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8He Spectroscopy with Stopped-Pion Absorption by 12C and 14C

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dc.contributor.authorGurov, Y. B.
dc.contributor.authorLapushkin, S. V.
dc.contributor.authorLeonova, T. I.
dc.contributor.authorSandukovsky, V. G.
dc.contributor.authorChernyshev, B. A.
dc.contributor.authorГуров, Юрий Борисович
dc.contributor.authorЛеонова, Татьяна Игоревна
dc.contributor.authorЧернышев, Борис Андреевич
dc.date.accessioned2024-11-21T09:23:27Z
dc.date.available2024-11-21T09:23:27Z
dc.date.issued2019
dc.description.abstract© 2019, Allerton Press, Inc.Abstract: The structure of the levels of heavy helium isotope 8He is investigated using the reactions of stopped-pion absorption by carbon isotopes 12С(π−, p3He)X, 14С(π−, d4He)X, and 14С(π−, t3He)X. Measurements are made with the two-arm multilayer semiconductor spectrometer at the LANL accelerator. Excited states of the 8He nucleus with energies of excitation of up to ~ 20 MeV are sought using the measured missing-mass spectra for these reactions. An excited state with Ex ≈ 6.4 MeV and Г ≤ 1 MeV is observed for the first time. Its structure is probably due to two valence nucleons on the (1p1/2)2 shell.
dc.format.extentС. 479-482
dc.identifier.citation8He Spectroscopy with Stopped-Pion Absorption by 12C and 14C / Gurov, Y.B. [et al.] // Bulletin of the Russian Academy of Sciences: Physics. - 2019. - 83. - № 4. - P. 479-482. - 10.3103/S1062873819040129
dc.identifier.doi10.3103/S1062873819040129
dc.identifier.urihttps://www.doi.org/10.3103/S1062873819040129
dc.identifier.urihttps://www.scopus.com/record/display.uri?eid=2-s2.0-85067012501&origin=resultslist
dc.identifier.urihttps://openrepository.mephi.ru/handle/123456789/18208
dc.relation.ispartofBulletin of the Russian Academy of Sciences: Physics
dc.title8He Spectroscopy with Stopped-Pion Absorption by 12C and 14C
dc.typeArticle
dspace.entity.typePublication
oaire.citation.issue4
oaire.citation.volume83
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