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Scalar current limit from the beta-neutrino correlation: the WISArD experiment

dc.contributor.authorARAUJO-ESCALONA, V.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorALFAURT, P.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorASCHER, P.
dc.contributor.authorATANASOV, D.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBLANK, B.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorDAUDIN, L.
hal.structure.identifierLaboratoire de physique corpusculaire de Caen [LPCC]
dc.contributor.authorFLÉCHARD, X.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGERBAUX, M.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGIOVINAZZO, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGRÉVY, S.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorKURTUKIAN NIETO, T.
hal.structure.identifierLaboratoire de physique corpusculaire de Caen [LPCC]
dc.contributor.authorLIÉNARD, E.
dc.contributor.authorNIES, L.
hal.structure.identifierLaboratoire de physique corpusculaire de Caen [LPCC]
dc.contributor.authorQUÉMÉNER, G.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorROCHE, M.
dc.contributor.authorSEVERIJNS, N.
dc.contributor.authorVANLANGENDONCK, S.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorVERSTEEGEN, M.
dc.contributor.authorWAGENKNECHT, P.
dc.contributor.authorZAKOUCKY, D.
dc.date.issued2019
dc.date.conference2019-01-07
dc.description.abstractEnBeta - neutrino correlation measurements are key in the research of physics beyond the Standard Model. In pure Fermi beta transitions, the beta-neutrino correlation coefficient, a βν, is sensitive to the presence of scalar currents. The present limits were established by experimental studies of various nuclear systems with allowed Fermi transitions. A new experiment to improve the constraints on scalar currents is being developed, by the WISArD collaboration at ISOLDE/CERN, where the aim is to measure the energy shift of the β-delayed protons emitted from the isobaric analogue state of the 32Ar ground state. To enhance the sensitivity, protons and positrons are guided by a strong magnetic field and measured in coincidence between the two detection configurations located on both sides of a catcher foil in which the radioactive samples are implanted. Kinematic energy shifts of the protons in coincidence with positrons, in the same or opposite hemisphere of the catcher foil, will be more or less pronounced as a function of the possible scalar current component of the weak interaction. Details of the apparatus and preliminary results of the experiment are presented.
dc.language.isoen
dc.source.titleJ.Phys.Conf.Ser.
dc.subject.ennucleus: semileptonic decay
dc.subject.enneutrino: interaction
dc.subject.encurrent: scalar
dc.subject.enmagnetic field: high
dc.subject.enradioactivity
dc.subject.enweak interaction
dc.subject.ensensitivity
dc.subject.enCERN Lab
dc.subject.ennumerical calculations
dc.subject.ennew physics
dc.title.enScalar current limit from the beta-neutrino correlation: the WISArD experiment
dc.typeCommunication dans un congrès
dc.identifier.doi10.1088/1742-6596/1308/1/012003
dc.subject.halPhysique [physics]/Physique des Hautes Energies - Expérience [hep-ex]
dc.subject.halPhysique [physics]/Physique [physics]/Instrumentations et Détecteurs [physics.ins-det]
bordeaux.page012003
bordeaux.volume1308
bordeaux.issue1
bordeaux.countryMX
bordeaux.title.proceedingJ.Phys.Conf.Ser.
bordeaux.conference.cityCocoyoc
bordeaux.peerReviewednon
hal.identifierhal-02327692
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2019-01-10
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02327692v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=J.Phys.Conf.Ser.&rft.date=2019&rft.volume=1308&rft.issue=1&rft.spage=012003&rft.epage=012003&rft.au=ARAUJO-ESCALONA,%20V.&ALFAURT,%20P.&ASCHER,%20P.&ATANASOV,%20D.&BLANK,%20B.&rft.genre=unknown


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