source: trunk/source/processes/hadronic/models/qmd/src/G4QMDParameters.cc@ 1196

Last change on this file since 1196 was 819, checked in by garnier, 17 years ago

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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 *
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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 *
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23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
25//
26
27// Parameters comes from JQMD
28// Niita et al., JAERI-Data/Code 99-042
29
30#include "G4QMDParameters.hh"
31
32G4QMDParameters* G4QMDParameters::parameters = NULL;
33
34G4QMDParameters::G4QMDParameters()
35{
36
37 wl = 2.0; // width of wave packet [fm]
38 hbc = 0.1973; // h-bar c in GeVfm
39
40 //Pauli
41 cpw = 1.0 / 2.0 / wl;
42
43 cph = 2.0 * wl / (hbc*hbc);
44
45 cpc = 4.0;
46
47 epsx = -20.0 ;
48
49 rho0 = 0.168; // satulation density
50
51// Skyrme
52 G4double rpot = 1.0/3.0;
53
54 G4double ebinm = -16.0; // bounding energy [MeV]
55 G4double ebin = ebinm * 0.001;
56
57 G4double pfer = hbc * std::pow ( 3./2. *pi*pi * rho0 , 1./3. );
58
59 G4double rmass = 0.938;
60
61 G4double efer = pfer*pfer / 2. / rmass;
62
63 G4double t3 = 8. / 3. / rpot / std::pow( rho0 , ( 1.+rpot ) ) * ( efer / 5. - ebin );
64
65 G4double t0 = -16./15. * efer / rho0 - ( 1.+rpot ) * t3 * std::pow( rho0 , rpot );
66
67
68 G4double aaa = 3./4. * t0 * rho0;
69 G4double bbb = 3./8. * t3 * ( 2.+rpot ) * std::pow( rho0 , ( 1.+rpot ) );
70 G4double esymm = 25 * 0.001; // symetric potential 25 [MeV] -> GeV
71
72 gamm = rpot + 1.0;
73
74// Local Potenials
75 c0 = aaa / ( rho0 * std::pow( 4 * pi * wl , 1.5 ) * 2.0 );
76
77 c3 = bbb / ( std::pow( rho0 , gamm ) * std::pow ( (4.0*pi*wl) , (1.5*gamm) ) * ( gamm+1.0) );
78
79 cs = esymm / ( rho0 * std::pow( (4.0*pi*wl) , 1.5 ) * 2.0 );
80
81 G4double ccoul = 0.001439767;
82 cl = ccoul/2.0 * 1; // Include Coulomb interaction
83 //cl = ccoul/2.0 * 0; // Not Include Coulomb interaction
84
85
86
87// GroundStateNucleus
88 cdp = 1.0 / std::pow ( ( 4.0 * pi * wl ) , 1.5 );
89 c0p = c0 * 2.0;
90 c3p = c3 * ( gamm + 1.0 );
91 csp = cs * 2.0;
92 clp = cl * 2.0;
93
94}
95
96
97
98G4QMDParameters::~G4QMDParameters()
99{
100 ;
101}
102
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