Alpha decay of the new isotope172Au |
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Authors: | P J Sellin P J Woods T Davinson N J Davis A N James K Livingston R D Page A C Shotter |
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Institution: | 1. Department of Physics, University of Edinburgh, EH9 3JZ, Edinburgh, UK 3. Oliver Lodge Laboratory, University of Liverpool, L69 3BX, Liverpool, UK
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Abstract: | The first observation of the extremely neutrondeficient nucleus172Au is reported, produced using the fusion evaporation reaction70Ge+106Cd→176Hg* (Ex?64 MeV). Mass separated evaporation residues were implanted into a double-sided silicon strip detector, and the energy and time of subsequent decay events were recorded. The alpha decay of172Au was measured with an energy =6860±10 KeV, corresponding to =7020±10 Kev, and a half-life of 4±1 ms. No evidence was seen for a proton decay branch, implying a limit ofb p ≤ 2 %. |
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