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- Title
Nuclear quadrupole moments of 5/2<sup>-</sup> and 9/2<sup>-</sup> states in <sup>169</sup>Ta.
- Authors
Kumar, Vivek; Thakur, P.; Bhati, A. K.; Singh, R. P.; Bhowmik, R. K.
- Abstract
The nuclear spectroscopic quadrupole moments for the π h 9/25/2-, 1/2-[541] and the π h 11/29/2-, 9/2-[514] isomeric states in 169Ta have been measured employing the time differential perturbed angular-distribution technique following the nuclear reaction 159Tb(16O, 6nγ)169Ta at beam energy 104 MeV. The ratio of the intrinsic quadrupole moments $Q_{0}(K^{\ensuremath{\pi}} = 5/2^{-})/Q_{0}(K^{\ensuremath{\pi}} = 9/2^{-})$ has been derived as 1.87(13) from the measured quadrupole precession frequencies of the corresponding states. The model-independent analysis of the equilibrium deformation indicates strong prolate- and oblate-driving nature of the 1/2-[541] and 9/2-[514] orbitals in 169,171Ta isotopes, respectively.
- Subjects
NUCLEAR physics; COLLISIONS (Nuclear physics); NUCLEAR moments; ANGULAR distribution (Nuclear physics); NUCLEAR cross sections; QUADRUPOLE moments; ISOTOPES; NUCLEAR shapes
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2005, Vol 26, Issue 3, p311
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/i2005-10182-3