Abstract
Penning traps are used to perform very precise mass measurements on exotic and stable nuclei covering a variety of topics. In order to reach the highest accuracy, only one ion must be stored and measured in the trap. The mass is determined from the oscillation frequencies, by detecting the current the stored ion induces on the trap electrodes. This is a well-known technique demonstrated for ions with low or medium mass-to-charge ratios. Another technique recently proposed, and referred to as Quantum Sensor, aims at extending the applicability of single-ion Penning-trap measurements through the full atomic mass scale. The technique substitutes the electronic detection by the detection of fluorescence photons from a laser-cooled ion stored in a second Penning trap, thereafter this ion interacts with the ion of interest. The new device is under completion at the University of Granada (Spain) within the project TRAPSENSOR. This paper will present the status of this project.
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