RTS&T Monte Carlo code (facilities and computation methods)

The paper describes facilities and computation methods of the new RTS&T Monte Carlo code. This code performs simulations of three dimensional electromagnetic shower development and low energy neutron production and transport in accelerator and in shielding components with a calculation of the isotope transmutation problem. RTS&T is based on a compilation from ENDF/B-VI, JENDL-3, EAF, FENDL and EPNDL evaluated data libraries to detailed physical process simulation and only a few approximations are made. It is possible to use RTS&T to solve the critical reactor problem. A combinatorial method of geometry definition is provided with the program. Recently the RTS& T code interface to the ANSYS 4.4 code system has been developed and tested.