Mathematics
Scientific paper
Aug 1985
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....3...33l&link_type=abstract
In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 3 p 33-36 (SEE N85-34862 23-93)
Mathematics
Cosmic Rays, Electron Capture, Interstellar Matter, Mathematical Models, Point Sources, Radioactive Decay, Chemical Composition, Electromagnetic Radiation, Galactic Nuclei, Radiant Flux Density, Radioactive Isotopes
Scientific paper
Traditional analyses of cosmic ray composition seek to identify the sources through a determination of a the isotopic abundances of these nuclei prior to acceleration. At the same time, it is both necessary and interesting to understand the nature of the medium through which cosmic rays pass before arriving at detectors. In fact, only within a model of the interstellar medium (ISM) sampled by cosmic rays can a refined estimate of source composition be made. An elaboration of the traditional model of the ISM used in studying cosmic ray propagation is explored. Inhomogeneity of the ISM is accomodated in this model. Within this model it is found that the abundances of some electron apture isotopes, are very sensitive to density inhomogeneities which might be expected in the ISM. These nuclei therefore measure the penetration of heavy cosmic rays into interstellar clouds.
Letaw John R.
Silberberg Rein
Tsao C. H.
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