Proton capture reaction rates in the rp process

Details Proton capture reaction rates in the rp process Proton capture reaction rates in the rp process

Aug 1995

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1995phrvc..52.1078h&link_type=abstract

Physical Review C (Nuclear Physics), Volume 52, Issue 2, August 1995, pp.1078-1094

Physics

Nuclear Physics

61

Radiative Capture, Spectroscopic Factors And Asymptotic Normalization Coefficients, Shell Model, Stellar Structure, Interiors, Evolution, Nucleosynthesis, Ages

Scientific paper

Detailed shell-model calculations have been performed to study the structure of excited states in neutron deficient T=1, T=3/2, and T=2 nuclei in the mass range A=23-43. Excitation energies, single-particle spectroscopic factors, as well as γ-transition strengths were computed. On the basis of these results new reaction rates were calculated for proton capture on the T=1/2 nucleus 35Ar, on the odd-odd T=1 nuclei 24Al and 32Cl, on the even-even T=1 nuclei 26Si, 30S, 34Ar, and 42Ti and the T=3/2 nuclei 23Al, 27P, 31Cl, and 35K. The new reaction rates are compared with the results of statistical model calculations as well as with previous estimates. The consequences of these new rates for the reaction flow and the rp process nucleosynthesis at different stellar temperature and density conditions will be discussed.

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