Gabriele Cosmo
261 lines
7.4 KiB
C++
261 lines
7.4 KiB
C++
//
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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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// INCL++ intra-nuclear cascade model
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// Alain Boudard, CEA-Saclay, France
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// Joseph Cugnon, University of Liege, Belgium
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// Jean-Christophe David, CEA-Saclay, France
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// Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
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// Sylvie Leray, CEA-Saclay, France
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// Davide Mancusi, CEA-Saclay, France
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//
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#define INCLXX_IN_GEANT4_MODE 1
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#include "globals.hh"
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#include "G4INCLNNToNSKpiChannel.hh"
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#include "G4INCLKinematicsUtils.hh"
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#include "G4INCLBinaryCollisionAvatar.hh"
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#include "G4INCLRandom.hh"
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#include "G4INCLGlobals.hh"
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#include "G4INCLLogger.hh"
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#include <algorithm>
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#include "G4INCLPhaseSpaceGenerator.hh"
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namespace G4INCL {
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const G4double NNToNSKpiChannel::angularSlope = 2.; // What is the exact effect? Sould be check
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NNToNSKpiChannel::NNToNSKpiChannel(Particle *p1, Particle *p2)
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: particle1(p1), particle2(p2)
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{}
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NNToNSKpiChannel::~NNToNSKpiChannel(){}
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void NNToNSKpiChannel::fillFinalState(FinalState *fs) {
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// pp (36) pn (36)
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//
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// pp -> p pi+ S- K+ (9)
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// pp -> p pi+ S0 K0 (9)
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// pp -> p pi0 S+ K0 (4)
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// pp -> n pi+ S+ K0 (2)
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// pp -> p pi0 S0 K+ (4)
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// pp -> n pi+ S0 K+ (2)
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// pp -> p pi- S+ K+ (2)
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// pp -> n pi0 S+ K+ (4)
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// pn -> p pi0 S- K+ (4)
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// pn -> n pi+ S- K+ (2)
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// pn -> p pi0 S0 K0 (2)
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// pn -> n pi+ S0 K0 (1)
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// pn -> p pi+ S- K0 (9)
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const G4double sqrtS = KinematicsUtils::totalEnergyInCM(particle1, particle2);
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const G4int iso = ParticleTable::getIsospin(particle1->getType()) + ParticleTable::getIsospin(particle2->getType());
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ParticleType KaonType;
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ParticleType PionType;
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G4double rdm = Random::shoot();
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if(iso == 2){
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if(rdm * 36. < 9.){
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KaonType = KPlus;
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PionType = PiPlus;
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particle2->setType(SigmaMinus);
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}
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else if(rdm * 36. < 18.){
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KaonType = KZero;
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PionType = PiPlus;
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particle2->setType(SigmaZero);
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}
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else if(rdm * 36. < 22.){
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KaonType = KZero;
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PionType = PiZero;
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particle2->setType(SigmaPlus);
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}
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else if(rdm * 36. < 24.){
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KaonType = KZero;
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PionType = PiPlus;
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particle1->setType(Neutron);
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particle2->setType(SigmaPlus);
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}
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else if(rdm * 36. < 28.){
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KaonType = KPlus;
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PionType = PiZero;
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particle2->setType(SigmaZero);
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}
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else if(rdm * 36. < 30.){
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KaonType = KPlus;
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PionType = PiPlus;
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particle1->setType(Neutron);
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particle2->setType(SigmaZero);
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}
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else if(rdm * 36. < 32.){
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KaonType = KPlus;
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PionType = PiMinus;
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particle2->setType(SigmaPlus);
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}
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else{
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KaonType = KPlus;
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PionType = PiZero;
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particle1->setType(Neutron);
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particle2->setType(SigmaPlus);
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}
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}
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else if(iso == -2){
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if(rdm * 36. < 9.){
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KaonType = KZero;
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PionType = PiMinus;
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particle2->setType(SigmaPlus);
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}
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else if(rdm * 36. < 18.){
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KaonType = KPlus;
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PionType = PiMinus;
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particle2->setType(SigmaZero);
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}
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else if(rdm * 36. < 22.){
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KaonType = KPlus;
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PionType = PiZero;
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particle2->setType(SigmaMinus);
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}
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else if(rdm * 36. < 24.){
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KaonType = KPlus;
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PionType = PiMinus;
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particle1->setType(Proton);
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particle2->setType(SigmaMinus);
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}
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else if(rdm * 36. < 28.){
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KaonType = KZero;
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PionType = PiZero;
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particle2->setType(SigmaZero);
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}
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else if(rdm * 36. < 30.){
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KaonType = KZero;
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PionType = PiMinus;
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particle1->setType(Proton);
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particle2->setType(SigmaZero);
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}
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else if(rdm * 36. < 32.){
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KaonType = KZero;
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PionType = PiPlus;
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particle2->setType(SigmaMinus);
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}
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else{
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KaonType = KZero;
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PionType = PiZero;
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particle1->setType(Proton);
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particle2->setType(SigmaMinus);
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}
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}
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else if(rdm*36. < 4.){
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KaonType = KPlus;
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PionType = PiZero;
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particle1->setType(Proton);
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particle2->setType(SigmaMinus);
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}
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else if(rdm*36. < 6.){
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KaonType = KZero;
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PionType = PiZero;
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particle1->setType(Neutron);
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particle2->setType(SigmaPlus);
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}
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else if(rdm*36. < 8.){
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KaonType = KPlus;
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PionType = PiPlus;
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particle1->setType(Neutron);
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particle2->setType(SigmaMinus);
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}
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else if(rdm*36. < 9.){
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KaonType = KZero;
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PionType = PiMinus;
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particle1->setType(Proton);
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particle2->setType(SigmaPlus);
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}
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else if(rdm*36. < 18.){
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KaonType = KZero;
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PionType = PiZero;
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particle1->setType(Proton);
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particle2->setType(SigmaZero);
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}
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else if(rdm*36. < 27.){
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KaonType = KPlus;
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PionType = PiZero;
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particle1->setType(Neutron);
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particle2->setType(SigmaZero);
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}
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else if(rdm*36. < 28.){
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KaonType = KZero;
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PionType = PiPlus;
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particle1->setType(Neutron);
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particle2->setType(SigmaZero);
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}
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else if(rdm*36. < 30.){
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KaonType = KPlus;
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PionType = PiMinus;
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particle1->setType(Proton);
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particle2->setType(SigmaZero);
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}
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else if(rdm*36. < 32.){
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KaonType = KZero;
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PionType = PiPlus;
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particle1->setType(Proton);
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particle2->setType(SigmaMinus);
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}
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else{
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KaonType = KPlus;
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PionType = PiMinus;
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particle1->setType(Neutron);
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particle2->setType(SigmaPlus);
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}
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ParticleList list;
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list.push_back(particle1);
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list.push_back(particle2);
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const ThreeVector &rcol1 = particle1->getPosition();
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const ThreeVector &rcol2 = particle2->getPosition();
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const ThreeVector zero;
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Particle *pion = new Particle(PionType,zero,rcol1);
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Particle *kaon = new Particle(KaonType,zero,rcol2);
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list.push_back(kaon);
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list.push_back(pion);
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if(Random::shoot()<0.5) PhaseSpaceGenerator::generateBiased(sqrtS, list, 0, angularSlope);
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else PhaseSpaceGenerator::generateBiased(sqrtS, list, 1, angularSlope);
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INCL_DEBUG("NNToNSKpi " << (kaon->getMomentum().theta()) * 180. / G4INCL::Math::pi << '\n');
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fs->addModifiedParticle(particle1);
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fs->addModifiedParticle(particle2);
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fs->addCreatedParticle(kaon);
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fs->addCreatedParticle(pion);
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}
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}
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