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Identification of sub- μ s isomeric states in the odd-odd nucleus Au 178

Gillespie, S. A. ; Stott, A. ; Andreyev, A. N. ; Cubiss, J. G. ; Al Monthery, M. ; Barton, C. J. ; Antalic, S. ; Auranen, K. ; Badran, H. and Cox, D. LU , et al. (2021) In Physical Review C 103(4).
Abstract

The neutron-deficient gold (Z=79) isotopes in the vicinity of the neutron midshell N=104 provide prolific examples of shape coexistence and isomerism at low excitation energy. They can be probed via a number of different experimental techniques. In this study, two new isomeric states with half-lives of 294(7) and 373(9) ns have been observed in the neutron-deficient odd-odd nuclide Au178 (N=99) in an experiment at the RITU gas-filled separator at JYFL, Jyväskylä. This result was achieved due to the use of a segmented planar germanium detector with a high efficiency at low energies. By applying the recoil-decay tagging technique, they were assigned to decay to two different long-lived α-decaying states in Au178.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C
volume
103
issue
4
article number
044307
publisher
American Physical Society
external identifiers
  • scopus:85104673256
ISSN
2469-9985
DOI
10.1103/PhysRevC.103.044307
language
English
LU publication?
yes
id
13c8157a-c6be-414f-a0a4-852777e9e75b
date added to LUP
2021-05-03 17:57:30
date last changed
2022-04-27 01:51:52
@article{13c8157a-c6be-414f-a0a4-852777e9e75b,
  abstract     = {{<p>The neutron-deficient gold (Z=79) isotopes in the vicinity of the neutron midshell N=104 provide prolific examples of shape coexistence and isomerism at low excitation energy. They can be probed via a number of different experimental techniques. In this study, two new isomeric states with half-lives of 294(7) and 373(9) ns have been observed in the neutron-deficient odd-odd nuclide Au178 (N=99) in an experiment at the RITU gas-filled separator at JYFL, Jyväskylä. This result was achieved due to the use of a segmented planar germanium detector with a high efficiency at low energies. By applying the recoil-decay tagging technique, they were assigned to decay to two different long-lived α-decaying states in Au178. </p>}},
  author       = {{Gillespie, S. A. and Stott, A. and Andreyev, A. N. and Cubiss, J. G. and Al Monthery, M. and Barton, C. J. and Antalic, S. and Auranen, K. and Badran, H. and Cox, D. and Grahn, T. and Greenlees, P. T. and Herzan, A. and Higgins, E. and Julin, R. and Juutinen, S. and Klimo, J. and Konki, J. and Leino, M. and Mallaburn, M. and Pakarinen, J. and Papadakis, P. and Partanen, J. and Prajapati, P. M. and Rahkila, P. and Sandzelius, M. and Scholey, C. and Sorri, J. and Stolze, S. and Urban, R. and Uusitalo, J. and Venhart, M. and Wearing, F.}},
  issn         = {{2469-9985}},
  language     = {{eng}},
  number       = {{4}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C}},
  title        = {{Identification of sub- μ s isomeric states in the odd-odd nucleus Au 178}},
  url          = {{http://dx.doi.org/10.1103/PhysRevC.103.044307}},
  doi          = {{10.1103/PhysRevC.103.044307}},
  volume       = {{103}},
  year         = {{2021}},
}