Galactic propagation models consistent with the cosmic ray lifetime derived from Be-10 measurements

Details Galactic propagation models consistent with the cosmic ray lifetime derived from Be-10 measurements Galactic propagation models consistent with the cosmic ray lifetime derived from Be-10 measurements

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....2...76g&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 2 p 76-79 (SEE N85-34006 22-93)

Statistics

Computation

Beryllium Isotopes, Cosmic Rays, Galactic Radiation, Wave Propagation, Computation, Excitation, Interstellar Radiation, Radiation Measurement, Ratios

Scientific paper

Using a propagation calculation with energy dependent parameters, including the depletion of short pathlengths, and incorporating experimental nuclear excitation functions, the variation of the Be-10/Be9 ratio with the matter densities in two nested confinement regions is investigated. It is shown that there is no unique correspondence between a Be-10/Be9 measurement at low energy and the density of matter in the galaxy. Be-10/Be9 measurements at both low and high energy are needed to fully specify the matter densities.

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