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Phys Rev Lett. 2001 Sep 24;87(13):133003. doi: 10.1103/PhysRevLett.87.133003. Epub 2001 Sep 11.

Nuclear quadrupole moments of bismuth.

Physical review letters

J Bieroń, P Pyykkö

Affiliations

  1. Department of Chemistry, University of Helsinki, POB 55 (A.I. Virtasen aukio 1), 00014 Helsinki, Finland. [email protected]

PMID: 11580584 DOI: 10.1103/PhysRevLett.87.133003

Abstract

Multiconfiguration Dirac-Fock models have been employed to compute the electric field gradient in the ground state of the neutral bismuth atom. Combined with the experimental electric quadrupole hyperfine interaction constant, one obtains for (209)Bi the nuclear quadrupole moment Q = -516 (15) mb, which is almost 40% away from the previously accepted standard value [ -370 (26) mb], and narrows by over an order of magnitude the long-standing, extremely broad array of various results ranging from -370 to -710 mb. The recent Q values of (202-208,210(m)-213)Bi by Pearson et al. suffer a consequent change.

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