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Title: Magnetic dipole hyperfine interactions in 137Ba+ and the accuracies of the neutral weak interaction matrix elements
Authors: Sahoo, B. K
Gopakumar, G
Chaudhuri, R. K
Das, B. P
Merlitz, H
Mahapatra, U. S
Mukherjee, D
Keywords: The Relativistic Coupled-Cluster Method;Magnetic Dipole Hyperfine Interactions
Issue Date: Oct-2003
Publisher: The American Physical Society
Citation: Physical Review A, Vol. 68, No. 4, pp. 040501
Abstract: The relativistic coupled-cluster method is applied to calculate the magnetic dipole hyperfine constant “A” of the 6s1/2, 6p1/2, 6p3/2, and 5d3/2 states of singly ionized barium. After the inclusion of two-body correlation effects into the computation of the hyperfine matrix elements, the accuracy of the obtained values was significantly increased compared to earlier computations. Based on these numbers and earlier calculations of the electric dipole transitions and excitation energies, an estimate for the accuracy of the |[5p6]6s1/2>→|[5p6]5d3/2> parity-nonconserving electric dipole transition amplitude is carried out. The results suggest that for the first time, to our knowledge, a precision of better than 1% is feasible for this transition amplitude.
ISSN: 1050 - 2947
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Appears in Collections:IIAP Publications

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