The endpoint of the rp-process

Details The endpoint of the rp-process The endpoint of the rp-process

Feb 1997

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1997nupha.621..417s&link_type=abstract

Nuclear Physics A, v. 621, p. 417-420.

Physics

Nuclear Physics

2

Scientific paper

The endpoint of rp-process nucleosynthesis in X-ray bursts determines the fuel consumption, the energy generation, and the abundance pattern of the produced nuclei. To investigate the time structure of rp-process nucleosynthesis, we used a nuclear reaction network including nuclei from H to Sn. We found that if 2p-capture reactions are included, the synthesis of nuclei heavier than Kr proceeds faster than previously thought. Therefore, in most X-ray bursts large amounts of nuclei in the A=80-100 region are expected to be produced. With an escape factor of about 1%, X-ray bursts could account for the large observed solar system abundances of the light p-nuclei like 92Mo and 96Ru that cannot be produced sufficiently in other p-process scenarios.

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