Lifetime measurement of the 41+ state of Ni58 with the recoil distance method

C. Loelius et al.
Phys. Rev. C 94, 024340 – Published 29 August 2016

Abstract

The quadrupole transition rate for the 41+21+ transition of Ni58 was determined from an application of the recoil distance method with the Gamma-Ray Energy Tracking In-beam Nuclear Array (GRETINA). The present result of the B(E2;41+21+) was found to be 506+11e2fm4, which is about three times smaller than the literature value, indicating substantially less collectivity than previously believed. Shell model calculations performed with the GXPF1A effective interaction agree with the present data and the validity of the standard effective charges in understanding collectivity in the nickel isotopes is discussed.

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  • Received 26 May 2016

DOI:https://doi.org/10.1103/PhysRevC.94.024340

©2016 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

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Vol. 94, Iss. 2 — August 2016

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