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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


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
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Zeitlin, CarySouthwest Research Institute, Boulder, CO, USAUNSPECIFIEDUNSPECIFIED
Hassler, Donald M.Southwest Research Institute, Boulder, CO, USAUNSPECIFIEDUNSPECIFIED
Wimmer-Schweingruber, Robert F.Christian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIEDUNSPECIFIED
Böhm, EckartChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIEDUNSPECIFIED
Böttcher, StephanChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIEDUNSPECIFIED
Brinza, David E.Jet Propulsion Laboratory, California Institute of Technology, Pasadena, CA, USAUNSPECIFIEDUNSPECIFIED
Burmeister, SönkeChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIEDUNSPECIFIED
Guo, JingnanChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIEDUNSPECIFIED
Köhler, JanChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIEDUNSPECIFIED
Martin, CesarChristian-Albrechts-Universität zu Kiel, Kiel, GermanyUNSPECIFIEDUNSPECIFIED
Posner, ArikNASA Headquarters, Science Mission Directorate, Washington, DC, USAUNSPECIFIEDUNSPECIFIED
Rafkin, ScotSouthwest Research Institute, Boulder, CO, USAUNSPECIFIEDUNSPECIFIED
Reitz, GüntherDeutsches Zentrum für Luft- und Raumfahrt, Cologne, GermanyUNSPECIFIEDUNSPECIFIED
Journal or Publication Title:Journal of Geophysical Research: Planets
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:n/a-n/a
Series Name:Epub ahead of print (in Press)
Keywords:Mars, Radiation, Charged Particles, Galactic Cosmic Rays
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Exploration
DLR - Research area:Raumfahrt
DLR - Program:R EW - Space Exploration
DLR - Research theme (Project):R - Vorhaben MSL-Radiation (old)
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:28 Feb 2023 14:56

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