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Possible neutron and proton halo structure in the isobaric analog states of A=12 nuclei

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dc.contributor.authorDemyanova, A. S.
dc.contributor.authorStarastsin, V. I.
dc.contributor.authorDanilov, A. N.
dc.contributor.authorOgloblin, A. A.
dc.contributor.authorGurov, G. P.
dc.contributor.authorГуров, Юрий Борисович
dc.date.accessioned2024-11-27T10:25:39Z
dc.date.available2024-11-27T10:25:39Z
dc.date.issued2020
dc.description.abstract© 2020 American Physical Society.The differential cross sections of the B11(He3,d)C12 reaction leading to formation of the 0+ ground state and the 15.11-MeV 1 +, 16.57-MeV 2-, and 17.23-MeV 1- excited states of C12 are measured at Elab=25 MeV. The analysis of the data is carried out within the coupled-reaction-channels method for the direct proton transfer to the bound and unbound states. The rms radii of the last proton in all states studied are determined. A comparison of the rms radii of the B12, C12, and N12 nuclei in the isobaric analog states (IASs) with isospin T=1 determined by different methods allows us to arrive at a conclusion that these nuclei in the 1- excited states at Ex=2.62, 17.23, and 1.80 MeV, respectively, possess one-nucleon (neutron or proton) halo structure. The enlarged radii and a large probability of the last neutron to be outside of the range of the interaction potential are also found for the 2- states of B12, C12, and N12 at Ex=1.67, 16.57, and 1.19 MeV, respectively. These IASs also can be regarded as candidates for states with one-nucleon (neutron or proton) halo.
dc.identifier.citationPossible neutron and proton halo structure in the isobaric analog states of A=12 nuclei / Demyanova, A.S. [et al.] // Physical Review C. - 2020. - 102. - № 5. - 10.1103/PhysRevC.102.054612
dc.identifier.doi10.1103/PhysRevC.102.054612
dc.identifier.urihttps://www.doi.org/10.1103/PhysRevC.102.054612
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85097173026&origin=resultslist
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000595152800009
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/22654
dc.relation.ispartofPhysical Review C
dc.titlePossible neutron and proton halo structure in the isobaric analog states of A=12 nuclei
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue5
oaire.citation.volume102
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