The LPCTrap facility: A novel transparent Paul trap for high-precision experiments

Abstract : A trap system has been built to perform high-precision β-decay experiments. The system is coupled to the low-energy beam line of the SPIRAL source at GANIL. The continuous ion beam from SPIRAL with energies between 10 and 20 keV is slowed down by means of a buffer-gas-filled RFQ trap and ejected thereafter as short ion bunches into a novel transparent Paul trap. Two pulsed cavities located downstream from the RFQ reduce the energy of the ion bunch down to about a hundred eV for an efficient capture in the Paul trap. We describe here the complete system along with the first results obtained with stable $^{4}$He^+$, $^{35}$Cl^+$ and $^{36,40}$Ar^+$ ions from the SPIRAL ECR source. An overall efficiency of 8.7(8)×10-4 is achieved for $^{4}$He^+$ ions under specific conditions.
keyword : Paul trap
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http://hal.in2p3.fr/in2p3-00091845
Contributeur : Michel Lion <>
Soumis le : jeudi 7 septembre 2006 - 14:04:52
Dernière modification le : mardi 19 février 2019 - 11:10:03

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D. Rodríguez, A. Méry, G. Ban, J. Brégeault, G. Darius, et al.. The LPCTrap facility: A novel transparent Paul trap for high-precision experiments. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2006, 565, pp.876-889. ⟨10.1016/j.nima.2006.05.165⟩. ⟨in2p3-00091845⟩

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