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G4DiffractiveExcitation.hh
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27 // $Id: G4DiffractiveExcitation.hh 110870 2018-06-22 12:14:16Z gcosmo $
28 
29 #ifndef G4DiffractiveExcitation_h
30 #define G4DiffractiveExcitation_h 1
31 
32 // ------------------------------------------------------------
33 // GEANT 4 class header file
34 //
35 // ---------------- G4DiffractiveExcitation --------------
36 // by Gunter Folger, October 1998.
37 // diffractive Excitation used by strings models
38 // Take a projectile and a target
39 // excite the projectile and target
40 // ------------------------------------------------------------
41 
42 #include "globals.hh"
43 #include "G4FTFParameters.hh"
44 #include "G4ElasticHNScattering.hh"
45 #include "G4ThreeVector.hh"
46 
47 class G4VSplitableHadron;
48 class G4ExcitedString;
49 
50 
52  public:
54  virtual ~G4DiffractiveExcitation();
55 
56  virtual G4bool ExciteParticipants( G4VSplitableHadron* aPartner,
57  G4VSplitableHadron* bPartner,
58  G4FTFParameters* theParameters,
59  G4ElasticHNScattering* theElastic ) const;
60 
61  virtual void CreateStrings( G4VSplitableHadron* aHadron,
62  G4bool isProjectile,
63  G4ExcitedString*& FirstString,
64  G4ExcitedString*& SecondString,
65  G4FTFParameters* theParameters ) const;
66 
67  private:
70  int operator==( const G4DiffractiveExcitation& right ) const;
71  int operator!=( const G4DiffractiveExcitation& right ) const;
72 
73  G4double LambdaF(G4double sqrM, G4double sqrM1, G4double sqrM2) const; // May 2014
74 
75  G4ThreeVector GaussianPt( G4double AveragePt2, G4double maxPtSquare ) const;
76  G4double ChooseP( G4double Pmin, G4double Pmax ) const;
78  void UnpackMeson( G4int IdPDG, G4int& Q1, G4int& Q2 ) const;
79  void UnpackBaryon( G4int IdPDG, G4int& Q1, G4int& Q2, G4int& Q3 ) const;
80  G4int NewNucleonId( G4int Q1, G4int Q2, G4int Q3 ) const;
81 
82  // The "ExciteParticipants" method uses the following struct and 3 new utility methods:
83  struct CommonVariables {
86  G4double M0projectile = 0.0, M0projectile2 = 0.0, M0target = 0.0, M0target2 = 0.0,
87  ProjMassT = 0.0, ProjMassT2 = 0.0, TargMassT = 0.0, TargMassT2 = 0.0,
88  MminProjectile = 0.0, MminTarget = 0.0,
93  S = 0.0, SqrtS = 0.0, Pt2 = 0.0, PZcms = 0.0, PZcms2 = 0.0,
94  AveragePt2 = 0.0, maxPtSquare = 0.0,
95  ProbExc = 0.0, Qminus = 0.0, Qplus = 0.0,
96  PMinusNew = 0.0, PPlusNew = 0.0, TMinusNew = 0.0, TPlusNew = 0.0,
97  PMinusMin = 0.0, PMinusMax = 0.0, TPlusMin = 0.0, TPlusMax = 0.0,
102  };
105  G4FTFParameters* theParameters,
106  G4ElasticHNScattering* theElastic,
107  CommonVariables& common ) const;
110  G4FTFParameters* theParameters,
111  CommonVariables& common ) const;
114  G4FTFParameters* theParameters,
115  CommonVariables& common ) const;
116 };
117 
118 #endif
119 
virtual G4bool ExciteParticipants(G4VSplitableHadron *aPartner, G4VSplitableHadron *bPartner, G4FTFParameters *theParameters, G4ElasticHNScattering *theElastic) const
const G4DiffractiveExcitation & operator=(const G4DiffractiveExcitation &right)
int operator!=(const G4DiffractiveExcitation &right) const
G4ThreeVector GaussianPt(G4double AveragePt2, G4double maxPtSquare) const
G4double ChooseP(G4double Pmin, G4double Pmax) const
const XML_Char * target
Definition: expat.h:268
void UnpackBaryon(G4int IdPDG, G4int &Q1, G4int &Q2, G4int &Q3) const
static int FASTCALL common(PROLOG_STATE *state, int tok)
Definition: xmlrole.cc:1309
G4int NewNucleonId(G4int Q1, G4int Q2, G4int Q3) const
int operator==(const G4DiffractiveExcitation &right) const
G4bool ExciteParticipants_doDiffraction(G4VSplitableHadron *projectile, G4VSplitableHadron *target, G4FTFParameters *theParameters, CommonVariables &common) const
virtual void CreateStrings(G4VSplitableHadron *aHadron, G4bool isProjectile, G4ExcitedString *&FirstString, G4ExcitedString *&SecondString, G4FTFParameters *theParameters) const
double G4double
Definition: G4Types.hh:76
bool G4bool
Definition: G4Types.hh:79
G4double GetQuarkFractionOfKink(G4double zmin, G4double zmax) const
G4double LambdaF(G4double sqrM, G4double sqrM1, G4double sqrM2) const
int G4int
Definition: G4Types.hh:78
G4bool ExciteParticipants_doNonDiffraction(G4VSplitableHadron *projectile, G4VSplitableHadron *target, G4FTFParameters *theParameters, CommonVariables &common) const
G4int ExciteParticipants_doChargeExchange(G4VSplitableHadron *projectile, G4VSplitableHadron *target, G4FTFParameters *theParameters, G4ElasticHNScattering *theElastic, CommonVariables &common) const
void UnpackMeson(G4int IdPDG, G4int &Q1, G4int &Q2) const