| Geant4 Cross Reference |
1 // 1 //
2 // ******************************************* 2 // ********************************************************************
3 // * License and Disclaimer 3 // * License and Disclaimer *
4 // * 4 // * *
5 // * The Geant4 software is copyright of th 5 // * The Geant4 software is copyright of the Copyright Holders of *
6 // * the Geant4 Collaboration. It is provided 6 // * the Geant4 Collaboration. It is provided under the terms and *
7 // * conditions of the Geant4 Software License 7 // * conditions of the Geant4 Software License, included in the file *
8 // * LICENSE and available at http://cern.ch/ 8 // * LICENSE and available at http://cern.ch/geant4/license . These *
9 // * include a list of copyright holders. 9 // * include a list of copyright holders. *
10 // * 10 // * *
11 // * Neither the authors of this software syst 11 // * Neither the authors of this software system, nor their employing *
12 // * institutes,nor the agencies providing fin 12 // * institutes,nor the agencies providing financial support for this *
13 // * work make any representation or warran 13 // * work make any representation or warranty, express or implied, *
14 // * regarding this software system or assum 14 // * regarding this software system or assume any liability for its *
15 // * use. Please see the license in the file 15 // * use. Please see the license in the file LICENSE and URL above *
16 // * for the full disclaimer and the limitatio 16 // * for the full disclaimer and the limitation of liability. *
17 // * 17 // * *
18 // * This code implementation is the result 18 // * This code implementation is the result of the scientific and *
19 // * technical work of the GEANT4 collaboratio 19 // * technical work of the GEANT4 collaboration. *
20 // * By using, copying, modifying or distri 20 // * By using, copying, modifying or distributing the software (or *
21 // * any work based on the software) you ag 21 // * any work based on the software) you agree to acknowledge its *
22 // * use in resulting scientific publicati 22 // * use in resulting scientific publications, and indicate your *
23 // * acceptance of all terms of the Geant4 Sof 23 // * acceptance of all terms of the Geant4 Software license. *
24 // ******************************************* 24 // ********************************************************************
25 // 25 //
26 // G4HyperNucleiProperties class implementatio 26 // G4HyperNucleiProperties class implementation
27 // 27 //
28 // Author: Mikhail Kosov 28 // Author: Mikhail Kosov
29 // Revision: H.Kurashige, Migrated to particle 29 // Revision: H.Kurashige, Migrated to particles category - September 2007
30 // ------------------------------------------- 30 // --------------------------------------------------------------------
31 31
>> 32 #include "G4PhysicalConstants.hh"
>> 33 #include "G4SystemOfUnits.hh"
32 #include "G4HyperNucleiProperties.hh" 34 #include "G4HyperNucleiProperties.hh"
33 <<
34 #include "G4Exp.hh" <<
35 #include "G4NucleiProperties.hh" 35 #include "G4NucleiProperties.hh"
36 #include "G4ParticleTable.hh" 36 #include "G4ParticleTable.hh"
37 #include "G4PhysicalConstants.hh" << 37 #include "G4Exp.hh"
38 #include "G4Pow.hh" 38 #include "G4Pow.hh"
39 #include "G4SystemOfUnits.hh" << 39
40 40
41 G4double G4HyperNucleiProperties::GetNuclearMa 41 G4double G4HyperNucleiProperties::GetNuclearMass(G4int A, G4int Z, G4int LL)
42 { << 42 {
43 if (LL == 0) return G4NucleiProperties::GetN << 43 if ( LL == 0 ) return G4NucleiProperties::GetNuclearMass(A, Z);
44 44
45 if (A < 2 || Z < 0 || Z > A - LL || LL > A) << 45 if ( A < 2 || Z < 0 || Z > A-LL || LL > A )
>> 46 {
46 #ifdef G4VERBOSE 47 #ifdef G4VERBOSE
47 if (G4ParticleTable::GetParticleTable()->G << 48 if ( G4ParticleTable::GetParticleTable()->GetVerboseLevel() > 0 )
>> 49 {
48 G4cout << "G4HyperNucleiProperties::GetN 50 G4cout << "G4HyperNucleiProperties::GetNuclearMass: "
49 << " Wrong values for A = " << A << 51 << " Wrong values for A = " << A
>> 52 << " Z = " << Z
>> 53 << " L = " << LL
>> 54 << G4endl;
50 } 55 }
51 #endif 56 #endif
52 return 0.0; 57 return 0.0;
53 } 58 }
54 if (A == 2) { << 59 else if ( A == 2 )
>> 60 {
55 #ifdef G4VERBOSE 61 #ifdef G4VERBOSE
56 if (G4ParticleTable::GetParticleTable()->G << 62 if ( G4ParticleTable::GetParticleTable()->GetVerboseLevel() > 0 )
>> 63 {
57 G4cout << "G4HyperNucleiProperties::GetN 64 G4cout << "G4HyperNucleiProperties::GetNuclearMass: "
58 << " No boud state for A = " << A << 65 << " No boud state for A = " << A
>> 66 << " Z = " << Z
>> 67 << " L = " << LL
>> 68 << G4endl;
59 } 69 }
60 #endif 70 #endif
61 return 0.0; 71 return 0.0;
62 } 72 }
>> 73
>> 74 static const G4double b7 = 25.0*MeV;
>> 75 static const G4double b8 = 10.5; // Slope
>> 76 static const G4double a2 = 0.13*MeV; // BindingEnergy for d+Lambda(MeV)
>> 77 static const G4double a3 = 2.2*MeV; // BindingEnergy for (t/He3)+Lamb(MeV)
>> 78 static const G4double eps = 0.0001*MeV; // security value (MeV)
63 79
64 static const G4double b7 = 25.0 * MeV; << 80 G4double mass = G4NucleiProperties::GetNuclearMass(A-LL, Z); // A non-"strange" nucleus
65 static const G4double b8 = 10.5; // Slope <<
66 static const G4double a2 = 0.13 * MeV; // B <<
67 static const G4double a3 = 2.2 * MeV; // Bi <<
68 static const G4double eps = 0.0001 * MeV; / <<
69 <<
70 G4double mass = G4NucleiProperties::GetNucle <<
71 81
72 // Temporarily, the mass of the Lambda below 82 // Temporarily, the mass of the Lambda below is copied from G4Lambda.cc,
73 // but it should be added in CLHEP/Units/Phy 83 // but it should be added in CLHEP/Units/PhysicalConstants.h
74 const G4double mLL = 1.115683 * CLHEP::GeV; << 84 const G4double mLL = 1.115683*CLHEP::GeV;
75 85
76 G4double bs = 0.0; 86 G4double bs = 0.0;
77 if (A - LL == 2) << 87 if ( A - LL == 2 ) bs = a2; // for nnL,npL,ppL
78 bs = a2; // for nnL,npL,ppL << 88 else if ( A - LL == 3 ) bs = a3; // for 3nL,2npL,n2pL,3pL
79 else if (A - LL == 3) << 89 else if ( A - LL > 3 ) bs = b7*G4Exp(-b8/(A-LL+1.0));
80 bs = a3; // for 3nL,2npL,n2pL,3pL << 90 mass += LL*(mLL-bs) + eps;
81 else if (A - LL > 3) <<
82 bs = b7 * G4Exp(-b8 / (A - LL + 1.0)); <<
83 mass += LL * (mLL - bs) + eps; <<
84 91
85 return mass; 92 return mass;
86 } 93 }
87 94
>> 95
88 G4double G4HyperNucleiProperties::GetAtomicMas 96 G4double G4HyperNucleiProperties::GetAtomicMass(G4int A, G4int Z, G4int LL)
89 { 97 {
90 G4double mass = GetNuclearMass(A, Z, LL); 98 G4double mass = GetNuclearMass(A, Z, LL);
91 if (mass > 0.0) { << 99 if ( mass > 0.0 ) {
92 mass += Z * electron_mass_c2 - 1.433e-5 * << 100 mass += Z*electron_mass_c2 - 1.433e-5*MeV*G4Pow::GetInstance()->powZ(Z, 2.39);
93 } 101 }
94 return mass; 102 return mass;
95 } 103 }
96 104