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include
G4AlphaGEMCoulombBarrier.hh
Go to the documentation of this file.
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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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// J. M. Quesada (July 2009) based on G4AlphaCoulombBarrier
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// Coded strictly according to Furihata's GEM paper
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//
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#ifndef G4AlphaGEMCoulombBarrier_h
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#define G4AlphaGEMCoulombBarrier_h 1
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#include "
G4GEMCoulombBarrier.hh
"
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#include "
globals.hh
"
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class
G4AlphaGEMCoulombBarrier
:
public
G4GEMCoulombBarrier
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{
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public
:
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G4AlphaGEMCoulombBarrier
() :
G4GEMCoulombBarrier
(4,2) {};
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~G4AlphaGEMCoulombBarrier
() {};
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private
:
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G4AlphaGEMCoulombBarrier
(
const
G4AlphaGEMCoulombBarrier
&
right
);
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const
G4AlphaGEMCoulombBarrier
& operator=(
const
G4AlphaGEMCoulombBarrier
&
right
);
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G4bool
operator==(
const
G4AlphaGEMCoulombBarrier
&
right
)
const
;
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G4bool
operator!=(
const
G4AlphaGEMCoulombBarrier
&
right
)
const
;
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public
:
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G4double
BarrierPenetrationFactor
(
G4double
aZ)
const
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{
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// Data comes from
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// Dostrovsky, Fraenkel and Friedlander
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// Physical Review, vol 116, num. 3 1959
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// (JMQ 190709: according to notes added on proof)
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// dataKa = {{20, 0.81}, {30, 0.85}, {40, 0.89}, {50, 0.93}};
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//
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G4double
K = 1.0;
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if
(aZ >= 50){
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K=0.93;
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}
else
if
(aZ <= 20) {
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K=0.81;
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}
else
K=0.729802+0.00402544*aZ-1.17276*1e-6*aZ*aZ+2.31248*1e-8*aZ*aZ*aZ-1.65177*1e-10*aZ*aZ*aZ*aZ;
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return
K;
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}
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};
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#endif
G4AlphaGEMCoulombBarrier::G4AlphaGEMCoulombBarrier
G4AlphaGEMCoulombBarrier()
Definition:
G4AlphaGEMCoulombBarrier.hh:41
right
Definition:
F04UserTrackInformation.hh:37
G4AlphaGEMCoulombBarrier::BarrierPenetrationFactor
G4double BarrierPenetrationFactor(G4double aZ) const
Definition:
G4AlphaGEMCoulombBarrier.hh:52
G4GEMCoulombBarrier.hh
G4bool
bool G4bool
Definition:
G4Types.hh:79
G4AlphaGEMCoulombBarrier
Definition:
G4AlphaGEMCoulombBarrier.hh:38
globals.hh
G4GEMCoulombBarrier
Definition:
G4GEMCoulombBarrier.hh:37
G4double
double G4double
Definition:
G4Types.hh:76
G4AlphaGEMCoulombBarrier::~G4AlphaGEMCoulombBarrier
~G4AlphaGEMCoulombBarrier()
Definition:
G4AlphaGEMCoulombBarrier.hh:42
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