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- Title
Multi-quasiparticle states in <sup>184</sup>W via multi-nucleon transfer.
- Authors
Wheldon, C.; Valiente-Dobón, J. J.; Regan, P. H.; Pearson, C. J.; Wu, C. Y.; Smith, J. F.; Macchiavelli, A. O.; Cline, D.; Chakrawarthy, R. S.; Chapman, R.; Cromaz, M.; Fallon, P.; Freeman, S. J.; Görgen, A.; Gelletly, W.; Hayes, A.; Hua, H.; Langdown, S. D.; Lee, I. Y.; Liang, X.
- Abstract
A multi-nucleon transfer reaction using an 850 MeV 136Xe beam incident on a 198Pt target was used to populate high-spin states in 184W, 14 nucleons from the target. A 4-quasiparticle isomer with t1/2 =188±38 ns has been observed for the first time and its de-excitation through collective and intrinsic structures studied. The results are compared with predictions of blocked BCS Nilsson calculations. Observation of this metastable state completes the tungsten 4-quasiparticle isomer systematics from A 176 to 186. Mapping out the most yrast 4-quasiparticle isomers in these even-even tungsten isotopes suggests the existence of a highly favoured state in 188W, within reach of current experimental set-ups.
- Subjects
PARTICLES (Nuclear physics); TUNGSTEN; ISOTOPES; NUCLEAR excitation; NUCLEAR isomers; QUASIPARTICLES
- Publication
European Physical Journal A -- Hadrons & Nuclei, 2004, Vol 20, Issue 3, p365
- ISSN
1434-6001
- Publication type
Article
- DOI
10.1140/epja/i2003-10189-8