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Halo-like structure in He-7 nucleus

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dc.contributor.authorDemyanova, A. S.
dc.contributor.authorOgloblin, A. A.
dc.contributor.authorChernishev, B. A.
dc.contributor.authorGoncharov, S. A.
dc.contributor.authorGurov, Y. B.
dc.contributor.authorLapushkin, S. V.
dc.contributor.authorЧернышев, Борис Андреевич
dc.contributor.authorГуров, Юрий Борисович
dc.date.accessioned2024-11-27T17:07:42Z
dc.date.available2024-11-27T17:07:42Z
dc.date.issued2020
dc.description.abstractA study of the neutron structure of the ground state of He-7 has been performed by means of registration and analysis of the decay channels of the residual nuclei following absorption of stopped pions. In particular, the reaction Be-9 (pi(-),d)X have been investigated where X denotes any system with five neutrons and two protons - the constituencies of a H-7 nucleus. It was shown that the structure of H-7 is determined by correlations of two neutrons in the states He-6 (0(+)), He-6 (2(+)) and one neutron in the shell p(3/2). The He-4+3n structure is not manifested in the ground state of H-7. The obtained results are consistent with the known data on considerable mixture of configurations "He-6 in its ground and first excited states plus a neutron" in the ground state of H-7. Comparison of the diffraction components of the differential cross-sections of the charge-exchange reactions (t, He-3) measured on Li-6 and Li-7 allowed extracting the radius of particle-unstable nucleus H-7. The latter occurred to be approximately equal to those of He-6 and H-7. The obtained result indicates to existence of the halo-like structure in H-7.
dc.identifier.citationHalo-like structure in He-7 nucleus / Demyanova, AS [et al.] // 27TH INTERNATIONAL NUCLEAR PHYSICS CONFERENCE (INPC2019). - 2020. - 1643. - 10.1088/1742-6596/1643/1/012128
dc.identifier.doi10.1088/1742-6596/1643/1/012128
dc.identifier.urihttps://www.doi.org/10.1088/1742-6596/1643/1/012128
dc.identifier.urihttp://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=Alerting&SrcApp=Alerting&DestApp=WOS_CPL&DestLinkType=FullRecord&UT=WOS:000686763400128
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/23209
dc.relation.ispartof27TH INTERNATIONAL NUCLEAR PHYSICS CONFERENCE (INPC2019)
dc.titleHalo-like structure in He-7 nucleus
dc.typeProceedings Paper
dspace.entity.typePublication
oaire.citation.volume1643
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relation.isAuthorOfPublication3fe8a761-d18d-4898-885f-7c5fec92951e
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