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G4AntiNeutronAnnihilationAtRest.hh
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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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// G4AntiNeutronAnnihilationAtRest physics process
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// Larry Felawka (TRIUMF), April 1998
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//---------------------------------------------------------------------
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#ifndef G4AntiNeutronAnnihilationAtRest_h
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#define G4AntiNeutronAnnihilationAtRest_h 1
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// Class Description:
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//
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// Process for absorption of n-bar at rest.
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// To be used in your physics list in case you need this physics.
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#include "
globals.hh
"
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#include "
Randomize.hh
"
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#include "
G4VRestProcess.hh
"
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#include "
G4VParticleChange.hh
"
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#include "
G4ParticleDefinition.hh
"
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#include "
G4GHEKinematicsVector.hh
"
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#include "
G4HadronicProcessType.hh
"
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class
G4AntiNeutronAnnihilationAtRest
:
public
G4VRestProcess
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{
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private
:
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// hide assignment operator as private
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G4AntiNeutronAnnihilationAtRest
&
operator=
(
const
G4AntiNeutronAnnihilationAtRest
&
right
);
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G4AntiNeutronAnnihilationAtRest
(
const
G4AntiNeutronAnnihilationAtRest
& );
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public
:
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G4AntiNeutronAnnihilationAtRest
(
const
G4String
& processName =
"AntiNeutronAnnihilationAtRest"
,
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G4ProcessType
aType =
fHadronic
);
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~G4AntiNeutronAnnihilationAtRest
();
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G4bool
IsApplicable
(
const
G4ParticleDefinition
&);
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void
PreparePhysicsTable
(
const
G4ParticleDefinition
&);
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void
BuildPhysicsTable
(
const
G4ParticleDefinition
&);
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G4double
AtRestGetPhysicalInteractionLength
(
const
G4Track
&,
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G4ForceCondition
*);
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// zero mean lifetime
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G4double
GetMeanLifeTime
(
const
G4Track
& ,
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G4ForceCondition
* ) {
return
0.0;}
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G4VParticleChange
*
AtRestDoIt
(
const
G4Track
&,
const
G4Step
&);
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// return number of secondaries produced
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G4int
GetNumberOfSecondaries
();
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// pointer to array containg kinematics of secondaries
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G4GHEKinematicsVector
*
GetSecondaryKinematics
();
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private
:
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void
GenerateSecondaries
();
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void
Poisso
(
G4float
,
G4int
* );
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void
Normal
(
G4float
* );
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void
AntiNeutronAnnihilation
(
G4int
* );
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G4double
ExNu
(
G4float
);
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G4int
NFac
(
G4int
);
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private
:
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// global time-of-flight of stopped AntiNeutron
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G4float
globalTime
;
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// atomic mass of target nucleus
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G4float
targetAtomicMass
;
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// charge of target nucleus
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G4float
targetCharge
;
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G4GHEKinematicsVector
*
pv
;
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G4GHEKinematicsVector
*
eve
;
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G4GHEKinematicsVector
*
gkin
;
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G4float
evapEnergy1
;
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G4float
evapEnergy3
;
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G4int
ngkine
;
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G4int
ntot
;
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G4GHEKinematicsVector
result
;
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G4float
massPionMinus
;
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G4float
massPionZero
;
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G4float
massPionPlus
;
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G4float
massGamma
;
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G4float
massAntiNeutron
;
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G4float
massNeutron
;
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G4ParticleDefinition
*
pdefGamma
;
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G4ParticleDefinition
*
pdefPionPlus
;
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G4ParticleDefinition
*
pdefPionZero
;
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G4ParticleDefinition
*
pdefPionMinus
;
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G4ParticleDefinition
*
pdefProton
;
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G4ParticleDefinition
*
pdefNeutron
;
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G4ParticleDefinition
*
pdefAntiNeutron
;
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G4ParticleDefinition
*
pdefDeuteron
;
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G4ParticleDefinition
*
pdefTriton
;
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G4ParticleDefinition
*
pdefAlpha
;
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};
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#endif
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hadronic
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include
G4AntiNeutronAnnihilationAtRest.hh
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. updated:
Wed Jun 29 2022 17:25:51
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