Geant4  10.01.p03
G4SingleDiffractiveExcitation.hh
Go to the documentation of this file.
1 //
2 // ********************************************************************
3 // * License and Disclaimer *
4 // * *
5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. *
10 // * *
11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitation of liability. *
17 // * *
18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Software license. *
24 // ********************************************************************
25 //
26 //
27 // $Id: G4SingleDiffractiveExcitation.hh 69570 2013-05-08 13:23:39Z gcosmo $
28 
29 #ifndef G4SingleDiffractiveExcitation_h
30 #define G4SingleDiffractiveExcitation_h 1
31 // ------------------------------------------------------------
32 // GEANT 4 class header file
33 //
34 // ---------------- G4SingleDiffractiveExcitation --------------
35 // by Gunter Folger, October 1998.
36 // diffractive Excitation used by strings models
37 // Take a projectile and a target
38 // excite the projectile and target
39 // ------------------------------------------------------------
40 
41 #include <CLHEP/Units/SystemOfUnits.h>
42 
43 #include "globals.hh"
44 #include "G4ThreeVector.hh"
46 
47 class G4VSplitableHadron;
48 class G4ExcitedString;
49 
51 {
52 
53 public:
54 
57  G4double x0mass=250*CLHEP::MeV);
59 
60  G4bool ExciteParticipants (G4VSplitableHadron *aPartner, G4VSplitableHadron * bPartner) const;
61 
62  // void SetPtWidth(G4double aValue) { widthOfPtSquare = aValue*aValue; }
63  // void SetExtraMass(G4double aValue) { minExtraMass = aValue; }
64  // void SetMinimumMass(G4double aValue) { minmass = aValue; }
65 
66 
67 private:
68 
70 
71  G4double ChooseX(G4double Xmin, G4double Xmax) const;
72  G4ThreeVector GaussianPt(G4double widthSquare, G4double maxPtSquare) const;
73 
75  int operator==(const G4SingleDiffractiveExcitation &right) const;
76  int operator!=(const G4SingleDiffractiveExcitation &right) const;
77 
78 private:
79  // Model Parameters:
80  const G4double widthOfPtSquare; // width^2 of pt for string excitation
81  const G4double minExtraMass; // minimum excitation mass
82  const G4double minmass; // mean pion transverse mass; used for Xmin
83 };
84 
85 #endif
G4bool ExciteParticipants(G4VSplitableHadron *aPartner, G4VSplitableHadron *bPartner) const
static const double MeV
Definition: G4SIunits.hh:193
G4double ChooseX(G4double Xmin, G4double Xmax) const
CLHEP::Hep3Vector G4ThreeVector
const G4SingleDiffractiveExcitation & operator=(const G4SingleDiffractiveExcitation &right)
bool G4bool
Definition: G4Types.hh:79
static const double GeV
Definition: G4SIunits.hh:196
G4SingleDiffractiveExcitation(G4double sigmaPt=0.6 *CLHEP::GeV, G4double minExtraMass=250 *CLHEP::MeV, G4double x0mass=250 *CLHEP::MeV)
G4ThreeVector GaussianPt(G4double widthSquare, G4double maxPtSquare) const
int operator==(const G4SingleDiffractiveExcitation &right) const
double G4double
Definition: G4Types.hh:76
int operator!=(const G4SingleDiffractiveExcitation &right) const