// Scilab code Exa6.3 : : Page-241 (2011) clc; clear; m_0 = 9.10963e-031; // Rest mass of the electron, Kg e = 1.60218e-019; // Charge of the electron, C c = 2.9979e+08; // Velocity of the light, metre per sec BR = 3381e-006; // Field-radius product, tesla-m E_k = 37.44; // Binding energy of k-electron v = 1/sqrt((m_0/(BR*e))^2+1/c^2); // Velocity of the converson electron, m/s E = m_0*c^2*(1/sqrt(1-v^2/c^2)-1)/(e*1e+003); // Energy of the electron, keV E_C = E+E_k; // Energy of the converted gamma ray photon, KeV printf("\nThe energy of the electron = %6.2f keV \nThe energy of the converted gamma ray photon = %6.2f keV", E, E_C); // Result // The energy of the electron = 624.11 keV // The energy of the converted gamma ray photon = 661.55 keV