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26 // G4HyperNucleiProperties class implementatio << 26 // $Id: G4HyperNucleiProperties.cc,v 1.4 2008-10-22 12:35:46 kurasige Exp $
>> 27 // GEANT4 tag $Name: not supported by cvs2svn $
>> 28 //
>> 29 // ------------------------------------------------------------
>> 30 // GEANT 4 class header file
27 // 31 //
28 // Author: Mikhail Kosov << 32 // ------------------------------------------------------------
29 // Revision: H.Kurashige, Migrated to particle << 33 // Hyper Nuclei properties based on CHIPS model (Mikhail KOSOV)
30 // ------------------------------------------- << 34 // Migrate into particles category by H.Kurashige (Sep. 2007)
31 << 35 //
32 #include "G4HyperNucleiProperties.hh" 36 #include "G4HyperNucleiProperties.hh"
33 <<
34 #include "G4Exp.hh" <<
35 #include "G4NucleiProperties.hh" 37 #include "G4NucleiProperties.hh"
36 #include "G4ParticleTable.hh" 38 #include "G4ParticleTable.hh"
37 #include "G4PhysicalConstants.hh" <<
38 #include "G4Pow.hh" <<
39 #include "G4SystemOfUnits.hh" <<
40 39
41 G4double G4HyperNucleiProperties::GetNuclearMa <<
42 { <<
43 if (LL == 0) return G4NucleiProperties::GetN <<
44 40
45 if (A < 2 || Z < 0 || Z > A - LL || LL > A) << 41 G4double G4HyperNucleiProperties::GetNuclearMass(G4int A, G4int Z, G4int L)
>> 42 {
>> 43 if (L==0) return G4NucleiProperties::GetNuclearMass(A, Z);
>> 44
>> 45 G4ParticleTable* pTable = G4ParticleTable::GetParticleTable();
>> 46 if (A < 2 || Z < 0 || Z > A-L || L>A ) {
>> 47 #ifdef G4VERBOSE
>> 48 if (pTable->GetVerboseLevel()>0) {
>> 49 G4cout << "G4HyperNucleiProperties::GetNuclearMass: "
>> 50 << " Wrong values for A = " << A
>> 51 << " Z = " << Z
>> 52 << " L = " << L
>> 53 << G4endl;
>> 54 }
>> 55 #endif
>> 56 return 0.0;
>> 57 } else if( A==2 ) {
46 #ifdef G4VERBOSE 58 #ifdef G4VERBOSE
47 if (G4ParticleTable::GetParticleTable()->G << 59 if (pTable->GetVerboseLevel()>0) {
48 G4cout << "G4HyperNucleiProperties::GetN 60 G4cout << "G4HyperNucleiProperties::GetNuclearMass: "
49 << " Wrong values for A = " << A << 61 << " No boud state for A = " << A
>> 62 << " Z = " << Z
>> 63 << " L = " << L
>> 64 << G4endl;
50 } 65 }
51 #endif 66 #endif
52 return 0.0; 67 return 0.0;
53 } 68 }
54 if (A == 2) { << 69
>> 70
>> 71 G4ParticleDefinition* lambda = pTable->FindParticle("lambda");
>> 72 if (lambda ==0) {
55 #ifdef G4VERBOSE 73 #ifdef G4VERBOSE
56 if (G4ParticleTable::GetParticleTable()->G << 74 if (pTable->GetVerboseLevel()>0) {
57 G4cout << "G4HyperNucleiProperties::GetN 75 G4cout << "G4HyperNucleiProperties::GetNuclearMass: "
58 << " No boud state for A = " << A << 76 << " Lambda is not defined " << G4endl;
59 } 77 }
60 #endif 78 #endif
61 return 0.0; 79 return 0.0;
62 } 80 }
>> 81 const G4double mL= lambda->GetPDGMass(); // mLambda
63 82
64 static const G4double b7 = 25.0 * MeV; << 83 static const G4double b7=25.*MeV;
65 static const G4double b8 = 10.5; // Slope << 84 static const G4double b8=10.5; // Slope
66 static const G4double a2 = 0.13 * MeV; // B << 85 static const G4double a2=0.13*MeV; // BindingEnergy for d+Lambda(MeV)
67 static const G4double a3 = 2.2 * MeV; // Bi << 86 static const G4double a3=2.2*MeV; // BindingEnergy for (t/He3)+Lamb(MeV)
68 static const G4double eps = 0.0001 * MeV; / << 87 static const G4double eps =0.0001*MeV; // security value (MeV)
69 << 88
70 G4double mass = G4NucleiProperties::GetNucle << 89 G4double mass = G4NucleiProperties::GetNuclearMass(A-L, Z);
71 << 90 // A non-"strange" nucleus
72 // Temporarily, the mass of the Lambda below << 91 G4double bs=0.;
73 // but it should be added in CLHEP/Units/Phy << 92 if (A-L ==2) bs=a2; // for nnL,npL,ppL
74 const G4double mLL = 1.115683 * CLHEP::GeV; << 93 else if(A-L ==3) bs=a3; // for 3nL,2npL,n2pL,3pL
75 << 94 else if(A-L >3) bs=b7*std::exp(-b8/(A-L+1.));
76 G4double bs = 0.0; << 95 mass += L*(mL-bs) + eps;
77 if (A - LL == 2) <<
78 bs = a2; // for nnL,npL,ppL <<
79 else if (A - LL == 3) <<
80 bs = a3; // for 3nL,2npL,n2pL,3pL <<
81 else if (A - LL > 3) <<
82 bs = b7 * G4Exp(-b8 / (A - LL + 1.0)); <<
83 mass += LL * (mLL - bs) + eps; <<
84 96
85 return mass; 97 return mass;
86 } 98 }
87 99
88 G4double G4HyperNucleiProperties::GetAtomicMas << 100
>> 101 G4double G4HyperNucleiProperties::GetAtomicMass(G4int A, G4int Z, G4int L)
89 { 102 {
90 G4double mass = GetNuclearMass(A, Z, LL); << 103 if (A < 1 || Z < 0 || Z > A-L || L > A || L <0 ) {
91 if (mass > 0.0) { << 104 #ifdef G4VERBOSE
92 mass += Z * electron_mass_c2 - 1.433e-5 * << 105 if (G4ParticleTable::GetParticleTable()->GetVerboseLevel()>0) {
>> 106 G4cout << "G4HyperNucleiProperties::GetAtomicMass: "
>> 107 << " Wrong values for A = " << A
>> 108 << " Z = " << Z
>> 109 << " L = " << L << G4endl;
>> 110 }
>> 111 #endif
>> 112 return 0.0;
>> 113
>> 114 } else {
>> 115 G4double nuclearMass = GetNuclearMass(A, Z, L);
>> 116 return nuclearMass + Z*electron_mass_c2
>> 117 - 1.433e-5*MeV*std::pow(G4double(Z),2.39);
93 } 118 }
94 return mass; <<
95 } 119 }
>> 120
96 121