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Title: | Reliability test for the experimental results of electric-quadrupole hyperfine-structure constants and assessment of nuclear quadrupole moments in 135Ba and 137Ba |
Authors: | Sahoo, B. K Barrett, M. D Das, B. P |
Issue Date: | Apr-2013 |
Publisher: | American Physical Society |
Citation: | Physical Review A, Vol. 87, No. 4, 042506 |
Abstract: | We investigate electric quadrupole hyperfine-structure constant (B) results in 135Ba+ and 137Ba+ and compare their ratios with the reported measurements of the ratio between the nuclear quadrupole moment (Q) values of these isotopes. We carry out confidence tests for the reported experimental B values and calculations of B/Q from the present work. Inconsistencies in the experimental B values are observed in both the isotopes from different experiments performed using the same techniques. The present calculations are carried out using an all order relativistic many-body theory considering only single and double excitations in the coupled-cluster ansatz. After a detailed analysis of the results, the values of Q we obtain for 135Ba and 137Ba are 0.153(2)b and 0.236(3)b, respectively, which differ by about 4% from the currently referred precise values. |
URI: | http://hdl.handle.net/2248/6056 |
ISSN: | 1050-2947 |
Appears in Collections: | IIAP Publications |
Files in This Item:
File | Description | Size | Format | |
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Reliability test for the experimental results of electric-quadrupole.pdf | 128.9 kB | Adobe PDF | ![]() View/Open |
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