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Isospin Symmetry and Proton Decay: Identification of the 10+ Isomer in 54Ni

Rudolph, Dirk LU ; Hoischen, Robert LU ; Hellström, Margareta LU ; Pietri, S.; Podolyák, Zs.; Regan, P. H.; Garnsworthy, A. B.; Steer, S. J.; Becker, F. and Bednarczyk, P., et al. (2008) In Physical Review C (Nuclear Physics) 78(2).
Abstract
The gamma decays from an isomeric 10+ state at 6457 keV in the nucleus 54Ni 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 54Fe. 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 53Co. This decay is the first of its kind observed following projectile fragmentation reactions.
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publication status
published
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Physical Review C (Nuclear Physics)
volume
78
issue
2
publisher
American Physical Society
external identifiers
  • wos:000259368700002
  • scopus:49549095350
ISSN
0556-2813
DOI
10.1103/PhysRevC.78.021301
language
English
LU publication?
yes
id
e1647bcf-2747-42c5-8d15-a84d767a4060 (old id 1287150)
date added to LUP
2009-01-28 09:54:03
date last changed
2017-07-09 03:53:45
@article{e1647bcf-2747-42c5-8d15-a84d767a4060,
  abstract     = {The gamma decays from an isomeric 10+ state at 6457 keV in the nucleus 54Ni 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 54Fe. 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 53Co. This decay is the first of its kind observed following projectile fragmentation reactions.},
  articleno    = {021301(R)},
  author       = {Rudolph, Dirk and Hoischen, Robert and Hellström, Margareta and Pietri, S. and Podolyák, Zs. and Regan, P. H. and Garnsworthy, A. B. and Steer, S. J. and Becker, F. and Bednarczyk, P. and Caceres, L. and Doornenbal, P. and Gerl, J. and Górska, M. and Grebosz, J. and Kojouharov, I. and Kurz, N. and Prokopowicz, W. and Schaffner, H. and Wollersheim, H. J. and Andersson, Lise-Lotte and Atanasova, L. and Balabanski, D. L. and Bentley, M. A. and Blazhev, A. and Brandau, C. and Brown, J. R. and Fahlander, Claes and Johansson, Emma and Jungclaus, A. and Lenzi, S. M.},
  issn         = {0556-2813},
  language     = {eng},
  number       = {2},
  publisher    = {American Physical Society},
  series       = {Physical Review C (Nuclear Physics)},
  title        = {Isospin Symmetry and Proton Decay: Identification of the 10+ Isomer in 54Ni},
  url          = {http://dx.doi.org/10.1103/PhysRevC.78.021301},
  volume       = {78},
  year         = {2008},
}