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Characterization of the low-lying 0(+) and 2(+) states in Ni-68 via beta decay of the low-spin Co-68 isomer

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2015-03-09
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Flavigny, F.
Pauwels, D.
Radulov, D.
Darby, I. J.
Witte, H. de
Diriken, J.
Fedorov, D. V.
Fedosseev, V. N.
Huyse, M.
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Amer Physical Soc
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Abstract
The low-energy structure of the neutron-rich nucleus Ni-68 has been investigated by measuring the beta decay of the low-spin isomer in Co-68 selectively produced in the decay chain of Mn-68. A revised level scheme has been built based on the clear identification of beta-gamma-E0 delayed coincidences. Transitions between the three lowest-lying 0(+) and 2(+) states are discussed on the basis of measured intensities or their upper limits for unobserved branches and state-of-the-art shell model calculations.
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© Amer Physical Soc 2015. Firmado por 26 autores. This work has been funded by FWO-Vlaanderen (Belgium), by GOA/2010/010 (BOF KU Leuven), by the Interuniversity Attraction Poles Programme initiated by the Belgian Science Policy Office (BriX network P7/12), by the European Commission within the Seventh Framework Programme through I3-ENSAR (Contract No. RII3-CT-2010-262010). This material is based upon work supported by the U.S. Department of Energy, Office of Science, Office of Nuclear Physics under Award No. DE-FG02-94-ER40834, by Spanish MINECO via Project No. FPA2010-17142, by the Slovak grant agency VEGA (Contract No. 2/0121/14), and by the Slovak Research and Development Agency (Contract No. APVV-0177-11).
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