Nuclear hexadecapole antishielding factors

Sen, K. D. ; Narasimhan, P. T. (1975) Nuclear hexadecapole antishielding factors Physical Review A, 11 (4). pp. 1162-1167. ISSN 1050-2947

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Using Hartree-Fock-Slater wave functions, values of the nuclear hexadecapole antishielding factor η have been calculated for the following ions: Ti3+, Mn2+, Cu+, Zn2+, Ge4+, Rb+, Zr3+, Nb5+, Tc2+, Ag+, In3+, Sb3+, Cs+, Hf3+, Re2+, Au+, Hg2+, Bi3+, Fr+, Th3+, and Am2+. The radial distortions induced in the core electrons due to nuclear hexadecapole moment were calculated using Sternheimer's perturbation numerical procedure. The contribution to η due to the nf shell is much weaker in magnitude than that from the nd shell. In the three nd series of ions considered here, maximum values of η are obtained in the cases of Cu+, Ag+, and Au+ ions, respectively, where the outer d shell is complete and is most external. With the assumption that a large nuclear quadrupole moment may be associated with a significant hexadecapole moment, it is suggested that of the systems examined here containing nuclei with spin I≥2, Bi3+, Re2+, Sb3+, In3+, and Mn2+ are likely to exhibit prominently nuclear hexadecapole interaction effects since these have favorable natural abundance, quadrupole moment, magnetic resonance sensitivity, and large η values.

Item Type:Article
Source:Copyright of this article belongs to American Physical Society.
ID Code:24261
Deposited On:29 Nov 2010 09:21
Last Modified:09 Jun 2011 11:33

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