Gabriele Cosmo
172 lines
4.5 KiB
C++
172 lines
4.5 KiB
C++
// This code implementation is the intellectual property of
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// the GEANT4 collaboration.
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//
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// By copying, distributing or modifying the Program (or any work
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// based on the Program) you indicate your acceptance of this statement,
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// and all its terms.
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//
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// $Id: G4ExcitedSigmaConstructor.hh,v 1.2.6.1 1999/12/07 20:50:03 gunter Exp $
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// GEANT4 tag $Name: geant4-01-00 $
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//
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//
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// --------------------------------------------------------------
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// GEANT 4 class implementation file
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//
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// For information related to this code contact:
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// CERN, IT Division, ASD Group
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// History: first implementation, based on object model of
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// 10 oct 1998 H.Kurashige
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// ---------------------------------------------------------------
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#ifndef G4ExcitedSigmaConstructor_h
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#define G4ExcitedSigmaConstructor_h 1
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#include "globals.hh"
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#include "G4ios.hh"
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#include "G4ExcitedBaryonConstructor.hh"
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class G4ExcitedSigmaConstructor: public G4ExcitedBaryonConstructor
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{
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//This class is a utility class for construction
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//short lived particles
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public:
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G4ExcitedSigmaConstructor();
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virtual ~G4ExcitedSigmaConstructor();
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protected:
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virtual G4bool Exist( G4int ){return true;}
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virtual G4int GetQuarkContents(G4int, G4int);
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virtual G4String GetName(G4int iIso3, G4int iState);
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virtual G4double GetMass(G4int iState);
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virtual G4double GetWidth(G4int iState);
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virtual G4int GetiSpin(G4int iState);
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virtual G4int GetiParity(G4int iState);
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virtual G4int GetEncodingOffset(G4int iState);
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virtual G4DecayTable* CreateDecayTable(const G4String& name,
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G4int iIso3, G4int iState,
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G4bool fAnti = false);
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private:
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G4DecayTable* AddNKMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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G4DecayTable* AddNKStarMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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G4DecayTable* AddSigmaPiMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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G4DecayTable* AddSigmaStarPiMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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G4DecayTable* AddLambdaPiMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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G4DecayTable* AddSigmaEtaMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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G4DecayTable* AddLambdaStarPiMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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G4DecayTable* AddDeltaKMode( G4DecayTable* table, const G4String& name,
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G4double br, G4int iIso3, G4bool fAnti);
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public:
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enum { NStates = 8 };
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private:
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enum { SigmaIsoSpin = 2 };
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private:
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static const char* name[ NStates ];
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static const G4double mass[ NStates ];
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static const G4double width[ NStates ];
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static const G4int iSpin[ NStates ];
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static const G4int iParity[ NStates ];
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static const G4int encodingOffset[ NStates ];
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public:
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enum { NumberOfDecayModes = 8 };
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private:
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enum { NK=0, NKStar=1, SigmaPi=2, SigmaStarPi=3, LambdaPi=4,
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SigmaEta=5, LambdaStarPi=6, DeltaK=7};
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private:
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static const G4double bRatio[ NStates ][ NumberOfDecayModes];
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};
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inline
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G4double G4ExcitedSigmaConstructor::GetMass(G4int iState)
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{
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return mass[iState];
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}
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inline
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G4double G4ExcitedSigmaConstructor::GetWidth(G4int iState)
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{
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return width[iState];
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}
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inline
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G4int G4ExcitedSigmaConstructor::GetiSpin(G4int iState)
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{
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return iSpin[iState];
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}
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inline
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G4int G4ExcitedSigmaConstructor::GetiParity(G4int iState)
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{
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return iParity[iState];
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}
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inline
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G4int G4ExcitedSigmaConstructor::GetEncodingOffset(G4int iState)
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{
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return encodingOffset[iState];
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}
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inline
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G4int G4ExcitedSigmaConstructor::GetQuarkContents(G4int iQ, G4int iIso3)
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{
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G4int quark=0;
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if ( iQ == 0 ){
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// s-quark
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quark = 3;
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} else if ( iQ == 1 ){
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if (iIso3 == -2) {
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// d-quark
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quark = 1;
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} else {
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// u-quark
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quark = 2;
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}
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} else if ( iQ == 2 ){
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if (iIso3 == +2) {
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// u-quark
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quark = 2;
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} else {
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// d-quark
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quark = 1;
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}
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}
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return quark;
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}
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inline
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G4String G4ExcitedSigmaConstructor::GetName(G4int iIso3, G4int iState)
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{
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G4String particle = name[iState];
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if (iIso3 == +2) {
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particle += "+";
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} else if (iIso3 == 0) {
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particle += "0";
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} else if (iIso3 == -2) {
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particle += "-";
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}
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return particle;
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}
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#endif
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