Time dependent models for Li, Be and B production in the early Galaxy

Details Time dependent models for Li, Be and B production in the early Galaxy Time dependent models for Li, Be and B production in the early Galaxy

1999-03-24

arxiv.org/abs/astro-ph/9903369v1

Astronomy and Astrophysics

Astrophysics

8 pages, 8 figures, proc. of "LiBeB, cosmic rays and gamma-ray line astronomy" (Paris, dec. 1998)

Scientific paper

We calculate the light element production induced by the explosion of an isolated supernova in the ISM. We use a time-dependent model and consider energetic particles accelerated at the forward (process~1) and reverse (process~2) shocks. Both processes are primary, but are shown to underproduce Be and B. The reasons for this failure are analyzed and used to propose a possible alternative, based on the acceleration of particles inside superbubbles.

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