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An Overview of the Origin of Galactic Cosmic Rays as Inferred from Observations of Heavy Ion Composition and Spectra

Wiedenbeck, M. E. and Binns, W. R. and Cummings, A. C. and Davis, A. J. and de Nolfo, G. A. and Israel, M. H. and Leske, R. A. and Mewaldt, R. A. and Stone, E. C. and von Rosenvinge, T. T. (2007) An Overview of the Origin of Galactic Cosmic Rays as Inferred from Observations of Heavy Ion Composition and Spectra. Space Science Reviews, 130 (1-4). pp. 415-429. ISSN 0038-6308. doi:10.1007/s11214-007-9198-y.

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The galactic cosmic rays arriving near Earth, which include both stable and long-lived nuclides from throughout the periodic table, consist of a mix of stellar nucleosynthesis products accelerated by shocks in the interstellar medium (ISM) and fragmentation products made by high-energy collisions during propagation through the ISM. Through the study of the composition and spectra of a variety of elements and isotopes in this diverse sample, models have been developed for the origin, acceleration, and transport of galactic cosmic rays. We present an overview of the current understanding of these topics emphasizing the insights that have been gained through investigations in the charge and energy ranges Z ≲ 30 and E/M ≲ 1 GeV/nuc, and particularly those using data obtained from the Cosmic Ray Isotope Spectrometer on NASA’s Advanced Composition Explorer mission.

Item Type:Article
Related URLs:
URLURL TypeDescription ReadCube access
Wiedenbeck, M. E.0000-0002-2825-3128
Binns, W. R.0000-0001-6110-3407
Cummings, A. C.0000-0002-3840-7696
de Nolfo, G. A.0000-0002-3677-074X
Israel, M. H.0000-0002-8104-208X
Leske, R. A.0000-0002-0156-2414
Mewaldt, R. A.0000-0003-2178-9111
Stone, E. C.0000-0002-2010-5462
Additional Information:© 2007 Springer Science+Business Media B.V. Received: 7 February 2007. Accepted: 16 April 2007. Published online: 27 June 2007. We are grateful to Nathan Yanasak and Jeff George for their contributions to the ACE/CRIS data analysis and to Richard Lingenfelter and Ryan Ogliore for their comments on the manuscript. This work was supported by NASA at Caltech (under grant NAG5-12929), JPL, Washington University, and GSFC.
Group:Space Radiation Laboratory
Funding AgencyGrant Number
Washington UniversityUNSPECIFIED
Goddard Space Flight CenterUNSPECIFIED
Subject Keywords:ISM : cosmic rays; abundances; acceleration of particles; supernovae; general
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory2007-10
Issue or Number:1-4
Record Number:CaltechAUTHORS:20100909-133903373
Persistent URL:
Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:19850
Deposited By: Tony Diaz
Deposited On:10 Sep 2010 03:33
Last Modified:08 Nov 2021 23:55

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