In-beam γ-ray spectroscopy aboveSn100using the new technique of recoil decay tagging
Citations Over TimeTop 10% of 1995 papers
Abstract
A novel method of selecting \ensuremath{\gamma}-ray transitions in heavy nuclei (A>100) at the proton drip-line has been attempted. The characteristic charged-particle radioactivity of these nuclei (alpha decay, ground-state proton decay, and \ensuremath{\beta}-delayed proton emission) has been used to tag \ensuremath{\gamma}-ray transitions recorded by the highly efficient Eurogam spectrometer. The $^{58}\mathrm{Ni}$${+}^{54}$Fe and $^{58}\mathrm{Ni}$${+}^{58}$Ni fusion-evaporation reactions, at a beam energy of 240 MeV, have been used to populate specific states of these neutron-deficient nuclei and results are presented for $^{108,109}\mathrm{Te}$, $^{109}\mathrm{I}$, and $^{113}\mathrm{Xe}$, where \ensuremath{\gamma}-ray transitions have been identified. In the case of $^{109}\mathrm{I}$, this represents the first observation of \ensuremath{\gamma}-rays from a ground-state proton emitter.
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