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G4PreCompoundFragmentVector.cc
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file G4PreCompoundFragmentVector.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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// Hadronic Process: Nuclear Preequilibrium
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// by V. Lara
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//
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// Modified:
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// 27.08.2010 V.Ivanchenko moved constructor and destructor to source,
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// simplify run time computations making inlined
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//
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#include "
G4PreCompoundFragmentVector.hh
"
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G4PreCompoundFragmentVector::G4PreCompoundFragmentVector
(
pcfvector
* avector)
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: theChannels(nullptr), nChannels(0)
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{
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SetVector
(avector);
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}
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void
G4PreCompoundFragmentVector::SetVector
(
pcfvector
* avector)
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{
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if
(avector !=
theChannels
) {
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delete
theChannels
;
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theChannels
= avector;
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}
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if
(
theChannels
) {
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nChannels
=
theChannels
->size();
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probabilities
.resize(
nChannels
, 0.0);
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}
else
{
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nChannels
= 0;
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probabilities
.clear();
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}
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}
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//for inverse cross section choice
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void
G4PreCompoundFragmentVector::SetOPTxs
(
G4int
opt)
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{
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for
(
G4int
i=0; i<
nChannels
; ++i) {
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(*theChannels)[i]->SetOPTxs(opt);
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}
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}
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//for superimposed Coulomb Barrier for inverse cross sections
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void
G4PreCompoundFragmentVector::UseSICB
(
G4bool
use)
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{
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for
(
G4int
i=0; i<
nChannels
; ++i) {
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(*theChannels)[i]->UseSICB(use);
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}
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}
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G4double
G4PreCompoundFragmentVector::CalculateProbabilities
(
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const
G4Fragment
& aFragment)
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{
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//G4cout << "## G4PreCompoundFragmentVector::CalculateProbabilities nCh= "
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// << nChannels << G4endl;
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G4double
probtot = 0.0;
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for
(
G4int
i=0; i<
nChannels
; ++i) {
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(*theChannels)[i]->Initialize(aFragment);
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G4double
prob = ((*theChannels)[i]->IsItPossible(aFragment))
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? (*
theChannels
)[i]->CalcEmissionProbability(aFragment)
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: 0.0;
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probtot += prob;
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probabilities
[i] = probtot;
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//G4cout<<" prob= " << prob << " probtot= " << probtot
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// << " for "<< i << "-th channel" <<G4endl;
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}
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return
probtot;
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}
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G4VPreCompoundFragment
*
G4PreCompoundFragmentVector::ChooseFragment
()
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{
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//G4cout << "## G4PreCompoundFragmentVector::ChooseFragment nCh= "
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// << nChannels << G4endl;
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G4double
x
=
probabilities
[
nChannels
-1]*
G4UniformRand
();
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G4int
i=0;
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for
(; i<
nChannels
; ++i) {
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if
(x <=
probabilities
[i]) {
break
; }
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}
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return
(*
theChannels
)[i];
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}
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geant4
tree
geant4-10.6-release
source
processes
hadronic
models
pre_equilibrium
exciton_model
src
G4PreCompoundFragmentVector.cc
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:49
using
1.8.2 with
ECCE GitHub integration