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High-spin states and rotational coexistence in 25Mg

Headly, D. M. ; Sheline, R. K. ; Tabor, S. L. ; Huttmeier, U. J. ; Gross, C. J. ; Moore, E. F. ; Wildenthal, B. H. ; Weller, H. R. ; Whitton, R. M. and Ragnarsson, I. LU (1987) In Physics Letters B 198(4). p.433-437
Abstract

New high spin states in 25Mg have been located above the neutron threshold using the 12C(14N, pγ)25Mg reaction at E=23.5 MeV. The members of the ground state rotational band (Kπ= 5 2+ have been tentatively identified up to 15 2+. The yrast 15 2+ (not a member of the ground state band) and 17 2+ states have also been tentatively assigned. These results support the interpretation of the new 17 2+ state and the previously known yrast 13 2+ state as fully aligned prolate configurations, i.e., prolate particle-hole states with K=I and γ=-120°.

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author
; ; ; ; ; ; ; ; and
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physics Letters B
volume
198
issue
4
pages
5 pages
publisher
Elsevier
external identifiers
  • scopus:0003178696
ISSN
0370-2693
DOI
10.1016/0370-2693(87)90894-X
language
English
LU publication?
yes
id
5c4a2926-d38c-4557-bc3e-d778365f1f41
date added to LUP
2026-01-15 11:12:39
date last changed
2026-01-23 13:32:22
@article{5c4a2926-d38c-4557-bc3e-d778365f1f41,
  abstract     = {{<p>New high spin states in <sup>25</sup>Mg have been located above the neutron threshold using the <sup>12</sup>C(<sup>14</sup>N, pγ)<sup>25</sup>Mg reaction at E=23.5 MeV. The members of the ground state rotational band (K<sup>π</sup>= 5 2<sup>+</sup> have been tentatively identified up to 15 2<sup>+</sup>. The yrast 15 2<sup>+</sup> (not a member of the ground state band) and 17 2<sup>+</sup> states have also been tentatively assigned. These results support the interpretation of the new 17 2<sup>+</sup> state and the previously known yrast 13 2<sup>+</sup> state as fully aligned prolate configurations, i.e., prolate particle-hole states with K=I and γ=-120°.</p>}},
  author       = {{Headly, D. M. and Sheline, R. K. and Tabor, S. L. and Huttmeier, U. J. and Gross, C. J. and Moore, E. F. and Wildenthal, B. H. and Weller, H. R. and Whitton, R. M. and Ragnarsson, I.}},
  issn         = {{0370-2693}},
  language     = {{eng}},
  month        = {{12}},
  number       = {{4}},
  pages        = {{433--437}},
  publisher    = {{Elsevier}},
  series       = {{Physics Letters B}},
  title        = {{High-spin states and rotational coexistence in <sup>25</sup>Mg}},
  url          = {{http://dx.doi.org/10.1016/0370-2693(87)90894-X}},
  doi          = {{10.1016/0370-2693(87)90894-X}},
  volume       = {{198}},
  year         = {{1987}},
}