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Search for elements 119 and 120

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dc.abstract.enA search for production of the superheavy elements with atomic numbers 119 and 120 was performed in the Ti-50 + Bk-249 and Ti-50 + Cf-249 fusion-evaporation reactions, respectively, at the gas-filled recoil separator TASCA at GSI Darmstadt, Germany. Over four months of irradiation, the Bk-249 target partially decayed into Cf-249, which allowed for a simultaneous search for both elements. Neither was detected at cross-section sensitivity levels of 65 and 200 fb for the Ti-50 + Bk-249 and Ti-50 + Cf-249 reactions, respectively, at a midtarget beam energy of E-lab = 281.5 MeV. The nonobservation of elements 119 and 120 is discussed within the concept of fusion-evaporation reactions including various theoretical predictions on the fission-barrier heights of superheavy nuclei in the region of the island of stability.
dc.affiliationUniwersytet Warszawski
dc.contributor.authorMiernik, Krzysztof
dc.contributor.authorKhuyagbaatar, J.
dc.contributor.authorShaughnessy, D. A.
dc.contributor.authorSteinegger, P.
dc.contributor.authorAsai, M.
dc.contributor.authorSchausten, B.
dc.contributor.authorSemchenkov, A.
dc.contributor.authorAckermann, D.
dc.contributor.authorAndersson, L.-L.
dc.contributor.authorSchädel, M.
dc.contributor.authorYakushev, A.
dc.contributor.authorDüllmann, Ch. E.
dc.contributor.authorHerzberg, R.-D.
dc.contributor.authorHeßberger, F. P.
dc.contributor.authorHamilton, J. H.
dc.contributor.authorTinschert, K.
dc.contributor.authorHartmann, W.
dc.contributor.authorTereshatov, E. E.
dc.contributor.authorThörle-Pospiech, P.
dc.contributor.authorSteiner, J.
dc.contributor.authorRoberto, J. B.
dc.contributor.authorRudolph, D.
dc.contributor.authorJäger, E.
dc.contributor.authorKindler, B.
dc.contributor.authorRenisch, D.
dc.contributor.authorHollinger, R.
dc.contributor.authorHübner, A.
dc.contributor.authorHinde, D. J.
dc.contributor.authorHoffmann, J.
dc.contributor.authorFahlander, C.
dc.contributor.authorForsberg, U.
dc.contributor.authorSarmiento, L. G.
dc.contributor.authorRunke, J.
dc.contributor.authorRykaczewski, K. P.
dc.contributor.authorGolubev, P.
dc.contributor.authorCleve, S. M. Van
dc.contributor.authorGregorich, K. E.
dc.contributor.authorYakusheva, V.
dc.contributor.authorGates, J. M.
dc.contributor.authorGharibyan, N.
dc.contributor.authorTürler, A.
dc.contributor.authorUusitalo, J.
dc.contributor.authorHeidenreich, T. Torres De
dc.contributor.authorTrautmann, N.
dc.contributor.authorKrier, J.
dc.contributor.authorKurz, N.
dc.contributor.authorKratz, J. V.
dc.contributor.authorWegrzecki, M.
dc.contributor.authorWiehl, N.
dc.contributor.authorLang, R.
dc.contributor.authorLaatiaoui, M.
dc.contributor.authorLahiri, S.
dc.contributor.authorMinami, S.
dc.contributor.authorLommel, B.
dc.contributor.authorMaiti, M.
dc.contributor.authorBoll, R. A.
dc.contributor.authorBrand, H.
dc.contributor.authorPang, G. K.
dc.contributor.authorBlock, M.
dc.contributor.authorPapadakis, P.
dc.contributor.authorNitsche, H.
dc.contributor.authorOmtvedt, J. P.
dc.contributor.authorMistry, A. K.
dc.contributor.authorMokry, C.
dc.contributor.authorEvers, M.
dc.contributor.authorEberhardt, K.
dc.contributor.authorEven, J.
dc.contributor.authorDerkx, X.
dc.contributor.authorNitto, A. Di
dc.contributor.authorCox, D. M.
dc.contributor.authorDasgupta, M.
dc.date.accessioned2024-01-25T22:56:56Z
dc.date.available2024-01-25T22:56:56Z
dc.date.issued2020
dc.description.financePublikacja bezkosztowa
dc.description.number6
dc.description.volume102
dc.identifier.doi10.1103/PHYSREVC.102.064602
dc.identifier.issn2469-9985
dc.identifier.urihttps://repozytorium.uw.edu.pl//handle/item/119231
dc.identifier.weblinkhttps://link.aps.org/article/10.1103/PhysRevC.102.064602
dc.languageeng
dc.pbn.affiliationphysical sciences
dc.relation.ispartofPhysical Review C
dc.relation.pages064602-1-9
dc.rightsClosedAccess
dc.sciencecloudnosend
dc.titleSearch for elements 119 and 120
dc.typeJournalArticle
dspace.entity.typePublication