NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = R.N.Sagaidak Found 89 matches. 2023IB01 Bull.Rus.Acad.Sci.Phys. 87, 1118 (2023) D.Ibadullayev, V.K.Utyonkov, Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, 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, 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, Sh.G.Giniyatova, K.A.Kuterbekov Study of the 242Pu + 48Ca Reaction at Super Heavy Element Factory RADIOACTIVITY 286,287Fl, 283Cn, 279Ds, 261Rf(α) [from 242Pu(48Ca, X), E=242.5, 247.5 MeV]; measured reaction products, Eα, Iα; deduced α-particle energies, T1/2, σ, 2+ rotational level in 282Cn. A new gas-filled separator DGFRS-2 online to the DC-280 cyclotron of the Superheavy Element Factory at the Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research.
doi: 10.3103/S1062873823702945
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 286,287,288,289Mc(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, T1/2, σ. The new separator DGFRS-2 and cyclotron DC280 of the SHE Factory at FLNR JINR.
doi: 10.3103/S106287382370291X
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 T1/2, α-decay and SF decay branching and partial T1/2 for 276Ds, Q value for α-decay. Systematics of partial T1/2 for Hs, Ds, Cn, Fl, Lv and Og isotopes.
doi: 10.1103/PhysRevC.108.024611
2022OG05 Phys.Rev. C 106, 024612 (2022) Yu.Ts.Oganessian, V.K.Utyonkov, D.Ibadullayev, F.Sh.Abdullin, S.N.Dmitriev, 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, 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.Lindner, 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 Investigation of 48Ca-induced reactions with 242Pu and 238U targets at the JINR Superheavy Element Factory RADIOACTIVITY 286,287Fl, 283Cn(α), (SF)[from 242Pu(48Ca, 3n), (48Ca, 4n)286Fl/287Fl, E=242.5, 247.5 MeV, and 238U(48Ca, 3n)283Cn, E=231.1, 234.4 MeV followed by separation of fragments using gas-filled separator DGFRS-2 separator at the SHE Factory of JINR-Dubna]; measured evaporation residues (ERs), Eα, fission fragments (SF), (ER)α-coin, αα-coin, (ER)(SF)-coin using double-sided silicon strip detectors (DSSDs), single-sided silicon-strip detectors (SSSDs) and multiwire proportional chambers (MWPCs); deduced T1/2 for α and SF decays, branching ratios, Q(α), production cross sections for superheavy nuclei. 279Ds, 275Hs, 271Sg(α), (SF); 282Cn, 267Rf(SF)[from 286,287Fl, 283Cn decay chains]; measured Eα, ESF deduced T1/2 for α and SF decays, average decay properties. 287Fl; discussed possible existence of isomeric states from consecutive α decays. 282Cn; discussed possible population of 2+ state. Comparison with previously available experimental results.
doi: 10.1103/PhysRevC.106.024612
2022OG07 Phys.Rev. C 106, L031301 (2022) Yu.Ts.Oganessian, V.K.Utyonkov, N.D.Kovrizhnykh, F.Sh.Abdullin, S.N.Dmitriev, D.Ibadullayev, M.G.Itkis, D.A.Kuznetsov, O.V.Petrushkin, A.V.Podshibiakin, A.N.Polyakov, A.G.Popeko, R.N.Sagaidak, L.Schlattauer, I.V.Shirokovski, 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, V.B.Zlokazov, 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 First experiment at the Super Heavy Element Factory: High cross section of 288Mc in the 243Am + 48Ca reaction and identification of the new isotope 264Lr NUCLEAR REACTIONS 243Am(48Ca, 2n)289Mc, (48Ca, 3n)288Mc, (48Ca, 4n), E=239.1, 240.9, 243.9 MeV; measured evaporation residues (ER), α, and fission fragments (SF), (ER)α-coin, αα-coin, α(SF)-coin, ER(SF)-coin, production σ(E) for superheavy nuclei using gas-filled separator DGFRS-2, two double-sided strip detectors (DSSD), two multiwire proportional chambers (MWPC) at the DC280 cyclotron facility of the Super Heavy Element Factory of JINR-Dubna. RADIOACTIVITY 288,289Mc, 284,285Nh, 280,281Rg, 276Mt, 272Bh, 268Db(α); 281Rg, 277Mt, 268Db, 264Lr(SF)[from 243Am(48Ca, xn)]; measured Eα, ESF, (ER)α-coin, αα-coin, α(SF)-coin, ER(SF)-coin, T1/2. 268Db; deduced α/SF branching ratio. 264Lr; deduced new isotope, T1/2, average decay properties. 288Mc, 284Nh(EC), (β+); discussed upper limit for decay mode. History of 55 correlated events observed for 288Mc and six for 289Mc is listed by authors in the Supplemental material of the paper.
doi: 10.1103/PhysRevC.106.L031301
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, ESF; deduced T1/2. 268Db; deduced α/SF branching ratio. 286Mc; deduced new isotope. Comparison of deduced half-lives with theoretical predictions.
doi: 10.1103/PhysRevC.106.064306
2022SA09 Phys.Rev. C 105, 024604 (2022) R.N.Sagaidak, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, O.N.Malyshev, A.G.Popeko, A.I.Svirikhin, A.V.Yeremin Production of evaporation residues in the 16O + 208Pb and 48Ca + 176Yb reactions NUCLEAR REACTIONS 208Pb(16O, xn), E*=19-78 MeV; 176Yb(48Ca, xn), E*=19-62 MeV;measured reaction products, evaporation residues, Eα, Ια, αα-coin, (implants)α-coin; deduced σ(E), compound nucleus formation probability. Comparison with previous experimental data. Recoil separator VASSILISSA at U400 cyclotron (JINR).
doi: 10.1103/PhysRevC.105.024604
2020VO07 Bull.Rus.Acad.Sci.Phys. 84, 351 (2020) A.A.Voinov, V.K.Utyonkov, Yu.Ts.Oganessian, F.Sh.Abdullin, A.N.Polyakov, Yu.S.Tsyganov, I.V.Shirokovsky, R.N.Sagaidak, V.G.Subbotin, S.N.Dmitriev, M.G.Itkis, M.V.Shumeiko, N.D.Kovrizhnykh, A.V.Sabelnikov, G.K.Vostokin Synthesizing and Studying Superheavy Nuclei 294Ts and 294Og
doi: 10.3103/S1062873820040358
2019SA05 Phys.Rev. C 99, 014602 (2019) R.N.Sagaidak, N.A.Kondratiev, L.Corradi, E.Fioretto, G.Montagnoli, F.Scarlassara, A.M.Stefanini Ranges of Rn evaporation residues produced in the 16O + 194Pt reaction NUCLEAR REACTIONS 194Pt(16O, xn), (16O, pxn), 202Rn/203Rn/203mRn/204Rn/205Rn/206Rn/203At/204At/205At/206At/207At, E=80-125 MeV; measured reaction products, Eα, Iα, ranges of the short-lived Rn isotopes in Al using semiconductor surface-barrier detector (SSBD) at the INFN-LNL, Legnaro. Comparison with SRIM/TRIM Monte Carlo calculations and simulations. 126,128Ba, 142Sm, 149Tb, 150,151Dy; analyzed and compiled mean ranges in Al from β and α activity measurements in literature. Ta(16O, X)192Tl/193Tl/194Tl/191Hg/192Hg/193Hg, E*=3-19 MeV; Ta(12C, X)188Au/Pt, E*=3-19 MeV; Ho(20Ne, X), Tm(16O, X), E*=3-19 MeV; Au, Bi(12C, X), Ir(18O, X), Ir(16O, X), E=0.01-0.08 MeV/nucleon; analyzed and compiled literature data for mean ranges in Al for evaporation residues of Hg, Tl, Au, Pt, Ir, Re, Os, Hf, Po, At, and Ac isotopes produced in different reactions.
doi: 10.1103/PhysRevC.99.014602
2018BR13 Phys.Rev. C 98, 024317 (2018) N.T.Brewer, V.K.Utyonkov, K.P.Rykaczewski, Yu.Ts.Oganessian, F.Sh.Abdullin, R.A.Boll, D.J.Dean, S.N.Dmitriev, J.G.Ezold, L.K.Felker, R.K.Grzywacz, M.G.Itkis, N.D.Kovrizhnykh, D.C.McInturff, K.Miernik, G.D.Owen, A.N.Polyakov, A.G.Popeko, J.B.Roberto, A.V.Sabelnikov, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, N.J.Sims, E.H.Smith, V.G.Subbotin, A.M.Sukhov, A.I.Svirikhin, Yu.S.Tsyganov, S.M.Van Cleve, A.A.Voinov, G.K.Vostokin, C.S.White, J.H.Hamilton, M.A.Stoyer Search for the heaviest atomic nuclei among the products from reactions of mixed-Cf with a 48Ca beam NUCLEAR REACTIONS 249,250,251,252Cf(48Ca, 2n), (48Ca, 3n), (48Ca, 4n), (48Ca, 5n), E*=33-50 MeV; calculated evaporation residual cross sections using from five models for analyzing reactions. 249,250,251Cf(48Ca, xn)294Og, E=252, 258 MeV; Yb(48Ca, xn)216Th/217Th/218Th/219Th/220Th, E=252, 258 MeV; 206Pb(48Ca, 2n)252No, E=252, 258 MeV; measured Eα, Iα and (implants)α correlations, using Dubna Gas Filled Recoil Separator (DGFRS) for recoil separation and double-sided silicon strip detectors for α detection at JINR. Reviewed earlier experiments from 2002 to 2012 for the detection of 294Og nuclide. 295,296Og; predicted production σ, half-life and Eα for the decay of 296Og; discussed future prospects for production of these two nuclides. RADIOACTIVITY 294Og, 290Lv, 218,219Th, 214,215Ra(α); 286Fl(SF); measured Eα, Q(α) and T1/2. 294,296Og(α); comparison of experimental values for Q(α) and T1/2 for 294Og with theoretical predictions for 294Og and 296Og.
doi: 10.1103/PhysRevC.98.024317
2018SA19 Phys.Rev. C 97, 054622 (2018) R.N.Sagaidak, N.A.Kondratiev, L.Corradi, E.Fioretto, T.Mijatovic, G.Montagnoli, F.Scarlassara, A.M.Stefanini, S.Szilner Charge distributions of Ra recoil ions produced in 12C+Pb fusion-evaporation reactions NUCLEAR REACTIONS 204,206,208Pb(12C, X)211Ra/212Ra/213Ra/214Ra/215Ra/217Ra/208Rn/209Rn/210Rn/212Rn/213Rn/211Po/211At, E=69, 90 MeV; 197Au(18O, X)210Fr, E=90 MeV; measured evaporation residues, Eα from α decays of Ra isotopes and daughters, kinetic energy of evaporation residue (ER) and their decays using silicon surface-barrier detector (SSBD) at the XTU Tandem-ALPI accelerator complex of LNL-Legnaro; deduced ER yields, and ionic charge state distributions. Comparison with previous experimental results, and theoretical predictions.
doi: 10.1103/PhysRevC.97.054622
2018UT02 Phys.Rev. C 97, 014320 (2018) V.K.Utyonkov, N.T.Brewer, Yu.Ts.Oganessian, K.P.Rykaczewski, F.Sh.Abdullin, S.N.Dmitriev, R.K.Grzywacz, M.G.Itkis, K.Miernik, A.N.Polyakov, J.B.Roberto, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.M.Sukhov, A.V.Karpov, A.G.Popeko, A.V.Sabelnikov, A.I.Svirikhin, G.K.Vostokin, J.H.Hamilton, N.D.Kovrizhnykh, L.Schlattauer, M.A.Stoyer, Z.Gan, W.X.Huang, L.Ma Neutron-deficient superheavy nuclei obtained in the 240Pu + 48Ca reaction NUCLEAR REACTIONS 240Pu(48Ca, 3n), (48Ca, 4n), E=250 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α, α-α, and ER-SF correlated events, reaction σ using Dubna gas-filled recoil separator (DGFRS) at the U-400 cyclotron facility of Flerov Laboratory of Nuclear Reactions(FLNR), JINR; deduced three ER-α-SF correlated decay chains decaying from 285Fl to 265Rf, one ER-α-SF decay chain, and 25 short ER-SF decay chains, super-heavy nuclides (SHN). Systematics of production σ for Cf, Cm and Am isotopes in 248Cm, 249Cf(136Xe, xn), 248Cm(86Kr, xn), and 240Pu, 243Am, 248Cm(48Ca, xn) reactions. 240,244mAm, 242mAm, 237,239,241mPu, 238,241,243,244,245,246mAm, 287Fl, 282,283Cn, 279Ds; possible production of mostly the SF activities. RADIOACTIVITY 285Fl, 281Cn, 277Ds, 273Hs, 269Sg(α); 265Rf(SF)[from 240Pu(48Ca, 3n), E=250 MeV]; measured Eα, ESF, T1/2 from three correlated decay chains; deduced average decay properties, possible indication of decays through different energy levels. 284Fl(SF)[from 240Pu(48Ca, 4n), E=250 MeV]; deduced possible three ER-SF correlated decay chains and estimated half-life.
doi: 10.1103/PhysRevC.97.014320
2017AK02 Eur.Phys.J. A 53, 158 (2017) N.V.Aksenov, P.Steinegger, F.Sh.Abdullin, Y.V.Albin, G.A.Bozhikov, V.I.Chepigin, R.Eichler, V.Ya.Lebedev, A.Sh.Madumarov, O.N.Malyshev, O.V.Petrushkin, A.N.Polyakov, Y.A.Popov, A.V.Sabelnikov, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, G.Ya.Starodub, Y.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, A.V.Yeremin, S.N.Dmitriev On the volatility of nihonium (Nh, Z = 113) RADIOACTIVITY 288,289Mc(α)[from 243Am(48Ca, xn)]; measured Nh (Z=113) decay chains using Gas-Filled Recoil Separator with gas-phase chromatographic separation (JINR Dubna); deduced large retention of elemental Nh on teflon surface from non-observation of Nh decays.
doi: 10.1140/epja/i2017-12348-8
2015JI05 Phys.Rev. C 91, 044602 (2015) C.L.Jiang, A.M.Stefanini, H.Esbensen, K.E.Rehm, S.Almaraz-Calderon, M.L.Avila, B.B.Back, D.Bourgin, L.Corradi, S.Courtin, E.Fioretto, F.Galtarossa, A.Goasduff, F.Haas, M.M.Mazzocco, D.Montanari, G.Montagnoli, T.Mijatovic, R.Sagaidak, D.Santiago-Gonzalez, F.Scarlassara, E.E.Strano, S.Szilner Fusion reactions of 58, 64Ni+124Sn NUCLEAR REACTIONS 124Sn(58Ni, X), (64Ni, X), E(cm)=140-165 MeV; measured evaporation residue spectra, fusion σ(E), σ(θ). Coupled-channels calculations to study reaction mechanism. Discussed role of transfer reactions in heavy system, and S-factor maximum. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.91.044602
2015NI09 Phys.Lett. B 748, 89 (2015) K.Nishio, A.N.Andreyev, R.Chapman, X.Derkx, Ch.E.Dullmann, L.Ghys, F.P.Hessberger, K.Hirose, H.Ikezoe, J.Khuyagbaatar, B.Kindler, B.Lommel, H.Makii, I.Nishinaka, T.Ohtsuki, S.D.Pain, R.Sagaidak, I.Tsekhanovich, M.Venhart, Y.Wakabayashi, S.Yan Excitation energy dependence of fragment-mass distributions from fission of 180, 190Hg formed in fusion reactions of 36Ar + 144, 154Sm NUCLEAR REACTIONS 144,154Sm(36Ar, X)180Hg/190Hg, E=148-198 MeV; measured reaction products; deduced fission fragment mass and total kinetic-energy distributions. Comparison with available data.
doi: 10.1016/j.physletb.2015.06.068
2015UT02 Phys.Rev. C 92, 034609 (2015) V.K.Utyonkov, N.T.Brewer, Yu.Ts.Oganessian, K.P.Rykaczewski, F.Sh.Abdullin, S.N.Dmitriev, R.K.Grzywacz, M.G.Itkis, K.Miernik, A.N.Polyakov, J.B.Roberto, R.N.Sagaidak, I.V.Shirokovsky, M.V.Shumeiko, Yu.S.Tsyganov, A.A.Voinov, V.G.Subbotin, A.M.Sukhov, A.V.Sabelnikov, G.K.Vostokin, J.H.Hamilton, M.A.Stoyer, S.Y.Strauss Experiments on the synthesis of superheavy nuclei 284Fl and 285Fl in the 239, 240Pu + 48Ca reactions NUCLEAR REACTIONS 240Pu(48Ca, 3n)285Fl, E=245, 250 MeV; 240Pu(48Ca, 4n)284Fl, E=245, 250 MeV; 239Pu(48Ca, 3n)284Fl, E=245 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α and ER-SF correlated events, σ using DGFRS separator at U400 cyclotron facility of FLNR-JINR. Decay studies. Super heavy nuclei. Systematics of cross sections. RADIOACTIVITY 284Fl(SF), 285Fl(α)[from 239,240Pu(48Ca, xn), E=245, 250 MeV]; 281Cn, 277Ds, 273Hs, 269Sg(α), 265Rf[from 285Fl α decay chain]; measured EER, Eα, ESF, T1/2; deduced Q(α). Systematics of SF half-lives and α-decay energies.
doi: 10.1103/PhysRevC.92.034609
2014SA11 Int.J.Mod.Phys. E23, 1450001 (2014) Effects of beam energy distribution on fusion-evaporation excitation functions NUCLEAR REACTIONS 144Sm(40Ar, X)184Hg, E=205, 270 MeV; 204Pb(12C, X), E=60 MeV; 93Nb(95Mo, Xn)185Bi/186Bi/187Bi, E=420 MeV; 93Nb(95Mo, xnp)184Pb/185Pb/186Pb/187Pb, E<460 MeV; calculated σ. HIVAP code, Monte Carlo TRIM simulation, comparison with available data.
doi: 10.1142/S0218301314500013
2013OG01 Phys.Rev. C 87, 014302 (2013) Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, J.M.Gostic, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Investigation of the 243Am + 48Ca reaction products previously observed in the experiments on elements 113, 115, and 117 NUCLEAR REACTIONS 243Am(48Ca, xn)287Mc/288Mc/289Mc, E=239.8-253.8 MeV; measured evaporation residues (ER), α, and SF fragments, ER-α and ER-SF correlated events, σ at U400 cyclotron facility of FLNR, JINR. 249Bk(48Ca, xn)293Ts/294Ts; 237Np(48Ca, 3n)282Nh; analyzed data. RADIOACTIVITY 287,288,289Mc, 283,284,285Nh, 279,280Rg, 275,276Mt, 271,272Bh(α); 267,268Db, 281Rg(SF); measured T1/2. 293,297Ts, 290Mc, 282,286Nh, 278,282Rg, 274,278Mt, 270,274Bh(α); 266,270Db(SF); analyzed and compared previous half-life data.
doi: 10.1103/PhysRevC.87.014302
2013OG03 Phys.Rev. C 87, 034605 (2013) Yu.Ts.Oganessian, V.K.Utyonkov, F.Sh.Abdullin, S.N.Dmitriev, R.Graeger, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, M.A.Ryabinin, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, K.Subotic, A.M.Sukhov, Yu.S.Tsyganov, A.Turler, A.A.Voinov, G.K.Vostokin, P.A.Wilk, A.Yakushev Synthesis and study of decay properties of the doubly magic nucleus 270Hs in the 226Ra + 48Ca reaction NUCLEAR REACTIONS 226Ra(48Ca, 4n)270Hs, E=229, 234, 241 MeV; measured reaction products, σ(E), ER-α correlations using U400 cyclotron and Dubna gas-filled recoil separator at FLNR, JINR facility. Relatively high production cross section due to high fission barrier arising from nuclear shell effects. RADIOACTIVITY 270Hs(α)[from 226Ra(48Ca, 4n), E=229, 234, 241 MeV]; 266Sg(SF)[from 270Hs α decay]; measured Eα, evaporation residues-α correlations, T1/2. Comparison with previous studies. Systematics of α decay and SF half-lives for N=148-172 No, Rf, Sg, and Hs nuclei.
doi: 10.1103/PhysRevC.87.034605
2013OG04 Phys.Rev. C 87, 054621 (2013) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Experimental studies of the 249Bk+48Ca reaction including decay properties and excitation function for isotopes of element 117, and discovery of the new isotope 277Mt NUCLEAR REACTIONS 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV; measured σ(E) for production of 293,294Ts using DGFRS separator at FLNR, JINR facility. Comparison with theoretical calculations. RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 281,282Rg, 278Mt, 274Bh(α)[from α decay chains of 293Ts and 294Ts formed in 249Bk(48Ca, 3n), (48Ca, 4n), E=243.7, 255.7, 259.8 MeV]; measured Eα, Iα, half-lives. 270Db, 277Mt, 281Rg(SF); measured decay energy, half-lives. 281Rg(α), (SF); measured α/SF branching ratio. 277Mt; identified new isotope. Systematics of Q(α), SF- and α-decay half-lives for isotopes in Z=104-117, N=150-177 regions.
doi: 10.1103/PhysRevC.87.054621
2012OG02 Phys.Rev.Lett. 108, 022502 (2012) Yu.Ts.Oganessian, F.Sh.Abdullin, S.N.Dmitriev, J.M.Gostic, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin New Insights into the 243Am+48Ca Reaction Products Previously Observed in the Experiments on Elements 113, 115, and 117 NUCLEAR REACTIONS 243Am(48Ca, 3n)288Mc, E=240 MeV; 243Am, 249Bk(48Ca, X)289Mc, E not given; measured reaction products. 291Mc, 291Mc, 297Ts; deduced σ. Comparison with other data. RADIOACTIVITY 288Mc, 284Nh, 280Rg, 276Mt, 272Bh(α), 268Db(SF); 289Mc, 285Nh, 281Rg(α); 293Ts, 289Mc, 285Nh, 281Rg(α); measured decay products, Eα, Iα; deduced decay chains, strong support for the elements of 113 and 115.
doi: 10.1103/PhysRevLett.108.022502
2012OG06 Phys.Rev.Lett. 109, 162501 (2012) Yu.Ts.Oganessian, F.Sh.Abdullin, C.Alexander, J.Binder, R.A.Boll, S.N.Dmitriev, J.Ezold, K.Felker, J.M.Gostic, R.K.Grzywacz, J.H.Hamilton, R.A.Henderson, M.G.Itkis, K.Miernik, D.Miller, K.J.Moody, A.N.Polyakov, A.V.Ramayya, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.V.Shumeiko, M.A.Stoyer, N.J.Stoyer, V.G.Subbotin, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin Production and Decay of the Heaviest Nuclei 293, 294117 and 294118 NUCLEAR REACTIONS 249Bk(48Ca, X)293Ts/294Ts, E=247, 252 MeV; 249Cf(48Ca, 3n)294Og, E=245, 251 MeV; measured reaction products, Eα, Iα; deduced average σ, T1/2. Comparison with available data. RADIOACTIVITY 294Og, 293,294Ts, 290Lv, 289,290Mc(α), 286Fl(α), (SF), 285,286Nh(α), 282Cn(SF), 281Rg(SF), 282Rg(α), 278Mt, 274Bh(α), 270Db(SF); measured decay products, Eα, Iα; deduced discovery z=117 element, T1/2, decay branch, Q-values. Comparison with available data.
doi: 10.1103/PhysRevLett.109.162501
2011HA63 J.Phys.:Conf.Ser. 312, 082026 (2011) J.H.Hamilton, Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.Benker, M.E.Bennett, S.N.Dmitriev, J.Ezold, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Tu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Synthesis of the New Element with Z=117 NUCLEAR REACTIONS 249Bk(48Ca, 4n)293Ts, E=252 MeV;249Bk(48Ca, 3n)294Ts, E=252 MeV; measured Eα, α-decay chains, ER, fission fragments; deduced new element 117, T1/2.
doi: 10.1088/1742-6596/312/4/082026
2011OG04 Phys.Rev. C 83, 054315 (2011) Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, R.Taylor, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Eleven new heaviest isotopes of elements Z = 105 to Z = 117 identified among the products of 249Bk+48Ca reactions RADIOACTIVITY 293,294Ts(α)[from 249Bk(48Ca, xn), E=252 MeV]; 274Bh, 278Mt, 282Rg, 286Nh, 290Mc(α) [from α decay chain of 294Ts]; 281Rg, 285Nh, 289Mc(α)[from α decay chain of 293Ts]; 270Db(SF), (α), (EC)[from α decay of 274Bh]; 281Rg(SF)[from α decay of 285Nh]; measured Eα, half-lives and β decay energies of residues; deduced Q(α). Systematics of α decay half-lives, Q(α) values and β+, EC half-lives of Z=106-118, N=150-175, A=260-295 isotopes. NUCLEAR REACTIONS 249Bk(48Ca, xn)293Ts/294Ts, E=252 MeV; measured production cross sections.
doi: 10.1103/PhysRevC.83.054315
2010OG01 Phys.Rev.Lett. 104, 142502 (2010) Yu.Ts.Oganessian, F.Sh.Abdullin, P.D.Bailey, D.E.Benker, M.E.Bennett, S.N.Dmitriev, J.G.Ezold, J.H.Hamilton, R.A.Henderson, M.G.Itkis, Yu.V.Lobanov, A.N.Mezentsev, K.J.Moody, S.L.Nelson, A.N.Polyakov, C.E.Porter, A.V.Ramayya, F.D.Riley, J.B.Roberto, M.A.Ryabinin, K.P.Rykaczewski, R.N.Sagaidak, D.A.Shaughnessy, I.V.Shirokovsky, M.A.Stoyer, V.G.Subbotin, R.Sudowe, A.M.Sukhov, Yu.S.Tsyganov, V.K.Utyonkov, A.A.Voinov, G.K.Vostokin, P.A.Wilk Synthesis of a New Element with Atomic Number Z = 117 NUCLEAR REACTIONS 249Bk(48Ca, 4n), E=252 MeV; 249Bk(48Ca, 3n) , E=247 MeV;measured Eα, Iα, α-α correlations. 293,294Ts; deduced σ, decay chains, T1/2. RADIOACTIVITY 293,294Ts, 289,290Mc, 285,286Nh, 282Rg, 278Mt, 274Bh(α); measured Eα, Iα, and half-lives. 270Db, 281Rg(SF); measured TKE, and T1/2.
doi: 10.1103/PhysRevLett.104.142502
2010WI14 Nucl.Instrum.Methods Phys.Res. B268, 28 (2010) D.Wittwer, F.Sh.Abdullin, N.V.Aksenov, Yu.V.Albin, G.A.Bozhikov, S.N.Dmitriev, R.Dressler, R.Eichler, H.W.Gaggeler, R.A.Henderson, S.Hubener, J.M.Kenneally, V.Ya.Lebedev, Yu.V.Lobanov, K.J.Moody, Yu.Ts.Oganessian, O.V.Petrushkin, A.N.Polyakov, D.Piguet, P.Rasmussen, R.N.Sagaidak, A.Serov, I.V.Shirokovsky, D.A.Shaughnessy, S.V.Shishkin, A.M.Sukhov, M.A.Stoyer, N.J.Stoyer, E.E.Tereshatov, Yu.S.Tsyganov, V.K.Utyonkov, G.K.Vostokin, M.Wegrzecki, P.A.Wilk Gas phase chemical studies of superheavy elements using the Dubna gas-filled recoil separator - Stopping range determination RADIOACTIVITY 289Fl, 285Cn(α) [from 244Pu(48Ca, 3n)289Fl, E=265 MeV]; measured decay products, Eα, Iα; deduced α-decay chains.
doi: 10.1016/j.nimb.2009.09.062
2009OG02 Phys.Rev. C 79, 024603 (2009) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, S.N.Dmitriev, R.A.Henderson, K.J.Moody, J.M.Kenneally, J.H.Landrum, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Attempt to produce element 120 in the 244Pu+58Fe reaction NUCLEAR REACTIONS 244Pu(58Fe, xn)298120/299120, E=330.4 MeV;measured α-particle spectra, (evaporation residues)α-coin, and upper limit of production cross section for Z=120 element. No decay chains for 298120 and 299120 were observed.
doi: 10.1103/PhysRevC.79.024603
2009SA19 Phys.Rev. C 79, 054613 (2009) Fission barriers for Po nuclei produced in complete fusion reactions with heavy ions NUCLEAR REACTIONS 186,188,190,192Os(16O, X), (18O, X)202Po/204Po/206Po, 208Po/210Po, E not given; 94,96,98,100Mo(100Mo, X)194Po/196Po/198Po/200Po, E not given; 140Ce(58Fe, X)198Po, E not given; 142Nd(52Cr, X)190Po/191Po/192Po, E not given; 142Nd(58Cr, X)194Po, E not given; 168Er(34S, X)202Po, E not given; 169Tm(31P, X)200Po, E not given; 175Lu(27Al, X)202Po, E not given; analyzed σ, evaporation residues, fission excitation functions, macroscopic fusion barriers, reduced σ and fusion probability functions of compound nuclei formed in fusion reactions using standard statistical model.
doi: 10.1103/PhysRevC.79.054613
2008ST19 Phys.Rev. C 78, 044607 (2008) A.M.Stefanini, G.Montagnoli, R.Silvestri, S.Beghini, L.Corradi, S.Courtin, E.Fioretto, B.Guiot, F.Haas, D.Lebhertz, N.Marginean, P.Mason, F.Scarlassara, R.N.Sagaidak, S.Szilner Fusion of the positive Q-value system 36S + 48Ca well below the Coulomb barrier NUCLEAR REACTIONS 48Ca(36S, X), E(cm)=36.9-62 MeV; measured σ. Comparison with coupled-channel calculations using Woods-Saxon potentials.
doi: 10.1103/PhysRevC.78.044607
2007KN02 Phys.Rev. C 75, 064602 (2007) G.N.Knyazheva, E.M.Kozulin, R.N.Sagaidak, A.Yu.Chizhov, M.G.Itkis, N.A.Kondratiev, V.M.Voskressensky, A.M.Stefanini, B.R.Behera, L.Corradi, E.Fioretto, A.Gadea, A.Latina, S.Szilner, M.Trotta, S.Beghini, G.Montagnoli, F.Scarlassara, F.Haas, N.Rowley, P.R.S.Gomes, A.Szanto de Toledo Quasifission processes in 40, 48Ca+144, 154Sm reactions NUCLEAR REACTIONS 144Sm(40Ca, F), 140 MeV; 154Sm(40Ca, F), E=141 MeV; 154Sm(48Ca, F), E=137 MeV; 186W(16O, F), E=69.9 MeV; measured σ, mass, energy, and angular distribution of fission fragments. Deduced fission and quasifission cross sections.
doi: 10.1103/PhysRevC.75.064602
2007LO11 Eur.Phys.J. A 32, 245 (2007) A.Lopez-Martens, K.Hauschild, A.V.Yeremin, O.Dorvaux, A.V.Belozerov, Ch.Briancon, M.L.Chelnokov, V.I.Chepigin, D.Curien, P.Desesquelles, B.Gall, V.A.Gorshkov, M.Guttormsen, F.Hanappe, A.P.Kabachenko, F.Khalfallah, A.Korichi, A.C.Larsen, O.N.Malyshev, A.Minkova, Yu.Ts.Oganessian, A.G.Popeko, M.Rousseau, N.Rowley, R.N.Sagaidak, S.Sharo, A.V.Shutov, S.Siem, L.Stuttge, A.I.Svirikhin, N.U.H.Syed, Ch.Theisen Isomeric states in 253No NUCLEAR REACTIONS 207Pb(48Ca, 2n), E∼217 MeV; measured Eα, Eγ, E(ce) with the Gabriela detector. 253No deduced levels, J, π, configurations. RADIOACTIVITY 253No(α) [from 207Bi(48Ca, 2n) and subsequent decay]; measured Eα, Eγ, E(ce), αγ-, α(ce)-coin, T1/2. 253No deduced levels, J, π, configurations.
doi: 10.1140/epja/i2007-10391-8
2007OG02 Phys.Rev. C 76, 011601 (2007) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, G.K.Vostokin, M.G.Itkis, R.A.Henderson, J.M.Kenneally, J.H.Landrum, K.J.Moody, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk Synthesis of the isotope 282113 in the 237Np+48Ca fusion reaction NUCLEAR REACTIONS 237Np(48Ca, 3n)282Nh, E=244 MeV; measured Eα, production cross section and T1/2.
doi: 10.1103/PhysRevC.76.011601
2007SA42 Eur.Phys.J. D 45, 59 (2007) Production cross sections for the heaviest nuclei in complete fusion reactions induced by heavy ions
doi: 10.1140/epjd/e2007-00160-3
2007SA45 Phys.Rev. C 76, 034605 (2007) R.N.Sagaidak, S.P.Tretyakova, S.V.Khlebnikov, A.A.Ogloblin, N.Rowley, W.H.Trzaska Nuclear potentials for sub-barrier fusion and cluster decay in 14C, 18O+208Pb systems NUCLEAR REACTIONS 208Pb(14C, X), (18O, X), E < 100 MeV; analyzed fission cross sections and near barrier fusion excitation functions using the barrier-passing model. Deduced barrier penetrabilities and ground state cluster decay probabilities.
doi: 10.1103/PhysRevC.76.034605
2007TR06 Nucl.Phys. A787, 134c (2007) M.Trotta, A.M.Stefanini, S.Beghini, B.R.Behera, L.Corradi, E.Fioretto, A.Gadea, M.G.Itkis, G.N.Knyazheva, N.A.Kondratiev, E.M.Kozulin, N.Marginean, P.Mason, G.Montagnoli, I.V.Pokrovsky, R.N.Sagaidak, F.Scarlassara, R.Silvestri, S.Szilner An overview of near-barrier fusion studies with stable beams NUCLEAR REACTIONS 90,94,96Zr(40Ca, X), (48Ca, X), E(cm)≈100-200 MeV; analyzed fusion σ(E). 154Sm(48Ca, X), E=182, 202 MeV; analyzed fission like fragment mass distribution, σ(θ); 186W(16O, X), E=170-192 MeV; analyzed quasi fission σ. 144Sm(48Ca, X), E=182, 202 MeV; analyzed σ(θ) for fission like fragments. Sub-barrier enhancement, hindrance, barrier distribution and fusion vs quasi-fission discussed. Coupled channel model.
doi: 10.1016/j.nuclphysa.2006.12.024
2006LO12 Phys.Rev. C 74, 044303 (2006) A.Lopez-Martens, K.Hauschild, A.V.Yeremin, A.V.Belozerov, Ch.Briancon, M.L.Chelnokov, V.I.Chepigin, D.Curien, O.Dorvaux, B.Gall, V.A.Gorshkov, M.Guttormsen, F.Hanappe, A.P.Kabachenko, F.Khalfallah, A.Korichi, A.C.Larsen, O.N.Malyshev, A.Minkova, Yu.Ts.Oganessian, A.G.Popeko, M.Rousseau, N.Rowley, R.N.Sagaidak, S.Sharo, A.V.Shutov, S.Siem, A.I.Svirikhin, N.U.H.Syed, Ch.Theisen Detailed spectroscopy of 249Fm RADIOACTIVITY 253No(α) [from 207Pb(48Ca, 2n)]; measured Eα, Eγ, αγ-coin. 249Fm deduced levels, J, π, ICC, configurations. Level systematics in neighboring isotones discussed.
doi: 10.1103/PhysRevC.74.044303
2006OG05 Phys.Rev. C 74, 044602 (2006) Yu.Ts.Oganessian, V.K.Utyonkov, Yu.V.Lobanov, F.Sh.Abdullin, A.N.Polyakov, R.N.Sagaidak, I.V.Shirokovsky, Yu.S.Tsyganov, A.A.Voinov, G.G.Gulbekian, S.L.Bogomolov, B.N.Gikal, A.N.Mezentsev, S.Iliev, V.G.Subbotin, A.M.Sukhov, K.Subotic, V.I.Zagrebaev, G.K.Vostokin, M.G.Itkis, K.J.Moody, J.B.Patin, D.A.Shaughnessy, M.A.Stoyer, N.J.Stoyer, P.A.Wilk, J.M.Kenneally, J.H.Landrum, J.F.Wild, R.W.Lougheed Synthesis of the isotopes of elements 118 and 116 in the 249Cf and 245Cm + 48Ca fusion reactions NUCLEAR REACTIONS 245Cm(48Ca, 2n), (48Ca, 3n), E=249, 255 MeV; 249Cf(48Ca, 3n), E=251 MeV; measured Eα, αα-coin, fission fragment spectra following residual nucleus decay; deduced σ. RADIOACTIVITY 294Og, 290,291Lv, 286,287Fl, 283Cn, 279Ds, 275Hs, 271Sg(α) [from 245Cm, 249Cf(48Ca, xn) and subsequent decay]; measured Eα, T1/2. 282Cn, 267Rf(SF) [from α-decay of 286Rf and 271Sg]; measured fission fragment spectra, T1/2.
doi: 10.1103/PhysRevC.74.044602
2005CO02 Phys.Rev. C 71, 014609 (2005) L.Corradi, B.R.Behera, E.Fioretto, A.Gadea, A.Latina, A.M.Stefanini, S.Szilner, M.Trotta, Y.Wu, S.Beghini, G.Montagnoli, F.Scarlassara, R.N.Sagaidak, S.N.Atutov, B.Mai, G.Stancari, L.Tomassetti, E.Mariotti, A.Khanbekyan, S.Veronesi Excitation functions for 208-211Fr produced in the 18O + 197Au fusion reaction NUCLEAR REACTIONS 197Au(18O, 4n), (18O, 5n), (18O, 6n), (18O, 7n), E=75-130 MeV; measured delayed Eα, excitation functions. Comparison with model predictions.
doi: 10.1103/PhysRevC.71.014609
2005FA17 Phys.Rev. C 72, 064614 (2005) G.Fazio, G.Giardina, G.Mandaglio, R.Ruggeri, A.I.Muminov, A.K.Nasirov, Yu.Ts.Oganessian, A.G.Popeko, R.N.Sagaidak, A.V.Yeremin, S.Hofmann, F.Hanappe, C.Stodel Strong influence of the entrance channel on the formation of compound nuclei 216, 222Th* and their evaporation residues NUCLEAR REACTIONS 176Hf(40Ar, X), 130,136Xe(86Kr, X), 92Zr(124Sn, X), 174Yb(48Ca, X), E* ≈ 10-100 MeV; calculated capture and complete fusion σ; analyzed evaporation residue σ, related data; deduced entrance channel effects.
doi: 10.1103/PhysRevC.72.064614
2005ST04 Eur.Phys.J. A 23, 473 (2005) A.M.Stefanini, M.Trotta, B.R.Behera, L.Corradi, E.Fioretto, A.Gadea, A.Latina, S.Szilner, Y.W.Wu, S.Beghini, G.Montagnoli, F.Scarlassara, A.Yu.Chizhov, I.M.Itkis, N.A.Kondratiev, I.V.Pokrovsky, R.N.Sagaidak, G.N.Kniajeva, E.M.Kozulin, V.M.Voskressensky, S.Courtin, F.Haas, N.Rowley Fusion-evaporation cross-sections for 48Ca + 154Sm near the Coulomb barrier: Evidence for fusion enhancement and hindrance NUCLEAR REACTIONS 154Sm(48Ca, X), E(cm)=125-168 MeV; measured evaporation residue σ; deduced capture σ, sub-barrier fusion enhancement. Coupled-channels analysis.
doi: 10.1140/epja/i2004-10109-6
2005TR14 Eur.Phys.J. A 25, Supplement 1, 615 (2005) M.Trotta, A.M.Stefanini, S.Beghini, B.R.Behera, A.Yu.Chizhov, L.Corradi, S.Courtin, E.Fioretto, A.Gadea, P.R.S.Gomes, F.Haas, I.M.Itkis, M.G.Itkis, G.N.Kniajeva, N.A.Kondratiev, E.M.Kozulin, A.Latina, G.Montagnoli, I.V.Pokrovsky, N.Rowley, R.N.Sagaidak, F.Scarlassara, A.Szanto de Toledo, S.Szilner, V.M.Voskressensky, Y.W.Wu Fusion hindrance and quasi-fission in 48Ca induced reactions: Implications for super-heavy element production NUCLEAR REACTIONS 154Sm(48Ca, X), E(cm) ≈ 120-200 MeV; 186W(16O, X), E(cm) ≈ 60-100 MeV; measured capture, evaporation, fission σ; deduced fusion hindrance features. 144,154Sm(48Ca, X), 154Sm(40Ca, X), E* ≈ 50 MeV; measured fission fragment kinetic energy and mass distributions; deduced mass-asymmetry and shell effects.
doi: 10.1140/epjad/i2005-06-084-2
2005YE02 Nucl.Instrum.Methods Phys.Res. A539, 441 (2005) A.V.Yeremin, A.V.Belozerov, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, A.P.Kabachenko, O.N.Malyshev, A.G.Popeko, R.N.Sagaidak, A.V.Shutov, E.A.Sokol, A.I.Svirikhin Neutron detector at the focal plane of the set up VASSILISSA RADIOACTIVITY 252No(SF) [from 206Pb(48Ca, 2n)]; measured fission fragments spectra, prompt neutron multiplicity. Recoil separator.
doi: 10.1016/j.nima.2004.09.043
2004AC04 Eur.Phys.J. A 20, 151 (2004) D.Ackermann, S.Antalic, M.Axiotis, D.Bazzacco, S.Beghini, G.Berek, L.Corradi, G.De Angelis, E.Farnea, A.Gadea, F.P.Hessberger, S.Hofmann, M.G.Itkis, G.N.Kniajeva, E.M.Kozulin, A.Latina, T.Martinez, R.Menegazzo, G.Montagnoli, G.Munzenberg, Yu.Ts.Oganessian, C.Rossi Alvarez, M.Ruan, R.N.Sagaidak, F.Scarlassara, A.M.Stefanini, S.Szilner, M.Trotta, C.Ur Reaction mechanism studies using the CN/ER spin distribution
doi: 10.1140/epja/i2002-10341-0
2004IT05 Nucl.Phys. A734, 136 (2004) M.G.Itkis, J.Aysto, S.Beghini, A.A.Bogachev, L.Corradi, O.Dorvaux, A.Gadea, G.Giardina, F.Hanappe, I.M.Itkis, M.Jandel, J.Kliman, S.V.Khlebnikov, G.N.Kniajeva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, A.Latina, T.Materna, G.Montagnoli, Yu.Ts.Oganessian, I.V.Pokrovsky, E.V.Prokhorova, N.Rowley, V.A.Rubchenya, A.Ya.Rusanov, R.N.Sagaidak, F.Scarlassara, A.M.Stefanini, L.Stuttge, S.Szilner, M.Trotta, W.H.Trzaska, D.N.Vakhtin, A.M.Vinodkumar, V.M.Voskresensky, V.I.Zagrebaev Shell effects in fission and quasi-fission of heavy and superheavy nuclei NUCLEAR REACTIONS 204Pb(12C, X), 144,154Sm, 168Er, 208Pb, 238U, 244Pu, 248Cm(48Ca, X), 208Pb, 244Pu, 248Cm(58Fe, X), 186W, 242Pu(64Ni, X), E* ≈ 30-50 MeV; calculated fission fragment kinetic energy and mass distributions, neutron and γ multiplicities; deduced shell effects in fission and quasi-fission processes.
doi: 10.1016/j.nuclphysa.2004.01.022
2004MA01 Nucl.Instrum.Methods Phys.Res. A516, 529 (2004) O.N.Malyshev, A.V.Yeremin, A.G.Popeko, A.V.Belozerov, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, S.Hofmann, M.G.Itkis, A.P.Kabachenko, Yu.Ts.Oganessian, R.N.Sagaidak, S.Saro, A.V.Shutov, A.I.Svirikhin In-beam separation and mass determination of superheavy nuclei. Part II NUCLEAR REACTIONS 174Yb(48Ca, 5n), (48Ca, 6n), (48Ca, 4nα), E=216 MeV; 198Pt(48Ca, 4n), E=215 MeV; 206,208Pb(48Ca, 2n), E ≈ 218 MeV; 238U(48Ca, 3n), E=234 MeV; measured evaporation residue charge state distributions. Recoil-decay tagging, mass separator.
doi: 10.1016/j.nima.2003.08.118
2004OG02 Eur.Phys.J. A 19, 3 (2004) Yu.Ts.Oganessian, A.V.Yeremin, A.G.Popeko, O.N.Malyshev, A.V.Belozerov, G.V.Buklanov, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, S.Hofmann, M.G.Itkis, A.P.Kabachenko, B.Kindler, G.Munzenberg, R.N.Sagaidak, S.Saro, H.-J.Schott, B.Streicher, A.V.Shutov, A.I.Svirikhin, G.K.Vostokin Second experiment at VASSILISSA separator on the synthesis of the element 112 NUCLEAR REACTIONS 238U(48Ca, 3n), E ≈ 232 MeV; measured production σ. Mass separator, recoil-decay tagging. RADIOACTIVITY 283Cn(SF) [from 238U(48Ca, 3n)]; measured T1/2.
doi: 10.1140/epja/i2003-10113-4
2004OG06 Nucl.Phys. A734, 196 (2004) Yu.Ts.Oganessian, A.V.Yeremin, A.G.Popeko, O.N.Malyshev, A.V.Belozerov, G.Buklanov, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, S.Hofmann, M.G.Itkis, A.P.Kabachenko, B.Kindler, G.Munzenberg, R.N.Sagaidak, S.Saro, H.-J.Schott, B.Streicher, A.V.Shutov, A.I.Svirikhin, G.K.Vostokin In-Flight Separation and Mass Selection of Heavy Evaporation Residues NUCLEAR REACTIONS 238U(48Ca, 3n), E=234 MeV; measured production σ. Mass separator. RADIOACTIVITY 283Cn(SF) [from 238U(48Ca, 3n)]; measured T1/2. Mass-separated source.
doi: 10.1016/j.nuclphysa.2004.01.033
2004OG08 Nucl.Phys. A738, 313 (2004) A.A.Ogloblin, S.P.Tretyakova, R.N.Sagaidak, S.A.Goncharov, G.A.Pik-Pichak Cluster radioactivity and inverse processes RADIOACTIVITY 220Ra(12C); 224Th(16O); calculated cluster-decay potentials, fission-like and α-decay-like mechanisms. NUCLEAR REACTIONS 208Pb(12C, X), (16O, X), (22Ne, X), 58Ni(58Ni, X), E not given; analyzed fusion potential features.
doi: 10.1016/j.nuclphysa.2004.04.052
2004TR08 Nucl.Phys. A734, 245 (2004) M.Trotta, A.M.Stefanini, L.Corradi, E.Fioretto, A.Gadea, S.Szilner, S.Beghini, G.Montagnoli, F.Scarlassara, A.Yu.Chizhov, I.M.Itkis, G.N.Kniajeva, E.M.Kozulin, N.A.Kondratiev, I.V.Pokrovsky, R.N.Sagaidak, V.M.Voskressensky, S.Courtin, O.Dorvaux, F.Haas, N.Rowley Fusion of 48Ca + 154Sm near the Coulomb barrier: enhancement vs. suppression NUCLEAR REACTIONS 154Sm(48Ca, X), E(cm)=125-160 MeV; measured fusion and evaporation residue σ; deduced reaction mechanism features. Comparison with previous results.
doi: 10.1016/j.nuclphysa.2004.01.045
2004TR09 Nucl.Phys. A734, E33 (2004) S.P.Tretyakova, A.A.Ogloblin, R.N.Sagaidak, S.V.Khlebnikov, W.Trzaska Study of nucleus-nucleus potential by combined measurement of deep sub-barrier fusion and cluster decay NUCLEAR REACTIONS 208Pb(16O, X), E(cm)=60-85 MeV; analyzed fusion, fission, and evaporation residue σ, barrier distributions; deduced nucleus-nucleus potential features. Use of cluster-decay data discussed.
doi: 10.1016/j.nuclphysa.2004.03.013
2004TR10 Nucl.Phys. A738, 487 (2004) S.P.Tretyakova, A.A.Ogloblin, R.N.Sagaidak, W.Trzaska, S.V.Khlebnikov, R.Julin, J.Perkowski Study of extremely deep subbarrier 22Ne + 208Pb fusion-fission and evidence for alpha-decay-like mechanism of 230U cluster radioactivity NUCLEAR REACTIONS 208Pb(22Ne, F), E=90-145 MeV; measured fission σ; deduced nuclear potential features. 230U deduced cluster decay mechanism.
doi: 10.1016/j.nuclphysa.2004.04.093
2004TR11 Prog.Theor.Phys.(Kyoto), Suppl. 154, 37 (2004) M.Trotta, A.M.Stefanini, B.R.Behera, L.Corradi, E.Fioretto, A.Gadea, S.Szilner, Y.W.Wu, S.Beghini, G.Montagnoli, F.Scarlassara, A.Yu.Chizhov, I.M.Itkis, G.N.Kniajeva, N.A.Kondratiev, E.M.Kozulin, I.V.Pokrovsky, R.N.Sagaidak, V.M.Voskressensky, F.Haas, N.Rowley Fusion Hindrance and Quasi-Fission in 48Ca Induced Reactions NUCLEAR REACTIONS 168Er(48Ca, F), E=195 MeV; measured fission fragment angular distributions; 154Sm(48Ca, X), E=163-252 MeV; measured evaporation residue σ, σ(θ); 144,154Sm(48Ca, F), E* ≈ 49 MeV; measured fission fragment mass and kinetic energy distributions; deduced reaction mechanism features. Comparisons with model predictions.
doi: 10.1143/PTPS.154.37
2003BE18 Eur.Phys.J. A 16, 447 (2003) A.V.Belozerov, M.L.Chelnokov, V.I.Chepigin, T.P.Drobina, V.A.Gorshkov, A.P.Kabachenko, O.N.Malyshev, I.M.Merkin, Yu.Ts.Oganessian, A.G.Popeko, R.N.Sagaidak, A.I.Svirikhin, A.V.Yeremin, G.Berek, I.Brida, S.Saro Spontaneous-fission decay properties and production cross-sections for the neutron-deficient nobelium isotopes formed in the 44, 48Ca + 204, 206, 208Pb reactions NUCLEAR REACTIONS 208Pb(44Ca, 2n), (44Ca, 3n), (48Ca, 2n), (48Ca, 3n), (48Ca, 4n), E ≈ 200-240 MeV; 206Pb(48Ca, n), (48Ca, 2n), (48Ca, 3n), (48Ca, 4n), E ≈ 200-240 MeV; 204Pb(48Ca, 2n), (48Ca, 3n), E ≈ 200-240 MeV; measured σ. Mass separator, comparison with previous results and statistical model predictions. RADIOACTIVITY 248,249,250,252No(SF), (α) [from 204,206,208Pb(44,46,48Ca, xn)]; measured fission T1/2, α-branching ratios. Comparison with model predictions.
doi: 10.1140/epja/i2002-10109-6
2003CH04 Phys.Rev. C 67, 011603 (2003) A.Yu.Chizhov, M.G.Itkis, I.M.Itkis, G.N.Kniajeva, E.M.Kozulin, N.A.Kondratiev, I.V.Pokrovsky, R.N.Sagaidak, V.M.Voskresensky, A.V.Yeremin, L.Corradi, A.Gadea, A.Latina, A.M.Stefanini, S.Szilner, M.Trotta, A.M.Vinodkumar, S.Beghini, G.Montagnoli, F.Scarlassara, A.Ya.Rusanov, F.Hanappe, O.Dorvaux, N.Rowley, L.Stuttge Unexpected entrance-channel effect in the fission of 216Ra NUCLEAR REACTIONS 204Pb(12C, X), E=56-90 MeV; 168Er(48Ca, X), E=180-208 MeV; measured fission fragment energy and mass distributions; deduced contributions from asymmetric fission, role of quasifission process.
doi: 10.1103/PhysRevC.67.011603
2003OG07 Acta Phys.Hung.N.S. 18, 339 (2003) A.A.Ogloblin, S.P.Tretyakova, R.N.Sagaidak Some Proposals of New Experiments on Cluster Radioactivity RADIOACTIVITY 220Ra(12C); calculated decay potential, T1/2. 112Ba(12C), (α), (β+); calculated Q-values, T1/2. Proposals for experiments discussed. NUCLEAR REACTIONS 58Ni(58Ni, 4n), (58Ni, 2n), E ≈ 190-350 MeV; calculated excitation functions.
doi: 10.1556/APH.18.2003.2-4.37
2003PO06 Yad.Fiz. 66, 1234 (2003); Phys.Atomic Nuclei 66, 1198 (2003) I.V.Pokrovsky, A.Yu.Chizhov, M.G.Itkis, I.M.Itkis, G.N.Kniajeva, E.M.Kozulin, N.A.Kondratiev, R.N.Sagaidak, V.M.Voskressensky, L.Corradi, A.M.Stefanini, M.Trotta, A.M.Vinodkumar, S.Beghini, G.Montagnoli, F.Scarlassara, A.Ya.Rusanov, F.Hanappe, O.Dorvaux, N.Rowley, L.Stuttge The Effect of the Entrance Channel on the Fission of 216Ra NUCLEAR REACTIONS 204Pb(12C, X), E=73 MeV; 168Er(48Ca, X), E=194 MeV; measured fission fragment energy and mass distributions; deduced entrance channel effects.
doi: 10.1134/1.1586437
2003PO08 Nucl.Instrum.Methods Phys.Res. A510, 371 (2003) A.G.Popeko, O.N.Malyshev, A.V.Yeremin, A.V.Belozerov, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, M.G.Itkis, A.P.Kabachenko, Yu.Ts.Oganessian, R.N.Sagaidak, A.V.Shutov, A.I.Svirikhin In-beam separation and mass determination of superheavy nuclei. Part I NUCLEAR REACTIONS 164Dy(40Ar, 6n), E not given; 208Pb(40Ar, 2n), E not given; measured fragment yields. 204Pb(48Ca, X), 208Pb(44Ca, X), E not given; measured (recoil)(decay)-coin; deduced evidence for 249,250No. RADIOACTIVITY 249,250No [from 204Pb(48Ca, X), 208Pb(44Ca, X)]; measured T1/2.
doi: 10.1016/S0168-9002(03)01823-0
2003SA21 Phys.Rev. C 68, 014603 (2003) R.N.Sagaidak, G.N.Kniajeva, I.M.Itkis, M.G.Itkis, N.A.Kondratiev, E.M.Kozulin, I.V.Pokrovsky, A.I.Svirikhin, V.M.Voskressensky, A.V.Yeremin, L.Corradi, A.Gadea, A.Latina, A.M.Stefanini, S.Szilner, M.Trotta, A.M.Vinodkumar, S.Beghini, G.Montagnoli, F.Scarlassara, D.Ackermann, F.Hanappe, N.Rowley, L.Stuttge Fusion suppression in mass-asymmetric reactions leading to Ra compound nuclei NUCLEAR REACTIONS 204,206,208Pb(12C, X), 168,170Er(48Ca, X), 197Au(19F, X), 186W(30Si, X), E* ≈ 20-90 MeV; measured fusion and fission excitation functions; deduced role of quasifission processes in fusion supression.
doi: 10.1103/PhysRevC.68.014603
2003YE02 Yad.Fiz. 66, 1078 (2003); Phys.Atomic Nuclei 66, 1042 (2003) A.V.Yeremin, A.V.Belozerov, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, A.P.Kabachenko, O.N.Malyshev, Yu.Ts.Oganessian, A.G.Popeko, R.N.Sagaidak, A.I.Svirikhin, S.Hofmann, G.Berek, I.Brida, S.Saro The Upgrade of the Kinematic Separator VASSILISSA-Experimental Results and Plans NUCLEAR REACTIONS 208Pb(16O, xn), 197Au, 208Pb, 232Th(20Ne, xn), 190Os, 194,196,198Pt, 197Au, 205Tl, 208Pb, 209Bi, 232Th, 236,238U(22Ne, xn), 181Ta, 197Au, 208Pb(24Mg, xn), 181Ta, 197Au, 207,208Pb, 232Th(26Mg, xn), 175Lu, 197Au, 232Th, 238U(27Al, xn), 169Tm, 181Ta, 232Th(31P, xn), 175Lu(35Cl, xn), 159Tb, 165Ho, 182W(40Ar, xn), 151,153Eu, 159Tb(40Ca, xn), 208Pb(44Ca, xn), 174,176Yb, 204,206,208Pb, 232Th, 239U, 242Pu(48Ca, xn), E*=20-140 MeV; measured excitation functions; deduced maximum σ. RADIOACTIVITY 249,250No(α), (SF); measured T1/2, α-branching ratio. 248No(α); measured T1/2 lower limit.
doi: 10.1134/1.1586416
2002OG07 Part. and Nucl., Lett. 110, 5 (2002) Yu.Ts.Oganessian, A.V.Yeremin, A.V.Belozerov, G.Berek, I.Brida, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, A.P.Kabachenko, S.P.Korotkov, O.N.Malyshev, A.G.Popeko, L.A.Rubinskaya, R.N.Sagaidak, E.M.Smirnova, A.I.Svirikhin Kinematic Separation and Mass Analysis of Heavy Recoiling Nuclei NUCLEAR REACTIONS 238U, 232Th, 242Pu(48Ca, 3n), E ≈ 230 MeV; measured σ. 164Dy(40Ar, 7n), E=190-210 MeV; measured evaporation residue yields, charge states. Mass separator.
2000MA65 Eur.Phys.J. A 8, 295 (2000) O.N.Malyshev, A.V.Belozerov, M.L.Chelnokov, V.I.Chepigin, V.A.Gorshkov, A.P.Kabachenko, A.P.Popeko, J.Rohac, R.N.Sagaidak, A.V.Yeremin, S.I.Mulgin, S.V.Zhdanov The New Isotope 217U NUCLEAR REACTIONS 182W(40Ar, 5n), E=193 MeV; measured σ. RADIOACTIVITY 217U(α) [from 182W(40Ar, 5n)]; measured Eα, T1/2. Comparison with neighboring nuclei.
doi: 10.1007/s100500070082
1999BO52 Yad.Fiz. 62, No 11, 1931 (1999); Phys.Atomic Nuclei 62, 1794 (1999) D.D.Bogdanov, M.Veselsky, A.V.Yeremin, A.P.Kabachenko, O.N.Malyshev, Yu.A.Muzychka, B.I.Pustylnik, A.G.Popeko, R.N.Sagaidak, G.M.Ter-Akopian, V.I.Chepigin Cross Sections for the Production of Pa, Th, and Ac Isotopes in the Decays of Highly Excited Compound Nuclei 221, 223, 225, 227Pa Formed in Reactions Featuring 20, 22Ne and 24, 26Mg Ions NUCLEAR REACTIONS 197Au(24Mg, X)217Pa/216Pa/215Pa/217Th/216Th/215Th/214Th/213Th/214Ac/213Ac/212Ac/211Ac/210Ac, E<176 MeV; 197Au(26Mg, X)218Pa/217Pa/217Th/216Th/216Ac/215Ac/214Ac/213Ac, E<164 MeV; 205Tl(22Ne, X)224Pa/223Pa/222Pa/221Pa/223Th/222Th/221Th/221Ac/220Ac/219Ac, E<145 MeV; measured residual production σ; calculated residual production σ. Statistical Model calculations, VASILISA separator. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0231. 1999OG02 Acta Phys.Slovaca 49, 65 (1999) Yu.Ts.Oganessian, A.V.Yeremin, V.I.Chepigin, M.G.Itkis, A.P.Kabachenko, O.Konstantinesky, M.Konstantinesky, O.N.Malyshev, A.G.Popeko, J.Rohac, R.N.Sagaidak, I.V.Shirokovsky, V.K.Utyonkov, S.Hofmann, G.Munzenberg, M.Veselsky, S.Saro, N.Iwasa, K.Morita, A.Yoneda, M.Hussonnois Experiments on the Synthesis of Superheavy Elements with Z = 110, 112 via 232Th, 238U + 48Ca Reactions NUCLEAR REACTIONS 232Th(48Ca, X), E=260 MeV; 238U(48Ca, X), E=231, 238 MeV measured residuals α-decay, spontaneous fission; deduced evidence for 277Ds, 283Cn. 283Cn deduced T1/2.
1999OG05 Eur.Phys.J. A 5, 63 (1999) Yu.Ts.Oganessian, A.V.Yeremin, G.G.Gulbekian, S.L.Bogomolov, V.I.Chepigin, B.N.Gikal, V.A.Gorshkov, M.G.Itkis, A.P.Kabachenko, V.B.Kutner, A.Yu.Lavrentev, O.N.Malyshev, A.G.Popeko, J.Rohac, R.N.Sagaidak, S.Hofmann, G.Munzenberg, M.Veselsky, S.Saro, N.Iwasa, K.Morita Search for New Isotopes of Element 112 by Irradiation of 238U with 48Ca NUCLEAR REACTIONS 238U(48Ca, X), E=231, 238 MeV; measured Eα, fission products kinetic energy following residual decay; deduced evidence for 283Cn.
doi: 10.1007/s100500050257
1999OG07 Nature(London) 400, 242 (1999) Yu.Ts.Oganessian, A.V.Yeremin, A.G.Popeko, S.L.Bogomolov, G.V.Buklanov, M.L.Chelnokov, V.I.Chepigin, B.N.Gikal, V.A.Gorshkov, G.G.Gulbekian, M.G.Itkis, A.P.Kabachenko, A.Yu.Lavrentev, O.N.Malyshev, J.Rohac, R.N.Sagaidak, S.Hofmann, S.Saro, G.Giardina, K.Morita Synthesis of Nuclei of the Superheavy Element 114 in Reactions Induced by 48Ca NUCLEAR REACTIONS 242Pu(48Ca, 3n), E=235 MeV; measured residual nucleus decay; deduced production σ. Mass separator. RADIOACTIVITY 287Fl(α) [from 242Pu(48Ca, 3n)]; measured Eα, T1/2. 283Cn(SF); measured T1/2.
doi: 10.1038/22281
1999OG08 Acta Phys.Pol. B30, 1557 (1999) Yu.Ts.Oganessian, A.V.Yeremin, R.N.Sagaidak, O.N.Malyshev, A.G.Popeko, A.P.Kabachenko, V.I.Chepigin, J.Rohac, V.A.Gorshkov, A.Yu.Lavrentev, M.G.Itkis, G.G.Gulbekian, B.N.Gikal, A.V.Tikhomirov, V.B.Kutner, S.L.Bogomolov FLNR JINR Experiments on Synthesis of Superheavy Nuclei with 48Ca Beam NUCLEAR REACTIONS 232Th(48Ca, 3n), (48Ca, 4n), E=255 MeV; 238U(48Ca, 3n), (48Ca, 4n), E=264 MeV; measured production σ. Superheavy elements. RADIOACTIVITY 283Cn(SF); measured T1/2, total SF kinetic energy.
1998BO14 Yad.Fiz. 61, No 5, 808 (1998); Phys.Atomic Nuclei 61, 727 (1998) D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, Yu.A.Muzichka, A.G.Popeko, B.I.Pustylnik, J.Rohac, R.N.Sagaidak, G.M.Ter-Akopian, A.V.Yeremin Cross Sections for the Production of Evaporation Particles from Compound Nuclei 210,212Ra* Obtained in 35Cl + 175Lu and 31P + 181Ta Interactions NUCLEAR REACTIONS 175Lu(35Cl, xnypzα)205Ra/202Fr/203Fr/204Fr/205Fr/200Rn/201Rn/202Rn/203Rn/204Rn/199At/200At/201At/196Po/197Po/198Po/199Po, E=176-217 MeV; 181Ta(31P, xnypzα)208Ra/207Ra/208Fr/207Fr/206Fr/202Rn, E=148-159 MeV; measured σ. Comparison with statistical model. RADIOACTIVITY 198Po, 198,198m,200,201,203At, 203mRn(α) [from 175Lu(35Cl, xnypzα)]; measured α-decay branching ratios.
1998SA08 J.Phys.(London) G24, 611 (1998) R.N.Sagaidak, V.I.Chepigin, A.P.Kabachenko, J.Rohac, Yu.Ts.Oganessian, A.G.Popeko, A.V.Yeremin, A.D'Arrigo, G.Fazio, G.Giardina, M.Herman, R.Ruggeri, R.Sturiale Fission-Evaporation Competition in Excited Uranium and Fermium Nuclei NUCLEAR REACTIONS, ICPND 208Pb(20Ne, xn), (22Ne, xn), E=100-160 MeV; 232Th(20Ne, xn), (22Ne, xn)245Fm/246Fm/247Fm/248Fm, E=130-150 MeV; analyzed evaporation residues production σ; deduced compound nuclei neutron evaporation mechanism features. Advanced statistical model calculations.
doi: 10.1088/0954-3899/24/3/012
1997AN02 Yad.Fiz. 60, No 1, 5 (1997); Phys.Atomic Nuclei 60, 1 (1997) A.N.Andreyev, D.D.Bogdanov, A.V.Yeremin, A.P.Kabachenko, O.N.Malyshev, A.G.Popeko, R.N.Sagaidak, G.M.Ter-Akopian, V.I.Chepigin, V.Ninov, S.Hofmann, F.P.Hessberger, H.Folger, S.Saro Cross Sections for the Formation of Evaporation Products in 24Mg + 197Au and 51V + 170Er Interactions NUCLEAR REACTIONS, ICPND 170Er(51V, 4n), (51V, 5n), (51V, 6n), (51V, 7n), (51V, 3np), (51V, 4np), (51V, 5np), (51V, 6np), (51V, 7np), (51V, 3nα), (51V, 4nα), (51V, 5nα), (51V, 6nα), (51V, 7nα), E not given; 197Au(24Mg, 4n), (24Mg, 5n), (24Mg, 6n), (24Mg, 3np), (24Mg, 4np), (24Mg, 5np), (24Mg, 6np), (24Mg, 7np), (24Mg, 3nα), (24Mg, 4nα), (24Mg, 5nα), (24Mg, 6nα), (24Mg, 7nα), E=140-176 MeV; measured residuals production σ vs compound nucleus excitation; deduced dinuclear system evolution related features.
1997AN08 Nucl.Phys. A620, 229 (1997) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, Yu.A.Muzychka, Yu.Ts.Oganessian, A.G.Popeko, B.I.Pustylnik, R.N.Sagaidak, G.M.Ter-Akopian, A.V.Yeremin Decay Widths of Highly Excited Ra Compound Nuclei NUCLEAR REACTIONS 194,196,198Pt(22Ne, xn), (22Ne, xnp), (22Ne, xnα), E=100-200 MeV; measured evaporation residue σ(E). 216,218,220Ra deduced fission barriers, decay widths. Enriched targets, kinematic separator, surface-barrier detectors, measurements of α activity.
doi: 10.1016/S0375-9474(97)00147-4
1997AN20 Nucl.Phys. A626, 857 (1997) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, Yu.Ts.Oganessian, A.G.Popeko, J.Rohac, R.N.Sagaidak, G.M.Ter-Akopian, A.V.Yeremin, S.Saro, M.Veselsky Statistical Model and Cross Sections for the Evaporation Residues Formed in the Reaction 22Ne + 190Os at the 22Ne Projectile Bombarding Energy of 6.0-10.0 MeV/Nucleon NUCLEAR REACTIONS 190Os(22Ne, xn), (22Ne, xnp), (22Ne, xnα), E=130-220 MeV; measured evaporation residue σ(E); deduced fission barriers. Kinematic separator, silicon detectors, α-activity measurements.
doi: 10.1016/S0375-9474(97)00477-6
1997YE07 Nucl.Instrum.Methods Phys.Res. B126, 329 (1997) A.V.Yeremin, D.D.Bogdanov, V.I.Chepigin, V.A.Gorshkov, A.P.Kabachenko, O.N.Malyshev, A.G.Popeko, R.N.Sagaidak, G.M.Ter-Akopian, A.Yu.Lavrentjev The electrostatic separator VASSILISSA Performance and experimental results NUCLEAR REACTIONS 232Th(20Ne, 5n), (20Ne, 6n), (26Mg, 4n), (26Mg, 5n), (26Mg, 6n), (27Al, 5n), (27Al, 6n), (31P, 5n), 236U(22Ne, 4n), (22Ne, 5n), (22Ne, 6n), (27Al, 5n), (27Al, 6n), 238U(22Ne, 6n), (22Ne, 8n), E* ≈ 45-70 MeV; measured σ.
doi: 10.1016/S0168-583X(96)01002-6
1995AN03 Nucl.Phys. A583, 153c (1995) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, Yu.A.Muzychka, Yu.Ts.Oganessian, A.G.Popeko, B.I.Pustylnik, J.Rohac, R.N.Sagaidak, A.V.Taranenko, G.M.Ter-Akopian, A.V.Yeremin Long Fission Time of Highly Excited Radium Compound Nuclei Ending in the Formation of Evaporation Residues NUCLEAR REACTIONS, ICPND 194,196,198Pt(22Ne, xn), E not given; measured σ(E) for residual production for 4 ≤ x ≤ 12. 218,220,216Ra deduced relative neutron width mean values.
doi: 10.1016/0375-9474(94)00651-3
1995AN04 Nucl.Phys. A583, 169c (1995) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, Yu.A.Muzychka, A.G.Popeko, B.I.Pustylnik, R.N.Sagaidak, G.M.Ter-Akopian, A.V.Yeremin Formation Cross Sections of Neutron Deficient Polonium Isotopes in Asymmetric and Symmetrical Heavy Ion Fusion NUCLEAR REACTIONS, ICPND 175Lu(27Al, xn), E=178 MeV; 169Tm(31P, xn), E=220 MeV; measured total reaction σ vs 200Po excitation; deduced 199,198,197,196,195,194,193,192,191,190Po isotopes production σ. Compared with other reactions data.
doi: 10.1016/0375-9474(94)00655-7
1995AN23 Yad.Fiz. 58, No 5, 791 (1995); Phys.Atomic Nuclei 58, 730 (1995) A.N.Andreev, D.D.Bogdanov, A.V.Eremin, A.P.Kabachenko, O.N.Malyshev, Yu.A.Muzychka, B.I.Pustylnik, R.N.Sagaidak, G.M.Ter-Akopyan, V.I.Chepigin Formation of Po Isotopes in the Reactions 27Al + 175Lu and 31P + 169Tm NUCLEAR REACTIONS, ICPND 175Lu(27Al, xnyp)199Po/198Po/197Po/196Po/195Po/193Po/192Po, E=180, 250 MeV; 169Tm(31P, xnyp)199Po/198Po/197Po/196Po/195Po/193Po/192Po, E=178, 200 MeV; measured residual production σ(E); deduced projectile mass independence of the evaporation channel characteristics, residuals fission barrier characteristics. Statistical approach.
1994AN02 Z.Phys. A347, 225 (1994) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, A.G.Popeko, R.N.Sagaidak, G.M.Ter-Akopian, M.Veselsky, A.V.Yeremin New Nuclides 228,229Pu NUCLEAR REACTIONS, ICPND 207Pb(26Mg, 4n), E=5.42 MeV/nucleon; 208Pb(24Mg, 4n), E=5.5 MeV/nucleon; 208Pb(26Mg, 5n), E=5.58 MeV/nucleon; measured Eα, Iα, αα-correlation; deduced residuals production σ. RADIOACTIVITY 228,229Pu(α) [from 208Pb(24Mg, 4n), E=5.5 MeV/nucleon; 207Pb(26Mg, 4n), E=5.42 MeV/nucleon; 208Pb(26Mg, 5n), E=5.58 MeV/nucleon]; measured Eα, Iα, αα-correlation; deduced Q(α).
1994SA59 Nucl.Instrum.Methods Phys.Res. B93, 103 (1994) On Ionic Charge Distributions of Heavy Evaporation Residues Passing Through a Carbon Foil
doi: 10.1016/0168-583X(94)95464-X
1994YE08 Nucl.Instrum.Methods Phys.Res. A350, 608 (1994) A.V.Yeremin, A.N.Andreyev, D.D.Bogdanov, G.M.Ter-Akopian, V.I.Chepigin, V.A.Gorshkov, A.P.Kabachenko, O.N.Malyshev, A.G.Popeko, R.N.Sagaidak, S.Sharo, E.N.Voronkov, A.V.Taranenko, A.Yu.Lavrentjev The Kinematic Separator VASSILISSA Performance and Experimental Results NUCLEAR REACTIONS, ICPND 151,153Eu(40Ca, 3n), 207,208Pb, 197Au(40Ca, 4n), 153Eu(40Ca, 5n), 165Ho, 159Tb(40Ar, xn), 169Tm(31P, xn), 159Tb(40Ca, xn), 181Ta(24Mg, xn), (26Mg, 2n), 194,198,196Pt, 205Tl, 208Pb, 209Bi, 197Au(22Ne, xn), 197Au, 175Lu(27Al, xn), E not given; measured residual production σ for x=3-10. 238,236U(22Ne, xn), 232Th(26Mg, xn), (27Al, xn), (31P, xn), 236U(27Al, xn), E not given; measured residual production σ. 208Pb(26Mg, xn), E=145 MeV; 236U(22Ne, xn), E=124 MeV; 232Th(26Mg, xn), E=141 MeV; measured Eα, Iα. NUCLEAR STRUCTURE 218,219,223,224,225,226U, 225,226,227Np, 228,229,230Pu; compiled Eα, Iα, T1/2 (in some cases) data.
doi: 10.1016/0168-9002(94)91265-3
1993AN07 Z.Phys. A345, 247 (1993) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, R.N.Sagaidak, G.M.Ter-Akopian, M.Veselsky, A.V.Yeremin The New Isotope 219U NUCLEAR REACTIONS 197Au(27Al, X), E=5.5 MeV/nucleon; measured Eα, Iα, αα-correlation; deduced evidence for 219U. RADIOACTIVITY 219U(α) [from 197Au(27Al, X), E=5.5 MeV/nucleon]; measured Eα, Iα, αα-correlation; deduced T1/2, Qα.
1993AN10 Z.Phys. A345, 389 (1993) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, R.N.Sagaidak, L.I.Salamatin, G.M.Ter-Akopian, A.V.Yeremin Cross Sections of 102 Element Isotopes Formation in the Reactions of 22Ne + 236U and 26Mg + 232Th NUCLEAR REACTIONS 236U(22Ne, 4n), (22Ne, 5n), (22Ne, 6n), E=112-132 MeV; 232Th(26Mg, 4n), (26Mg, 5n), (26Mg, 6n), E=136-148 MeV; measured Eα, Iα; deduced residuals production σ(E). Statistical model comparison.
1993TE01 Nucl.Phys. A553, 735c (1993) G.M.Ter-Akopian, A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, Yu.A.Muzychka, G.S.Popeko, B.I.Pustylnik, S.Saro, R.N.Sagaidak, M.Veselsky, A.V.Yeremin Production of Z ≥ 82 Heavy Ion Fusion Evaporation Residues (ER) and Fissility of Heavy Nuclei NUCLEAR REACTIONS 197Au(20Ne, xn), (20Ne, xnp), E not given; analyzed Z ≥ 82 fusion evaporation residue production σ(E) data; deduced shell effect fading, fission barrier macroscopic component features. Other data included.
doi: 10.1016/0375-9474(93)90690-Y
1992AN04 Z.Phys. A342, 123 (1992) A.N.Andreev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, R.N.Sagaidak, G.M.Ter-Akopian, A.V.Yeremin The New Isotope 218U NUCLEAR REACTIONS 197Au(27Al, X), E=5.96 MeV/nucleon; measured Eα, Iα, αα-correlations; deduced evidence for 218U, production σ. In-flight evaporation residue separation. RADIOACTIVITY 218U(α) [from 197Au(27Al, X), E=5.96 MeV/nucleon]; measured Eα, Iα, αα-correlations; deduced α-decay energy, T1/2.
1992AN16 Z.Phys. A344, 225 (1992) A.N.Andreyev, D.D.Bogdanov, V.I.Chepigin, A.P.Kabachenko, O.N.Malyshev, Yu.Ts.Oganessian, R.N.Sagaidak, G.M.Ter-Akopian, A.V.Yeremin, F.P.Hessberger, S.Hofmann, V.Ninov, M.Florek, S.Saro, M.Veselsky Investigation of the Fusion Reaction 27Al + 236U → 263105 at Excitation Energies of 57 MeV and 65 MeV NUCLEAR REACTIONS, ICPND 236U(27Al, 5n), (27Al, 6n), E ≈ 154, 163 MeV; measured αα(θ); deduced residue production σ. Evaporation residue implantation in Si detector. RADIOACTIVITY 257,258Db(α) [from 236U(27Al, 5n), (27Al, 6n), E ≈ 154, 163 MeV]; measured αα(θ).
1990SA36 Yad.Fiz. 52, 338 (1990); Sov.J.Nucl.Phys. 52, 215 (1990) R.N.Sagaidak, Yu.V.Lobanov, Yu.Ts.Oganesyan, A.G.Popeko, E.A.Cherepanov Production of Products with A = 122-128 in the Reaction (nat)Ag + 22Ne(99 MeV) NUCLEAR REACTIONS Ag(22Ne, X), E=99 MeV; measured residue production σ, σ(θ), for mass 122-128 Xe, Cs, La, Ba isotopes. Off-line γ-spectrometry.
1989LA07 Phys.Scr. 39, 422 (1989) Yu.A.Lazarev, Yu.V.Lobanov, R.N.Sagaidak, V.K.Utyonkov, M.Hussonnois, Yu.P.Kharitonov, I.V.Shirokovsky, S.P.Tretyakova, Yu.Ts.Oganessian Study of the Stability of the Ground States and K-Isomeric States of 250Fm and 254102 against Spontaneous Fission RADIOACTIVITY 250,250mFm(α) [from 249Cf(α, 3n), E=34 MeV]; 254,254mNo(α) [from 208Pb(48Ca, 2n)]; measured Eα, Iα; deduced SF(T1/2), branching ratios. NUCLEAR REACTIONS 206,208Pb(48Ca, xn), E(cm)=169-180 MeV; measured Eα, Iα; deduced 254102 total yield.
doi: 10.1088/0031-8949/39/4/002
1984DE50 At.Energ. 57, 191 (1984); Sov.At.Energy 57, 637 (1984) A.G.Demin, V.A.Druin, Yu.V.Lobanov, R.N.Sagaidak, V.K.Utenkov Measurement of the Ranges of Recoil Nuclei of Heavy Actinides Formed in Multinucleon Transfer Reactions Initiated by 22Ne Ions NUCLEAR REACTIONS 249Bk(22Ne, xnyp)256Md/252Fm, E=118 MeV; 239Pu(22Ne, xnyp)246Cf/242Cm/240Cm, E=121 MeV; measured residual actinide recoil range in Al.
1979DR07 Yad.Fiz. 29, 1149 (1979); Sov.J.Nucl.Phys. 29, 591 (1979) V.A.Druin, B.Bochev, Y.V.Lobanov, R.N.Sagaidak, Y.P.Kharitonov, S.P.Tretyakova, G.G.Gulbekyan, G.V.Buklanov, E.A.Erin, V.N.Kosyakov, A.G.Rykov Spontaneous Fission of the Heavy Isotopes of Nielsbohrium (Z = 105) and Element 106 RADIOACTIVITY 262Db (SF), 263Sg (SF) [from 249Bk(18O, 5n), 249Cf(18O, 4n)]; measured T1/2; deduced dependence T1/2 (SF) on neutron number. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0051. 1977DR10 At.Energ. 43, 155 (1977); Sov.At.Energy 43, 785 (1977) V.A.Druin, B.Bochev, Y.S.Korotkin, V.N.Kosyakov, Y.V.Lobanov, E.A.Minin, Y.V.Poluboyarinov, A.G.Rykov, R.N.Sagaidak, S.P.Tretyakova, Y.P.Kharitonov Synthesis of 260Ku in the Irradiation of 249Bk by 15N Ions RADIOACTIVITY, Fission 260Rf (SF); measured T1/2. NUCLEAR REACTIONS 249Bk(15N, 4n), E=78, 82, 84, 90, 93 MeV; measured σ for production of 260Rf. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0010. 1976DR06 Yad.Fiz. 24, 254 (1976); Sov.J.Nucl.Phys. 24, 131 (1977) V.A.Druin, Y.S.Korotkin, Y.V.Lobanov, Y.V.Poluboyarinov, R.N.Sagaidak, G.M.Soloveva, S.P.Tretyakova, Y.P.Kharitonov Synthesis of Heavy Isotopes of Ku in Bombardment of Cm by O Ions RADIOACTIVITY 260Rf; measured T1/2. NUCLEAR REACTIONS 246Cm(18O, 4n), E=85-110 MeV; measured σ(E) for production of 260Rf. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0005. Back to query form Note: The following list of authors and aliases matches the search parameter R.N.Sagaidak: , R.N.SAGAIDAK |