Speaker
Dr
G. Folger
(CERN)
Description
Geant4 is a toolkit for the simulation of the passage of particles
through matter. Amongst its applications are hadronic calorimeters
of LHC detectors and simulation of radiation environments. For these
types of simulation, a good description of secondaries generated by
inelastic interactions of primary nucleons and pions is particularly
important.
The Geant4 Binary Cascade is a hybrid between a classical intra-
nuclear cascade and a QMD model for the simulation of inelastic
scattering of pions, protons and neutrons, and light ions
of intermediate energies off nuclei. The nucleus is modeled by
individual nucleons bound in the nuclear potential. Binary
collisions of projectiles or projectile constituants and secondaries
with single nucleons, resonance production, and decay are simulated
according to measured, parametrised or calculated cross sections.
Pauli's exclusion principle, i.e. blocking of interactions due to
Fermi statistics, reduces the free cross section to an effective
intra-nuclear cross section. Secondary particles are allowed to
further interact with remaining nucleons.
We will describe the modeling, and give an overview of the
components of the model, their object oriented design, and
implementation.
Primary authors
Dr
G. Folger
(CERN)
Dr
H.P. Wellisch
(CERN)
