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Nuclear moments and charge radii of the 171Hf ground state and isomer

G Yeandle1, J Billowes1, P Campbell1, E C A Cochrane2,4, P Dendooven3, D E Evans2, J A R Griffith2, J Huikari3, A Jokinen3, I D Moore1, A Nieminen3, K Peräjärvi3, G Tungate2 and J Äystö3

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The magnetic moment, quadrupole moment and mean-square charge radial changes, relative to 172Hf, have been measured for the 171Hf ground state and the ½-[521] isomeric state, using on-line laser spectroscopy. The magnetic moments of the isomer and ground states are found to be + 0.526(16)µn and -0.674(12)µn, respectively. The spectroscopic quadrupole moment of the ground state is found to be +3.463(27) b. No change in mean-square charge radius is observed between the ground state and isomeric state. The observation of an inversion in the odd-even staggering at 171Hf is consistent with the suggested deformation trends.


PACS

21.10.Ky Electromagnetic moments

23.20.Lv gamma transitions and level energies

27.70.+q 150(less-than-or-equal-to)A(less-than-or-equal-to)189

Subjects

Nuclear physics

Dates

Issue 6 (June 2000)

Received 29 February 2000


A Corrigendum for this article has been published in 2000 J. Phys. G: Nucl. Part. Phys. 26 1299


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