Identification and decay of the 0.48 ms 13/2{sup +} isomer in {sup 181}Hg
Journal Article
·
· Physical Review. C, Nuclear Physics
- School of Engineering and Science, University of the West of Scotland, Paisley PA1 2BE (United Kingdom)
- Department of Nuclear Physics and Biophysics, Comenius University, Bratislava 84248 (Slovakia)
- GSI Helmholtzzentrum fuer Schwerionenforschung GmbH, D-64291 Darmstadt (Germany)
- Instituut voor Kern-en Stralingsfysica, K. U. Leuven, University of Leuven, B-3001 Leuven (Belgium)
- IPN Orsay, F-91406 Orsay Cedex (France)
A new isomer with a half-life of 0.48(2) ms was identified in the nuclide {sup 181}Hg, which was produced in the complete fusion reaction {sup 40}Ca+{sup 144}Sm{yields}{sup 184}Pb* at the velocity filter SHIP (GSI, Darmstadt). The isomeric state was tentatively assigned a spin-parity of 13/2{sup +}. We propose that this isomer de-excites by a yet unobserved low-energy, strongly converted {gamma}-ray transition, followed by a newly identified cascade composed of a 90.3 keV M1 and a 71.4 keV E2 {gamma}-ray transition.
- OSTI ID:
- 21293947
- Journal Information:
- Physical Review. C, Nuclear Physics, Journal Name: Physical Review. C, Nuclear Physics Journal Issue: 4 Vol. 80; ISSN 0556-2813; ISSN PRVCAN
- Country of Publication:
- United States
- Language:
- English
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