Research output: Contribution to journal › Article › peer-review
Persistence of the Z = 28 Shell Gap Around 78Ni: First Spectroscopy of 79Cu
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Journal | Physical Review Letters |
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Date | Accepted/In press - 20 Sep 2017 |
Date | Published (current) - 6 Nov 2017 |
Issue number | 19 |
Volume | 119 |
Number of pages | 6 |
Original language | English |
In-beam γ-ray spectroscopy of Cu79 is performed at the Radioactive Isotope Beam Factory of RIKEN. The nucleus of interest is produced through proton knockout from a Zn80 beam at 270 MeV/nucleon. The level scheme up to 4.6 MeV is established for the first time and the results are compared to Monte Carlo shell-model calculations. We do not observe significant knockout feeding to the excited states below 2.2 MeV, which indicates that the Z=28 gap at N=50 remains large. The results show that the Cu79 nucleus can be described in terms of a valence proton outside a Ni78 core, implying the magic character of the latter.
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Research output: Contribution to journal › Article › peer-review
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