstance =
reinterpret_cast<
G4Positron
*
>
(anInstance);
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return
theInstance;
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}
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G4Positron
*
G4Positron::PositronDefinition
()
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{
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return
Definition
();
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}
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G4Positron
*
G4Positron::Positron
()
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{
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return
Definition
();
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}
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G4ParticleTable::FindParticle
G4ParticleDefinition * FindParticle(G4int PDGEncoding)
Definition:
G4ParticleTable.cc:620
python.hepunit.MeV
MeV
Definition:
hepunit.py:117
python.hepunit.c_squared
c_squared
Definition:
hepunit.py:258
name
const XML_Char * name
Definition:
expat.h:151
python.hepunit.hbar_Planck
hbar_Planck
Definition:
hepunit.py:264
G4ParticleDefinition
Definition:
G4ParticleDefinition.hh:111
G4ParticleDefinition::G4ParticleDefinition
G4ParticleDefinition()
Definition:
G4ParticleDefinition.cc:202
G4Positron::Definition
static G4Positron * Definition()
Definition:
G4Positron.cc:49
G4Positron
Definition:
G4Positron.hh:51
G4ParticleTable.hh
G4ParticleTable
Definition:
G4ParticleTable.hh:65
G4Positron.hh
python.hepunit.electron_mass_c2
float electron_mass_c2
Definition:
hepunit.py:274
G4PhysicalConstants.hh
G4Positron::PositronDefinition
static G4Positron * PositronDefinition()
Definition:
G4Positron.cc:89
G4Positron::Positron
static G4Positron * Positron()
Definition:
G4Positron.cc:94
G4ParticleTable::GetParticleTable
static G4ParticleTable * GetParticleTable()
Definition:
G4ParticleTable.cc:95
G4double
double G4double
Definition:
G4Types.hh:76
G4SystemOfUnits.hh
python.hepunit.eplus
int eplus
Definition:
hepunit.py:100
G4ParticleDefinition::SetPDGMagneticMoment
void SetPDGMagneticMoment(G4double mageticMoment)
G4String
Definition:
G4String.hh:45
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