On the production of lithium, beryllium, and boron at low energies.
Abstract
Relative yields of LiBeB isotopes are calculated for proton and alpha-particle induced reactions at energies in the neighborhood of 10 or tens of MeV, and comparisons are made with solar system abundances. A match is found for incident particles in the neighborhood of 16 MeV, assuming the meteoritic value for the B abundance and standard values for other target and product abundances. To obtain matches to a lower than meteoritic B abundance or for protons and alpha-particles at the same energy per nucleon, it is found necessary to alter the initial abundance assumptions or assume selective destruction. The range of possible fits suggests that the nuclear cross sections do not preclude each of the LiBeB isotopes being produced mainly in reactions at the relatively low energies considered.
- Publication:
-
The Astrophysical Journal
- Pub Date:
- November 1975
- DOI:
- 10.1086/153967
- Bibcode:
- 1975ApJ...202..222B
- Keywords:
-
- Alpha Particles;
- Nuclear Fusion;
- Proton Energy;
- Solar System;
- Abundance;
- Beryllium Isotopes;
- Boron Isotopes;
- Lithium Isotopes;
- Meteoritic Composition;
- Nuclear Reactions;
- Reaction Kinetics;
- Astrophysics