# The LPCTrap for the measurement of the $\beta$-v correlation in $^{6}$He

Abstract : The application of traps to precision measurements of the $\beta$-ν angular correlation coefficient a in nuclear $\beta$-decay is pursued by several laboratories world wide. Various nuclear transitions are addressed and different trap devices are used. At GANIL, a novel transparent Paul trap (LPCTrap) has been built downstream from the SPIRAL source to determine a in the pure Gamow-Teller decay of $^{6}$He. This transition is driven by the axial-vector interaction. The forbidden tensor interaction may be observed through a precise measurement of a. The LPCTrap consists of an RFQ-Buncher, a transparent Paul trap, and the detection system. It is currently the only facility that uses a Paul trap with a novel geometry to perform high-precision nuclear physics experiments. All the elements have been tested and meet the requirements. In this contribution we give a short status report of the project underlining the highlights achieved so far.
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Conference papers
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http://hal.in2p3.fr/in2p3-00025023
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Submitted on : Tuesday, November 8, 2005 - 3:03:44 PM
Last modification on : Tuesday, February 19, 2019 - 11:10:03 AM

### Citation

D. Rodriguez, A. Méry, G. Darius, M. Herbane, G. Ban, et al.. The LPCTrap for the measurement of the $\beta$-v correlation in $^{6}$He. ENAM2004, Sep 2004, Pine Mountain, United States. pp.705-707, ⟨10.1140/epjad/i2005-06-163-4⟩. ⟨in2p3-00025023⟩

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