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High-precision Half-life And Branching Ratio Measurements For Superallowed $\beta^+$ Emitters At TRIUMF-ISAC

dc.contributor.authorDUNLOP, Michelle
dc.contributor.authorLAFFOLEY, A.T.
dc.contributor.authorDUNLOP, R.
dc.contributor.authorANDREOIU, C.
dc.contributor.authorAUSTIN, R.A.E.
dc.contributor.authorBALL, G.C.
dc.contributor.authorBALLAST, T.
dc.contributor.authorBENDER, P.C.
dc.contributor.authorBIDAMAN, H.
dc.contributor.authorBILDSTEIN, V.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorBLANK, B.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorBOUZOMITA, H.
dc.contributor.authorCHAGNON-LESSARD, S.
dc.contributor.authorCHESTER, A.
dc.contributor.authorCROSS, D.S.
dc.contributor.authorDENG, G.
dc.contributor.authorDIAZ VARELA, A.
dc.contributor.authorFINLAY, P.
dc.contributor.authorGARNSWORTHY, A.B.
dc.contributor.authorGARRETT, P.E.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGIOVINAZZO, J.
dc.contributor.authorGLISTER, J.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorGRINYER, G.F.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorGRINYER, J.
dc.contributor.authorHACKMAN, G.
dc.contributor.authorHADINIA, B.
dc.contributor.authorJAMIESON, D.S.
dc.contributor.authorJIGMEDDORJ, B.
dc.contributor.authorKETELHUT, S.
dc.contributor.authorKISLIUK, D.
dc.contributor.authorLEACH, K.G.
dc.contributor.authorLESLIE, J.R.
dc.contributor.authorMACLEAN, A.D.
dc.contributor.authorMILLER, D.W.
dc.contributor.authorMILLS, W.J.
dc.contributor.authorMOUKADDAM, M.
dc.contributor.authorPARK, J.
dc.contributor.authorRADICH, A.J.
dc.contributor.authorRAJABALI, M.M.
dc.contributor.authorRAND, E.T.
dc.contributor.authorSTAROSTA, K.
dc.contributor.authorSVENSSON, C.E.
dc.contributor.authorTARDIFF, E.R.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorTHOMAS, J.C.
dc.contributor.authorTOWNER, I.S.
dc.contributor.authorTRIAMBAK, S.
dc.contributor.authorTURKO, J.
dc.contributor.authorUNSWORTH, C.
dc.contributor.authorVALENCIK, A.
dc.contributor.authorVOSS, P.
dc.contributor.authorWANG, Z.M.
dc.contributor.authorWILLIAMS, S.
dc.contributor.authorWONG, J.
dc.contributor.authorYATES, S.W.
dc.contributor.authorZGANJAR, E.F.
dc.date.issued2016
dc.date.conference2016-09-11
dc.description.abstractEnHigh precision measurements of the ft values for superallowed Fermi β transitions between J π = 0 + isobaric analogue states allow for stringent tests of the electroweak interaction described by the Standard Model. These transitions provide an experimental probe of the ConservedVector-Current hypothesis, enable the most precise determination of the up-down (Vud) element of the Cabibbo-Kobayashi-Maskawa quark-mixing matrix, and allow one to set stringent limits on the existence of scalar currents in the weak interaction. An extensive program of superallowed branching-ratio and half-life measurements at TRIUMF’s Isotope Separator and Accelerator (ISAC) facility has covered the full range of superallowed emitters, from the lightest case, 10C, to the heaviest case for which precision data are currently available, 74Rb. These experiments have been performed using a 4π continuous-flow gas proportional β counter, the 8π γ-ray spectrometer, and, most recently, the new high-efficiency GRIFFIN γ-ray spectrometer. In this paper, recent highlights from the superallowed Fermi β decay program at TRIUMF will be summarized, including high-precision half-life measurements for all three of the lightest superallowed emitters, 10C, 14O, and 18Ne, with the greatest sensitivity to a potential weak scalar current contribution, as well as high-precision branching-ratio measurements for the heavy superallowed emitters 62Ga and 74Rb.
dc.language.isoen
dc.source.titlePoS
dc.title.enHigh-precision Half-life And Branching Ratio Measurements For Superallowed $\beta^+$ Emitters At TRIUMF-ISAC
dc.typeCommunication dans un congrès
dc.identifier.doi10.22323/1.281.0167
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.page167
bordeaux.volumeINPC2016
bordeaux.countryAU
bordeaux.title.proceedingPoS
bordeaux.conference.cityAdelaide
bordeaux.peerReviewednon
hal.identifierhal-01555080
hal.version1
hal.invitednon
hal.proceedingsoui
hal.conference.end2016-09-16
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01555080v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.btitle=PoS&rft.date=2016&rft.volume=INPC2016&rft.spage=167&rft.epage=167&rft.au=DUNLOP,%20Michelle&LAFFOLEY,%20A.T.&DUNLOP,%20R.&ANDREOIU,%20C.&AUSTIN,%20R.A.E.&rft.genre=unknown


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