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GVFlashShowerParameterisation.cc
Go to the documentation of this file.
Or view
the newest version in sPHENIX GitHub for file GVFlashShowerParameterisation.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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//
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// ------------------------------------------------------------
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// GEANT 4 class implementation
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//
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// ------- GVFlashShowerParameterisation -------
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//
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// Authors: Joanna Weng - 11.2005
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// ------------------------------------------------------------
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#include <cmath>
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#include "
GVFlashShowerParameterisation.hh
"
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#include "
G4PhysicalConstants.hh
"
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#include "
G4SystemOfUnits.hh
"
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#include "
Randomize.hh
"
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#include "
G4ios.hh
"
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#include "
G4Material.hh
"
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#include "
Gamma.hh
"
// @@@@
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#include "
G4MaterialTable.hh
"
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GVFlashShowerParameterisation::GVFlashShowerParameterisation
()
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: thePar(0), density(0.),
A
(0.),
Z
(0.), X0(0.), Ec(0.), Rm(0.), NSpot(0.)
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{
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fGamma
=
new
MyGamma
;
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}
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GVFlashShowerParameterisation::~GVFlashShowerParameterisation
()
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{
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delete
fGamma
;
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}
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G4double
GVFlashShowerParameterisation::GetEffZ
(
const
G4Material
*
mat
)
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{
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// Returns Z or effective Z=sum(pi*Zi) (if compound/mixture)
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// of given material
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//
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G4double
z
= 0.;
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G4int
nofElements = mat->
GetNumberOfElements
();
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if
(nofElements > 1)
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{
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for
(
G4int
i=0; i<nofElements; i++) {
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G4double
zOfElement = mat->
GetElement
(i)->
GetZ
();
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G4double
massFraction = mat->
GetFractionVector
()[i];
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// cout << mat->GetElement(i)->GetName()
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// <<" Z= "<<zOfElement << " , Fraction= "<<massFraction <<endl;
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z += zOfElement*massFraction;
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}
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}
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else
{
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z = mat->
GetZ
();
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}
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return
z
;
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}
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G4double
GVFlashShowerParameterisation::GetEffA
(
const
G4Material
*
mat
)
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{
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// Returns A or effective A=sum(pi*Ai) (if compound/mixture)
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// of given material
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//
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G4double
a
= 0.;
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G4int
nofElements = mat->
GetNumberOfElements
();
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if
(nofElements > 1) {
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for
(
G4int
i=0; i<nofElements; i++) {
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G4double
aOfElement = mat->
GetElement
(i)->
GetA
()/(
g
/
mole
);
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G4double
massFraction = mat->
GetFractionVector
()[i];
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a += aOfElement*massFraction;
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}
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}
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else
{
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a = mat->
GetA
()/(
g
/
mole
);
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}
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return
a
;
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}
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void
GVFlashShowerParameterisation::PrintMaterial
(
const
G4Material
*
mat
)
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{
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G4cout
<<
"/********************************************/ "
<<
G4endl
;
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G4cout
<<
" - GVFlashShowerParameterisation::Material - "
<<
G4endl
;
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G4cout
<<
" Material : "
<< mat->
GetName
() <<
G4endl
;
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G4cout
<<
" Z = "
<<
Z
<<
G4endl
;
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G4cout
<<
" A = "
<<
A
<<
G4endl
;
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G4cout
<<
" X0 = "
<<
X0
/
cm
<<
" cm"
<<
G4endl
;
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G4cout
<<
" Rm = "
<<
Rm
/
cm
<<
" cm"
<<
G4endl
;
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G4cout
<<
" Ec = "
<<
Ec
/
MeV
<<
" MeV"
<<
G4endl
;
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G4cout
<<
"/********************************************/ "
<<
G4endl
;
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}
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G4double
GVFlashShowerParameterisation::GeneratePhi
()
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{
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G4double
Phi =
twopi
*
G4UniformRand
() ;
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return
Phi;
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}
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G4double
GVFlashShowerParameterisation::gam
(
G4double
x
,
G4double
a
)
const
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{
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return
fGamma
->
Gamma
(a, x);
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}
geant4
tree
geant4-10.6-release
source
parameterisations
gflash
src
GVFlashShowerParameterisation.cc
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:23
using
1.8.2 with
ECCE GitHub integration