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Charged Particle Spectra Obtained with the Mars Science Laboratory Radiation Assessment Detector (MSL/RAD) on the Surface of Mars

Ehresmann, Bent and Zeitlin, Cary and Hassler, Donald M. and Wimmer-Schweingruber, Robert F. and Böhm, Eckart and Böttcher, Stephan and Brinza, David E. and Burmeister, Sönke and Guo, Jingnan and Köhler, Jan and Martin, Cesar and Posner, Arik and Rafkin, Scot and Reitz, Günther (2014) Charged Particle Spectra Obtained with the Mars Science Laboratory Radiation Assessment Detector (MSL/RAD) on the Surface of Mars. JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS, n/a-n/a. Wiley. DOI: 10.1002/2013JE004547 ISSN 2169-9097

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Official URL: http://dx.doi.org/10.1002/2013JE004547

Abstract

The Radiation Assessment Detector (RAD)– situated inside the Mars Science Laboratory's Curiosity rover – is the first-ever instrument to measure the energetic-particle radiation environment on the surface of Mars. To fully understand the influence of this surface radiation field in terms of potential hazard to life, a detailed knowledge of its composition is necessary. Charged particles are a major component of this environment, both galactic cosmic rays propagating to the Martian surface and secondary particles created by interactions of these cosmic rays with the atoms of the Martian atmosphere and soil. Here, we present particle fluxes for a wide range of ion species, providing detailed energy spectra in the low-energy range (up to several hundred MeV/nuc particle energy), as well as integral fluxes for higher energies. In addition to being crucial for the understanding of the hazards of this radiation to possible future manned missions to Mars, the data reported here provide valuable input for evaluating and validating particle transport models currently used to estimate the radiation environment on Mars and elsewhere in space. It is now possible for the first time to compare model results for expected surface particle fluxes with actual ground-based measurements.

Item URL in elib:https://elib.dlr.de/88306/
Document Type:Article
Title:Charged Particle Spectra Obtained with the Mars Science Laboratory Radiation Assessment Detector (MSL/RAD) on the Surface of Mars
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Ehresmann, BentSouthwest Research Institute, Boulder, CO, USA; ehresmann (at) boulder.swri.eduUNSPECIFIED
Zeitlin, CarySouthwest Research Institute, Boulder, CO, USAUNSPECIFIED
Hassler, Donald M.Southwest Research Institute, Boulder, CO, USAUNSPECIFIED
Wimmer-Schweingruber, Robert F.Christian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIED
Böhm, EckartChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIED
Böttcher, StephanChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIED
Brinza, David E.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIED
Burmeister, SönkeChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIED
Guo, JingnanChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIED
Köhler, JanChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIED
Martin, CesarChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIED
Posner, ArikNASA Headquarters, Science Mission Directorate, Washington, DC, USAUNSPECIFIED
Rafkin, ScotSouthwest Research Institute, Boulder, CO, USAUNSPECIFIED
Reitz, GüntherDeutsches Zentrum für Luft- und Raumfahrt, Cologne, GermanyUNSPECIFIED
Date:2014
Journal or Publication Title:JOURNAL OF GEOPHYSICAL RESEARCH-PLANETS
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:Yes
DOI :10.1002/2013JE004547
Page Range:n/a-n/a
Publisher:Wiley
Series Name:Epub ahead of print (in Press)
ISSN:2169-9097
Status:Published
Keywords:Mars, Radiation, Charged Particles, Galactic Cosmic Rays
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
Location: Köln-Porz
Institutes and Institutions:Institute of Aerospace Medicine > Radiation Biology
Deposited By: Kopp, Kerstin
Deposited On:19 Feb 2014 11:02
Last Modified:08 Mar 2018 18:35

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