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First evidence for smooth band termination in valence space in the mass 130 region : Spectroscopy of 127La

Parry, C. M. ; Wadsworth, R. ; Wilson, A. N. ; Boston, A. J. ; Nolan, P. J. ; Paul, E. S. ; Sampson, J. A. ; Semple, A. T. ; Foin, C. and Genevey, J. , et al. (2000) In Physical Review C - Nuclear Physics 61(2). p.213031-213035
Abstract

High spin states in 127La have been studied using the 32S(100Mo,p4n) reaction at a beam energy of 155 MeV. Gamma rays were detected using the EUROBALL III spectrometer. One of the side bands in 127La is observed to be populated to a spin of 83/2+. These data are compared with cranked Nilsson-Strutinski calculations which suggest that the structure is a smoothly terminating band, in valence space, based upon a π[(g7/2d5/2)5(h11/2)2]⊗ ν[(g7/2d5/2)12(h11/2)6(d3/2s1/2)2] configuration, which can carry a maximum spin of 47.5ℏ. This is the first... (More)

High spin states in 127La have been studied using the 32S(100Mo,p4n) reaction at a beam energy of 155 MeV. Gamma rays were detected using the EUROBALL III spectrometer. One of the side bands in 127La is observed to be populated to a spin of 83/2+. These data are compared with cranked Nilsson-Strutinski calculations which suggest that the structure is a smoothly terminating band, in valence space, based upon a π[(g7/2d5/2)5(h11/2)2]⊗ ν[(g7/2d5/2)12(h11/2)6(d3/2s1/2)2] configuration, which can carry a maximum spin of 47.5ℏ. This is the first identification of such a structure in this mass region.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C - Nuclear Physics
volume
61
issue
2
article number
021303
pages
5 pages
publisher
American Physical Society
external identifiers
  • scopus:12944295297
ISSN
0556-2813
language
English
LU publication?
yes
id
390f6c71-1e17-4d24-b249-59bbdb1f984f
date added to LUP
2024-01-19 13:42:54
date last changed
2024-01-19 13:43:58
@article{390f6c71-1e17-4d24-b249-59bbdb1f984f,
  abstract     = {{<p>High spin states in <sup>127</sup>La have been studied using the <sup>32</sup>S(<sup>100</sup>Mo,p4n) reaction at a beam energy of 155 MeV. Gamma rays were detected using the EUROBALL III spectrometer. One of the side bands in <sup>127</sup>La is observed to be populated to a spin of 83/2<sup>+</sup>. These data are compared with cranked Nilsson-Strutinski calculations which suggest that the structure is a smoothly terminating band, in valence space, based upon a π[(g<sub>7/2</sub>d<sub>5/2</sub>)<sup>5</sup>(h<sub>11/2</sub>)<sup>2</sup>]⊗ ν[(g<sub>7/2</sub>d<sub>5/2</sub>)<sup>12</sup>(h<sub>11/2</sub>)<sup>6</sup>(d<sub>3/2</sub>s<sub>1/2</sub>)<sup>2</sup>] configuration, which can carry a maximum spin of 47.5ℏ. This is the first identification of such a structure in this mass region.</p>}},
  author       = {{Parry, C. M. and Wadsworth, R. and Wilson, A. N. and Boston, A. J. and Nolan, P. J. and Paul, E. S. and Sampson, J. A. and Semple, A. T. and Foin, C. and Genevey, J. and Gizon, A. and Gizon, J. and Ragnarsson, I. and Dong, B. G.}},
  issn         = {{0556-2813}},
  language     = {{eng}},
  number       = {{2}},
  pages        = {{213031--213035}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C - Nuclear Physics}},
  title        = {{First evidence for smooth band termination in valence space in the mass 130 region : Spectroscopy of <sup>127</sup>La}},
  volume       = {{61}},
  year         = {{2000}},
}