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R-Process Freezeout, Nuclear Deformation, and the Rare-Earth Element Peak | | R. Surman
; J. Engel
; J.R. Bennett
; B.S. Meyer
; | | Date: |
3 Dec 1996 | | Subject: | astro-ph nucl-th | | Abstract: | We use network calculations of r-process nucleosynthesis to explore the origin of the peak in the solar r-process abundance distribution near nuclear mass number A = 160. The peak is due to a subtle interplay of nuclear deformation and beta decay, and forms not in the steady phase of the r-process, but only just prior to freezeout, as the free neutrons rapidly disappear. Its existence should therefore help constrain the conditions under which the r-process occurs and freezes out. | | Source: | arXiv, astro-ph/9701007 | | Services: | Forum | Review | PDF | Favorites | |
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