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P-process

The term p-process (p for proton) is used in two ways in the scientific literature concerning the astrophysical origin of the elements (nucleosynthesis). Originally it referred to a proton capture process which was proposed to be the source of certain, naturally occurring, neutron-deficient isotopes of the elements from selenium to mercury.[1][2] These nuclides are called p-nuclei and their origin is still not completely understood. Although it was shown that the originally suggested process cannot produce the p-nuclei, later on the term p-process was sometimes used to generally refer to any nucleosynthesis process supposed to be responsible for the p-nuclei.[3]

Often, the two meanings are confused. Recent scientific literature therefore suggests to use the term p-process only for the actual proton capture process, as it is customary with other nucleosynthesis processes in astrophysics.[4]

  1. ^ Burbidge, E. M.; Burbidge, G. R.; Fowler, W. A.; Hoyle, F. (1957). "Synthesis of the Elements in Stars". Reviews of Modern Physics. 29 (4): 547–650. Bibcode:1957RvMP...29..547B. doi:10.1103/RevModPhys.29.547.
  2. ^ Cameron, A. G. W. (1957). "Nuclear Reactions in Stars and Nucleogenesis". Publications of the Astronomical Society of the Pacific. 69 (408): 201–222. Bibcode:1957PASP...69..201C. doi:10.1086/127051. JSTOR 40676435.
  3. ^ Arnould, M.; Goriely, S. (2003). "The p-Process of Stellar Nucleosynthesis: Astrophysics and Nuclear Physics Status". Physics Reports. 384 (1–2): 1–84. Bibcode:2003PhR...384....1A. doi:10.1016/S0370-1573(03)00242-4.
  4. ^ Rauscher, T. (2010). "Origin of p-Nuclei in Explosive Nucleosynthesis". Proceedings of Science. NIC XI (59). arXiv:1012.2213. Bibcode:2010arXiv1012.2213R.

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