The WITCH experiment: Acquiring the first recoil ion spectrum

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dc.creatorKozlov, V. Yu.
dc.creatorBeck, M.
dc.creatorCoeck, S.
dc.creatorDelahaye, P.
dc.creatorFriedag, P.
dc.creatorHerbane, M.
dc.creatorHerlert, A.
dc.creatorKraev, I. S.
dc.creatorTandecki, M.
dc.creatorVan Gorp, S.
dc.creatorWauters, F.
dc.creatorWeinheimer, Ch.
dc.creatorWenander, F.
dc.creatorZakoucky, D.
dc.creatorSeverijns, N.
dc.date2008-07-22
dc.date.accessioned2026-07-07T09:52:04Z
dc.date.available2026-07-07T09:52:04Z
dc.descriptionThe standard model of the electroweak interaction describes beta-decay in the well-known V-A form. Nevertheless, the most general Hamiltonian of a beta-decay includes also other possible interaction types, e.g. scalar (S) and tensor (T) contributions, which are not fully ruled out yet experimentally. The WITCH experiment aims to study a possible admixture of these exotic interaction types in nuclear beta-decay by a precise measurement of the shape of the recoil ion energy spectrum. The experimental set-up couples a double Penning trap system and a retardation spectrometer. The set-up is installed in ISOLDE/CERN and was recently shown to be fully operational. The current status of the experiment is presented together with the data acquired during the 2006 campaign, showing the first recoil ion energy spectrum obtained. The data taking procedure and corresponding data acquisition system are described in more detail. Several further technical improvements are briefly reviewed.
dc.description11 pages, 6 figures, conference proceedings EMIS 2007 (http://emis2007.ganil.fr), published also in NIM B: doi:10.1016/j.nimb.2008.05.150
dc.identifierhttps://arxiv.org/abs/0807.3421
dc.identifierhttp://arxiv.org/abs/0807.3421
dc.identifierdoi:10.1016/j.nimb.2008.05.150
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/165461
dc.subjectNuclear Experiment
dc.titleThe WITCH experiment: Acquiring the first recoil ion spectrum
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