Abstract
view Abstract Citations (19) References (24) Co-Reads Similar Papers Volume Content Graphics Metrics Export Citation NASA/ADS The s-process branching at Sm-151 Beer, H. ; Kaeppeler, F. ; Yokoi, K. ; Takahashi, K. Abstract The s-process branching at Sm-151 is investigated, with emphasis placed on the determination of the capture cross sections, temperature-dependent beta-decay rates of the unstable isotopes, and thermal equilibrium time scale for the ground and the isomeric state in Eu-152. By using the steady flow model of the s-process, a neutron density of (1.3-2.8) x 10 to the 8th per cu cm at a temperature of 3 x 10 to the 8th K and an electron density of 10 to the 27th per cu cm has been obtained. The estimated range of the neutron density is determined by the assumed p-process contribution to the abundance of Gd-152, the key isotope of this branching. Publication: The Astrophysical Journal Pub Date: March 1984 DOI: 10.1086/161804 Bibcode: 1984ApJ...278..388B Keywords: Branching (Physics); Nuclear Fusion; Radioactive Decay; Samarium Isotopes; Solar Physics; Abundance; Gadolinium Isotopes; Ground State; Neutron Cross Sections; Nuclear and High-Energy Physics full text sources ADS |
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