End point of the rp process on accreting neutron stars
We calculate the rapid proton ( rp) capture process of hydrogen burning on the surface of an accreting neutron star with an updated reaction network that extends up to Xe, far beyond previous work. In both steady-state nuclear burning appropriate for rapidly accreting neutron stars (such as the magn...
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| Veröffentlicht in: | Physical review letters 2001-04, Vol.86 (16), p.3471-3474 |
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| container_title | Physical review letters |
| container_volume | 86 |
| creator | Schatz, H Aprahamian, A Barnard, V Bildsten, L Cumming, A Ouellette, M Rauscher, T Thielemann, F K Wiescher, M |
| description | We calculate the rapid proton ( rp) capture process of hydrogen burning on the surface of an accreting neutron star with an updated reaction network that extends up to Xe, far beyond previous work. In both steady-state nuclear burning appropriate for rapidly accreting neutron stars (such as the magnetic polar caps of accreting x-ray pulsars) and unstable burning of type I x-ray bursts, we find that the rp process ends in a closed SnSbTe cycle. This prevents the synthesis of elements heavier than Te and has important consequences for x-ray burst profiles, the composition of accreting neutron stars, and potentially galactic nucleosynthesis of light p nuclei. |
| doi_str_mv | 10.1103/PhysRevLett.86.3471 |
| format | Article |
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| ispartof | Physical review letters, 2001-04, Vol.86 (16), p.3471-3474 |
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| source | American Physical Society Journals |
| title | End point of the rp process on accreting neutron stars |
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