Origin of Light Elements in the Solar System
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The abundances of light elements, Li, Be and B, are explained as nuclear reaction products caused by high energy particles accelerated in the early stage of the sun. The theory developed in the present paper is at variance with that by Fowler, Greenstein and Hoyle in such a respect that neutron capture processes are not important. The present theory is an extension of the theories proposed earlier by the present author and by Bernas et al., but is different from them in such a respect that nuclear reactions induced by α-particles are taken into account. This increases the Be/B ratio so as to agree with the meteoritic ratio. The α-He collisions produce Li isotopes on the solar surface, and they are transported as solar wind into interplanetary space to be mixed with planetary primordial matter. This increases the Li/Be ratio, so that the meteoritic abundances are roughly reproduced, if the depletion of ^<6>Li takes place at the bottom of the solar convection zone.
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