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Observation of $β$-delayed two-proton emission in the decay of $^{22}$Si

dc.contributor.authorXU, X.X.
dc.contributor.authorLIN, C.J.
dc.contributor.authorSUN, L.J.
dc.contributor.authorWANG, J.S.
dc.contributor.authorLAM, Y.H.
dc.contributor.authorLEE, J.
dc.contributor.authorFANG, D.Q.
dc.contributor.authorLI, Z.H.
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorSMIRNOVA, N.A.
dc.contributor.authorYUAN, C.X.
dc.contributor.authorYANG, L.
dc.contributor.authorWANG, Y.T.
dc.contributor.authorLI, J.
dc.contributor.authorMA, N.R.
dc.contributor.authorWANG, K.
dc.contributor.authorZANG, H.L.
dc.contributor.authorWANG, H.W.
dc.contributor.authorLI, C.
dc.contributor.authorLIU, M.L.
dc.contributor.authorWANG, J.G.
dc.contributor.authorSHI, C.Z.
dc.contributor.authorNIE, M.W.
dc.contributor.authorLI, X.F.
dc.contributor.authorLI, H.
dc.contributor.authorMA, J.B.
dc.contributor.authorMA, P.
dc.contributor.authorJIN, S.L.
dc.contributor.authorHUANG, M.R.
dc.contributor.authorBAI, Z.
dc.contributor.authorYANG, F.
dc.contributor.authorJIA, H.M.
dc.contributor.authorLIU, Z.H.
dc.contributor.authorWANG, D.X.
dc.contributor.authorYANG, Y.Y.
dc.contributor.authorZHOU, Y.J.
dc.contributor.authorMA, W.H.
dc.contributor.authorCHEN, J.
dc.contributor.authorHU, Z.G.
dc.contributor.authorWANG, M.
dc.contributor.authorZHANG, Y.H.
dc.contributor.authorMA, X.W.
dc.contributor.authorZHOU, X.H.
dc.contributor.authorMA, Y.G.
dc.contributor.authorXU, H.S.
dc.contributor.authorXIAO, G.Q.
dc.contributor.authorZHANG, H.Q.
dc.date.issued2017
dc.description.abstractEnThe decay of the lightest nucleus with Tz=−3 , 22 Si, was studied by a silicon array. A charged-particle group at 5600 (70) keV in the decay-energy spectrum was identified experimentally as β -delayed two-proton emission from the isobaric analog state (IAS) of 22 Al. Experimental results of the IAS fed by a superallowed Fermi transition were compared with our large-scale shell-model calculations. The ground-state mass of 22 Si was obtained indirectly in the experiment for the first time. Two-proton separation energy for 22 Si is deduced to be −108 (125) keV, which indicates that it is a very marginal candidate for two-proton ground-state emission.
dc.language.isoen
dc.title.enObservation of $β$-delayed two-proton emission in the decay of $^{22}$Si
dc.typeArticle de revue
dc.identifier.doi10.1016/j.physletb.2017.01.028
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
bordeaux.journalPhys.Lett.B
bordeaux.page312-316
bordeaux.volume766
bordeaux.peerReviewedoui
hal.identifierhal-01554732
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-01554732v1
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Phys.Lett.B&rft.date=2017&rft.volume=766&rft.spage=312-316&rft.epage=312-316&rft.au=XU,%20X.X.&LIN,%20C.J.&SUN,%20L.J.&WANG,%20J.S.&LAM,%20Y.H.&rft.genre=article


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