Production of the LiBeB isotopes with time-dependent GCR fluxes
Abia, Carlos · Lisenfeld, Ute · Isern, Jordi
Original · EN
It is well known that no time-independent galactic cosmic ray (GCR) flux model can account for the observed linear relationship of Be and B abundances with metallicity. In this contribution we solve the time-dependent CR propagation equation using simple analytic time dependences for the CR spectrum at the source, the galactic CR escape-length and gas density evolution. The CR fluxes so obtained are used to study the early evolution of the LiBeB abundances in the Galaxy.
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