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26 26
27 27
28 #include "G4IRTUtils.hh" 28 #include "G4IRTUtils.hh"
29 #include "globals.hh" 29 #include "globals.hh"
30 #include "G4SystemOfUnits.hh" 30 #include "G4SystemOfUnits.hh"
31 #include "G4ErrorFunction.hh" 31 #include "G4ErrorFunction.hh"
32 G4double G4IRTUtils::EffectiveDistance(const G 32 G4double G4IRTUtils::EffectiveDistance(const G4double& rc,
33 const G 33 const G4double& r0)
34 { 34 {
35 return r0 == 0 ? 0 : - rc / (1 - std::exp( 35 return r0 == 0 ? 0 : - rc / (1 - std::exp( rc / r0 ) );
36 } 36 }
37 37
38 38
39 G4double G4IRTUtils::GetRCutOff() 39 G4double G4IRTUtils::GetRCutOff()
40 { 40 {
41 G4double tCutOff = 1000 * ns; 41 G4double tCutOff = 1000 * ns;
42 42
43 G4double probabilityOfReaction = 0.01; 43 G4double probabilityOfReaction = 0.01;
44 G4double maximumReactionRadius = 1.45*CLHE 44 G4double maximumReactionRadius = 1.45*CLHEP::nm;//??
45 G4double maximumRelativeDiffusionCoefficie 45 G4double maximumRelativeDiffusionCoefficient = 2.0*9.46e9 *CLHEP::nm*CLHEP::nm/CLHEP::s;//??
46 G4double erfcInv = G4ErrorFunction::erfcIn 46 G4double erfcInv = G4ErrorFunction::erfcInv(probabilityOfReaction);
47 return maximumReactionRadius + 2.0 * 47 return maximumReactionRadius + 2.0 *
48 std::sqrt(maximumRelativeDiffusionCoeffici 48 std::sqrt(maximumRelativeDiffusionCoefficient * tCutOff) * erfcInv;
49 } 49 }
50 50
51 51
52 G4double G4IRTUtils::GetRCutOff(G4double tCutO 52 G4double G4IRTUtils::GetRCutOff(G4double tCutOff)
53 { 53 {
54 G4double probabilityOfReaction = 0.01; 54 G4double probabilityOfReaction = 0.01;
55 G4double maximumReactionRadius = 1.45*CLHE 55 G4double maximumReactionRadius = 1.45*CLHEP::nm;//??
56 G4double maximumRelativeDiffusionCoefficie 56 G4double maximumRelativeDiffusionCoefficient = 2.0*9.46e9 *CLHEP::nm*CLHEP::nm/CLHEP::s;//??
57 G4double erfcInv = G4ErrorFunction::erfcIn 57 G4double erfcInv = G4ErrorFunction::erfcInv(probabilityOfReaction);
58 return maximumReactionRadius + 2.0 * 58 return maximumReactionRadius + 2.0 *
59 std::sqrt(maximumRelativeDiffusionCoeffici 59 std::sqrt(maximumRelativeDiffusionCoefficient * tCutOff) * erfcInv;
60 } 60 }
61 61
62 G4double G4IRTUtils::GetDNADistanceCutOff() 62 G4double G4IRTUtils::GetDNADistanceCutOff()
63 { 63 {
64 G4double tCutOff = 100 * ps; 64 G4double tCutOff = 100 * ps;
65 65
66 G4double probabilityOfReaction = 0.01; 66 G4double probabilityOfReaction = 0.01;
67 G4double maximumReactionRadius = 1.45*CLHE 67 G4double maximumReactionRadius = 1.45*CLHEP::nm;//??
68 G4double maximumRelativeDiffusionCoefficie 68 G4double maximumRelativeDiffusionCoefficient = 2.0*9.46e9 *CLHEP::nm*CLHEP::nm/CLHEP::s;//??
69 G4double erfcInv = G4ErrorFunction::erfcIn 69 G4double erfcInv = G4ErrorFunction::erfcInv(probabilityOfReaction);
70 return maximumReactionRadius + 2.0 * 70 return maximumReactionRadius + 2.0 *
71 std::sqrt(maximumRelativeDiffusionCoeffici 71 std::sqrt(maximumRelativeDiffusionCoefficient * tCutOff) * erfcInv;
72 } 72 }