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Upgrade of the SPIRAL identification station for high-precision measurements of nuclear β decay

Abstract : The low-energy identification station at SPIRAL (Système de Production d'Ions Radioactifs Accélérés en Ligne) has been upgraded for studying the β decays of short-lived radioactive isotopes and to perform high-precision half-life and branching-ratio measurements for superallowed Fermi and isospin T=1/2 mirror β decays. These new capabilities, combined with an existing Paul trap setup for measurements of β-ν angular-correlation coefficients, provide a powerful facility for investigating fundamental properties of the electroweak interaction through nuclear β decays. A detailed description of the design study, construction, and first results obtained from an in-beam commissioning experiment on the β+ decays 14 O and 17F is presented.
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http://hal.in2p3.fr/in2p3-00924885
Contributor : Michel Lion <>
Submitted on : Tuesday, January 7, 2014 - 11:42:01 AM
Last modification on : Tuesday, November 24, 2020 - 11:30:20 AM

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G.F. Grinyer, J.C. Thomas, Bertram Blank, H. Bouzomita, R.A.E. Austin, et al.. Upgrade of the SPIRAL identification station for high-precision measurements of nuclear β decay. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, Elsevier, 2014, 741, pp.18-25. ⟨10.1016/j.nima.2013.11.106⟩. ⟨in2p3-00924885⟩

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