Peter Schury edited untitled.tex  over 8 years ago

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In preliminary work towards No and Lr mass measurements (NP1306-LINAC07) we made precision mass measurements of $^{205,206}$Fr and $^{201}$At and rough mass measurements of $^{201}$Bi, $^{201, 205}$Po, $^{205, 206}$At and $^{205, 206}$Rn \cite{Schury_2015}. These measurements were achieved with only 6 hours of machine time, during which the system efficiency was $\approx$0.05\%. $\approx$0.5\% for $^{205}$Fr.   As shown in Fig.~\ref{figIsobars}, we have demonstrated an ability to measure multiple isobaric chains simultaneously. This will enable a very efficient survey of the general mass landscape in this region. Here we propose a separate and independent experiment to study this region in detail.