Probing single-particle structures beyond the proton drip line
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Date
2007
Journal Title
Journal ISSN
Volume Title
Publisher
AMER INST PHYSICS
Access Rights
info:eu-repo/semantics/closedAccess
Abstract
Single-particle energies have been investigated in the closed neutron shell proton emitter Ta-155. The Ta-155 nuclei were populated through the alpha decay of Re-159, which has been observed for the first time. The (159)Rc nuclei were produced in reactions of 300 MeV Ni-58 ions with an isotopically enriched Cd-106 target, separated in-flight using the RITU separator and implanted into the GREAT spectrometer. The Re-159 a decay emanates from the proton-emitting pi h(11/2) state and populates a state in Ta-155 which decays by the emission of a proton from a pi h(11/2) orbital. The results fit in with the systematics of proton and alpha-particle separation energies in the region, but disagree with the previously reported decay properties of Ta-155.
Description
International Conference on Proton Emitting Nuclei and Related Topics -- JUN 17-23, 2007 -- Lisbon, PORTUGAL
Keywords
RADIOACTIVITY Re-159(alpha)[from Cd-106(Ni-58,p4n)], Ta-155(p)[from Re-159 a decay], measured E-alpha, E-p, T-1/2, branching ratio. Re-159, Ta-155 deduced levels, J, pi configurations, comparisons with neighbouring nuclides, previous Ta-155 study
Journal or Series
PROTON EMITTING NUCLEI AND RELATED TOPICS
WoS Q Value
N/A
Scopus Q Value
N/A
Volume
961
