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Precise measurements of half-lives and branching ratios for the $ \beta$ mirror transitions in the decay of $^{23}$Mg and $^{27}$Si

hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorMAGRON, C.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorALFAURT, Ph.
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.
dc.contributor.authorERONEN, T.
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.
dc.contributor.authorGORELOV, D.
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.authorGUÉRIN, H.
dc.contributor.authorHAKALA, J.
dc.contributor.authorKOLHINEN, V.S.
dc.contributor.authorKOPONEN, J.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorKURTUKIAN NIETO, T.
dc.contributor.authorMOORE, I.D.
dc.contributor.authorPENTTILÄ, H.
dc.contributor.authorPOHJALAINEN, I.
dc.contributor.authorREINIKAINEN, J.
dc.contributor.authorREPONEN, M.
dc.contributor.authorRINTA-ANTILA, S.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorROCHE, M.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorDE ROUBIN, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorSMIRNOVA, N.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorTHOMAS, B.
dc.contributor.authorVOSS, A.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorXAYAVONG, L.
dc.date.issued2017
dc.description.abstractEnHalf-lives and branching ratios for the two mirror $ \beta$ decays of$^{23}$Mg and$^{27}$Si have been measured at the University of Jyväskylä with the IGISOL facility. The results obtained, $ T_{1/2}=11.303(3)$ s and $ T_{1/2}= 4.112(2)$ s for the half-lives of$^{23}$Mg and$^{27}$Si , respectively, are 7 and 8 times more precise than the averages of previous measurements. The values obtained for the super-allowed branching ratios of$^{23}$Mg and$^{27}$Si are $ B.R.=92.18(8)\%$ and $ B.R.=99.74(2)\%$ , respectively. The result for$^{23}$Mg is three times more precise than the average of the previous measurements, while for$^{27}$Si the precision has not been improved, the average of the previous measurements being already very precise. Isospin-symmetry-breaking corrections have been calculated for the two nuclei to determine the corrected $ {F}t$ value.
dc.language.isoen
dc.title.enPrecise measurements of half-lives and branching ratios for the $ \beta$ mirror transitions in the decay of $^{23}$Mg and $^{27}$Si
dc.typeArticle de revue
dc.identifier.doi10.1140/epja/i2017-12271-0
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalEur.Phys.J.A
bordeaux.page77
bordeaux.volume53
bordeaux.issue4
bordeaux.peerReviewedoui
hal.identifierhal-01554537
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01554537v1
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