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The radiation environment on the surface of Mars - Summary of model calculations and comparison to RAD data

Matthiä, Daniel and Hassler, Donald M. and de Wet, Wouter and Ehresmann, Bent and Firan, Ana and Flores-McLaughlin, John and Guo, Jingnan and Heilbronn, Lawrence H. and Lee, Kerry and Ratliff, Hunter and Rios, Ryan R. and Slaba, Tony C. and Smith, Michael and Stoffle, Nicholas N. and Townsend, Lawrence W. and Berger, Thomas and Reitz, Günther and Wimmer-Schweingruber, Robert F. and Zeitlin, Cary (2017) The radiation environment on the surface of Mars - Summary of model calculations and comparison to RAD data. Life Sciences in Space Research. Elsevier. DOI: 10.1016/j.lssr.2017.06.003 ISSN 2214-5524

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Official URL: http://dx.doi.org/10.1016/j.lssr.2017.06.003

Abstract

The radiation environment at the Martian surface is, apart from occasional solar energetic particle events, dominated by galactic cosmic radiation, secondary particles produced in their interaction with the Martian atmosphere and albedo particles from the Martian regolith. The highly energetic primary cosmic radiation consists mainly of fully ionized nuclei creating a complex radiation field at the Martian surface. This complex field, its formation and its potential health risk posed to astronauts on future manned missions to Mars can only be fully understood using a combination of measurements and model calculations. In this work the outcome of a workshop held in June 2016 in Boulder, CO, USA is presented: experimental results from the Radiation Assessment Detector of the Mars Science Laboratory are compared to model results from GEANT4, HETC-HEDS, HZETRN, MCNP6, and PHITS. Charged and neutral particle spectra and dose rates measured between 15 November 2015 and 15 January 2016 and model results calculated for this time period are investigated.

Item URL in elib:https://elib.dlr.de/113069/
Document Type:Article
Title:The radiation environment on the surface of Mars - Summary of model calculations and comparison to RAD data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Matthiä, Danielgerman aerospace center, institute of aerospace medicine, linder höhe, 51147 cologne, germanyhttps://orcid.org/0000-0003-1507-0143
Hassler, Donald M.Southwest Research Institute, Space Science and Engineering Division, Boulder, USA and Institut d'Astrophysique Spatiale, CNRS, Orsay, FranceUNSPECIFIED
de Wet, WouterDepartment of Nuclear Engineering, University of Tennessee, Knoxville, Tennessee, USAUNSPECIFIED
Ehresmann, BentSouthwest Research Institute, Space Science and Engineering Division, Boulder, USAUNSPECIFIED
Firan, AnaSpace Radiation Analysis Group, NASA Johnson Space Center, Houston, TX, USA and Leidos Exploration and Mission Support, Houston, TX 77258, USAUNSPECIFIED
Flores-McLaughlin, JohnSpace Radiation Analysis Group, NASA Johnson Space Center, Houston, TX, USA and University of Houston, Houston, TX, USAUNSPECIFIED
Guo, JingnanInstitute of Experimental and Applied Physics, Christian-Albrechts-University, Kiel, GermanyUNSPECIFIED
Heilbronn, Lawrence H.Department of Nuclear Engineering, University of Tennessee, Knoxville, Tennessee, USAUNSPECIFIED
Lee, KerrySpace Radiation Analysis Group, NASA Johnson Space Center, Houston, TX, USAUNSPECIFIED
Ratliff, HunterDepartment of Nuclear Engineering, University of Tennessee, Knoxville, Tennessee, USAUNSPECIFIED
Rios, Ryan R.Space Radiation Analysis Group, NASA Johnson Space Center, Houston, TX, USA and Leidos Exploration and Mission Support, Houston, TX 77258, USAUNSPECIFIED
Slaba, Tony C.NASA Langley Research Center, 2 West Reid St., MS 188E, Hampton, VA 23681, USAUNSPECIFIED
Smith, MichaelDepartment of Nuclear Engineering, University of Tennessee, Knoxville, Tennessee, USAUNSPECIFIED
Stoffle, Nicholas N.Leidos Exploration and Mission Support, Houston, TX 77258, USAUNSPECIFIED
Townsend, Lawrence W.Department of Nuclear Engineering, University of Tennessee, Knoxville, Tennessee, USAUNSPECIFIED
Berger, Thomasgerman aerospace center, institute of aerospace medicine, linder höhe, 51147 cologne, germanyhttps://orcid.org/0000-0003-3319-5740
Reitz, Günthergerman aerospace center, institute of aerospace medicine, linder höhe, 51147 cologne, germanyUNSPECIFIED
Wimmer-Schweingruber, Robert F.Institute of Experimental and Applied Physics, Christian-Albrechts-University, Kiel, GermanyUNSPECIFIED
Zeitlin, CaryDepartment of Nuclear Engineering, University of Tennessee, Knoxville, Tennessee, USA and Leidos Exploration and Mission Support, Houston, TX 77258, USAUNSPECIFIED
Date:2017
Journal or Publication Title:Life Sciences in Space Research
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.1016/j.lssr.2017.06.003
Publisher:Elsevier
ISSN:2214-5524
Status:Published
Keywords:galactic cosmic radiation; Mars; particle flux; radiation exposure; modeling
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Science and Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Erforschung des Weltraums
DLR - Research theme (Project):R - Vorhaben MSL-Radiation, R - Vorhaben Strahlenbiologie
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kopp, Kerstin
Deposited On:17 Jul 2017 13:22
Last Modified:17 Jul 2017 13:22

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