Relativistic Fock space coupled-cluster study of bismuth electronic structure to extract the Bi nuclear quadrupole moment

L. V. Skripnikov, A. V. Oleynichenko, A. V. Zaitsevskii, D. E. Maison, and A. E. Barzakh
Phys. Rev. C 104, 034316 – Published 20 September 2021

Abstract

We report the value of the electric quadrupole moment of Bi209 extracted from the atomic data. For this, we performed electronic structure calculations for the ground S3/2o4 and excited P3/2o2 states of atomic Bi using the Dirac-Coulomb-Breit Hamiltonian and the Fock space coupled-cluster method with single, double, and full triple amplitudes for the three-particle Fock space sector. The value of the quadrupole moment of Bi209, Q(209Bi)=418(6) mb, derived from the resulting electric field gradient values and available atomic hyperfine splittings is in excellent agreement with molecular data. Due to the availability of the hyperfine constants for unstable isotopes of Bi, current atomic calculation allows also to correct their quadrupole moments.

  • Received 10 June 2021
  • Accepted 2 August 2021

DOI:https://doi.org/10.1103/PhysRevC.104.034316

©2021 American Physical Society

Physics Subject Headings (PhySH)

Atomic, Molecular & OpticalNuclear Physics

Authors & Affiliations

L. V. Skripnikov1,2,*, A. V. Oleynichenko1,3, A. V. Zaitsevskii1,3, D. E. Maison1,2, and A. E. Barzakh1

  • 1Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Center “Kurchatov Institute” (NRC “Kurchatov Institute” - PNPI), 1 Orlova roscha, Gatchina, 188300 Leningrad region, Russia
  • 2Saint Petersburg State University, 7/9 Universitetskaya nab., St. Petersburg 199034 Russia
  • 3Department of Chemistry, M.V. Lomonosov Moscow State University, Leninskie gory 1/3, Moscow 119991 Russia

  • *skripnikov_lv@pnpi.nrcki.ru; leonidos239@gmail.com

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Vol. 104, Iss. 3 — September 2021

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