NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = K.Novikov Found 29 matches. 2024KO05 Phys.Rev. C 109, 034616 (2024) E.M.Kozulin, G.N.Knyazheva, A.V.Karpov, V.V.Saiko, A.A.Bogachev, I.M.Itkis, K.V.Novikov, I.V.Vorobiev, I.V.Pchelintsev, E.O.Savelieva, R.S.Tikhomirov, M.G.Itkis, Yu.Ts.Oganessian Detailed study of multinucleon transfer features in the 136Xe + 238U reaction
doi: 10.1103/PhysRevC.109.034616
2023KO11 Phys.Atomic Nuclei 86, 56 (2023) E.M.Kozulin, A.A.Bogachev, G.N.Knyazheva, V.V.Saiko, I.M.Itkis, K.V.Novikov, D.Kumar, Pushpendra P.Singh Exclusive Mass-Energy Distributions of the Fast Fission Fragments in the 40Ca+144Sm Reaction NUCLEAR REACTIONS 144Sm(40Ca, F), E=212, 231, 244, 277 MeV; measured fission fragments. 184Pb; deduced partial σ, mass and total kinetic energy (TKE), mass-energy distributions of binary fragments, mass-energy distributions for extracted fast fission fragments. The double-arm time-of-flight spectrometer CORSET, the U400 cyclotron at the Flerov Laboratory of Nuclear Reactions, Dubna, Russia.
doi: 10.1134/S1063778823020126
2022BA11 Phys.Rev. C 105, 044614 (2022) T.Banerjee, E.M.Kozulin, N.T.Burtebayev, K.B.Gikal, G.N.Knyazheva, I.M.Itkis, K.V.Novikov, T.N.Kvochkina, Y.S.Mukhamejanov, A.N.Pan Search for possible fission modes at high excitation energies in 254Fm NUCLEAR REACTIONS 238U(16O, X)254Fm, E=89, 101 MeV; measured reaction products, fission fragments; deduced mass–total kinetic energy and mass distributions of fission fragments, mass distribution widths, fission fragment yields. 254Fm; deduced fission modes. Systematics of the fission modes obtained in 238U(16O, X)254Fm, 238U(18O, X)256Fm, 208Pb(18O, X)226Th, 232Th(4He, X)236U reactions. Double-arm time-of-flight spectrometer CORSET at U400 cyclotron (JINR).
doi: 10.1103/PhysRevC.105.044614
2022BA16 Physics of Part.and Nuclei 53, 135 (2022) T.Banerjee, E.M.Kozulin, K.B.Gikal, I.M.Itkis, G.N.Knyazheva, N.I.Kozulina, K.V.Novikov, I.N.Diatlov, I.V.Pchelintsev, A.N.Pan, I.V.Vorobiev Super-Asymmetric Fission Mode in 254Fm Nucleus Populated by 16O + 238U Reaction RADIOACTIVITY 254Fm(SF) [from 238U(16O, X), E=89, 101 MeV]; measured decay products; deduced mass and total kinetic energy distributions. Comparison with theoretical calculations. The double-arm time-of-flight (TOF) spectrometer CORSET at the Flerov Laboratory of Nuclear Reactions (Dubna, Russia).
doi: 10.1134/S1063779622020150
2022KO03 Phys.Rev. C 105, 014607 (2022) E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, Y.S.Mukhamejanov, A.A.Bogachev, K.V.Novikov, V.V.Kirakosyan, D.Kumar, T.Banerjee, M.Cheralu, M.Maiti, R.Prajapat, R.Kumar, G.Sarkar, W.H.Trzaska, A.N.Andreyev, I.M.Harca, A.Mitu, E.Vardaci Fission of 180, 182, 183Hg* and 178Pt* nuclei at intermediate excitation energies NUCLEAR REACTIONS 142Nd(36Ar, F)178Pt*, E=158, 169, 181 MeV; 144Sm(36Ar, F)180Hg*, E=158, 181 MeV; 142,143Nd(40Ca, F)182Hg*/183Hg*, E=158, 169, 181 MeV; measured binary reaction products in coincidence mode using the double-arm time-of-flight spectrometer CORSET, consisting of a compact start detector and a position-sensitive stop detector of microchannel plates at the U400 cyclotron Flerov laboratory of Nuclear Reactions, Dubna; deduced mass-energy distributions of fission fragments at energies near and above the Coulomb barrier, mass-total kinetic energy (M-TKE) distribution contours of primary binary fragments, mass yields, fission fragments mass yields, asymmetric fission of preactinide nuclei, existence of well-deformed proton shell at Z≈36 and a less deformed proton shell at Z≈46. Comparison with previous experimental results.
doi: 10.1103/PhysRevC.105.014607
2022KO05 Phys.Rev. C 105, 024617 (2022) E.M.Kozulin, G.N.Knyazheva, A.A.Bogachev, V.V.Saiko, A.V.Karpov, I.M.Itkis, K.V.Novikov, Y.S.Mukhamejanov, I.V.Pchelintsev, I.V.Vorobiev, T.Banerjee, M.Cheralu, P.P.Singh Experimental study of fast fission and quasifission in the 40Ca + 208Pb reaction leading to the formation of the transfermium nucleus 248No NUCLEAR REACTIONS 208Pb(40Ca, X)248No*, E=223, 250, 284 MeV; measured fission fragments; deduced mass and energy distributions of fission fragments, average total kinetic energies, fast fission σ(E), compound nucleus fission σ(E), 248No compound nucleus formation probability. Double-arm time-of-flight spectrometer CORSET at U400 cyclotron (JINR).
doi: 10.1103/PhysRevC.105.024617
2022KU35 Phys.Atomic Nuclei 85, 756 (2022) K.A.Kulkov, E.M.Kozulin, A.A.Bogachev, G.N.Knyazheva, I.M.Itkis, K.V.Novikov, I.V.Vorobiev, I.V.Pchelintsev, N.S.Bublikova, M.G.Voronyuk Experimental Study of Mass-Energy Distribution of Fragments Produced in the 90Zr + 90Zr Reaction Leading to the Formation of 180Hg at Energies near the Coulomb Barrier NUCLEAR REACTIONS 90Zr(90Zr, X)180Hg, E=378 MeV; measured reaction products; deduced mass-energy distributions of binary fragments. CORSET double-arm time-of-flight spectrometer.
doi: 10.1134/S1063778823010325
2022OS01 Phys.Atomic Nuclei 85, 748 (2022) A.A.Ostroukhov, E.M.Kozulin, N.T.Burtebayev, A.A.Bogachev, K.B.Gikal, I.M.Itkis, G.N.Knyazheva, T.N.Kvochkina, Y.S.Mukhamejanov, K.V.Novikov, A.N.Pan Investigation of Fission Modes of 248Cf and 254, 256Fm Nuclei Produced in Heavy-Ion Reactions NUCLEAR REACTIONS 232Th(16O, X)248Cf, 238U(16O, X), (18O, X)254Fm/256Fm, E=40-56 MeV; measured reaction products; deduced total kinetic energy (TKE) of fragments, mass distributions of fission fragments, mass and energy distributions of fission fragments. Comparison with available data. CORSET double-arm time-of-flight spectrometer.
doi: 10.1134/S1063778823010428
2022SE02 Phys.Rev. C 105, 014627 (2022) A.Sen, T.K.Ghosh, E.M.Kozulin, I.M.Itkis, G.N.Knyazheva, K.V.Novikov, S.Bhattacharya, K.Banerjee, C.Bhattacharya Quasifission in 84, 86Kr-induced reactions populating superheavy elements NUCLEAR REACTIONS 198Pt(84Kr, F), E(cm)/E(Bass)=1.14; 198Pt(86Kr, F), 197Au(86Kr, F), E(cm)/E(Bass)=1.12; measured binary reaction products in coincidence mode using the double-arm time-of-flight spectrometer CORSET, consisting of a compact start detector and a position-sensitive stop detector of microchannel plates at the U400 cyclotron Flerov laboratory of Nuclear Reactions, Dubna; deduced mass-energy distributions of fission-like events, mass-total kinetic energy (M-TKE) distributions above barrier energies, TKE distributions of the symmetric fragments. Comparison with two-center shell-model calculations, and with previous experimental results for other reaction systems. Relevance to influence of various entrance channel parameters and isospin differences on the quasifission dynamics process, leading to a more symmetric mass split distribution.
doi: 10.1103/PhysRevC.105.014627
2021BO22 Phys.Rev. C 104, 024623 (2021) A.A.Bogachev, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, K.V.Novikov, D.Kumar, T.Banerjee, I.N.Diatlov, M.Cheralu, V.V.Kirakosyan, Y.S.Mukhamejanov, A.N.Pan, I.V.Pchelintsev, R.S.Tikhomirov, I.V.Vorobiev, M.Maiti, R.Prajapat, R.Kumar, G.Sarkar, W.H.Trzaska, A.N.Andreyev, I.M.Harca, E.Vardaci Asymmetric and symmetric fission of excited nuclei of 180, 190Hg and 184, 192, 202Pb formed in the reactions with 36Ar and 40, 48Ca ions NUCLEAR REACTIONS 144Sm(36Ar, X)180Hg*, E=158, 181 MeV; 154Sm(36Ar, X)190Hg*, E=158, 181 MeV; 144Sm(40Ca, X)184Pb*, E=180, 190 MeV; 144Sm(48Ca, X)192Pb*, E=182, 188, 202 MeV; 154Sm(48Ca, X)202Pb*, E=173, 183, 194 MeV; measured binary reaction products in coincidence mode from the excited states of the compound nuclei using the double-arm time-of-flight spectrometer CORSET at the U400 cyclotron facility of Flerov Laboratory of Nuclear Reactions (FLNR), Dubna; deduced mass-total kinetic energy (TKE) distributions of binary fragments, mass and TKE distributions of fission fragments, contributions of symmetric and asymmetric fissions, well deformed proton shell at Z≈36 and less deformed proton shell at Z≈46.
doi: 10.1103/PhysRevC.104.024623
2021BO23 Bull.Rus.Acad.Sci.Phys. 85, 1080 (2021), Erratum Bull.Rus.Acad.Sci.Phys. 86, 1557(2022) A.A.Bogachev, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, K.V.Novikov, T.Banerjee, M.Cheralu, M.G.Itkis, E.Mukhamedzhanov, D.Kumar, A.Pan, I.V.Pchelintsev, I.V.Vorobev, W.H.Trzaska, E.Vardaci, A.di Nitto, S.V.Khlebnikov, I.Harka, A.Andreyev Study of Binary Processes in the Reactions of 36Ar + 144, 154Sm and 68Zn + 112Sn Leading to the Formation of Neutron-Deficient Compound 180, 190Hg Nuclei NUCLEAR REACTIONS 144Sm(36Ar, X)180Hg, E=158 MeV; 154Sm(36Ar, X)190Hg, E=181 MeV; 112Sn(68Zn, X)180Hg, E=300 MeV; measured reaction products; deduced fission fragment mass yields, energy distributions; deduced asymmetric and symmetric fission.
doi: 10.3103/S1062873821100105
2021GA34 Bull.Rus.Acad.Sci.Phys. 85, 1080 (2021) E.I.Galkina, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, A.A.Bogachev, I.N.Diatlov, M.Cheralu, D.Kumar, N.I.Kozulina, K.V.Novikov, A.N.Pan, I.V.Pchelintsev, I.V.Vorobiev, W.H.Trzaska, S.Heinz, B.Lommel, E.Vardaci, S.Spinosa, A.Di Nitto, A.Pulcini, C.Borcea, I.Harca Investigating Mass-Energy Distributions of Fragments Produced in the 32S + 232Th → 264Sg Reaction at Energies Below and Near the Coulomb Barrier NUCLEAR REACTIONS 232Th(32S, X)264Sg, E=165, 181, 200 MeV; measured reaction products; deduced mass-energy distributions of fragments, contribution from the quasifission process. CORSET double-arm time-of-flight spectrometer.
doi: 10.3103/S1062873821100154
2021KO25 Phys.Lett. B 819, 136442 (2021) E.M.Kozulin, E.Vardaci, W.H.Trzaska, A.A.Bogachev, I.M.Itkis, A.V.Karpov, G.N.Knyazheva, K.V.Novikov Evidence of quasifission in the 180Hg composite system formed in the 68Zn + 112Sn reaction NUCLEAR REACTIONS 112Sn(68Zn, X)180Hg, E=300 MeV; measured reaction products; deduced total kinetic energy, σ(θ), yields. K-130 cyclotron, Jyvaskyla University, Finland.
doi: 10.1016/j.physletb.2021.136442
2021KU32 Bull.Rus.Acad.Sci.Phys. 85, 1479 (2021) D.Kumar, E.M.Kozulin, G.N.Knyazheva, M.Maiti, I.M.Itkis, A.A.Bogachev, K.V.Novikov, M.Cheralu, T.Banerjee, I.N.Diatlov, N.I.Kozulina, I.V.Pchelintsev, I.V.Vorobiev, A.N.Pan, R.Prajapat, R.Kumar, E.Vardaci, W.H.Trzaska, A.Andreyev, I.M.Harca Investigation on Competing Fission Modes in 178Pt* Produced by 36Ar + 142Nd Reaction up to High Excitation Energies NUCLEAR REACTIONS 142Nd(36Ar, X)178Pt, E=158-222 MeV; measured fission products, TOF; deduced mass-energy distributions of binary fission fragments, total kinetic energies, asymmetric and symmetric modes. Comparison with theoretical systematics. The double arm time-of-flight spectrometer CORSET.
doi: 10.3103/S1062873821120194
2020IT03 Bull.Rus.Acad.Sci.Phys. 84, 938 (2020) Yu.M.Itkis, A.V.Karpov, G.N.Knyazheva, E.M.Kozulin, N.I.Kozulina, K.V.Novikov, K.B.Gikal, I.N.Diatlov, I.V.Pchelintsev, I.V.Vorobiov, A.N.Pan, P.P.Singh Fission and Quasi-Fission in Reactions with Deformed Nuclei NUCLEAR REACTIONS 232Th, 238U(16O, F), (18O, F), (22Ne, F)254Fm/256Fm, E=45, 50, 58 MeV; measured reaction products; deduced mass-energy distributions of fission fragments, dependence of the width of the mass distribution of fragments on the energy introduced into the system relative to that of the Bass barrier for all of the studied reactions.
doi: 10.3103/S1062873820080158
2020KO09 Eur.Phys.J. A 56, 6 (2020) E.M.Kozulin, I.M.Harca, E.Vardaci, I.Matea, A.Maj, I.Itkis, G.Knyazheva, K.Novikov, O.Dorvaux, M.Ciemala, S.Brambilla, N.Kozulina, I.V.Kolesov, E.Saveleva, V.V.Kirakosyan, C.Schmitt, C.Borcea, S.Calinescu, C.Petrone, M.Ashaduzzaman, B.DeCanditiis, A.Pulcini, D.Quero, P.Rath, A.di Nitto, G.La Rana, A.Bracco, F.Camera, O.Stezowski, J.Wilson, D.Verney, W.H.Trzaska, for the SPS and the PARIS collaboration Features of the Fission Fragments Formed in the Heavy Ion induced 32S +197Au reaction near the interaction barrier
doi: 10.1140/epja/s10050-019-00019-5
2020KU24 Bull.Rus.Acad.Sci.Phys. 84, 1001 (2020) D.Kumar, E.M.Kozulin, M.Cheralu, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, K.V.Novikov, A.A.Bogachev, N.I.Kozulina, I.N.Diatlov, I.V.Pchelintsev, I.V.Vorobiev, T.Banerjee, Y.S.Mukhamejanov, A.N.Pan, V.V.Saiko, P.P.Singh, R.N.Sahoo, A.N.Andreyev, D.M.Filipescu, M.Maiti, R.Prajapat, R.Kumar Study of Mass-Asymmetric Fission of 180, 190Hg Formed in the 36Ar + 144, 154Sm Reactions NUCLEAR REACTIONS 36Ar(144Sm, X), (154Sm, X)180Hg/190Hg, E= 158, 181, 222 MeV; measured reaction products; deduced asymmetric fission of 180,190Hg with the most probable masses of light and heavy fragments of 79 and 101 amu, and 84 and 106 amu, respectively. Two components manifesting the symmetric and asymmetric fission modes are observed in the kinetic energy distributions.
doi: 10.3103/S1062873820080213
2020NO05 Bull.Rus.Acad.Sci.Phys. 84, 495 (2020) K.V.Novikov, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, A.V.Karpov, M.G.Itkis, I.N.Diatlov, M.Cheralu, B.Gall, Z.Asfari, N.I.Kozulina, D.Kumar, I.V.Pchelintsev, V.N.Loginov, A.E.Bondarchenko, P.P.Singh, I.V.Vorobiev, S.Heinz, W.H.Trzaska, E.Vardaci, N.Tortorelli, C.Borcea, I.Harca Formation and Decay of the Composite System Z = 120 in Reactions with Heavy Ions at Energies Near the Coulomb Barrier
doi: 10.3103/S1062873820040206
2020NO09 Phys.Rev. C 102, 044605 (2020) K.V.Novikov, E.M.Kozulin, G.N.Knyazheva, I.M.Itkis, M.G.Itkis, A.A.Bogachev, I.N.Diatlov, M.Cheralu, D.Kumar, N.I.Kozulina, A.N.Pan, I.V.Pchelintsev, I.V.Vorobiev, W.H.Trzaska, S.Heinz, H.M.Devaraja, B.Lommel, E.Vardaci, S.Spinosa, A.Di Nitto, A.Pulcini, S.V.Khlebnikov, P.P.Singh, Ru.N.Sahoo, B.Gall, Z.Asfari, C.Borcea, I.Harca, D.M.Filipescu Investigation of fusion probabilities in the reactions with 52, 54Cr, 64Ni, and 68Zn ions leading to the formation of Z = 120 superheavy composite systems NUCLEAR REACTIONS 248Cm(52Cr, X)300120*, E=290, 304-MeV; 248Cm(54Cr, X)302120*, E=296 MeV; 232Th(68Zn, X)300120*, E=335 MeV; measured binary reaction products in coincidence by the double-arm time-of-flight spectrometer CORSET, the first two reactions using 248Cm target at the U-400 cyclotron facility of FLNR-Dubna, and the experiment with 232Th target at the University of Jyvaskyla K-130 cyclotron facility; deduced yield and TKE matrices of binary fragments as functions of mass and energy, capture cross sections as a function of effective fissility parameter, excitation energy of primary fragments as function of fragment mass, contributions of symmetric fragments to the capture cross sections, fusion probability as function of the mean fissility parameter, and production σ for the formation of Z=120 superheavy nucleus (SHN). 238U(64Ni, X)302120*, E=335 MeV; compared results of this experiment, reported in 2010Ko16, at Jyvaskyla with the data in the present experiments. 248Cm(54Cr, X) reaction determined to be the most favorable for the production of Z=120 element.
doi: 10.1103/PhysRevC.102.044605
2020SA32 Phys.Rev. C 102, 024615 (2020) R.N.Sahoo, M.Kaushik, A.Sood, A.Sharma, S.Thakur, Pa.Kumar, M.M.Shaikh, R.Biswas, A.Yadav, M.K.Sharma, J.Gehlot, S.Nath, N.Madhavan, R.G.Pillay, E.M.Kozulin, G.N.Knyazheva, K.V.Novikov, P.P.Singh Role of neutron transfer in sub-barrier fusion NUCLEAR REACTIONS 130Te(35Cl, X), E(cm)=94.0, 95.6, 97.2, 98.8, 100.3, 101.9, 103.5, 105.0 MeV; measured evaporation residues (ERs), ΔE-time spectra, fusion σ(E) using recoil mass separator HIRA at IUAC-New Delhi accelerator facility. Comparison with experimental fusion σ(E) data for 130Te(37Cl, X), and other systems. Coupled-channels analysis using CCFULL code.
doi: 10.1103/PhysRevC.102.024615
2020VA06 Phys.Rev. C 101, 064612 (2020) E.Vardaci, A.Pulcini, E.M.Kozulin, I.Matea, D.Verney, A.Maj, C.Schmitt, I.M.Itkis, G.N.Knyazheva, K.Novikov, N.Kozulina, I.M.Harca, I.V.Kolesov, K.Saveleva, V.V.Kirakosyan, O.Dorvaux, M.Ciemala, S.Brambilla, M.Ashaduzzaman, B.De Canditiis, A.Di Nitto, D.Quero, C.Parascandolo, D.Pierroutsakou, P.K.Rath, G.Sposito, G.La Rana, A.Bracco, F.Camera, O.Stezowski, C.Borcea, S.Calinescu, C.Petrone, J.Wilson Using γ rays to disentangle fusion-fission and quasifission near the Coulomb barrier: A test of principle in the fusion-fission and quasielastic channels NUCLEAR REACTIONS 197Au(32S, X), E=166 MeV; measured fragments and γ rays in singles, (fragment)(fragment)-coin, prompt γ(binary fragments)-coin using the two-arm TOF spectrometer CORSET time-of-flight spectrometer for fragments, ORGAM array of Ge detectors, and PARIS array of scintillation detectors for γ rays at the ALTO facility of IPN-Orsay; deduced total kinetic energy and mass yield (TKE-mass) distributions, γ-fold and multiplicity distributions. Comparison with theoretical calculations using GEF code. Discussion of γ multiplicity as a method for differentiating fusion-fission (FF) and quasifission (QF) events. 129La; deduced 756-, 869-, and 888-keV γ transition between high angular momentum states in coincidence with fission fragments.
doi: 10.1103/PhysRevC.101.064612
2019KO03 Phys.Rev. C 99, 014616 (2019) E.M.Kozulin, G.N.Knyazheva, T.K.Ghosh, A.Sen, I.M.Itkis, M.G.Itkis, K.V.Novikov, I.N.Diatlov, I.V.Pchelintsev, C.Bhattacharya, S.Bhattacharya, K.Banerjee, E.O.Saveleva, I.V.Vorobiev Fission and quasifission of the composite system Z=114 formed in heavy-ion reactions at energies near the Coulomb barrier NUCLEAR REACTIONS 232Th(52Cr, X)284Fl*, E=265, 288, 302, 320 MeV; 198Pt(86Kr, X)284Fl*, E=465 MeV; measured mass and energy distributions of binary fragments detected in coincidence using the double-arm time-of-flight spectrometer CORSET at FLNR-JINR-Dubna facility. 232Th(52Cr, X)284Fl*, E=265, 288, 302, 320 MeV; 198Pt(86Kr, X)284Fl*, E=465 MeV; 238U(48Ti, X)286Fl*, E=247, 258, 271 MeV; 244Pu(48Ca, X)292Fl*, E=226-244 MeV; 238U(48Ca, X)286Cn*, E=228-238 MeV; deduced mass and energy distributions of binary fragments, contribution from symmetric fragments to cross section, capture σ, cross sections of symmetric fragments, TKE distributions. Data for 48Ca and 48Ti beams are from authors' previous works 2014Ko45 and 2016Ko35. 284Fl; calculated potential energy surface as a function of elongation and mass asymmetry.
doi: 10.1103/PhysRevC.99.014616
2018GI09 Bull.Rus.Acad.Sci.Phys. 82, 716 (2018) K.B.Gikal, E.M.Kozulin, I.M.Itkis, M.G.Itkis, G.N.Knyazheva, K.V.Novikov, A.N.Pan Searching for the Superasymmetric Fission Mode of 248Cf, 254Fm, and 260No in Reactions 22Ne + 232Th, 238U; 16O + 232Th, 238U NUCLEAR REACTIONS 232Th, 238U(16O, f), (22Ne, f), E*=40-45 MeV; measured fission products; deduced fission fragments mass distribution, TKE for 248Cf, 254Fm, 258,262No and bimodal fission for 260No* at E*=41 MeV with both fission fragments close to double-magic 132Sn in the symmetric case.
doi: 10.3103/S1062873818060114
2018PA30 Bull.Rus.Acad.Sci.Phys. 82, 721 (2018) A.N.Pan, E.M.Kozulin, I.M.Itkis, M.G.Itkis, G.N.Knyazheva, K.B.Gikal, K.V.Novikov, T.N.Kvochkina, N.T.Burtebayev, K.V.Covalchuk Proton-Induced Fission of 232Th at Low and Intermediate Energies NUCLEAR REACTIONS 232Th(p, f), E=7-55 MeV; measured fission fragments mass distribution (yield), energy (TKE) at K-130 cyclotron at Jyvaskyla with fission fragments ToF measured by CORSET spectrometer at 13-55 MeV and at U-150M cyclotron at Almaty at 7, 10, 13 MeV; deduced symmetric and asymmetric fission modes in mass-energy distributions at all energies with yield of symmetric products falling with increasing proton energy, deduced indication of superasymmetric fission mode associated with increased yield of fragments with masses in region of A≈70; compared with published mass distributions from 235U, 239Pu, 242Am, 245Cm, 249Cf(n, f), E=thermal.
doi: 10.3103/S1062873818060229
2017KO39 Phys.Rev. C 96, 064621 (2017) E.M.Kozulin, V.I.Zagrebaev, G.N.Knyazheva, I.M.Itkis, K.V.Novikov, M.G.Itkis, S.N.Dmitriev, I.M.Harca, A.E.Bondarchenko, A.V.Karpov, V.V.Saiko, E.Vardaci Inverse quasifission in the reactions 156, 160Gd + 186W NUCLEAR REACTIONS 186W(156Gd, X), E=878 MeV; 186W(160Gd, X), E=860, 935 MeV; measured Mass, energy, yields, σ(TKEL), and angular distributions of primary binary fragments using the double-arm time-of-flight spectrometer CORSET at the U400 cyclotron of FLNR-JINR-Dubna facility; calculated potential energy surfaces. Relevance to production of new neutron-enriched heavy nuclei.
doi: 10.1103/PhysRevC.96.064621
2016KO33 Eur.Phys.J. A 52, 293 (2016) E.M.Kozulin, E.Vardaci, I.M.Harca, C.Schmitt, I.Itkis, G.Knyazheva, K.Novikov, A.Bogachev, S.Dmitriev, T.Loktev, F.Azaiez, I.Matea, D.Verney, A.Gottardo, O.Dorvaux, J.Piot, G.Chubarian, W.H.Trzaska, F.Hanappe, C.Borcea, S.Calinescu, C.Petrone Challenging fission dynamics around the barrier: The case of 34S + 186W NUCLEAR REACTIONS 186W(34S, F), E=160 MeV; measured fission-fragment-like products, Eγ, Iγ, γ multiplicity using double-arm detection system CORSET; deduced fragment mass distribution, TKE, mass-gated γ-ray energy spectra.
doi: 10.1140/epja/i2016-16293-8
2016KO35 Phys.Rev. C 94, 054613 (2016) E.M.Kozulin, G.N.Knyazheva, K.V.Novikov, I.M.Itkis, M.G.Itkis, S.N.Dmitriev, Yu.Ts.Oganessian, A.A.Bogachev, N.I.Kozulina, I.Harca, W.H.Trzaska, T.K.Ghosh Fission and quasifission of composite systems with Z = 108 - 120: Transition from heavy-ion reactions involving S and Ca to Ti and Ni ions NUCLEAR REACTIONS 238U(48Ti, X), E=247, 258, 271 MeV; measured mass and energy distributions of binary fragments detected in coincidence using the double-arm time-of-flight spectrometer CORSET at FLNR-JINR-Dubna facility; deduced fusion probabilities, capture and CN cross sections for fissionlike fragments. Comparison with cross sections measured earlier for 238U(36S, X), (64Ni, X), 154Sm, 238U, 244Pu, 248Cm(48Ca, X) reactions at energies near the Coulomb barrier at the same laboratory.
doi: 10.1103/PhysRevC.94.054613
2014KO02 Phys.Rev. C 89, 014614 (2014) E.M.Kozulin, G.N.Knyazheva, S.N.Dmitriev, I.M.Itkis, M.G.Itkis, T.A.Loktev, K.V.Novikov, A.N.Baranov, W.H.Trzaska, E.Vardaci, S.Heinz, O.Beliuskina, S.V.Khlebnikov Shell effects in damped collisions of 88Sr with 176Yb at the Coulomb barrier energy NUCLEAR REACTIONS 176Yb(88Sr, X), E=435 MeV; measured reaction products, (fragment)(fragment)-coin, total kinetic energy (TKE) distributions, double differential cross sections, and excitation energies of fragments using two-arm time-of-flight spectrometer CORSET at K130 cyclotron facility in Jyvaskyla; deduced evidence for low-energy multinucleon transfer reactions as a possible pathway for producing new neutron-rich isotopes in the superheavy element region.
doi: 10.1103/PhysRevC.89.014614
2012KO34 Phys.Rev. C 86, 044611 (2012) E.M.Kozulin, E.Vardaci, G.N.Knyazheva, A.A.Bogachev, S.N.Dmitriev, I.M.Itkis, M.G.Itkis, A.G.Knyazev, T.A.Loktev, K.V.Novikov, E.A.Razinkov, O.V.Rudakov, S.V.Smirnov, W.Trzaska, V.I.Zagrebaev Mass distributions of the system 136Xe + 208Pb at laboratory energies around the Coulomb barrier: A candidate reaction for the production of neutron-rich nuclei at N=126 NUCLEAR REACTIONS 208Pb(136Xe, X), E=700, 870, 1020 MeV; measured particle spectra, (particle)(particle)-coin using CORSET spectrometer at Flerov lab, fragment mass-energy distribution, velocity and TKEL distributions, fragment mass yield, σ(E, θ). Comparison with theoretical calculations. RADIOACTIVITY 212Bi, 210,212,214,216,218Po, 220,222Rn, 224Ra(α); measured α spectra.
doi: 10.1103/PhysRevC.86.044611
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