Magic numbers for superheavy nuclei in relativistic continuum Hartree-Bogoliubov theory
By W. Zhang, Jie Meng, S. Zhang, Li-Sheng Geng, Hiroshi Toki. 2004
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The magic proton and neutron numbers are searched in the superheavy region with proton number Z = 100-140 and neutron number N = (Z + 30)-(2Z + 32) in the relativistic continuum Hartree-Bogoliubov (RCHB) theory with effective interactions NL1, NL3, NLSH, TM1, TW99, DD-ME], PK1, and PK1R. Based on the two-nucleon separation energies S-2p and S-2n, the two-nucleon gaps delta(2p) and delta(2n), the shell correction energies E-shell(p) and E-shell(n), the pairing energies E-pair(p) and E-pair(n). and the pairing gaps Delta(p) and Delta(n) Z 120, 132, and 138 and N = 172, 184, 198, 228, 238, and 258 are suggested to be the magic numbers within the present approach. The of-decay half-lives are also discussed. In addition, the potential energy surfaces of possible doubly magic nuclei are obtained by using the deformation-constrained relativistic mean field (RMF) theory, and the shell effects stabilizing nuclei are investigated. (c) 2005 Elsevier B.V. All rights reserved.
Subfields: Nuclear and High Energy Physics
View Paper: https://www.semanticscholar.org/paper/0a41e3dac289aeaead8dd57bf5996ebd25456531
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In Nuclear and High Energy Physics
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- Colloquium : Superheavy elements: Oganesson and beyond (2019, background): “…et al., 2015; Bender et al., 2001, 1999; Ćwiok et al., 1996; Kruppa et al., 2000) as well as around N = 258, N = 308, and N = 410 (Afanasjev et al., 2018b; Bender et al., 2001; Zhang et al., 2005) (see also (Denisov, 2005; Ismail et al., 2016) for estimates based on empirical average potentials).”