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G4ChipsKaonZeroElasticXS.cc
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file G4ChipsKaonZeroElasticXS.cc
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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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// The lust update: M.V. Kossov, CERN/ITEP(Moscow) 17-June-02
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//
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//
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// G4 Physics class: G4ChipsKaonZeroElasticXS for gamma+A cross sections
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// Created: M.V. Kossov, CERN/ITEP(Moscow), 20-Dec-03
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// The last update: M.V. Kossov, CERN/ITEP (Moscow) 15-Feb-04
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//
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// ****************************************************************************************
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// Short description: Cross-sections extracted (by W.Pokorski) from the CHIPS package for
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// K(zero)-nuclear interactions. Original author: M. Kossov
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// -------------------------------------------------------------------------------------
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//
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#include "
G4ChipsKaonZeroElasticXS.hh
"
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#include "
G4DynamicParticle.hh
"
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#include "
G4ParticleDefinition.hh
"
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#include "
G4KaonZero.hh
"
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#include "
G4KaonZeroLong.hh
"
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#include "
G4KaonZeroShort.hh
"
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#include "
G4AntiKaonZero.hh
"
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#include "
G4CrossSectionDataSetRegistry.hh
"
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// factory
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#include "
G4CrossSectionFactory.hh
"
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//
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G4_DECLARE_XS_FACTORY
(
G4ChipsKaonZeroElasticXS
);
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G4ChipsKaonZeroElasticXS::G4ChipsKaonZeroElasticXS
():
G4VCrossSectionDataSet
(Default_Name())
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{
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lastLEN
=0;
// Pointer to the lastArray of LowEn CS
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lastHEN
=0;
// Pointer to the lastArray of HighEnCS
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lastN
=0;
// The last N of calculated nucleus
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lastZ
=0;
// The last Z of calculated nucleus
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lastP
=0.;
// Last used in cross section Momentum
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lastTH
=0.;
// Last threshold momentum
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lastCS
=0.;
// Last value of the Cross Section
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lastI
=0;
// The last position in the DAMDB
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theKMinusCS
= (
G4ChipsKaonMinusElasticXS
*)
G4CrossSectionDataSetRegistry::Instance
()->
GetCrossSectionDataSet
(
G4ChipsKaonMinusElasticXS::Default_Name
());;
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theKPlusCS
= (
G4ChipsKaonPlusElasticXS
*)
G4CrossSectionDataSetRegistry::Instance
()->
GetCrossSectionDataSet
(
G4ChipsKaonPlusElasticXS::Default_Name
());
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}
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G4ChipsKaonZeroElasticXS::~G4ChipsKaonZeroElasticXS
()
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{
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}
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void
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G4ChipsKaonZeroElasticXS::CrossSectionDescription
(std::ostream& outFile)
const
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{
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outFile <<
"G4ChipsKaonZeroElasticXS provides the elastic cross\n"
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<<
"section for K0 nucleus scattering as a function of incident\n"
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<<
"momentum. The cross section is calculated using M. Kossov's\n"
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<<
"CHIPS parameterization of cross section data.\n"
;
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}
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G4bool
G4ChipsKaonZeroElasticXS::IsIsoApplicable
(
const
G4DynamicParticle
*,
G4int
,
G4int
,
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const
G4Element
*,
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const
G4Material
*)
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{
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return
true
;
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}
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// The main member function giving the collision cross section (P is in IU, CS is in mb)
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// Make pMom in independent units ! (Now it is MeV)
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G4double
G4ChipsKaonZeroElasticXS::GetIsoCrossSection
(
const
G4DynamicParticle
* Pt,
G4int
tgZ,
G4int
A
,
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const
G4Isotope
*,
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const
G4Element
*,
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const
G4Material
*)
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{
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G4double
pMom=Pt->
GetTotalMomentum
();
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G4int
N
= A - tgZ;
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return
GetChipsCrossSection
(pMom, tgZ, N, 311);
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}
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G4double
G4ChipsKaonZeroElasticXS::GetChipsCrossSection
(
G4double
mom
,
G4int
Z
,
G4int
N
,
G4int
pdg
)
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{
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return
(
theKMinusCS
->
GetChipsCrossSection
(mom,Z,N,pdg)
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+
theKPlusCS
->
GetChipsCrossSection
(mom,Z,N,pdg))/2;
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}
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geant4
tree
geant4-10.6-release
source
processes
hadronic
cross_sections
src
G4ChipsKaonZeroElasticXS.cc
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:37
using
1.8.2 with
ECCE GitHub integration