A comparison of total reaction cross section models used in FLUKA, GEANT4 and PHITS

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Sihver, Lembit,1962Chalmers tekniska högskola,Chalmers University of Technology (author)

A comparison of total reaction cross section models used in FLUKA, GEANT4 and PHITS

Article/chapterEnglish2012

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2012
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LIBRIS-ID:oai:DiVA.org:uu-218504
ISBN:9781457705564
https://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-218504URI
https://doi.org/10.1109/AERO.2012.6187014DOI
https://urn.kb.se/resolve?urn=urn:nbn:se:su:diva-81156URI
https://research.chalmers.se/publication/158290URI

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Language:English
Summary in:English

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Subject category:ref swepub-contenttype
Subject category:kon swepub-publicationtype

Notes

Understanding the interactions and propagations of high energy protons and heavy ions are essential when trying to estimate the biological effects of Galactic Cosmic Rays (GCR) and Solar Particle Events (SPE) on personnel on interplanetary missions, and when preparing the construction of a lunar base. To be able to calculate the secondary particles, including neutrons, and to estimate shielding properties of different materials and radiation risks inside complex geometries, particle and heavy ion transport codes are needed. The interactions of the GCR and SPE with matter include many complex properties and many factors influence the calculated results. In all particle and heavy ion transport codes, the probability function that a projectile particle will collide with a nucleus within a certain distance x in the matter depends on the total reaction cross sections, which also scale the calculated partial fragmentation cross sections. It is therefore crucial that accurate total reaction cross section models are used in the transport calculations. FLUKA, GEANT4 and PHITS are three major multi-purpose three-dimensional Monte Carlo particle and heavy ion transport codes widely used for fundamental research, radioprotection, radiotherapy, and space dosimetry. In this paper, a systematic comparison of the total reaction cross section models used as default in these three codes is performed for a variety of systems of importance for space dosimetry, and the need for future improvements and benchmarking against experimental results is discussed. The need for benchmarking and improvements of the partial nuclear reaction and evaporation models, as well as how impact parameter functions, switching time between the dynamical/pre-equilibrium and the de-excitation/evaporation stages, low energy data libraries, etc., influence the final results, is also briefly be discussed.

Subject headings and genre

NATURVETENSKAP Fysik Subatomär fysik hsv//swe
NATURAL SCIENCES Physical Sciences Subatomic Physics hsv//eng
NATURVETENSKAP Fysik hsv//swe
NATURAL SCIENCES Physical Sciences hsv//eng
Moon;aerospace biophysics;biological effects of ionising particles;cosmic rays;dosimetry;FLUKA;GEANT4;PHITS;biological effect;fundamental research;galactic cosmic ray;heavy ion transport code;heavy ions;high energy protons;interplanetary missions;lunar base;multipurpose 3D Monte Carlo code;partial fragmentation cross section;personnel;radiation risk;radioprotection;radiotherapy;solar particle events;space dosimetry;total reaction cross section model;Data models;Educational institutions;Extraterrestrial measurements;Ions;Projectiles;Protons;Switches
Nuclear Physics
Kärnfysik

Added entries (persons, corporate bodies, meetings, titles ...)

Lantz, Mattias,1971-Uppsala universitet,Tillämpad kärnfysik,Nuclear reaction group,Uppsala University(Swepub:uu)malan676 (author)
Böhlen, Till TobiasStockholms universitet,Fysikum,Organisation européenne pour la recherche nucléaire (CERN),European Organization for Nuclear Research (CERN),Stockholm University(Swepub:su)tibo3472 (author)
Mairani, A. (author)
Cerutti, A. F.Organisation européenne pour la recherche nucléaire (CERN),European Organization for Nuclear Research (CERN) (author)
Ferrari, A. (author)
Chalmers tekniska högskolaTillämpad kärnfysik (creator_code:org_t)

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In:Aerospace Conference, 2012 IEEE, s. 1-10, s. 1 - 10
In:IEEE Aerospace Conference Proceedings, s. 1-10, s. 1 - 101095-323X9781457705564

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