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Performance of the hadronic interaction physics in the simulation is a major concern. This page gathers information on the available codes, known problems, and plans for improvement. For information on selecting different packages in
BBSIM see the BBSIM guide.
The amount of material on the web concerning GHEISHA and FLUKA is ZERO, as far as I've been able to determine so far, which is outrageous.
Performance studies
GHEISHA
Writeup: H. C. Fesefeldt, GHEISHA program, Technical Report PITHA 85-02, III Physikalisches Institut, RWTH Aachen Physikzentrum, 5100 Aachen, Germany, September 1985.
Geant's default hadronic interaction package.
FLUKA
From CERNLIB 97a Geant321:
*======================================================================*
* *
* FFFF L U U K K AA *
* F L U U K K A A *
* FFF L U U KK AAAA *
* F L U U K K A A *
* F LLLL UU K K A A *
* *
* (C) Copyright of the authors *
* *
* A. Fasso'*, A. Ferrari#, J. Ranft$, P.R. Sala# *
* *
* *: CERN, #: INFN -Milan, $: CERN/Frascati *
* *
* (e-mail: FERRARIA@CERNVM.CERN.CH) *
* *
*======================================================================*
* *
* - All the rights concerning FLUKA or parts of it are only of the *
* authors and are independent from those of the GEANT code *
* *
* - FLUKA [1-6] is a standalone code capable of simulating the inter-*
* action and transport of all components of EM and hadronic cas- *
* cades up to several TeV. However, only cross sections and *
* models for hadronic elastic and inelastic interactions (end 1992 *
* status) are included in this GEANT version. *
* *
* - The most recent FLUKA model [4,6] for nucleon and pion interac- *
* tions in the intermediate energy range is not fully implemented *
* in GEANT. Only a simplified version, limited to p and n below *
* 250 MeV, is available in GEANT 3.21. A coarser model is used for *
* other projectiles in this energy range. However the implemented *
* parts should be adequate for most detector simulations and sim- *
* ilar applications for which GEANT is generally used. Their accu- *
* racy could be insufficient for some nuclear physics studies or *
* demanding simulations at low energies, where the more sophistic- *
* ated models [4,6] could be required. *
* *
* - The performances of GEANT-FLUKA are therefore not representative *
* of those of FLUKA standalone and should be referenced as such *
* rather than simply GEANT or FLUKA. *
* *
* - The authors reserve the right of publishing about the physical *
* models developed for FLUKA. Running the FLUKA routines in isol- *
* ation for benchmarks (or equivalent use) is not permitted, *
* except after consultations or in collaboration with the authors. *
* *
* - The FLUKA routines are supposed to be included and used in *
* GEANT only. Any other use must be authorized by the authors. *
* *
* - References: at least reference [5] should be always quoted when *
* reporting results obtained with GEANT-FLUKA *
* *
* [1] A. Fasso', A. Ferrari, J. Ranft, P. R. Sala, G. R. Stevenson and *
* J. M. Zazula, "FLUKA92", presented at the workshop on "Simulat- *
* ing Accelerator Radiation Environment", SARE, Santa Fe, 11-15 *
* january (1993), Proceedings in press. *
* *
* [2] P.A. Aarnio, A. Fasso', A. Ferrari, J.-H. Moehring, J. Ranft, *
* P.R. Sala, G.R. Stevenson and J.M. Zazula, Proc. MC93 Int. Conf. *
* on Monte-Carlo Simulation in High-Energy and Nuclear Physics, *
* Tallahassee, Florida, 22-26 february (1993), World Scientific, *
* p. 88 (1994). *
* *
* [3] P.A. Aarnio, A. Fasso', A. Ferrari, J.-H. Moehring, J. Ranft, *
* P.R. Sala, G.R. Stevenson and J.M. Zazula, ibidem, p. 100 (1994) *
* *
* [4] A. Ferrari and P.R. Sala, ibidem, p. 277 (1994). *
* *
* [5] A. Fasso', A. Ferrari, J. Ranft and P.R. Sala, "FLUKA: present *
* status and future developments", presented at the IV Int. Conf. *
* on Calorimetry in High Energy Physics, La Biodola (Elba), *
* September 19-25 1993, Proceedings in press. *
* *
* [6] A. Fasso', A. Ferrari, J. Ranft, and P.R. Sala, "FLUKA: Perf- *
* ormances and Applications in the Intermediate Energy Range", *
* presented at the "Specialists' Meeting on Shielding Aspects of *
* Accelerators, Targets & Irradiation Facilities", Arlington, *
* April 28-29 1994, Proceedings in press. *
GCALOR
Hadronic Interactions In Geant4
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