NASA NTRS · 20030054346
Propagation of Light Elements in the Galaxy
Abstract
The origin and evolution of isotopes of the lightest elements d, He-3, Li, Be, and B in the universe is a key problem in such fields as astrophysics of CR, Galactic evolution, non-thermal nucleosynthesis, and cosmological studies. One of the major sources of these species is spallation by CR nuclei in the interstellar medium. On the other hand, it is the Boron/Carbon ratio in CR and Be-10 abundance which are used to fix the propagation parameters and thus spallation rate. We study production and Galactic propagation of these species using the numerical propagation code GALPROP and updated production cross sections.
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Moskalenko, I. V., Strong, A. W., Mashnik, S. G., Jones, F. C.. 2003-03-27. Propagation of Light Elements in the Galaxy. https://ntrs.nasa.gov/citations/20030054346
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