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Geant4 includes facilities for handling geometry, tracking, detector response, run management, visualization and user interface.For many physics simulations, this means less time needs to be spent on the low level details, and researchers can start immediately on the more important aspects of the simulation.
A related (but separate) product is Geant4 (when referring to this version, the name is typically no longer capitalized). It is a complete rewrite in C++ with a modern object-oriented design. Geant4 was developed by the RD44 collaboration in 1994–1998 and is being maintained and improved now by the Geant4 international collaboration.
Monte Carlo N-Particle Transport (MCNP) [2] is a general-purpose, continuous-energy, generalized-geometry, time-dependent, Monte Carlo radiation transport code designed to track many particle types over broad ranges of energies and is developed by Los Alamos National Laboratory.
GÉANT (Gigabit European Academic Network) is the pan-European data network for the research and education community. It interconnects national research and education networks (NRENs) across Europe, enabling collaboration on projects ranging from biological science, to earth observation, to arts and culture.
Geant4 is a particle-matter interaction toolkit maintained by a worldwide collaboration of scientists and software engineers. [4] This C++ library contains a wide range of interaction cross section data and models together with a tracking engine of particles through a 3D geometry.
Without voxelization the PSRK-man could be directly implemented in Geant4 Monte Carlo simulation using a built-in function, but the computation time was 70~150 times longer than that required by High Definition Reference Korean-Man (HDRK-Man), a voxelized phantom derived also from VKH-man.
With the decreased cost and increased capabilities of computers, Nuclear Engineering has implemented computer software (Computer code to Mathematical model) into all facets of this field.
The generator is equally usable with C++ programs, [4] has been chosen as the default generator in CLHEP [5] for use in Geant4 [6] and there exists a ROOT interface [7] and a PYTHIA interface. [ 8 ] It has been recently tested extensively on very wide variety of platforms, as part of the CLHEP/Geant4 release.