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Phys. Rev. C 76, 047308 (2007) [4 pages]

g factor of the 21+ state of 170Hf

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A. Wolf1,2, Z. Berant1,2, A. Heinz2, V. Werner2, E. A. McCutchan2, G. Gürdal2,3, R. B. Cakirli2,4, Y. Oktem2,4, J. Ai2, L. Amon2,4, C. W. Beausang5, D. S. Brenner3, R. F. Casten2, R. J. Casperson2, K. Dusling6, C. R. Fitzpatrick2,7, A. B. Gransworthy2,7, N. Pietralla6,8, J. Qian2, P. H. Regan7, N. J. Thompson2,7, E. Williams2, and R. Winkler2
1Nuclear Research Center Negev, Beer-Sheva 84190, Israel
2Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520, USA
3Chemistry Department, Clark University, Worcester, Massachusetts 01610, USA
4Department of Physics, University of Istanbul, Istanbul, Turkey
5University of Richmond, Richmond, Virginia 23173, USA
6Department of Physics and Astronomy, State University of New York at Stony Brook, Stony Brook, New York 11794, USA
7Department of Physics, University of Surrey, Guilford GU2 7XH, United Kingdom,
8Institut für Kernphysik, Technische Universität Darmstadt, D-64289 Darmstadt, Germany

Received 21 August 2007; published 29 October 2007

The g factor of the 21+ state of 170Hf was measured by perturbed γ-γ angular correlation in a static external magnetic field. The result, g(21+)=0.28(5), extends the systematics of g factors of even-even Hf isotopes to N=98 and enables a better test of theoretical models. The g(21+) experimental values of these isotopes exhibit a remarkable constancy as a function of neutron number. This phenomenon, which was also observed for other isotopic chains in the Gd–W range, is explained in terms of a recently proposed empirical model.

© 2007 The American Physical Society

URL:
http://link.aps.org/doi/10.1103/PhysRevC.76.047308
DOI:
10.1103/PhysRevC.76.047308
PACS:
21.10.Ky, 21.60.Cs, 21.60.Ev