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New Measurements of the Li, Be, and B Isotopes as a Test of Cosmic Ray Transport Models

Authors :
deNolfo, Georgia A
Yanasak, N. E
Binns, W. R
Cummings, A. C
Davis, A. J
George, J. S
Hink, P. L
Israel, M. H
Leske, R. A
Mewaldt, R. A
Publication Year :
2003
Publisher :
United States: NASA Center for Aerospace Information (CASI), 2003.

Abstract

Precise measurements of predominantly secondary cosmic-ray Li, Be, and B together with current well-measured production cross-sections for these isotopes help to improve our understanding of galactic cosmic ray propagation models. The Cosmic Ray Isotope Spectrometer (CRIS) on ACE has been measuring isotopic composition of cosmic rays since 1997 with high statistical precision. We present the isotopic abundances from CRIS and discuss these observations in the context of cosmic-ray transport models and previous cosmic-ray measurements.

Subjects

Subjects :
Astronomy

Details

Language :
English
Database :
NASA Technical Reports
Publication Type :
Report
Accession number :
edsnas.20030056643
Document Type :
Report