226{
227 outFile
228 << "The GEANT4 precompound model is considered as an extension of the\n"
229 << "hadron kinetic model. It gives a possibility to extend the low energy range\n"
230 << "of the hadron kinetic model for nucleon-nucleus inelastic collision and it \n"
231 << "provides a ”smooth” transition from kinetic stage of reaction described by the\n"
232 << "hadron kinetic model to the equilibrium stage of reaction described by the\n"
233 << "equilibrium deexcitation models.\n"
234 << "The initial information for calculation of pre-compound nuclear stage\n"
235 << "consists of the atomic mass number A, charge Z of residual nucleus, its\n"
236 << "four momentum P0 , excitation energy U and number of excitons n, which equals\n"
237 << "the sum of the number of particles p (from them p_Z are charged) and the number of\n"
238 << "holes h.\n"
239 << "At the preequilibrium stage of reaction, we follow the exciton model approach in ref. [1],\n"
240 << "taking into account the competition among all possible nuclear transitions\n"
241 << "with ∆n = +2, −2, 0 (which are defined by their associated transition probabilities) and\n"
242 << "the emission of neutrons, protons, deuterons, thritium and helium nuclei (also defined by\n"
243 << "their associated emission probabilities according to exciton model)\n"
244 << "\n"
245 << "[1] K.K. Gudima, S.G. Mashnik, V.D. Toneev, Nucl. Phys. A401 329 (1983)\n"
246 << "\n";
247}