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Электронный каталог: Oganessian, Yu. Ts. - Investigation of Reactions with and for the Synthesis of New Elements
Oganessian, Yu. Ts. - Investigation of Reactions with and for the Synthesis of New Elements
Статья
Автор: Oganessian, Yu. Ts.
Physical Review C: Investigation of Reactions with and for the Synthesis of New Elements
б.г.
ISBN отсутствует
Автор: Oganessian, Yu. Ts.
Physical Review C: Investigation of Reactions with and for the Synthesis of New Elements
б.г.
ISBN отсутствует
На полку
Статья
Oganessian, Yu.Ts.
Investigation of Reactions with and for the Synthesis of New Elements / Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, S.N.Dmitriev, D.Ibadullayev, M.G.Itkis, A.V.Karpov, N.D.Kovrizhnykh, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, R.N.Sagaidak, V.V.Saiko, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.V.Sabelnikov, D.Abdusamadzoda, A.Yu.Bodrov, M.G.Voronyuk, G.A.Bozhikov, N.V.Aksenov, A.V.Khalkin, X.Y.Huang, [a.o.]. – Text : electronic // Physical Review C. – 2025. – Vol. 112, No. 1. – P. 014603. – URL: https://doi.org/10.1103/k2g4-5k7x.
The and reactions have been studied at the gas-filled separator DGFRS-2 at the SHE Factory at Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research. Three new isotopes were discovered: two α-decaying nuclei with α-particle energy MeV and half-life ms, with MeV, ms, and granddaughter of , spontaneously fissioning with , which was observed after the first registration of α decay of 284Fl with 𝐸𝛼=10.57 MeV. Besides, for the first time we reliably registered the pxn channel of the 242Pu+50Ti reaction which was not evidently observed in the 48Ca-induced reactions in previous studies. The cross sections of the 3𝑛 and 4𝑛 channels of the 242Pu+50Ti reaction of 0.32+0.34 −0.18 pb and 0.22+0.27 −0.15 pb, respectively, were measured at excitation energy of the 292Lv compound nucleus 𝐸*=41 MeV. The cross section of the 4𝑛-evaporation channel of the 238U+54Cr reaction, leading to the same compound nucleus, at 𝐸*=42 MeV of 32+46 −24 fb turned out to be approximately 15 times lower than the total cross section of the 242Pu+50Ti reaction at close excitation energy. Thus, for the first time, it was convincingly proved in an experiment that the reactions of isotopes of actinide elements with 50Ti are, by an order of magnitude, preferable to reactions with 54Cr for the synthesis of new elements 119 and 120.
ОИЯИ = ОИЯИ (JINR)2025
Oganessian, Yu.Ts.
Investigation of Reactions with and for the Synthesis of New Elements / Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, S.N.Dmitriev, D.Ibadullayev, M.G.Itkis, A.V.Karpov, N.D.Kovrizhnykh, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, R.N.Sagaidak, V.V.Saiko, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.V.Sabelnikov, D.Abdusamadzoda, A.Yu.Bodrov, M.G.Voronyuk, G.A.Bozhikov, N.V.Aksenov, A.V.Khalkin, X.Y.Huang, [a.o.]. – Text : electronic // Physical Review C. – 2025. – Vol. 112, No. 1. – P. 014603. – URL: https://doi.org/10.1103/k2g4-5k7x.
The and reactions have been studied at the gas-filled separator DGFRS-2 at the SHE Factory at Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research. Three new isotopes were discovered: two α-decaying nuclei with α-particle energy MeV and half-life ms, with MeV, ms, and granddaughter of , spontaneously fissioning with , which was observed after the first registration of α decay of 284Fl with 𝐸𝛼=10.57 MeV. Besides, for the first time we reliably registered the pxn channel of the 242Pu+50Ti reaction which was not evidently observed in the 48Ca-induced reactions in previous studies. The cross sections of the 3𝑛 and 4𝑛 channels of the 242Pu+50Ti reaction of 0.32+0.34 −0.18 pb and 0.22+0.27 −0.15 pb, respectively, were measured at excitation energy of the 292Lv compound nucleus 𝐸*=41 MeV. The cross section of the 4𝑛-evaporation channel of the 238U+54Cr reaction, leading to the same compound nucleus, at 𝐸*=42 MeV of 32+46 −24 fb turned out to be approximately 15 times lower than the total cross section of the 242Pu+50Ti reaction at close excitation energy. Thus, for the first time, it was convincingly proved in an experiment that the reactions of isotopes of actinide elements with 50Ti are, by an order of magnitude, preferable to reactions with 54Cr for the synthesis of new elements 119 and 120.
ОИЯИ = ОИЯИ (JINR)2025
