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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 // 26 //-------------------------------------------- 27 //--------------------------------------------------------------------------- >> 28 // 27 // ClassName: G4UCNMicroRoughnessHelper 29 // ClassName: G4UCNMicroRoughnessHelper 28 // 30 // 29 // Class description: 31 // Class description: 30 // 32 // 31 // This file contains the headers of various f 33 // This file contains the headers of various functions all related to the 32 // calculation of microroughness. 34 // calculation of microroughness. 33 // see A. Steyerl, Z. Physik 254 (1972) 169. 35 // see A. Steyerl, Z. Physik 254 (1972) 169. 34 // 36 // 35 // Angular cut: for angles which are closer to 37 // Angular cut: for angles which are closer to the specular direction than a 36 // certain value (0.01°), the probability is 38 // certain value (0.01°), the probability is set to 0 in order to avoid a 37 // hang-up at the generation of the polar angl 39 // hang-up at the generation of the polar angle due to a very sharp angular 38 // distribution 40 // distribution 39 // 41 // >> 42 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... >> 43 40 // 12-05-14, adopted from Stefan Heule (PSI) T 44 // 12-05-14, adopted from Stefan Heule (PSI) Thesis by P.Gumplinger >> 45 // http://ucn.web.psi.ch/papers/stefanheule_thesis2008.pdf 41 // reported in F. Atchison et al., E 46 // reported in F. Atchison et al., Eur. Phys. J. A 44, 23–29 (2010) 42 // DOI: 10.1140/epja/i2 << 43 // Thanks to Geza Zsigmond 47 // Thanks to Geza Zsigmond 44 // << 45 // 02-11-19 Stefan Heule's thesis is availabl << 46 // https://www.psi.ch/en/ltp-ucn-phy << 47 // or directly at https://opac.nebis << 48 48 49 #ifndef G4MICROROUGHNESSHELPER_HH 49 #ifndef G4MICROROUGHNESSHELPER_HH 50 #define G4MICROROUGHNESSHELPER_HH 1 50 #define G4MICROROUGHNESSHELPER_HH 1 51 51 52 #include "G4Types.hh" 52 #include "G4Types.hh" 53 53 >> 54 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo...... >> 55 54 class G4UCNMicroRoughnessHelper 56 class G4UCNMicroRoughnessHelper 55 { 57 { 56 public: // with description << 58 public: // with description 57 static G4UCNMicroRoughnessHelper* GetInstanc << 59 >> 60 static G4UCNMicroRoughnessHelper* GetInstance(); >> 61 >> 62 protected: >> 63 >> 64 G4UCNMicroRoughnessHelper(); >> 65 ~G4UCNMicroRoughnessHelper(); >> 66 >> 67 public: // with description >> 68 >> 69 // Transmitted intensity with k-vector in vacuum >> 70 >> 71 // arguments: >> 72 // 1) cos(theta)^2, >> 73 // 2) (k_l/k)^2 >> 74 >> 75 G4double S2(G4double, G4double) const; >> 76 >> 77 // Transmitted intensity with k-vector within the medium >> 78 >> 79 // arguments: >> 80 // 1) cos(theta')^2, >> 81 // 2) (k_l/k')^2 >> 82 >> 83 G4double SS2(G4double, G4double) const; >> 84 >> 85 // Fourier-tranform of the autocorrelation function with k-vector in vacuum >> 86 >> 87 // arguments: >> 88 // 1) k^2, >> 89 // 2) theta_i, >> 90 // 3) theta_o, >> 91 // 4) phi_o, >> 92 // 5) b^2, >> 93 // 6) w^2, >> 94 // 7) angular cut >> 95 >> 96 G4double Fmu(G4double, G4double, G4double, >> 97 G4double, G4double, G4double, G4double) const; >> 98 >> 99 // Fourier-tranform of the autocorrelation function with k-vector within >> 100 // the medium >> 101 >> 102 // arguments: >> 103 // 1) k, >> 104 // 2) k', >> 105 // 3) theta_i, >> 106 // 4) theta'_o, >> 107 // 5) phi'_o, >> 108 // 6) b^2, >> 109 // 7) w^2, >> 110 // 8) angular cut >> 111 // 9) theta_refract >> 112 >> 113 G4double FmuS(G4double, G4double, G4double, G4double, >> 114 G4double, G4double, G4double, G4double, G4double) const; >> 115 >> 116 // Integral probability for non-specular reflection >> 117 >> 118 // arguments: >> 119 // 1) E, >> 120 // 2) V_F, >> 121 // 3) theta_i, >> 122 // 4) number of angles theta_o for which the probability is calculated, >> 123 // 5) number of angles phi_o for which the probability is calculated, >> 124 // 6) b^2, >> 125 // 7) w^2, >> 126 // 8) pointer to G4double array with max values of the probability, >> 127 // 9) angular cut >> 128 >> 129 G4double IntIplus(G4double, G4double, G4double, G4int, G4int, >> 130 G4double, G4double, G4double*, G4double) const; >> 131 >> 132 // Probability of non-specular reflection with the microroughness model >> 133 >> 134 // arguments: >> 135 // 1) E, >> 136 // 2) V_F, >> 137 // 3) theta_i, >> 138 // 4) theta_o, >> 139 // 5) phi_o, >> 140 // 6) b, >> 141 // 7) w, >> 142 // 8) angular cut >> 143 >> 144 G4double ProbIplus (G4double, G4double, G4double, G4double, >> 145 G4double, G4double, G4double, G4double) const; >> 146 >> 147 // Integral probability for non-specular transmission >> 148 >> 149 // arguments: >> 150 // 1) E, >> 151 // 2) V_F, >> 152 // 3) theta_i, >> 153 // 4) number of angles theta_o for which the probability is calculated, >> 154 // 5) number of angles phi_o for which the probability is calculated, >> 155 // 6) b^2, >> 156 // 7) w^2, >> 157 // 8) pointer to G4double array with max values of the probability, >> 158 // 9) angular cut >> 159 >> 160 G4double IntIminus(G4double, G4double, G4double, G4int, G4int, >> 161 G4double, G4double, G4double*, G4double) const; >> 162 >> 163 // Probability of non-specular transmission with the microroughness model >> 164 >> 165 // arguments: >> 166 // 1) E, >> 167 // 2) V_F, >> 168 // 3) theta_i, >> 169 // 4) theta'_o, >> 170 // 5) phi'_o, >> 171 // 6) b, >> 172 // 7) w, >> 173 // 8) angular cut >> 174 >> 175 G4double ProbIminus (G4double, G4double, G4double, G4double, >> 176 G4double, G4double, G4double, G4double) const; >> 177 >> 178 private: 58 179 59 public: // with description << 180 static G4UCNMicroRoughnessHelper* fpInstance; 60 // Transmitted intensity with k-vector in va << 61 // arguments: << 62 // 1) cos(theta)^2, << 63 // 2) (k_l/k)^2 << 64 G4double S2(G4double, G4double) const; << 65 << 66 // Transmitted intensity with k-vector withi << 67 // arguments: << 68 // 1) cos(theta')^2, << 69 // 2) (k_l/k')^2 << 70 G4double SS2(G4double, G4double) const; << 71 << 72 // Fourier-tranform of the autocorrelation f << 73 // arguments: << 74 // 1) k^2, << 75 // 2) theta_i, << 76 // 3) theta_o, << 77 // 4) phi_o, << 78 // 5) b^2, << 79 // 6) w^2, << 80 // 7) angular cut << 81 G4double Fmu(G4double, G4double, G4double, G << 82 << 83 // Fourier-tranform of the autocorrelation f << 84 // the medium << 85 // arguments: << 86 // 1) k, << 87 // 2) k', << 88 // 3) theta_i, << 89 // 4) theta'_o, << 90 // 5) phi'_o, << 91 // 6) b^2, << 92 // 7) w^2, << 93 // 8) angular cut << 94 // 9) theta_refract << 95 G4double FmuS( << 96 G4double, G4double, G4double, G4double, G4 << 97 << 98 // Integral probability for non-specular ref << 99 // arguments: << 100 // 1) E, << 101 // 2) V_F, << 102 // 3) theta_i, << 103 // 4) number of angles theta_o for w << 104 // 5) number of angles phi_o for whi << 105 // 6) b^2, << 106 // 7) w^2, << 107 // 8) pointer to G4double array with << 108 // 9) angular cut << 109 G4double IntIplus( << 110 G4double, G4double, G4double, G4int, G4int << 111 << 112 // Probability of non-specular reflection wi << 113 // arguments: << 114 // 1) E, << 115 // 2) V_F, << 116 // 3) theta_i, << 117 // 4) theta_o, << 118 // 5) phi_o, << 119 // 6) b, << 120 // 7) w, << 121 // 8) angular cut << 122 G4double ProbIplus( << 123 G4double, G4double, G4double, G4double, G4 << 124 << 125 // Integral probability for non-specular tra << 126 // arguments: << 127 // 1) E, << 128 // 2) V_F, << 129 // 3) theta_i, << 130 // 4) number of angles theta_o for w << 131 // 5) number of angles phi_o for whi << 132 // 6) b^2, << 133 // 7) w^2, << 134 // 8) pointer to G4double array with << 135 // 9) angular cut << 136 G4double IntIminus( << 137 G4double, G4double, G4double, G4int, G4int << 138 << 139 // Probability of non-specular transmission << 140 // arguments: << 141 // 1) E, << 142 // 2) V_F, << 143 // 3) theta_i, << 144 // 4) theta'_o, << 145 // 5) phi'_o, << 146 // 6) b, << 147 // 7) w, << 148 // 8) angular cut << 149 G4double ProbIminus( << 150 G4double, G4double, G4double, G4double, G4 << 151 << 152 protected: << 153 G4UCNMicroRoughnessHelper() = default; << 154 ~G4UCNMicroRoughnessHelper(); << 155 181 156 private: << 157 static G4UCNMicroRoughnessHelper* fpInstance << 158 }; 182 }; 159 183 160 #endif // G4MICROROUGHNESSHELPER_HH << 184 #endif // G4MICROROUGHNESSHELPER_HH 161 185