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Investigation of High-spin States in 53Fe

du Rietz, Rickard LU ; Williams, SJ; Rudolph, Dirk LU ; Ekman, Jörgen LU ; Fahlander, Claes LU ; Andreoiu, Corina LU ; Axiotis, M; Bentley, MA; Carpenter, MP and Chandler, C, et al. (2005) In Physical Review C (Nuclear Physics) 72(1).
Abstract
The fusion-evaporation reactions Si-28(S-32,1 alpha 2p1n)Fe-53 at 125 MeV and Mg-24(S-32,2p1n)Fe-53 at a 95-MeV beam energy were used to investigate excited states in Fe-53. The combination of the Gammasphere Ge detector array and ancillary devices led to the construction of an extensive level scheme comprising some 90 transitions connecting 40 states. The lifetime of the yrast 25/2(-) state and upper limits for the lifetimes of a number of additional states were determined using the Cologne plunger device coupled to the GASP gamma-ray spectrometer. The experimental results are compared to large-scale shell-model calculations using different sets of two-body matrix elements. In particular, predictions on electromagnetic decay properties... (More)
The fusion-evaporation reactions Si-28(S-32,1 alpha 2p1n)Fe-53 at 125 MeV and Mg-24(S-32,2p1n)Fe-53 at a 95-MeV beam energy were used to investigate excited states in Fe-53. The combination of the Gammasphere Ge detector array and ancillary devices led to the construction of an extensive level scheme comprising some 90 transitions connecting 40 states. The lifetime of the yrast 25/2(-) state and upper limits for the lifetimes of a number of additional states were determined using the Cologne plunger device coupled to the GASP gamma-ray spectrometer. The experimental results are compared to large-scale shell-model calculations using different sets of two-body matrix elements. In particular, predictions on electromagnetic decay properties such as lifetimes, branching ratios, and mixing ratios are studied in detail. (Less)
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publication status
published
subject
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Physical Review C (Nuclear Physics)
volume
72
issue
1
publisher
American Physical Society
external identifiers
  • wos:000230889300024
  • scopus:26944434842
ISSN
0556-2813
DOI
10.1103/PhysRevC.72.014307
language
English
LU publication?
yes
id
7884cb6b-4863-4750-9538-222ac3e79159 (old id 230993)
date added to LUP
2007-08-16 08:57:35
date last changed
2017-01-01 07:23:28
@article{7884cb6b-4863-4750-9538-222ac3e79159,
  abstract     = {The fusion-evaporation reactions Si-28(S-32,1 alpha 2p1n)Fe-53 at 125 MeV and Mg-24(S-32,2p1n)Fe-53 at a 95-MeV beam energy were used to investigate excited states in Fe-53. The combination of the Gammasphere Ge detector array and ancillary devices led to the construction of an extensive level scheme comprising some 90 transitions connecting 40 states. The lifetime of the yrast 25/2(-) state and upper limits for the lifetimes of a number of additional states were determined using the Cologne plunger device coupled to the GASP gamma-ray spectrometer. The experimental results are compared to large-scale shell-model calculations using different sets of two-body matrix elements. In particular, predictions on electromagnetic decay properties such as lifetimes, branching ratios, and mixing ratios are studied in detail.},
  articleno    = {014307},
  author       = {du Rietz, Rickard and Williams, SJ and Rudolph, Dirk and Ekman, Jörgen and Fahlander, Claes and Andreoiu, Corina and Axiotis, M and Bentley, MA and Carpenter, MP and Chandler, C and Charity, RJ and Clark, RM and Cromaz, M and Dewald, A and de Angelis, G and Della Vedova, F and Fallon, P and Gadea, A and Hammond, G and Ideguchi, E and Lenzi, SM and Macchiavelli, AO and Marginean, N and Mineva, Milena and Moller, O and Napoli, DR and Nespolo, M and Reviol, W and Rusu, C and Saha, B and Sarantites, DG and Seweryniak, D and Tonev, D and Ur, CA},
  issn         = {0556-2813},
  language     = {eng},
  number       = {1},
  publisher    = {American Physical Society},
  series       = {Physical Review C (Nuclear Physics)},
  title        = {Investigation of High-spin States in 53Fe},
  url          = {http://dx.doi.org/10.1103/PhysRevC.72.014307},
  volume       = {72},
  year         = {2005},
}