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Masses and Deformations of Neutron-Rich Nuclei

1997/10/21 by J. Rayford Nix, J.R. Nix, Nix, J. Rayford +3
Physics and Astronomy · #FOS: Physical sciences #Nuclear Physics and Applications #Nuclear Theory (nucl-th) #Nuclear physics research studies #Pulsars and Gravitational Waves Research #nucl-th

paper · pdf · doi:10.48550/arxiv.nucl-th/9710049

10 pages. LaTeX with World Scientific style file sprocl.sty and psfig.tex. 7 figures, 6 of which are included here in bitmapped PostScript and 1 in full-resolution PostScript. To be presentated at International Conference on Fission and Properties of Neutron-Rich Nuclei, Sanibel Island, Florida, November 10-15, 1997. To be published in conference proceedings by World Scientific, Singapore. Complete camera-ready PostScript version with full-resolution figures inserted available at ftp://t2.lanl.gov/pub/publications/fpnrn97

arxiv created 1997/10/21 · openalex publication_date 1997/10/21 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28

Abstract

We have calculated the masses, deformations, and other properties of 8979 nuclei ranging from oxygen-16 to Z = 136, A = 339 and extending from the proton drip line to the neutron drip line on the basis of the 1992 version of the finite-range droplet model. The predicted quantities include the ground-state mass, deformation, microscopic correction, odd-proton and odd-neutron spins and parities, proton and neutron pairing gaps, binding energy, one- and two-neutron separation energies, quantities related to beta-delayed one- and two-neutron emission probabilities, beta-decay energy release and half-life with respect to Gamow-Teller decay, one- and two-proton separation energies, and alpha-decay energy release and half-life. For 1654 nuclei heavier than oxygen-16 whose masses were known experimentally in 1989 and which were included in the adjustment of model constants, the theoretical error is 0.669 MeV. For 371 additional nuclei heavier than oxygen-16 whose masses have been measured between 1989 and 1996 and which were not used in the adjustment of the model constants, the theoretical error is 0.570 MeV.

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