The 3701 keV neutron g 9/2 single-particle state in 57Ni |
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Authors: | D. Rudolph D. Weisshaar F. Cristancho J. Eberth C. Fahlander O. Iordanov S. Skoda Ch. Teich O. Thelen H.G. Thomas |
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Affiliation: | Department of Physics, Lund University, 22100 Lund, Sweden, SE Institut für Kernphysik, Universit?t zu K?ln, 50937 K?ln, Germany, DE II. Physikalisches Institut, Universit?t G?ttingen, 37073 G?ttingen, Germany, DE
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Abstract: | The neutron g 9/2 single-particle state in 57Ni has been unambiguously identified in a combined measurement of the linear polarization, angular distribution, and angular correlation of γ rays following the fusion-evaporation reaction 28Si(32S,2pn)57Ni at a beam energy of 90 MeV. The linear polarization was measured with a Euroball cluster detector and a prototype of an encapsulated six-fold segmented hexaconical Ge-detector. The spin of the 3701 keV level in 57Ni was confirmed to be I= 9/2 and its parity determined to be positive. Received: 24 September 1999 / Revised version: 22 October 1999 |
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Keywords: | PACS:21.10.Hw Spin, parity, and isobaric spin – 21.60.Cs Shell model – 23.20.En Angular distributions and correlation measurement – 27.40.+z 39 ≤ A ≤ 58 |
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