EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||20 March 2014|
First observation of an isomeric state in proton drip-line nucleus 26P
1 1Department of Physics, Tokyo University of Science, Noda 278-8510, Japan
2 Department of Physics, Osaka University, Toyonaka 560-0043, Japan
3 Department of Physics, Niigata University, Niigata 950-2102, Japan
4 National Institute of Radiological Sciences, Chiba 263-8555, Japan
5 Department of Physics, Saitama University, Saitama 338-3570, Japan
6 RI center, Niigata University, Niigata 951-8510, Japan
7 Gesellschaft für Schwerionenforschung GSI, 64291 Darmstadt Germany
a e-mail: firstname.lastname@example.org
Published online: 20 March 2014
An isomeric state in the proton drip-line nucleus 26P has been observed by the γ-ray spectroscopy. The γ-ray energy and the half-life are 164.4 ± 0.1 keV and 120 ± 9 ns, respectively. For the isomeric transition of the mirror nucleus 26Na, the γ-ray energy of 82.40 ± 0.04 keV and the half-life of 4.35 ± 0.16 μs are also revised. Comparing the experimental reduced transition probabilities of 26Na and 26P with theoretical ones calculated by the shell model with the USDA interaction, the spin-parity (Jπ) of the isomeric state in 26P is most likely to be 1+.
© Owned by the authors, published by EDP Sciences, 2014
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