Nuclear structure studies of neutron-rich Cu and Zn isotopes produced by means of proton-induced fission of 238U
TL;DRAbstract
The neutron‐rich nuclei 72Ni and 72Cu have been produced in the proton‐induced fission of 238U at the LISOL and ISOLDE facilities of Louvain‐La‐Neuve and CERN. Partial β‐decay schemes are presented, giving some information about the nuclear structure of their daughter nuclei 72Cu and 72Zn. The lifetime of 72Cu was determined to be T1/2 = 6.63(3) s, in line with previous measurements. No β‐decaying isomeric states were identified in 72Cu, in contrast to 70Cu. The spin and the parity of several states in 72Cu are tentatively assigned and a comparison is made with different shell‐model predictions.
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The neutron‐rich nuclei 72Ni and 72Cu have been produced in the proton‐induced fission of 238U at the LISOL and ISOLDE facilities of Louvain‐La‐Neuve and CERN. Partial β‐decay schemes are presented, giving some information about the nuclear structure of their daughter nuclei 72Cu and 72Zn. The lifetime of 72Cu was determined to be T1/2 = 6.63(3) s, in line with previous measurements. No β‐decaying isomeric states were identified in 72Cu, in contrast to 70Cu. The spin and the parity of several states in 72Cu are tentatively assigned and a comparison is made with different shell‐model predictions.
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