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Li, Be, and B production in the 3-GeV proton bombardment of Ni

1975; American Institute of Physics; Volume: 12; Issue: 2 Linguagem: Inglês

10.1103/physrevc.12.527

1538-4497

G. M. Raisbeck, P. Boerstling, R. Klapisch, T. Darrah Thomas,

Nuclear Physics and Applications

Measurements have been made of the energy spectra and angular distributions of Li, Be, and B nuclei emitted from a Ni target bombarded with 3-GeV protons, using a counter telescope technique. By integrating the spectra and normalizing to the radiochemically determined cross section of $^{7}\mathrm{Be}$, total isotopic cross sections have been determined, and these are discussed in terms of the cosmic ray production of Li, Be, and B. The experimental cross sections are compared with a recent semiempirical formula; within the uncertainties the agreement between experiment and prediction is satisfactory.NUCLEAR REACTIONS Ni with 3-GeV protons; measured energy spectra, angular distributions, yields for Li, Be, and B isotopes.