DPUNS—A Differential-Plunger For Lifetime Measurements Of Tagged Exotic∕Unbound Nuclear States

This contribution focused on research to measure the lifetimes of unbound nuclear states using a differential‐plunger technique combined with recoil‐proton decay tagging. The results of the first lifetime measurements of unbound states in the spherical proton emitter, 109I, were discussed along with the limits to the technique. In order to proceed further, a new differential‐plunger device, DPUNS, has been designed and is currently being built at the University of Manchester. DPUNS has been optimised to work with the GREAT/RITU/TDR setup at the University of Jyväskylä and the status of the new device is discussed.

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