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G4DiffractiveExcitation.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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#ifndef G4DiffractiveExcitation_h
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#define G4DiffractiveExcitation_h 1
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// ------------------------------------------------------------
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// GEANT 4 class header file
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//
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// ---------------- G4DiffractiveExcitation --------------
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// by Gunter Folger, October 1998.
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// diffractive Excitation used by strings models
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// Take a projectile and a target
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// excite the projectile and target
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// ------------------------------------------------------------
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#include "
globals.hh
"
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#include "
G4FTFParameters.hh
"
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#include "
G4ElasticHNScattering.hh
"
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#include "
G4ThreeVector.hh
"
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#include "
G4LorentzVector.hh
"
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#include "
G4LorentzRotation.hh
"
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class
G4VSplitableHadron
;
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class
G4ExcitedString
;
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class
G4DiffractiveExcitation
{
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public
:
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G4DiffractiveExcitation
();
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virtual
~G4DiffractiveExcitation
();
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virtual
G4bool
ExciteParticipants
(
G4VSplitableHadron
* aPartner,
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G4VSplitableHadron
* bPartner,
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G4FTFParameters
* theParameters,
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G4ElasticHNScattering
* theElastic )
const
;
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virtual
void
CreateStrings
(
G4VSplitableHadron
* aHadron,
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G4bool
isProjectile,
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G4ExcitedString
*& FirstString,
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G4ExcitedString
*& SecondString,
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G4FTFParameters
* theParameters )
const
;
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private
:
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G4DiffractiveExcitation
(
const
G4DiffractiveExcitation
&
right
);
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const
G4DiffractiveExcitation
&
operator=
(
const
G4DiffractiveExcitation
& right );
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G4bool
operator==
(
const
G4DiffractiveExcitation
& right )
const
;
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G4bool
operator!=
(
const
G4DiffractiveExcitation
& right )
const
;
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G4double
LambdaF
(
G4double
sqrM,
G4double
sqrM1,
G4double
sqrM2)
const
;
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G4ThreeVector
GaussianPt
(
G4double
AveragePt2,
G4double
maxPtSquare )
const
;
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G4double
ChooseP
(
G4double
Pmin,
G4double
Pmax )
const
;
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G4double
GetQuarkFractionOfKink
(
G4double
zmin,
G4double
zmax )
const
;
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void
UnpackMeson
(
G4int
IdPDG,
G4int
& Q1,
G4int
& Q2 )
const
;
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void
UnpackBaryon
(
G4int
IdPDG,
G4int
& Q1,
G4int
& Q2,
G4int
& Q3 )
const
;
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G4int
NewNucleonId
(
G4int
Q1,
G4int
Q2,
G4int
Q3 )
const
;
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// The "ExciteParticipants" method uses the following struct and 3 new utility methods:
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struct
CommonVariables
{
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G4int
ProjectilePDGcode
= 0,
absProjectilePDGcode
= 0,
TargetPDGcode
= 0,
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absTargetPDGcode
= 0;
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G4double
M0projectile
= 0.0,
M0projectile2
= 0.0,
M0target
= 0.0,
M0target2
= 0.0,
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ProjMassT
= 0.0,
ProjMassT2
= 0.0,
TargMassT
= 0.0,
TargMassT2
= 0.0,
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MminProjectile
= 0.0,
MminTarget
= 0.0,
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ProjectileDiffStateMinMass
= 0.0,
ProjectileDiffStateMinMass2
= 0.0,
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ProjectileNonDiffStateMinMass
= 0.0,
ProjectileNonDiffStateMinMass2
= 0.0,
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TargetDiffStateMinMass
= 0.0,
TargetDiffStateMinMass2
= 0.0,
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TargetNonDiffStateMinMass
= 0.0,
TargetNonDiffStateMinMass2
= 0.0,
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S
= 0.0,
SqrtS
= 0.0,
Pt2
= 0.0,
PZcms
= 0.0,
PZcms2
= 0.0,
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AveragePt2 = 0.0, maxPtSquare = 0.0,
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ProbExc
= 0.0,
Qminus
= 0.0,
Qplus
= 0.0,
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PMinusNew
= 0.0,
PPlusNew
= 0.0,
TMinusNew
= 0.0,
TPlusNew
= 0.0,
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PMinusMin
= 0.0,
PMinusMax
= 0.0,
TPlusMin
= 0.0,
TPlusMax
= 0.0,
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ProbProjectileDiffraction
= 0.0,
ProbTargetDiffraction
= 0.0,
ProbOfDiffraction
= 0.0;
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G4LorentzVector
Pprojectile
,
Ptarget
,
Qmomentum
;
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G4LorentzRotation
toCms
,
toLab
;
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G4SampleResonance
BrW
;
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};
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G4int
ExciteParticipants_doChargeExchange
(
G4VSplitableHadron
* projectile,
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G4VSplitableHadron
*
target
,
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G4FTFParameters
* theParameters,
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G4ElasticHNScattering
* theElastic,
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CommonVariables
&
common
)
const
;
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G4bool
ExciteParticipants_doDiffraction
(
G4VSplitableHadron
* projectile,
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G4VSplitableHadron
*
target
,
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G4FTFParameters
* theParameters,
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CommonVariables
&
common
)
const
;
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G4bool
ExciteParticipants_doNonDiffraction
(
G4VSplitableHadron
* projectile,
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G4VSplitableHadron
*
target
,
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G4FTFParameters
* theParameters,
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CommonVariables
&
common
)
const
;
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};
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#endif
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geant4-10.6-release
source
processes
hadronic
models
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include
G4DiffractiveExcitation.hh
Built by
Jin Huang
. updated:
Wed Jun 29 2022 17:25:49
using
1.8.2 with
ECCE GitHub integration