de Nolfo, G. A. and Barbier, L. M. and Christian, E. R. and Davis, A. J. and Golden, R. L. and Hof, M. and Krombel, K. E. and Labrador, A. W. and Menn, W. and Mewaldt, R. A. and Mitchell, J. W. and Ormes, J. F. and Rasmussen, I. L. and Reimer, O. and Schindler, S. M. and Simons, M. and Stochaj, S. J. and Streitmatter, R. E. and Webber, W. R. (2000) A measurement of cosmic ray deuterium from 0.5–2.9 GeV/nucleon. In: Acceleration and Transport of Energetic Particles Observed in the Heliosphere. AIP Conference Series. No.528. American Institute of Physics , Melville, NY, pp. 425-428. ISBN 1-56396-951-3. http://resolver.caltech.edu/CaltechAUTHORS:20111129-121047611
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Abstract
The rare isotopes ^(2)H and ^(3)He in cosmic rays are believed to originate mainly from the interaction of high energy protons and helium with the galactic interstellar medium. The unique propagation history of these rare isotopes provides important constraints on galactic cosmic ray source spectra and on models for their propagation within the Galaxy. Hydrogen and helium isotopes were measured with the balloon-borne experiment, IMAX, which flew from Lynn Lake, Manitoba in 1992. The energy spectrum of deuterium between 0.5 and 3.2 GeV/nucleon measured by the IMAX experiment as well as previously published results of ^(3)He from the same instrument will be compared with predictions of cosmic ray galactic propagation models. The observed composition of the light isotopes is found to be generally consistent with the predictions of the standard Leaky Box Model derived to fit observations of heavier nuclei
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| Additional Information: | © 2000 American Institute of Physics. Issue Date: 15 September 2000. The IMAX project was supported in the United States by NASA under NAG5-5227 (Caltech) and under RTOP 353-87-02 (GSFC) and grants NAGW-1418 (NMSU/BBMF) and in Germany by the Deutsche Forschungsgemeinschaft (DFG) and the Bundesministerium für Bildung, Wissenschaft, Forschung und Techologie(BMBF). | ||||||||||||
| Group: | Space Radiation Laboratory | ||||||||||||
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| Subject Keywords: | galactic cosmic rays; cosmic ray propagation; high-energy cosmic ray interactions; interstellar matter; cosmic ray protons; cosmic ray nuclei; isotope relative abundance; deuterium; cosmic ray energy spectra | ||||||||||||
| Classification Code: | PACS: 96.40.De; 98.70.Sa; 95.85.Ry | ||||||||||||
| Record Number: | CaltechAUTHORS:20111129-121047611 | ||||||||||||
| Persistent URL: | http://resolver.caltech.edu/CaltechAUTHORS:20111129-121047611 | ||||||||||||
| Usage Policy: | No commercial reproduction, distribution, display or performance rights in this work are provided. | ||||||||||||
| ID Code: | 27997 | ||||||||||||
| Collection: | CaltechAUTHORS | ||||||||||||
| Deposited By: | Jason Perez | ||||||||||||
| Deposited On: | 29 Nov 2011 23:27 | ||||||||||||
| Last Modified: | 04 Oct 2016 23:00 |
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