Determination of the nuclear quadrupole moment of {sup 87}Sr
- Atomphysik, Gesellschaft fuer Schwerionenforschung mbH, Planckstrasse 1, 64291 Darmstadt (Germany)
A new nuclear quadrupole moment, Q=0.305(2) b, of {sup 87}Sr is determined by combining precise measurement of the electric quadrupole hyperfine structure constant of the 4d {sup 2}D{sub 5/2} state of its ion with calculation. This is a significant improvement over the previous values 0.335(20), 0.327(24), and 0.323(20) b. Relativistic coupled-cluster theory is employed in the calculations and electron correlation effects are included using the single, double, and an important subset of triple excitations. The magnetic dipole and electric quadrupole hyperfine structure constants of a few low-lying states are calculated to a high accuracy. The role of different electron correlation effects in the 4d {sup 2}D{sub 5/2} state is investigated.
- OSTI ID:
- 20787484
- Journal Information:
- Physical Review. A, Journal Name: Physical Review. A Journal Issue: 6 Vol. 73; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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