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A study of total reaction cross section models used in particle and heavy ion transport codes
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics. RIKEN Nishina Center. (Nuclear reaction group)
2011 (English)In: Aerospace Conference, 2011 IEEE, IEEE conference proceedings, 2011, 1-10 p.Conference paper, Published paper (Refereed)
Abstract [en]

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 in space.12 To be able to calculate the shielding properties of different materials and radiation risks, particle and heavy ion transport codes are needed. In all particle and heavy ion transport codes, the probability function that a projectile particle will collide 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. In this paper, different models for calculating nucleon-nucleus and nucleus-nucleus total reaction cross sections are compared with each other and with measurements. The uncertainties in the calculations with the different models are discussed, as well as their overall performances with respect to the available experimental data. Finally, a new compilation of experimental data is presented and new measurements to improve the current models are suggested.

Place, publisher, year, edition, pages
IEEE conference proceedings, 2011. 1-10 p.
Keyword [en]
galactic cosmic rays;heavy ion-nucleus reactions;nuclear fragmentation;nucleon-nucleus reactions;galactic cosmic ray;heavy ion transport code;high energy proton propagation;nucleon-nucleus total reaction cross section;nucleus-nucleus total reaction cross section;partial fragmentation cross section;particle transport code;shielding properties;solar particle event;total reaction cross section model;Atmospheric measurements;Data models;Ions;Iron;Particle measurements;Projectiles;Protons
National Category
Natural Sciences Subatomic Physics
Research subject
Nuclear Physics
Identifiers
URN: urn:nbn:se:uu:diva-221519DOI: 10.1109/AERO.2011.5747246ISBN: 978-1-4244-7350-2 (print)OAI: oai:DiVA.org:uu-221519DiVA: diva2:709249
Conference
Aerospace Conference, 2011 IEEE
Available from: 2014-04-01 Created: 2014-04-01 Last updated: 2014-04-01

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Lantz, Mattias

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Citation style
  • apa
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Output format
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