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Normal and intruder configurations in $^{34}$Si populated in the $\beta^-$ decay of $^{34}$Mg and $^{34}$Al

dc.contributor.authorLICA, R.
dc.contributor.authorROTARU, F.
dc.contributor.authorBORGE, M.J.G.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
hal.structure.identifierCentre d'Etudes Nucléaires de Bordeaux Gradignan [CENBG]
dc.contributor.authorGREVY, S.
dc.contributor.authorNEGOITA, F.
dc.contributor.authorPOVES, A.
hal.structure.identifierGrand Accélérateur National d'Ions Lourds [GANIL]
dc.contributor.authorSORLIN, O.
dc.contributor.authorANDREYEV, A.N.
dc.contributor.authorBORCEA, R.
dc.contributor.authorCOSTACHE, C.
dc.contributor.authorDE WITTE, H.
dc.contributor.authorFRAILE, L.M.
dc.contributor.authorGREENLEES, P.T.
dc.contributor.authorHUYSE, M.
dc.contributor.authorIONESCU, A.
dc.contributor.authorKISYOV, S.
dc.contributor.authorKONKI, J.
dc.contributor.authorLAZARUS, I.
dc.contributor.authorMADURGA, M.
dc.contributor.authorMARGINEAN, N.
dc.contributor.authorMARGINEAN, R.
dc.contributor.authorMIHAI, C.
dc.contributor.authorMIHAI, R.E.
dc.contributor.authorNEGRET, A.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorNOWACKI, F.
dc.contributor.authorPAGE, R.D.
dc.contributor.authorPAKARINEN, J.
dc.contributor.authorPUCKNELL, V.
dc.contributor.authorRAHKILA, P.
dc.contributor.authorRAPISARDA, E.
dc.contributor.authorSERBAN, A.
dc.contributor.authorSOTTY, C.O.
dc.contributor.authorSTAN, L.
dc.contributor.authorSTANOIU, M.
dc.contributor.authorTENGBLAD, O.
dc.contributor.authorTURTURICA, A.
dc.contributor.authorVAN DUPPEN, P.
dc.contributor.authorWARR, N.
hal.structure.identifierInstitut Pluridisciplinaire Hubert Curien [IPHC]
dc.contributor.authorDESSAGNE, Ph.
dc.contributor.authorSTORA, T.
dc.contributor.authorBORCEA, C.
dc.contributor.authorCALINESCU, S.
hal.structure.identifierDirection des Applications Militaires [DAM]
dc.contributor.authorDAUGAS, J.M.
dc.contributor.authorFILIPESCU, D.
dc.contributor.authorKUTI, I.
hal.structure.identifierInstitut de Physique Nucléaire d'Orsay [IPNO]
dc.contributor.authorFRANCHOO, S.
dc.contributor.authorGHEORGHE, I.
hal.structure.identifierInstitut de Physique Nucléaire d'Orsay [IPNO]
hal.structure.identifierDirection des Applications Militaires [DAM]
dc.contributor.authorMORFOUACE, P.
hal.structure.identifierDirection des Applications Militaires [DAM]
dc.contributor.authorMOREL, Pierre
dc.contributor.authorMRAZEK, J.
dc.contributor.authorPIETREANU, D.
dc.contributor.authorSOHLER, D.
hal.structure.identifierInstitut de Physique Nucléaire d'Orsay [IPNO]
dc.contributor.authorSTEFAN, I.
dc.contributor.authorSUVAILA, R.
dc.contributor.authorTOMA, S.
dc.contributor.authorUR, C.A.
dc.date.issued2019
dc.description.abstractEnThe structure of Si34 was studied through γ spectroscopy separately in the β− decays of Mg34 and Al34 at the ISOLDE facility of CERN. Different configurations in Si34 were populated independently from the two recently identified β-decaying states in Al34 having spin-parity assignments Jπ=4− dominated by the normal configuration π(d5/2)−1⊗ν(f7/2) and Jπ=1+ by the intruder configuration π(d5/2)−1⊗ν(d3/2)−1(f7/2)2. The paper reports on spectroscopic properties of Si34 such as an extended level scheme, spin and parity assignments based on log(ft) values and γ-ray branching ratios, absolute β feeding intensities, and neutron emission probabilities. A total of 11 newly identified levels and 26 transitions were added to the previously known level scheme of Si34. Large scale shell-model calculations using the SDPF-U-MIX interaction, able to treat higher order intruder configurations, are compared with the new results and conclusions are drawn concerning the predictive power of SDPF-U-MIX, the N=20 shell gap, the level of mixing between normal and intruder configurations for the 01+, 02+, and 21+ states, and the absence of triaxial deformation in Si34.
dc.language.isoen
dc.subject.enNuclear Structure
dc.title.enNormal and intruder configurations in $^{34}$Si populated in the $\beta^-$ decay of $^{34}$Mg and $^{34}$Al
dc.typeArticle de revue
dc.identifier.doi10.1103/PhysRevC.100.034306
dc.subject.halPhysique [physics]/Physique Nucléaire Expérimentale [nucl-ex]
dc.identifier.arxiv1908.11626
bordeaux.journalPhys.Rev.C
bordeaux.page034306
bordeaux.volume100
bordeaux.issue3
bordeaux.peerReviewedoui
hal.identifierhal-02283556
hal.version1
hal.popularnon
hal.audienceInternationale
hal.origin.linkhttps://hal.archives-ouvertes.fr//hal-02283556v1
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