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G4FermiChannels.hh
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file G4FermiChannels.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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//
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// FermiBreakUp de-excitation model
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// by V. Ivanchenko (July 2016)
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//
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#ifndef G4FermiChannels_h
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#define G4FermiChannels_h 1
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#include "
globals.hh
"
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#include "
G4FermiFragment.hh
"
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#include "
G4FermiPair.hh
"
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#include <vector>
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class
G4FermiChannels
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{
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public
:
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explicit
G4FermiChannels
(
size_t
nmax
,
G4double
ex,
G4double
gmass)
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:
nch
(0),
excitation
(ex),
ground_mass
(gmass)
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{
fvect
.reserve(nmax);
cum_prob
.reserve(nmax); };
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inline
size_t
GetNumberOfChannels
()
const
;
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inline
const
std::vector<const G4FermiPair*>&
GetChannels
()
const
;
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inline
const
G4FermiPair
*
GetPair
(
size_t
idx
)
const
;
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inline
const
G4FermiPair
*
SamplePair
(
G4double
rand)
const
;
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inline
void
AddChannel
(
const
G4FermiPair
*);
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inline
std::vector<G4double>&
GetProbabilities
();
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inline
G4double
GetExcitation
()
const
;
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inline
G4double
GetMass
()
const
;
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private
:
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inline
const
G4FermiChannels
&
operator=
(
const
G4FermiChannels
&);
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inline
G4FermiChannels
(
const
G4FermiChannels
&);
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inline
G4bool
operator==
(
const
G4FermiChannels
&);
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inline
G4bool
operator!=
(
const
G4FermiChannels
&);
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size_t
nch
;
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G4double
excitation
;
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G4double
ground_mass
;
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std::vector<const G4FermiPair*>
fvect
;
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std::vector<G4double>
cum_prob
;
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};
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inline
size_t
G4FermiChannels::GetNumberOfChannels
()
const
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{
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return
nch
;
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}
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inline
const
std::vector<const G4FermiPair*>&
G4FermiChannels::GetChannels
()
const
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{
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return
fvect
;
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}
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inline
const
G4FermiPair
*
G4FermiChannels::GetPair
(
size_t
idx
)
const
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{
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return
(idx <
nch
) ?
fvect
[
idx
] :
nullptr
;
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}
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inline
const
G4FermiPair
*
G4FermiChannels::SamplePair
(
G4double
rand)
const
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{
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const
G4FermiPair
* ptr =
nullptr
;
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for
(
size_t
i=0; i<
nch
; ++i) {
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if
(rand <=
cum_prob
[i]) { ptr =
fvect
[i];
break
; }
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}
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return
ptr;
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}
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inline
void
G4FermiChannels::AddChannel
(
const
G4FermiPair
* ptr)
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{
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fvect
.push_back(ptr);
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cum_prob
.push_back(1.0);
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++
nch
;
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}
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inline
std::vector<G4double>&
G4FermiChannels::GetProbabilities
()
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{
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return
cum_prob
;
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}
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inline
G4double
G4FermiChannels::GetExcitation
()
const
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{
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return
excitation
;
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}
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inline
G4double
G4FermiChannels::GetMass
()
const
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{
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return
excitation
+
ground_mass
;
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}
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#endif
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geant4
tree
geant4-10.6-release
source
processes
hadronic
models
de_excitation
fermi_breakup
include
G4FermiChannels.hh
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:41
using
1.8.2 with
ECCE GitHub integration