Paul trapping of radioactive 6He+ions and direct observation of their beta-decay

Details Paul trapping of radioactive 6He+ions and direct observation of their beta-decay Paul trapping of radioactive 6He+ions and direct observation of their beta-decay

2008-10-10

arxiv.org/abs/0810.1899v1

Phys.Rev.Lett.101:212504,2008

Physics

Nuclear Physics

Nuclear Experiment

4 pages, 4 figures, submitted to Phys.Rev.Lett

Scientific paper

10.1103/PhysRevLett.101.212504

We demonstrate that abundant quantities of short-lived beta unstable ions can be trapped in a novel transparent Paul trap and that their decay products can directly be detected in coincidence. Low energy 6He+ (807 ms half-life) ions were extracted from the SPIRAL source at GANIL, then decelerated, cooled and bunched by means of the buffer gas cooling technique. More than 10^8 ions have been stored over a measuring period of six days and about 10^5 decay coincidences between the beta particles and the 6Li^{++} recoiling ions have been recorded. The technique can be extended to other short-lived species, opening new possibilities for trap assisted decay experiments.

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