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Cosmic ray investigation for the Voyager missions; energetic particle studies in the outer heliosphere — and beyond

Stone, E. C. and Vogt, R. E. and McDonald, F. B. and Teegarden, B. J. and Trainor, J. H. and Jokipii, J. R. and Webber, W. R. (1977) Cosmic ray investigation for the Voyager missions; energetic particle studies in the outer heliosphere — and beyond. Space Science Reviews, 21 (3). pp. 355-376. ISSN 0038-6308. http://resolver.caltech.edu/CaltechAUTHORS:20140411-093453959

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Abstract

A cosmic-ray detector system (CRS) has been developed for the Voyager mission which will measure the energy spectrum of electrons from ≈3–110 MeV and the energy spectra and elemental composition of all cosmic-ray nuclei from hydrogen through iron over an energy range from ≈ 1–500 MeV/nuc. Isotopes of hydrogen through sulfur will be resolved from ≈ 2–75 MeV/nuc. Studies with CRS data will provide information on the energy content, origin and acceleration process, life history, and dynamics of cosmic rays in the galaxy, and contribute to an understanding of the nucleosynthesis of elements in the cosmic-ray sources. Particular emphasis will be placed on low-energy phenomena that are expected to exist in interstellar space and are known to be present in the outer Solar System. This investigation will also add to our understanding of the transport of cosmic rays, Jovian electrons, and low-energy interplanetary particles over an extended region of interplanetary space. A major contribution to these areas of study will be the measurement of three-dimensional streaming patterns of nuclei from H through Fe and electrons over an extended energy range, with a precision that will allow determination of anisotropies down to 1%. The required combination of charge resolution, reliability and redundance has been achieved with systems consisting entirely of solid-state charged-particle detectors.


Item Type:Article
Related URLs:
URLURL TypeDescription
http://link.springer.com/article/10.1007%2FBF00211546PublisherArticle
http://articles.adsabs.harvard.edu/cgi-bin/nph-iarticle_query?1977SSRv...21..355SADSArticle
Contact Email Address:dmiles@caltech.edu
Additional Information:© 1977 by D. Reidel Publishing Company, Dordrecht-Holland. Received 24 May, 1977. The Voyager cosmic ray experimenters would like to acknowledge their gratitude to Donald E. Stilwell, the Experiment Engineer, and to William Althouse, A. C. Cummings, and T. L. Garrard of Caltech; M. F. Beazley, W. D. Davis and H. E. Trexel of Goddard and J. Otte of JPL and the many others whose devotion and hard work made it possible to deliver an experiment whose inflight performance is expected to reach the scientific objectives as originally proposed.
Group:Space Radiation Laboratory
Other Numbering System:
Other Numbering System NameOther Numbering System ID
Space Radiation Laboratory1977-02
Record Number:CaltechAUTHORS:20140411-093453959
Persistent URL:http://resolver.caltech.edu/CaltechAUTHORS:20140411-093453959
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ID Code:44886
Collection:CaltechAUTHORS
Deposited By: SWORD User
Deposited On:11 Apr 2014 17:15
Last Modified:11 Apr 2014 17:15

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