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Isospin symmetry and proton decay: Identification of the 10(+) isomer in (54)Ni

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), ARTN 0. ? - ?.

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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
Divisions : Faculty of Engineering and Physical Sciences > Physics
Authors :
AuthorsEmailORCID
Rudolph, DUNSPECIFIEDUNSPECIFIED
Hoischen, RUNSPECIFIEDUNSPECIFIED
Hellstrom, MUNSPECIFIEDUNSPECIFIED
Pietri, SUNSPECIFIEDUNSPECIFIED
Podolyak, ZUNSPECIFIEDUNSPECIFIED
Regan, PHUNSPECIFIEDUNSPECIFIED
Garnsworthy, ABUNSPECIFIEDUNSPECIFIED
Steer, SJUNSPECIFIEDUNSPECIFIED
Becker, FUNSPECIFIEDUNSPECIFIED
Bednarczyk, PUNSPECIFIEDUNSPECIFIED
Caceres, LUNSPECIFIEDUNSPECIFIED
Doornenbal, PUNSPECIFIEDUNSPECIFIED
Gerl, JUNSPECIFIEDUNSPECIFIED
Gorska, MUNSPECIFIEDUNSPECIFIED
Grebosz, JUNSPECIFIEDUNSPECIFIED
Kojouharov, IUNSPECIFIEDUNSPECIFIED
Kurz, NUNSPECIFIEDUNSPECIFIED
Prokopowicz, WUNSPECIFIEDUNSPECIFIED
Schaffner, HUNSPECIFIEDUNSPECIFIED
Wollersheim, HJUNSPECIFIEDUNSPECIFIED
Andersson, L-LUNSPECIFIEDUNSPECIFIED
Atanasova, LUNSPECIFIEDUNSPECIFIED
Balabanski, DLUNSPECIFIEDUNSPECIFIED
Bentley, MAUNSPECIFIEDUNSPECIFIED
Blazhev, AUNSPECIFIEDUNSPECIFIED
Brandau, CUNSPECIFIEDUNSPECIFIED
Brown, JRUNSPECIFIEDUNSPECIFIED
Fahlander, CUNSPECIFIEDUNSPECIFIED
Johansson, EKUNSPECIFIEDUNSPECIFIED
Jungclaus, AUNSPECIFIEDUNSPECIFIED
Lenzi, SMUNSPECIFIEDUNSPECIFIED
Date : 1 August 2008
Identification Number : 10.1103/PhysRevC.78.021301
Uncontrolled Keywords : Science & Technology, Physical Sciences, Physics, Nuclear, Physics, SHELL-MODEL, (CO-53)M, STATE, GSI
Related URLs :
Depositing User : Mr Adam Field
Date Deposited : 27 May 2010 14:06
Last Modified : 23 Sep 2013 18:26
URI: http://epubs.surrey.ac.uk/id/eprint/134

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