g-factor of the 9/2+isomeric state in $^{65} $Ni from transfer reaction
Résumé
We report a measurement of the g-factor of the I π = 9/2+, t 1/2 = 22ns isomer in 65Ni. The state of interest was populated and spin-oriented using a single-neutron transfer on an enriched 64Ni target. The value, which was obtained, g(9/2+,65m Ni) = - 0.296(3) is well in agreement with the g-factors of the other 9/2+ states in the region and with large-basis shell model calculations. The known g-factor of the 9/2+ isomer in 63Ni was used in order to verify the strength of the hyperfine field of Ni( $\underline{\rm {Ni}}$) at room temperature.
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