Isospin symmetry and proton decay: Identification of the 10(+) isomer in (54)Ni
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Rudolph, D, Hoischen, R, Hellstrom, M, Pietri, S, Podolyak, Z, Regan, PH, Garnsworthy, AB, Steer, SJ, Becker, F, Bednarczyk, P, Caceres, L, Doornenbal, P, Gerl, J, Gorska, M, Grebosz, J, Kojouharov, I, Kurz, N, Prokopowicz, W, Schaffner, H, Wollersheim, HJ, Andersson, L-L, Atanasova, L, Balabanski, DL, Bentley, MA, Blazhev, A, Brandau, C, Brown, JR, Fahlander, C, Johansson, EK, Jungclaus, A and Lenzi, SM (2008) Isospin symmetry and proton decay: Identification of the 10(+) isomer in (54)Ni PHYSICAL REVIEW C, 78 (2). ? - ?. ISSN 0556-2813
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Abstract
The gamma decays from an isomeric 10(+) state at 6457 keV in the nucleus Ni-54(28)26 have been identified using the GSI fragment separator in conjunction with the RISING Ge-detector array. The state is interpreted as the isobaric analog of the 6527-keV 10(+) isomer in Fe-54(26)28.The results are discussed in terms of isospin-dependent shell-model calculations. Clear evidence is presented for a discrete l = 5 proton decay branch into the first excited 9/2(-) state of the daughter Co-53. This decay is the first of its kind observed following projectile fragmentation reactions.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | Science & Technology, Physical Sciences, Physics, Nuclear, Physics, SHELL-MODEL, (CO-53)M, STATE, GSI |
| Divisions: | Faculty of Engineering and Physical Sciences > Physics |
| Related URLs: | |
| ID Code: | 134 |
| Deposited By: | Mr Adam Field |
| Deposited On: | 27 May 2010 15:06 |
| Last Modified: | 20 Sep 2012 14:28 |
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