Relativistic calculations of the hyperfine interactions in the excited 7 {sup 2}{ital P}{sub 3/2} and 7 {sup 2}{ital P}{sub 1/2} states of the Ra{sup +} ion
- Department of Physics, State University of New York at Albany, Albany, New York 12222 (United States)
- Technische Natuurkunde, Technische Universiteit Delft, 2628 CJ Delft (Netherlands)
The relativistic linked-cluster many-body perturbation theory (RLCMBPT) has been used to investigate the hyperfine properties in the excited 7 {sup 2}{ital P}{sub 3/2} and 7 {sup 2}{ital P}{sub 1/2} states of {sup 221}Ra{sup +} ions. Our calculations of the hyperfine constants yield {minus}22.4{plus_minus}0.3 MHz for the 7 {sup 2}{ital P}{sub 3/2} state and {minus}265.3{plus_minus}4.0 MHz for the 7 {sup 2}{ital P}{sub 1/2} state, in excellent agreement with the experimentally obtained values of {minus}22.4{plus_minus}0.9 and {minus}266.3{plus_minus}1.5 MHz, respectively. The results obtained in this work are compared with those by other theoretical methods and an attempt is made to understand the relationship between the different methods, particularly that between the RLCMBPT procedure adopted in this work and the many-body multiconfigurational Dirac-Fock procedures.
- OSTI ID:
- 132886
- Journal Information:
- Physical Review A, Journal Name: Physical Review A Journal Issue: 5 Vol. 52; ISSN 1050-2947; ISSN PLRAAN
- Country of Publication:
- United States
- Language:
- English
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