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The Cosmic Ray Radiation Dose in Interplanetary Space - Present Day and Worst-Case Evaluations

Mewaldt, R. A. and Davis, A. J. and Binns, W. R. and de Nolfo, G. A. and George, J. S. and Israel, M. H. and Leske, R. A. and Stone, E. C. and Wiedenbeck, M. E. and von Rosenvinge, T. T. (2005) The Cosmic Ray Radiation Dose in Interplanetary Space - Present Day and Worst-Case Evaluations. In: Proceedings of the 29th International Cosmic Ray Conference. Vol.2. Tata Institute of Fundamental Research , Mumbai, India, pp. 433-436. https://resolver.caltech.edu/CaltechAUTHORS:20140905-105722780

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Abstract

A physics-based cosmic-ray transport model has been fit to solar-minimum and solar-maximum cosmic ray spectra and used for preliminary evaluations of the radiation dose and dose-equivalent of galactic cosmic rays (GCRs). We find a solar-minimum radiation dose-equivalent somewhat lower than previous estimates, with a smaller difference between solar minimum and solar maximum. Measurements of Be-10 in polar ice cores and other data show that the cosmic-ray intensity was significantly higher 50 to 100 years ago. The estimated radiation levels during these earlier periods were up to ~ 1.7 times greater than during recent solar minima.


Item Type:Book Section
Related URLs:
URLURL TypeDescription
http://adsabs.harvard.edu/abs/2005ICRC....2..433MADSArticle
ORCID:
AuthorORCID
Mewaldt, R. A.0000-0003-2178-9111
Binns, W. R.0000-0001-6110-3407
de Nolfo, G. A.0000-0002-3677-074X
Israel, M. H.0000-0002-8104-208X
Leske, R. A.0000-0002-0156-2414
Stone, E. C.0000-0002-2010-5462
Wiedenbeck, M. E.0000-0002-2825-3128
Additional Information:© 2005 Tata Institute of Fundamental Research. This work was supported by NASA under NAG5-12929.
Group:Space Radiation Laboratory
Funders:
Funding AgencyGrant Number
NASANAG5-12929
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2005-25
Record Number:CaltechAUTHORS:20140905-105722780
Persistent URL:https://resolver.caltech.edu/CaltechAUTHORS:20140905-105722780
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:49284
Collection:CaltechAUTHORS
Deposited By: Tony Diaz
Deposited On:09 Sep 2014 21:28
Last Modified:09 Mar 2020 13:19

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