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G4RKFieldIntegrator.hh
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file G4RKFieldIntegrator.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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#ifndef G4RKFieldIntegrator_h
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#define G4RKFieldIntegrator_h 1
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#include "
G4FieldPropagation.hh
"
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class
G4RKFieldIntegrator
:
public
G4FieldPropagation
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{
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public
:
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G4RKFieldIntegrator
() {}
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G4RKFieldIntegrator
(
const
G4RKFieldIntegrator
&):
G4FieldPropagation
() {}
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~G4RKFieldIntegrator
() {}
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//Operators
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const
G4RKFieldIntegrator
&
operator=
(
const
G4RKFieldIntegrator
&) {
return
*
this
;}
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G4bool
operator==
(
const
G4RKFieldIntegrator
&)
const
{
return
1;}
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G4bool
operator!=
(
const
G4RKFieldIntegrator
&)
const
{
return
1;}
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// only theActive are propagated, nothing else
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// only theSpectators define the field, nothing else
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void
Transport
(
G4KineticTrackVector
&theActive,
const
G4KineticTrackVector
&theSpectators,
G4double
theTimeStep);
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G4double
GetExcitationEnergy
(
G4int
nHitNucleons,
const
G4KineticTrackVector
&theParticles);
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// methods for calculating potentials for different types of particles
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void
Init
(
G4int
z
,
G4int
a
) {
theZ
=
z
;
theA
=
a
;}
// prepare potentials' functions
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// aPosition is relative to the nucleus center
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G4double
GetNeutronPotential
(
G4double
radius
);
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G4double
GetNeutronPotential
(
G4ThreeVector
&aPosition) {
return
GetNeutronPotential
(aPosition.
mag
());}
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G4double
GetProtonPotential
(
G4double
radius
);
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G4double
GetProtonPotential
(
G4ThreeVector
&aPosition) {
return
GetProtonPotential
(aPosition.
mag
());}
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G4double
GetAntiprotonPotential
(
G4double
radius
);
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G4double
GetAntiprotonPotential
(
G4ThreeVector
&aPosition) {
return
GetAntiprotonPotential
(aPosition.
mag
());};
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G4double
GetKaonPotential
(
G4double
radius
);
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G4double
GetKaonPotential
(
G4ThreeVector
&aPosition) {
return
GetKaonPotential
(aPosition.
mag
());}
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G4double
GetPionPotential
(
G4double
radius
);
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G4double
GetPionPotential
(
G4ThreeVector
&aPosition) {
return
GetPionPotential
(aPosition.
mag
());}
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private
:
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void
Integrate
(
const
G4KineticTrackVector
& theActive,
G4double
theTimeStep);
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G4double
CalculateTotalEnergy
(
const
G4KineticTrackVector
& Barions);
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G4double
Erf
(
G4double
X
);
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// parameters to calculate potentials
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G4int
theA
;
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G4int
theZ
;
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// Vc(A, Z) = 1.44 * Z /(r0*(1 + std::pow(A, 1/3)))
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// = colomb * Z / (1 + std::pow(A, 1/3))
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static
const
G4double
coulomb
;
// coulomb barier constant
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static
const
G4double
a_kaon
;
// kaon's potential constant
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static
const
G4double
a_pion
;
// pion's potential constant
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static
const
G4double
a_antiproton
;
// antiproton's potential constant
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};
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#endif // G4RKFieldIntegrator_h
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geant4
tree
geant4-10.6-release
source
processes
hadronic
models
binary_cascade
include
G4RKFieldIntegrator.hh
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:38
using
1.8.2 with
ECCE GitHub integration