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geant4.10.00.p01
source
processes
hadronic
models
neutron_hp
include
G4NeutronHPNBodyPhaseSpace.hh
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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//
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#ifndef G4NeutronHPNBodyPhaseSpace_h
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#define G4NeutronHPNBodyPhaseSpace_h 1
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#include <fstream>
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#include <
CLHEP/Units/PhysicalConstants.h
>
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#include "
globals.hh
"
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#include "
G4ios.hh
"
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#include "
G4Neutron.hh
"
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#include "
G4VNeutronHPEnergyAngular.hh
"
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#include "
G4ReactionProduct.hh
"
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class
G4NeutronHPNBodyPhaseSpace
:
public
G4VNeutronHPEnergyAngular
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{
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public
:
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G4NeutronHPNBodyPhaseSpace
(){}
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~G4NeutronHPNBodyPhaseSpace
(){}
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public
:
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void
Init
(
G4double
aMass,
G4int
aCount)
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{
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theTotalMass=aMass;
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theTotalCount=aCount;
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}
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void
Init
(std::istream & aDataFile)
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{
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aDataFile >> theTotalMass >> theTotalCount;
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theTotalMass *=
G4Neutron::Neutron
()->
GetPDGMass
();
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}
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G4ReactionProduct
*
Sample
(
G4double
anEnergy,
G4double
massCode,
G4double
mass);
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private
:
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inline
G4double
Prob(
G4double
anEnergy,
G4double
eMax,
G4int
n
)
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{
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G4double
result;
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result = std::sqrt(anEnergy)*std::pow(eMax-anEnergy, 3.*n/2.-4.);
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return
result;
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}
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inline
G4double
C(
G4double
anEnergy,
G4double
mass)
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{
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G4double
result(0);
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if
(theTotalCount==3) result = 4./CLHEP::pi/std::pow(GetEmax(anEnergy, mass),2);
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if
(theTotalCount==4) result = 105./32./std::pow(GetEmax(anEnergy, mass), 3.5);
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if
(theTotalCount==5) result = 256./14./CLHEP::pi/std::pow(GetEmax(anEnergy, mass), 5.);
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return
result;
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}
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inline
G4double
GetEmax(
G4double
anEnergy,
G4double
mass)
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{
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G4double
result;
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G4double
tMass =
GetTarget
()->
GetMass
();
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G4double
pMass =
GetNeutron
()->
GetMass
();
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G4double
availableEnergy =
GetQValue
() + anEnergy*tMass/(pMass+tMass);
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result = availableEnergy*(theTotalMass-mass)/theTotalMass;
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return
result;
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}
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G4double
MeanEnergyOfThisInteraction() {
return
-1; }
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private
:
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G4double
theTotalMass;
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G4int
theTotalCount;
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};
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#endif
G4VNeutronHPEnergyAngular::GetNeutron
G4ReactionProduct * GetNeutron()
Definition:
G4VNeutronHPEnergyAngular.hh:72
G4VNeutronHPEnergyAngular
Definition:
G4VNeutronHPEnergyAngular.hh:39
G4NeutronHPNBodyPhaseSpace::Init
void Init(G4double aMass, G4int aCount)
Definition:
G4NeutronHPNBodyPhaseSpace.hh:49
G4int
int G4int
Definition:
G4Types.hh:78
G4ReactionProduct
Definition:
G4ReactionProduct.hh:53
G4Neutron.hh
G4VNeutronHPEnergyAngular::GetTarget
G4ReactionProduct * GetTarget()
Definition:
G4VNeutronHPEnergyAngular.hh:70
G4VNeutronHPEnergyAngular::GetQValue
G4double GetQValue()
Definition:
G4VNeutronHPEnergyAngular.hh:80
PhysicalConstants.h
G4Neutron::Neutron
static G4Neutron * Neutron()
Definition:
G4Neutron.cc:104
n
const G4int n
Definition:
G4UrQMD1_3Interface.hh:144
globals.hh
G4NeutronHPNBodyPhaseSpace
Definition:
G4NeutronHPNBodyPhaseSpace.hh:40
G4NeutronHPNBodyPhaseSpace::Init
void Init(std::istream &aDataFile)
Definition:
G4NeutronHPNBodyPhaseSpace.hh:55
G4ParticleDefinition::GetPDGMass
G4double GetPDGMass() const
Definition:
G4ParticleDefinition.hh:161
G4ios.hh
G4NeutronHPNBodyPhaseSpace::Sample
G4ReactionProduct * Sample(G4double anEnergy, G4double massCode, G4double mass)
Definition:
G4NeutronHPNBodyPhaseSpace.cc:42
G4NeutronHPNBodyPhaseSpace::G4NeutronHPNBodyPhaseSpace
G4NeutronHPNBodyPhaseSpace()
Definition:
G4NeutronHPNBodyPhaseSpace.hh:44
G4double
double G4double
Definition:
G4Types.hh:76
G4VNeutronHPEnergyAngular.hh
G4ReactionProduct::GetMass
G4double GetMass() const
Definition:
G4ReactionProduct.hh:150
G4ReactionProduct.hh
G4NeutronHPNBodyPhaseSpace::~G4NeutronHPNBodyPhaseSpace
~G4NeutronHPNBodyPhaseSpace()
Definition:
G4NeutronHPNBodyPhaseSpace.hh:45
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