Abstract
Low-energy (0.04–3.0 MeV) neutron data for even-even 58–64Ni and 64–70Zn isotopes are analyzed in terms of the coupled channel optical model (CCOM) as a function of N p N n, where N p(N n) are the numbers of valent nucleons (particles or holes), and consider the relationship between the diffuseness parameter obtained from CCOM calculations and the value of the N p N n function. Considering the Ni and Zn isotope chains with the traditional magic number Z = 28 and the nontraditional N = 38 proves the existence of N = 28–38 subshells. The results from our analysis indicate the possible existence of the nontraditional magic nucleus 6830 Zn38.
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Original Russian Text © M.V. Mordovskoy, I.V. Surkova, 2014, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2014, Vol. 78, No. 5, pp. 658–661.
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Mordovskoy, M.V., Surkova, I.V. Isotopic features of the N p N n function for even-even isotope chains of Ni and Zn. Bull. Russ. Acad. Sci. Phys. 78, 466–468 (2014). https://doi.org/10.3103/S1062873814050268
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DOI: https://doi.org/10.3103/S1062873814050268