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NSR database version of April 27, 2024.

Search: Author = I.S.Rogov

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2023KO22      Bull.Rus.Acad.Sci.Phys. 87, 1098 (2023)

N.D.Kovrizhnykh, Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, S.N.Dmitriev, A.A.Dzhioev, D.Ibadullayev, M.G.Itkis, A.V.Karpov, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, I.S.Rogov, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.Yu.Bodrov, A.V.Sabelnikov, A.V.Khalkin

First Experiment at the Super Heavy Element Factory: New Data from the ²⁴³Am + ⁴⁸Ca Reaction

RADIOACTIVITY ^{286,287,288,289}Mc(α), ²⁶⁸Db(SF), (α), ²⁶⁴Lr, ²⁷⁹Rg(SF) [from ²⁴³Am(⁴⁸Ca, X), E=239-259 MeV]; measured decay products, Eα, Iα; deduced α-particle energies, branches, T_1/2, σ. The new separator DGFRS-2 and cyclotron DC280 of the SHE Factory at FLNR JINR.

doi: 10.3103/S106287382370291X
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2023OG03      Phys.Rev. C 108, 024611 (2023)

Yu.Ts.Oganessian, V.K.Utyonkov, M.V.Shumeiko, F.Sh.Abdullin, S.N.Dmitriev, D.Ibadullayev, M.G.Itkis, N.D.Kovrizhnykh, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, I.S.Rogov, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, N.S.Bublikova, M.G.Voronyuk, A.V.Sabelnikov, A.Yu.Bodrov, Z.G.Gan, Z.Y.Zhang, M.H.Huang, H.B.Yang

New isotope ²⁷⁶Ds and its decay products ²⁷²Hs and ²⁶⁸Sg from the ²³²Th+⁴⁸Ca reaction

NUCLEAR REACTIONS ²³²Th(⁴⁸Ca, 3n)²⁷⁷Ds, ²³²Th(⁴⁸Ca, 4n)²⁷⁶Ds, E=231, 1, 237.8, 250.6 MeV; measured reaction products, Eα, Iα, fission fragments; deduced production σ(E). Systematics of production cross-sections with ⁴⁸Ca beam on ^242,244Pu, ²³⁸U, ²³²Th, ²²⁶Ra, ^245,248Cm, ²⁴⁹Bk targets. Gas filled separator DGFRS-2 at the new cyclotron DC280 (SHE Factory, JINR).

RADIOACTIVITY ²⁶⁸Sg(SF)[from ²³²Th(⁴⁸Ca, X), E=231, 1, 237.8, 250.6 MeV]; ²⁷²Hs(α)[from ²³²Th(⁴⁸Ca, X), E=231, 1, 237.8, 250.6 MeV]; ²⁷⁶Ds(α), (SF)[from ²³²Th(⁴⁸Ca, X), E=231, 1, 237.8, 250.6 MeV]; measured Eα, Iα, fission fragments; deduced T_1/2, α-decay and SF decay branching and partial T_1/2 for ²⁷⁶Ds, Q value for α-decay. Systematics of partial T_1/2 for Hs, Ds, Cn, Fl, Lv and Og isotopes.

doi: 10.1103/PhysRevC.108.024611
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2022OG08      Phys.Rev. C 106, 064306 (2022)

Yu.Ts.Oganessian, V.K.Utyonkov, N.D.Kovrizhnykh, F.Sh.Abdullin, S.N.Dmitriev, A.A.Dzhioev, D.Ibadullayev, M.G.Itkis, A.V.Karpov, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, I.S.Rogov, R.N.Sagaidak, L.Schlattauer, V.D.Shubin, M.V.Shumeiko, D.I.Solovyev, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.Yu.Bodrov, A.V.Sabelnikov, A.V.Khalkin, K.P.Rykaczewski, T.T.King, J.B.Roberto, N.T.Brewer, R.K.Grzywacz, Z.G.Gan, Z.Y.Zhang, M.H.Huang, H.B.Yang

New isotope ²⁸⁶Mc produced in the ²⁴³Am + ⁴⁸Ca reaction

NUCLEAR REACTIONS ²⁴³Am(⁴⁸Ca, X)²⁸⁸Mc/²⁸⁹Mc, ²⁴³Am(⁴⁸Ca, 2n), (⁴⁸Ca, 3n), (⁴⁸Ca, 4n), (⁴⁸Ca, 5n), E=242.2, 250.8, 259.1 MeV; measured reaction products, evaporation residues (ER), Eα, Iα, fission fragments, (SF), (SF)α-coin, (ER)α-coin, αα-coin; deduced σ(E) for superheavy nuclei production. Gas-filled separator DGFRS-2 at the DC280 cyclotron (SHE Factory at JINR). Measurements with double-sided silicon strip detectors (DSSDs), single-sided silicon-strip detectors (SSSDs) and multiwire proportional chambers (MWPCs).

RADIOACTIVITY ^286,287,288Mc, ²⁸⁹Mc, ²⁸²Nh, ²⁸³Nh, ²⁸⁴Nh, ²⁸⁵Nh, ^278,280Rg, ^274,275,276Mt, ^270,271,272Bh, ²⁶⁸Db(α); ^279,281Rg, ^266,267,268Db, ²⁶⁴Lr(SF) [from ²⁴³Am(⁴⁸Ca, xn), E=E=242.2, 250.8, 259.1 MeV]; measured Eα, E_SF; deduced T_1/2. ²⁶⁸Db; deduced α/SF branching ratio. ²⁸⁶Mc; deduced new isotope. Comparison of deduced half-lives with theoretical predictions.

doi: 10.1103/PhysRevC.106.064306
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2022RO07      Phys.Rev. C 105, 034619 (2022)

I.S.Rogov, G.G.Adamian, N.V.Antonenko

Spontaneous fission hindrance in even-odd nuclei within a cluster approach

RADIOACTIVITY ^{242,243,244,245,246}Cm, ^{242,243,244,245,246,253,254,255,256,257,258}Fm, ^{254,255,256,257,258}Rf, ²³⁵U, ^239,241Pu(α)(SF); calculated T_1/2. Dinuclear system cluster approach. Comparison to experimental data.

doi: 10.1103/PhysRevC.105.034619
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2021RO20      Phys.Rev. C 104, 034618 (2021)

I.S.Rogov, G.G.Adamian, N.V.Antonenko

Cluster approach to spontaneous fission of even-even isotopes of U, Pu, Cm, Cf, Fm, No, Rf, Sg, and Hs

RADIOACTIVITY ^{230,232,234,236,238}U, ^{236,238,240,242,244}Pu, ^{234,236,238,240,242,244,246,248}Cm, ^{238,240,242,244,246,248,250,252,254,256}Cf, ^{242,244,246,248,250,252,254,256,258}Fm, ^{252,254,256,258,260}No, ^{256,258,260,262}Rf, ^{258,260,262,264,266,268,270,272}Sg, ^{264,266,268,270,272,274}Hs(α), (SF); calculated half-lives, and decay Q values. ²³²U(²⁴Ne); ²³⁴U(²⁶Ne); ²³⁶U, ²³⁸Pu(²⁸Mg), (³⁰Mg); ²³⁸Pu(³²Si); ²⁴²Cm(³⁴S); calculated half-lives for cluster decays. Dinuclear system (DNS) model with cluster approach. Comparison with available experimental data.

doi: 10.1103/PhysRevC.104.034618
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2020RO11      Phys.Atomic Nuclei 83, 15 (2020)

I.S.Rogov, N.V.Antonenko, G.G.Adamian, T.M.Shneidman

Effect of the Nucleon-Density Distribution on the Description of Nuclear Decay

doi: 10.1134/S1063778820010123
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2020RO13      Nucl.Phys. A1002, 121995 (2020)

I.S.Rogov, G.G.Adamian, N.V.Antonenko, T.M.Shneidman, H.Lenske

Nucleon density distribution in description of nuclear decays

NUCLEAR STRUCTURE ⁴⁴Ti; analyzed available data; calculated spectroscopic factors.

RADIOACTIVITY ^236,238U(α), (SF); analyzed self-consistently calculated nucleon density distributions; deduced T_1/2.

doi: 10.1016/j.nuclphysa.2020.121995
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2019RO15      Phys.Rev. C 100, 024606 (2019)

I.S.Rogov, G.G.Adamian, N.V.Antonenko

Dynamics of a dinuclear system in charge-asymmetry coordinates: α decay, cluster radioactivity, and spontaneous fission

RADIOACTIVITY ^232,234,236U, ^236,238Pu, ²⁴²Cm, ²⁴⁸Cf, ²⁴²Cm, ²⁴⁸Cf(²⁴Ne), (²⁸Mg), (³⁴Si), (⁴⁰S), (⁴⁶Ar); ²⁴⁸Cf(⁵⁰Ca); ²⁴²Cm, ²⁴⁸Cf(α), (¹⁰Be), (¹¹B), (¹⁴C), (¹⁵N), (²⁰O), (²³F), (²⁴Ne), (²⁷Na), (²⁸Mg), (³¹Al), (³⁴Si), (³⁵P), (⁴⁰S), (⁴¹Cl), (⁴⁶Ar), (⁴⁷K), (⁴⁸Ca), (⁵¹Sc), (⁵⁶Ti), (⁵⁷V), (⁵⁸Cr), (⁶¹Mn); ²³²U(²⁴Ne); ²³⁴U(²⁶Ne), (²⁸Mg); ²³⁶U(³⁰Mg); ^232,234,236U(α), (SF); ²³⁶Pu(α), (SF), (²⁸Mg); ²⁴²Cm(α), (SF), (³⁴Si); ²³⁸Pu(α), (SF), (³⁰Mg), (²³Si); ²⁴⁸Cf(α), (SF), (⁴⁰S); calculated half-lives using dinuclear system model, and compared with available experimental results.

doi: 10.1103/PhysRevC.100.024606
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