Reaction and proton-removal cross sections of ${}^6$Li, ${}^7$Be, ${}^{10}$B, ${}^{9,10,11}$C, $^{12$N, ${}^{13,15}$O and ${}^{17}$Ne on Si at 15 to 53 MeV/nucleon

Abstract

Excitation functions for total reaction cross sections, ${\sigma }_R$, were measured for the light, mainly proton-rich nuclei ${}^6$Li, ${}^7$Be, ${}^{10}$B, ${}^{9,10,11}$C, ${}^{12}$N, ${}^{13,15}$O, and ${}^{17}$Ne incident on a Si telescope at energies between 15 and 53 MeV/nucleon. The telescope served as target, energy degrader and detector. Proton-removal cross sections, ${\sigma }_{2p}$ for ${}^{17}$Ne and ${\sigma }_p$ for most of the other projectiles, were also measured. The strong absorption model reproduces the $A$-dependence of ${\sigma }_R$, but not the detailed structure. Glauber multiple scattering theory and the JLM folding model provided improved descriptions of the measured ${\sigma }_R$ values. $rms$ radii, extracted from the measured ${\sigma }_R$ using the optical limit of Glauber theory, are in good agreement with those obtained from high energy data. One-proton removal reactions are described using an extended Glauber model, incorporating second order noneikonal corrections, realistic single particle densities, and spectroscopic factors from shell model calculations.

16 pages, 6 figures

References in corpus (5)

• One-neutron removal reactions on light neutron-rich nuclei
• Optical model potentials involving loosely bound p-shell nuclei around 10 MeV/A
• Electromagnetic Dissociation of 8B and the Rate of the 7Be(p,gamma)8B Reaction in the Sun
• Refractive effects in the scattering of loosely bound nuclei
• New calculations of the PNC Matrix Element for the $J^{\pi }T$ 0${}^{+}1,0^{-}1$ doublet in ${}^{14}$N

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• Determination of astrophysical 12N(p,g)13O reaction rate from the 2H(12N, 13O)n reaction and its astrophysical implications
• The correlation between quarter point angle and nuclear radius
• The Fractal Geometrical Properties of Nuclei
• Astrophysical Rate for 12N(p,g)13O Direct Capture Reactions
• Theoretical study of one-proton removal from 15O