Elsevier

Nuclear Physics A

Volume 399, Issue 1, 9 May 1983, Pages 163-180
Nuclear Physics A

Decay studies of neutron-rich products from 76Ge induced multinucleon transfer reactions including the new isotopes 62Mn, 63Fe and 71, 72, 73Cu

https://doi.org/10.1016/0375-9474(83)90600-0Get rights and content

Abstract

By irradiating a natW target with 9 MeV/u 76Ge ions, neutron-rich isotopes in the chromiumgermanium region were produced. On-line mass-separated samples were investigated. The new isotopes 62Mn, 71Cu, 72Cu and 73Cu were identified and their half-lives measured to be 0.88(15), 19.5(16), 6.6(1) and 3.9(3) s, respectively. The half-life of 63Fe, a nucleus which has previously been detected using particle-identification techniques, was measured to be 4.9(5) s. Decay schemes were derived in most cases. Additional spectroscopic information was obtained on the decays of 73Zn and 74Zn. We give evidence that the earlier reported γ-ray activity attributed to 67Ni belongs to the decay of the 70Cu isomers. At A = 67 we observed a new β-ray activity of 21(1) s half-life which is here assigned to the decay of 67Ni.

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    On leave of absence from Institute of Experimental Physics, Warsaw University, 00-681 Warsaw, Poland.

    ††

    Partially supported by Polish Ministry of Science, High Education and Technics under the contract MR.I.5.13.01.

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