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NSR database version of May 24, 2024.

Search: Author = A.Karpov

Found 61 matches.

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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
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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
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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 286,287,288,289Mc(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
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2023KU23      Phys.Atomic Nuclei 86, 311 (2023)

N.Yu.Kurkova, A.V.Karpov

Perspectives of Synthesis of Some New Superheavy Nuclei

NUCLEAR REACTIONS 238U(48Ca, X), E(cm)=240 MeV; 244Pu, 248Cm(48Ca, X), E(cm)<220 MeV; 251Cf(50Ti, X), E not given; calculated mass–energy distributions, σ within a multidimensional dynamical model of nucleus-nucleus collisions based on the Langevin equations.

doi: 10.1134/S1063778823040257
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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
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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
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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, 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
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2022SA14      Eur.Phys.J. A 58, 41 (2022)

V.Saiko, A.Karpov

Multinucleon transfer as a method for production of new heavy neutron-enriched isotopes of transuranium elements

NUCLEAR REACTIONS 238U, 248Cm, 251Cf, 254Es(238U, X), E=6.09, 7.35, 7.4, 8.8 MeV/nucleon; 208Pb(136Xe, X), E(cm)<700 MeV; 251Cf(48Ca, X), E(cm)=246 MeV; analyzed available data; calculated mass distributions of fragments, σ(θ, E), σ. yields.

doi: 10.1140/epja/s10050-022-00688-9
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2022SI24      Bull.Rus.Acad.Sci.Phys. 86, 931 (2022)

M.V.Simonov, A.V.Karpov, T.Yu.Tretyakova

Nucleon Density Distributions and Diabatic Potential in Heavy Ion Reactions

NUCLEAR REACTIONS 208Pb(40Ca, X), (60Ni, X), E not given; calculated the diabatic folding potential with Migdal forces, the diffuseness of the proton distribution and all parameters of the neutron distribution. Comparison with available data.

doi: 10.3103/S1062873822080202
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2022TE01      Eur.Phys.J. A 58, 52 (2022)

M.S.Tezekbayeva, A.V.Yeremin, A.I.Svirikhin, A.Lopez-Martens, M.L.Chelnokov, V.I.Chepigin, A.V.Isaev, I.N.Izosimov, A.V.Karpov, A.A.Kuznetsova, O.N.Malyshev, R.S.Mukhin, A.G.Popeko, Yu.A.Popov, V.A.Rachkov, B.S.Sailaubekov, E.A.Sokol, K.Hauschild, H.Jacob, R.Chakma, O.Dorvaux, M.Forge, B.Gall, K.Kessaci, B.Andel, S.Antalic, A.Bronis, P.Mosat

Study of the production and decay properties of neutron-deficient nobelium isotopes

RADIOACTIVITY 249,250,250m,251No(α)[from 204Pb(48Ca, xn), E=225.2, 230.0, 237.0, 242.0, 246.0 MeV]; 245Fm, 245Es, 241Cf(α)[from 249No α decay]; measured decay products, Eα, Iα, (evaporation residues)α-corelations using SHELS separator and the GABRIELA detector system at FLNR-JINR-Dubna; deduced T1/2, production σ for 249No, an upper limit on the fission branch. 245Fm(EC), (β+); deduced branching ratio for ϵ+β+ decay mode. Comparison with previous experimental results.

doi: 10.1140/epja/s10050-022-00707-9
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2021CI02      Eur.Phys.J. A 57, 156 (2021)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.De France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.-H.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Accessing tens-to-hundreds femtoseconds nuclear state lifetimes with low-energy binary heavy-ion reactions

NUCLEAR REACTIONS 181Ta(18O, X)17O/18O/19O/20O/24Mg/13C, E=126 MeV; measured reaction products, Eγ, Iγ; deduced γ-ray energies, lifetimes using a novel Monte Carlo technique. Doppler-shift, AGATA tracking array at GANIL.

doi: 10.1140/epja/s10050-021-00451-6
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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
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2021ZI01      Phys.Rev. C 104, L041301 (2021)

S.Ziliani, M.Ciemala, F.C.L.Crespi, S.Leoni, B.Fornal, T.Suzuki, T.Otsuka, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska

Complete set of bound negative-parity states in the neutron-rich nucleus 18N

NUCLEAR REACTIONS 181Ta(18O, X)18N, E=126 MeV; measured reaction products, A/Q versus ion charge Q identification plot using VAMOS++ spectrometer at GANIL accelerator facility, Doppler-corrected Eγ, Iγ, γγ-coin using the γ-tracking array AGATA. 18N; deduced levels, J, π, configurations. Comparison with shell-model calculations using YSOX interactions, and with previous experimental data.

NUCLEAR STRUCTURE 16,18N; calculated levels, J, π using shell-model with YSOX interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.104.L041301
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2020CI02      Phys.Rev. C 101, 021303 (2020)

M.Ciemala, S.Ziliani, F.C.L.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, S.Coelli, O.Dorvaux, S.Erturk, G.de France, C.Fransen, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, S.M.Lenzi, M.Lewitowicz, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, M.Matejska-Minda, B.Million, C.Muller-Gatermann, V.Nanal, P.Napiorkowski, D.R.Napoli, R.Palit, M.Rejmund, Ch.Schmitt, M.Stanoiu, I.Stefan, E.Vardaci, B.Wasilewska, O.Wieland, M.Zieblinski, M.Zielinska, A.Atac, D.Barrientos, B.Birkenbach, A.J.Boston, B.Cederwall, L.Charles, J.Collado, D.M.Cullen, P.Desesquelles, C.Domingo-Pardo, J.Dudouet, J.Eberth, V.Gonzalez, J.Goupil, L.J.Harkness-Brennan, H.Hess, D.S.Judson, A.Jungclaus, W.Korten, M.Labiche, A.Lefevre, R.Menegazzo, D.Mengoni, J.Nyberg, R.M.Perez-Vidal, Zs.Podolyak, A.Pullia, F.Recchia, P.Reiter, F.Saillant, M.D.Salsac, E.Sanchis, O.Stezowski, Ch.Theisen, J.J.Valiente-Dobon, J.D.Holt, J.Menendez, A.Schwenk, J.Simonis

Testing ab initio nuclear structure in neutron-rich nuclei: Lifetime measurements of second 2+ state in 16C and 20O

NUCLEAR REACTIONS 181Ta(18O, X)16C/19O/20O, E=7.0 MeV/nucleon; measured reaction products, Eγ, Iγ, (particle)γ-coin, level half-lives by Doppler-shift attenuation method and Monte Carlo simulations using AGATA array, coupled to the PARIS scintillator array and to the VAMOS++ magnetic spectrometer at GANIL. 16C, 19,20O; deduced levels, J, π. Comparison with predictions of the valence-space in-medium similarity renormalization group (VS-IMSRG) and the no-core shell model (NCSM) with NN and 3N interactions.

doi: 10.1103/PhysRevC.101.021303
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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
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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
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2020SA21      Bull.Rus.Acad.Sci.Phys. 84, 436 (2020)

V.V.Saiko, A.v.Karpov

Role of Charge Equilibration in Multinucleon Transfer Reactions

doi: 10.3103/S1062873820040243
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2020SP03      Acta Phys.Pol. B51, 817 (2020)

A.Spataru, D.L.Balabanski, O.Beliuskina, P.Constantin, T.Dickel, C.Hornung, A.Kankainen, A.V.Karpov, D.Nichita, W.Plass, S.Purushothaman, A.Rotaru, V.V.Saiko, A.State, J.S.Winfield, A.Zadvornaya

Production of Exotic Nuclei via MNT Reactions Using Gas Cells

doi: 10.5506/APhysPolB.51.817
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2019CI08      Acta Phys.Pol. B50, 615 (2019)

M.Ciemala, S.Ziliani, F.Crespi, S.Leoni, B.Fornal, A.Maj, P.Bednarczyk, G.Benzoni, A.Bracco, C.Boiano, S.Bottoni, S.Brambilla, M.Bast, M.Beckers, T.Braunroth, F.Camera, N.Cieplicka-Orynczak, E.Clement, O.Dorvaux, S.Erturk, G.De France, A.Goldkuhle, J.Grebosz, M.N.Harakeh, L.W.Iskra, B.Jacquot, A.Karpov, M.Kicinska-Habior, Y.Kim, M.Kmiecik, A.Lemasson, H.Li, I.Matea, K.Mazurek, C.Michelagnoli, B.Millon, C.Muller-Gatermann, P.Napiorkowski, V.Nanal, M.Matejska-Minda, M.Rejmund, B.Sowicki, Ch.Schmitt, M.Stanoiu, I.Stefan, B.Wasilewska, M.Zielinska, M.Zieblinski

Determination of Lifetimes of Excited States in Neutron-rich 20O Isotope from Experiment with the AGATA+PARIS+VAMOS Setup

NUCLEAR REACTIONS 181Ta(18O, 20O), E=126 MeV; measured reaction products, Eγ, Iγ. 20O; deduced γ-ray energies, J, π. VAMOS spectrome ter at the GANIL laboratory.

doi: 10.5506/aphyspolb.50.615
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2019KA54      Phys.Part. and Nucl.Lett. 16, 667 (2019)

A.Karpov, V.Saiko

Synthesis of Transuranium Nuclei in Multinucleon Transfer Reactions at Near-Barrier Energies

doi: 10.1134/s1547477119060475
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2019LO08      Phys.Lett. B 795, 271 (2019)

A.Lopez-Martens, A.V.Yeremin, M.S.Tezekbayeva, Z.Asfari, P.Brionnet, O.Dorvaux, B.Gall, K.Hauschild, D.Ackermann, L.Caceres, M.L.Chelnokov, V.I.Chepigin, M.V.Gustova, A.V.Isaev, A.V.Karpov, A.A.Kuznetsova, J.Piot, O.N.Malyshev, A.G.Popeko, Yu.A.Popov, K.Rezynkina, H.Savajols, A.I.Svirikhin, E.A.Sokol, P.Steinegger

Measurement of proton-evaporation rates in fusion reactions leading to transfermium nuclei

NUCLEAR REACTIONS 209Bi(50Ti, X)256Db/257Db/258Db, E=255, 265, 275 MeV; measured reaction products, Eα, Iα; deduced σ.

doi: 10.1016/j.physletb.2019.06.010
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2019SA06      Phys.Rev. C 99, 014613 (2019)

V.V.Saiko, A.V.Karpov

Analysis of multinucleon transfer reactions with spherical and statically deformed nuclei using a Langevin-type approach

NUCLEAR REACTIONS 144Sm(144Sm, X), E(cm)=500 MeV; 154Sm(154Sm, X), E(cm)=485 MeV; 186W(160Gd, X), E(cm)=462, 502, 860 MeV; 208Pb(208Pb, X), E(cm)=726, 786 MeV; 238U(208Pb, X), E(cm)=830 MeV; calculated TKEL, mass, differential σ(θ, E), and charge distributions. 238U(238U, X), E=7.5 MeV/nucleon; 238U(248Cm, X), E=7.4 MeV/nucleon; 238U(254Es, X), E=7.3 MeV/nucleon; 238U(254Es, X), E(cm)=900 MeV; calculated isotopic production σ of final above-target products in collisions of actinides. Multidimensional dynamical model based on Langevin equations. Comparison with available experimental data.

doi: 10.1103/PhysRevC.99.014613
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2019SA64      Acta Phys.Pol. B50, 495 (2019)

V.Saiko, A.Karpov

Analysis of Multi-nucleon Transfers in Collisions of Actinides

NUCLEAR REACTIONS 238U(238U, X), E=7.5 MeV/nucleon; 238U(248Cm, X), E=7.4 MeV/nucleon; 238U(254Es, X), E=7.3 MeV/nucleon; calculated isotopic production σ in collisions of actinides. Multidimensional dynamical model based on Langevin equations. Comparison with available experimental data.

doi: 10.5506/aphyspolb.50.495
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2019YE03      Phys.Part. and Nucl.Lett. 16, 224 (2019)

A.V.Yeremin, M.S.Tezekbayeva, A.G.Popeko, O.N.Malyshev, A.Lopez-Martens, K.Hauschild, O.Dorvaux, B.Gall, A.V.Isaev, A.V.Karpov, A.N.Kuznetsov, A.A.Kuznetsova, Yu.A.Popov, A.I.Svirikhin, E.A.Sokol, M.L.Chelnokov, V.I.Chepigin, P.Moshat

Measurement of the Production Cross Sections for Isotopes of Transfermium Elements in Complete Fusion Reactions with the Subsequent Evaporation of a Proton and Neutrons

NUCLEAR REACTIONS 209Bi(50Ti, X)256Db/257Db/258Db, E=255, 265, 275 MeV; measured reaction products, Eα, Iα; deduced σ.

doi: 10.1134/S1547477119030099
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2018SA35      Acta Phys.Pol. B49, 307 (2018)

V.V.Saiko, A.V.Karpov

Dynamics of Near-barrier Collisions of Statically Deformed Nuclei

NUCLEAR REACTIONS 186W(160Gd, x), E(cm)=462, 502, 860 MeV; measured reaction products; deduced dσ vs TKEL, dσ vs primary fragment mass, σ(θ), influence of the prolate partners deformation mutual orientation (tip-to-tip, tip-to-side, side-to-tip, side-to-side); calculated TKEL, mass, angular distributions of target-like fragments of mass A>200; compared with published data; deduced significant role of orientation effects in dynamics of collisions of oriented nuclei at near-barrier energies, the effect decreases and finally vanishes with increasing energy.

doi: 10.5506/aphyspolb.49.307
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2018ST06      Phys.Lett. B 779, 456 (2018)

I.Stefan, B.Fornal, S.Leoni, F.Azaiez, C.Portail, J.C.Thomas, A.V.Karpov, D.Ackermann, P.Bednarczyk, Y.Blumenfeld, S.Calinescu, A.Chbihi, M.Ciemala, N.Cieplicka-Orynczak, F.C.L.Crespi, S.Franchoo, F.Hammache, L.W.Iskra, B.Jacquot, R.V.F.Janssens, O.Kamalou, T.Lauritsen, M.Lewitowicz, L.Olivier, S.M.Lukyanov, M.Maccormick, A.Maj, P.Marini, I.Matea, M.A.Naumenko, F.de Oliveira Santos, C.Petrone, Yu.E.Penionzhkevich, F.Rotaru, H.Savajols, O.Sorlin, M.Stanoiu, B.Szpak, O.B.Tarasov, D.Verney

Neutron-rich nuclei produced at zero degrees in damped collisions induced by a beam of 18O on a 238U target

NUCLEAR REACTIONS 238U(18O, X)12B/13B/14B/15B/13C/14C/15C/16C/17C/18C/19C, 14N/15N/16N/17N/18N/19N/20N, 16O/17O/18O/19O/20O/21O/22O, 17F/18F/19F/20F/21F/22F/23F/24F/22Ne/23Ne/24Ne/25Ne, E=8.5 MeV/nucleon; measured reaction products; deduced σ(θ), momentum distributions. Comparison with theoretical calculations.

doi: 10.1016/j.physletb.2018.02.037
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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
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2017KA39      Phys.Rev. C 96, 024618 (2017)

A.V.Karpov, V.V.Saiko

Modeling near-barrier collisions of heavy ions based on a Langevin-type approach

NUCLEAR REACTIONS 248Cm(48Ca, X), E not given; calculated diabatic potential energy using the double-folding procedure, entrance-channel, fission-channel, and adiabatic potential energies obtained within the extended macro-microscopic approach. 208Pb(136Xe, X), E(cm)=526, 617 MeV; 209Bi(136Xe, X), E(cm)=569, 684, 861 MeV; calculated energy (TKEL), angular, and charge distributions of primary fragments for 208Pb and 209Bi targets, angular distribution of Bi-like fragments, laboratory-system energy distributions and Wilczynski plots for 209Bi target. 208Pb(136Xe, X), E(cm)=450, 496, 514 MeV; calculated primary and final yields of A=200-228 Po, Rn, Ra isotopes, and A=176-208 W, Os, Pt isotopes, production σ for Z=49-88, A=115-225 isotopes, mass distribution of reaction products for E(cm)=450 MeV. 198Pt(136Xe, X), E(cm)=643 MeV; calculated cross sections of projectile-like fragments (PLFs) of Z=50-54, A=115-140, cross sections for production of A=170-210 Os and Hg isotopes. 208Pb(136Xe, X)201Re/202Os/203Ir/204Pt/205Au, E(cm)=425-700 MeV; 198Pt(136Xe, X)200W/201Re/202Os/203Ir/204Pt, E(cm)=425-700 MeV; calculated production cross sections of neutron-rich nuclei with N=126. Multidimensional dynamical model of nucleus-nucleus collisions based on the Langevin equations for multinucleon transfer in deep inelastic (DI) collisions of heavy ions. Comparison with available experimental data.

doi: 10.1103/PhysRevC.96.024618
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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
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2016KA04      Phys.Rev. C 93, 019801 (2016)

A.V.Karpov, V.A.Rachkov, V.I.Zagrebaev

Comment on "Compound nucleus aspect of sub-barrier fusion: A new energy scaling behavior"

NUCLEAR REACTIONS 14N(12N, X), 58Ni(30Si, X), 64Ni(64Ni, X), 112Sn(40Ar, X), 144,154Sm, 208Pb(16O, X), 208Pb(19F, X), (17F, X), 48Ca(48Ca, X), 40Ca, 96Zr(40Ca, X), 58Ni(64Ni, X), E(cm)/VB=0.92-1.04; analyzed σ(fusion) and compared with experimental data; discussed failure of the scaling of fusion cross sections based on Q-value rule proposed by 2013Wo04 (Phys. Rev. C 88, 041603(R)), and need to include dynamical factors affecting the fusion cross sections.

doi: 10.1103/PhysRevC.93.019801
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2016KA53      Phys.Rev. C 94, 064615 (2016)

A.V.Karpov

Ternary fission of a heavy nuclear system within a three-center shell model

RADIOACTIVITY 252Cf(SF); calculated potential energy surfaces and microscopic shell correction for ternary fission, total macro-microscopical potential energy corresponding to 132Sn+48Ca+72Ni ternary splitting. Asymmetric three-center shell model of deformed nucleus.

doi: 10.1103/PhysRevC.94.064615
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2015KA51      Phys.Rev. C 92, 064603 (2015)

A.V.Karpov, V.A.Rachkov, V.V.Samarin

Quantum coupled-channels model of nuclear fusion with a semiclassical consideration of neutron rearrangement

NUCLEAR REACTIONS 90,94,96Zr(40Ca, X), E(cm)=82-111 MeV; 90,94,96Zr(32S, X), E(cm)=68-98 MeV; 100Mo(60Ni, X), (64Ni, X), E(cm)=120-165 MeV; calculated fusion σ(E) and barrier distribution functions using quantum coupled-channels (QCC) approach with empirical neutron rearrangement (ENR) for neutron transfer channels. Comparison to experimental data.

doi: 10.1103/PhysRevC.92.064603
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2014HE32      Phys.Rev.Lett. 113, 262505 (2014)

G.Henning, T.L.Khoo, A.Lopez-Martens, D.Seweryniak, M.Alcorta, M.Asai, B.B.Back, P.F.Bertone, D.Boilley, M.P.Carpenter, C.J.Chiara, P.Chowdhury, B.Gall, P.T.Greenlees, G.Gurdal, K.Hauschild, A.Heinz, C.R.Hoffman, R.V.F.Janssens, A.V.Karpov, B.P.Kay, F.G.Kondev, S.Lakshmi, T.Lauritsen, C.J.Lister, E.A.McCutchan, C.Nair, J.Piot, D.Potterveld, P.Reiter, A.M.Rogers, N.Rowley, S.Zhu

Fission Barrier of Superheavy Nuclei and Persistence of Shell Effects at High Spin: Cases of 254No and 220Th

NUCLEAR REACTIONS 208Pb(48Ca, 2n), E=217, 220.5 MeV; 176Yb(48Ca, 4n), E=219 MeV; measured reaction products, Eγ, Iγ; deduced fission barrier heights. Comparisons with theoretical fission barriers test theories that predict properties of superheavy elements.

doi: 10.1103/PhysRevLett.113.262505
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2014RA13      Phys.Rev. C 90, 014614 (2014)

V.A.Rachkov, A.V.Karpov, A.S.Denikin, V.I.Zagrebaev

Examining the enhancement of sub-barrier fusion cross sections by neutron transfer with positive Q values

NUCLEAR REACTIONS 58,60Ni(16O, xn), E(cm)=25-41 MeV; 64Zn(α, xn), (6He, xn), E(cm)=15-40 MeV; 74Ge(18O, xn), 76Ge(16O, xn), E(cm)=30-50 MeV; 90,96Zr(40Ca, xn), E(cm)=86-108 MeV; 100Mo(60Ni, xn), (64Ni, xn), E(cm)=120-160 MeV; 130Te(58Ni, xn), (64Ni, xn), E(cm)=155-194 MeV; 154Sm(16O, xn), E(cm)=52-70 MeV; 209Bi(α, xn), (6He, xn), E(cm)=15-40 MeV; analyzed experimental data for fusion σ(E) for 0n-6n transfer channels using empirical coupled channel (ECM) along with semiclassical model for neutron transfer in sub-barrier fusion of heavy ions. Discussed Mechanism of neutron rearrangement in sub-barrier fusion reactions.

doi: 10.1103/PhysRevC.90.014614
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2014RA25      Bull.Rus.Acad.Sci.Phys. 78, 1117 (2014); Izv.Akad.Nauk RAS, Ser.Fiz 78, 1381 (2014)

V.A.Rachkov, A.V.Karpov, A.S.Denikin, V.I.Zagrebaev

Does neutron rearrangement enhance the cross sections of the subbarrier fusion of atomic nuclei?

NUCLEAR REACTIONS 90,96Zr(40Ca, X), 130Te(58Ni, X), (64Ni, X), 100Mo(60Ni, X), (64Ni, X), E(cm)<160 MeV; calculated fusion σ. Comparison with available data.

doi: 10.3103/S1062873814110227
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2014ZA04      Acta Phys.Pol. B45, 291 (2014)

V.Zagrebaev, A.Karpov, W.Greiner

Synthesis of Superheavy Nuclei: Nearest and Distant Opportunities

doi: 10.5506/APhysPolB.45.291
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2013RA06      Bull.Rus.Acad.Sci.Phys. 77, 411 (2013); Izv.Akad.Nauk RAS, Ser.Fiz 77, 458 (2013)

V.A.Rachkov, A.Adel, A.V.Karpov, A.S.Denikin, V.I.Zagrebaev

Effect of Neutron Transfer Channels in Fusion Reactions with Weakly Bound Nuclei at Subbarrier Energies

NUCLEAR REACTIONS 209Bi(7Li, X), 206,208Pb(9Li, X), (11Li, X), 152Sm(6Li, X), (7Li, X), (9Li, X), (11Li, X), E(cm)<40 MeV; calculated fusion σ. Empirical coupled-channel model, comparison with available data.

doi: 10.3103/S1062873813040199
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2012AD01      Nucl.Phys. A876, 119 (2012)

A.Adel, V.A.Rachkov, A.V.Karpov, A.S.Denikin, M.Ismail, W.M.Seif, A.Y.Ellithi

Effect of neutron rearrangement on subbarrier fusion reactions

NUCLEAR REACTIONS 7Li(54Cr, X), 9Li(52Cr, X), E(cm)=7-14 MeV;11Li(50Cr, X), E(cm)=5-14 MeV;16O(52Cr, X), 18O(50Cr, X), E(cm)=24-30 MeV;16O(116Sn, X), 18O(114Sn, X), E(cm)=45-63 MeV;32S(58Ni, X), (64Ni, X), E(cm)=52-74 MeV;40Ca(48Ca, X), E(cm)=46-58 MeV;40Ca(124Sn, X), E(cm)=106-130 MeV;48Ca(50Cr, X), 44Ca(54Cr, X), E(cm)=56-66 MeV;58Ni(58Ni, X), (64Ni, X), E(cm)=88-114 MeV; calculated fusion σ using empirical channel coupling with neutron transfer.

doi: 10.1016/j.nuclphysa.2012.01.004
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2012KA03      Int.J.Mod.Phys. E21, 1250013 (2012)

A.V.Karpov, V.I.Zagrebaev, Y.Martinez Palenzuela, L.F.Ruiz, W.Greiner

Decay propertes and stability of heaviest elements

NUCLEAR STRUCTURE Z<132; calculated T1/2. 291,293Cn; deduced island of stability.

doi: 10.1142/S0218301312500139
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2012MA60      Bull.Rus.Acad.Sci.Phys. 76, 1165 (2012)

Y.Martinez Palenzuela, L.F.Ruiz, A.Karpov, W.Greiner

Systematic study of decay properties of heaviest elements

RADIOACTIVITY 291,293Cn(β-); calculated T1/2; deduced island of stability. Comparison with available data.

doi: 10.3103/S1062873812110172
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2012ZA01      Phys.Rev. C 85, 014608 (2012)

V.I.Zagrebaev, A.V.Karpov, W.Greiner

Possibilities for synthesis of new isotopes of superheavy elements in fusion reactions

NUCLEAR REACTIONS 250Cm, 251Cf, 254Es, 239Pu, 243Cm, 241Am(48Ca, X), 251Cf(40Ar, X), 243Am(44Ca, X), E*=25-55 MeV; calculated superheavy (SH) nuclei production cross sections, survival probability. Extension of production of SHE region. Empirical channel coupling model for Coulomb barrier and two-center shell model for energy surface calculations.

RADIOACTIVITY 285Mc, 286,287,288Lv, 299119(α); suggested decay chains, including possible EC decay of some of the intermediate nuclides in the decay chain.

doi: 10.1103/PhysRevC.85.014608
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2011ZA07      Phys.Rev. C 84, 044617 (2011)

V.I.Zagrebaev, A.V.Karpov, I.N.Mishustin, W.Greiner

Production of heavy and superheavy neutron-rich nuclei in neutron capture processes

NUCLEAR STRUCTURE Z=100-126, N=140-190; calculated decay modes and T1/2 of superheavy nuclei. A=238-265; calculated yields of heavy nuclei and compared with experimental values. Z=92-103; calculated yields of superheavy elements in reactors. 291,293Cn; discussed formation of long-lived SHE in astrophysical r processes.

doi: 10.1103/PhysRevC.84.044617
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2010ZA04      Phys.Rev. C 81, 044608 (2010)

V.I.Zagrebaev, A.V.Karpov, W.Greiner

True ternary fission of superheavy nuclei

RADIOACTIVITY 292Lv(SF) [from 248Cm(48Ca, X), E not given]; 476184(SF)[from 238U(238U, X), E not given]; calculated adiabatic potential energies for ternary fission using liquid drop model (LDM) plus shell corrections within the formalism of two-center shell-model (TCSM).

doi: 10.1103/PhysRevC.81.044608
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2008HI13      Phys.Atomic Nuclei 71, 1361 (2008); Yad.Fiz. 71, 1389 (2008)

R.M.Hiryanov, A.V.Karpov, G.D.Adeev

Stochastic model of angular distributions of fragments originating from the fission of excited compound nuclei

NUCLEAR REACTIONS 208Pb, 209Bi, 232Th, 238U, 248Cm(16O, X), E=85-148 MeV; 224Th, 225Pa, 248Cm, 254Fm, 264Rf; calculated fusion σ, fission fragments angular aniostropy, pre-scission neutron multiplicities; stochastic model of fission; Langevin equation; Monte Carlo algorithm.

doi: 10.1134/S106377880808005X
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2008KA02      J.Phys.(London) G35, 035104 (2008)

A.V.Karpov, A.Kelic, K.-H.Schmidt

On the topographical properties of fission barriers

doi: 10.1088/0954-3899/35/3/035104
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2008RY05      Phys.Rev. C 78, 044614 (2008)

E.G.Ryabov, A.V.Karpov, P.N.Nadtochy, G.D.Adeev

Application of a temperature-dependent liquid-drop model to dynamical Langevin calculations of fission-fragment distributions of excited nuclei

NUCLEAR STRUCTURE 156,159,162Yb, 184,185Pt, 195Hg, 224Th, 244Cm, 248Cf, 254Fm, 264Rf; calculated potential energy surfaces, σ, fission fragment distributions using stochastic approach.

doi: 10.1103/PhysRevC.78.044614
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2007KA01      J.Phys.(London) G34, 255 (2007)

A.V.Karpov, R.M.Hiryanov, A.V.Sagdeev, G.D.Adeev

Dynamical treatment of fission fragment angular distribution

NUCLEAR REACTIONS 232Th, 238U, 248Cf(16O, F), E=90-160 MeV; calculated fission fragment angular distributions. Dynamical approach.

doi: 10.1088/0954-3899/34/2/007
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2007RU16      Phys.Atomic Nuclei 70, 1679 (2007); Yad.Fiz. 70, 1724 (2007)

A.Ya.Rusanov, G.D.Adeev, M.G.Itkis, A.V.Karpov, P.N.Nadtochy, V.V.Pashkevich, I.V.Pokrovsky, V.S.Salamatin, G.G.Chubarian

Investigation of the reaction 208Pb(18O, f): Fragment spins and phenomenological analysis of the angular anisotropy of fission fragments

NUCLEAR REACTIONS 208Pb(18O, F), E=78.0-198.5 MeV; measured Eγ, Iγ, average multiplicity from fission fragments. Deduced total spins of fission fragments.

doi: 10.1134/S106377880710002X
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2007RY01      Phys.Part. and Nucl.Lett. 4, 29 (2007); Pisma Zh.Fiz.Elem.Chast.Atom.Yadra No.1 [137], 54 (2007)

E.G.Ryabov, A.V.Karpov, G.D.Adeev

Analysis of Angular Momentum Dependence of Fission Fragment Mass-Energy Distribution Within Langevin Dynamics

NUCLEAR STRUCTURE 162Yb, 184Pt, 244Cm; calculated fission fragments mass-energy distributions vs excitation energy. Three-dimensional Langevin calculations.

doi: 10.1134/S1547477107010062
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2007ZA12      Physics of Part.and Nuclei 38, 469 (2007)

V.Zagrebaev, A.Karpov, Y.Aritomo, M.Naumenko, W.Greiner

Potential energy of a heavy nuclear system in fusion-fission processes

doi: 10.1134/S106377960704003X
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2006RY01      Nucl.Phys. A765, 39 (2006)

E.G.Ryabov, A.V.Karpov, G.D.Adeev

Influence of angular momentum on fission fragment mass distribution: Interpretation within Langevin dynamics

NUCLEAR STRUCTURE 244Cm, 184Pt, 162Yb; calculated fission fragment mass distributions, angular momentum dependence, fission barriers, neutron binding energies, prescission neutron multiplicities, fission and neutron widths. Finite-range liquid-drop model, three-dimensional Langevin dynamics, comparisons with data.

doi: 10.1016/j.nuclphysa.2005.10.005
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2005AD38      Fiz.Elem.Chastits At.Yadra 36, 712 (2005); Physics of Part.and Nuclei 36, 378 (2005)

G.D.Adeev, A.V.Karpov, P.N.Nadtochy, D.V.Vanin

Multidimensional Stochastic Approach to the Fission Dynamics of Excited Nuclei


2004KA29      Nucl.Phys. A734, E37 (2004)

A.V.Karpov, P.N.Nadtochy, E.G.Ryabov, D.V.Vanin, G.D.Adeev

Level-density parameter of hot rotating fissioning nuclei within the finite-range liquid-drop model

NUCLEAR STRUCTURE Z=47-116; 109Ag, 306Lv; calculated level density parameters. Finite-range liquid-drop model.

doi: 10.1016/j.nuclphysa.2004.03.014
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2003KA44      J.Phys.(London) G29, 2365 (2003)

A.V.Karpov, P.N.Nadtochy, E.G.Ryabov, G.D.Adeev

Consistent application of the finite-range liquid-drop model to Langevin fission dynamics of hot rotating nuclei

NUCLEAR STRUCTURE 109Ag, 224Th, 306Lv; calculated level density parameters vs deformation. 186Os; calculated fission barrier heights vs temperature and angular momentum. Generalized finite-range liquid drop model.

NUCLEAR REACTIONS 181Ta(19F, X), 208Pb(16O, X), E ≈ 20-200 MeV; calculated prescission neutron multiplicity, fission probability. Generalized finite-range liquid drop model.

doi: 10.1088/0954-3899/29/10/305
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2003NA11      Yad.Fiz. 66, 1240 (2003); Phys.Atomic Nuclei 66, 1203 (2003)

P.N.Nadtochy, A.V.Karpov, D.V.Vanin, G.D.Adeev

Reduction Coefficient in Surface-Plus-Window Dissipation: Analysis of Experimental Data from Fusion-Fission Reactions within a Stochastic Approach

NUCLEAR REACTIONS 209Bi(α, X), 194Pt, 232Th(12C, X), 170Er, 182W, 208Pb, 232Th(16O, X), 144,154Sm, 197Au, 238U(18O, X), 232Th, 240Pu(20Ne, X), 169Tm(36Ar, X), E ≈ 80-215 MeV; calculated fission probabilities, fragment angular and mass distributions, neutron multiplicities. Three-dimensional stochastic approach.

doi: 10.1134/1.1586438
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2002KA36      Eur.Phys.J. A 14, 169 (2002)

A.V.Karpov, G.D.Adeev

Langevin Description of Charge Fluctuations in Fission of Highly Excited Nuclei

NUCLEAR REACTIONS 232Th(α, F), E not given; calculated fission fragments charge variance distribution as function of nuclear viscosity. Stochastical approach.

doi: 10.1140/epja/i2002-10004-2
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2002KA54      Yad.Fiz. 65, 1637 (2002); Phys.Atomic Nuclei 65, 1596 (2002)

A.V.Karpov, G.D.Adeev

Langevin Description of the Charge Distribution of Fragments Originating from the Fission of Excited Nuclei

NUCLEAR REACTIONS 232U(α, F), E*=110 MeV; calculated fission fragment charge distribution. Stochastic approach, Langevin equations.

doi: 10.1134/1.1508691
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2002NA15      Yad.Fiz. 65, 832 (2002); Phys.Atomic Nuclei 65, 799 (2002)

P.N.Nadtochy, A.V.Karpov, G.D.Adeev

Langevin Fission Dynamics of Hot Rotating Nuclei: Systematic application to Z2/A = 34-42 heavy nuclei

NUCLEAR REACTIONS 194Pt, 232Th(12C, F), E ≈ 99 MeV; 197Au, 238U(18O, F), E=159 MeV; 208Pb(16O, F), E=108 MeV; 209Bi, 240Pu(20Ne, F), E ≈ 150 MeV; calculated fission fragment energy and mass distributions, prescission neutron yields. Langevin dynamics.

doi: 10.1134/1.1481471
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2002NA16      Phys.Rev. C65, 064615 (2002)

P.N.Nadtochy, G.D.Adeev, A.V.Karpov

More Detailed Study of Fission Dynamics in Fusion-Fission Reactions within a Stochastic Approach

NUCLEAR REACTIONS 154Sm, 197Au, 238U(18O, X), E=159 MeV; 169Tm(36Ar, X), E=205 MeV; 232Th(20Ne, X), E=215 MeV; calculated fission fragments average kinetic energy, prescission neutron multiplicity, fragment mass distributions following compound nucleus fission. Three-dimensional stochastic approach.

doi: 10.1103/PhysRevC.65.064615
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2001KA30      Phys.Rev. C63, 054610 (2001)

A.V.Karpov, P.N.Nadtochy, D.V.Vanin, G.D.Adeev

Three-Dimensional Langevin Calculations of Fission Fragment Mass-Energy Distribution from Excited Compound Nuclei

NUCLEAR REACTIONS 194Pt(12C, F), E=99 MeV; 208Pb(16O, F), E=108 MeV; 232Th(12C, F), E=97 MeV; 240Pu(20Ne, F), E=142, 174 MeV; calculated fission fragments energy, mass distributions, prescission neutron multiplicities. Three-dimensional Langevin dynamics, comparisons with data.

doi: 10.1103/PhysRevC.63.054610
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2001NA26      Yad.Fiz. 64, No 5, 926 (2001); Phys.Atomic Nuclei 64, 861 (2001)

P.N.Nadtochy, A.V.Karpov, D.V.Vanin, G.D.Adeev

Mass-Energy Distribution of Fragments from the Fission of Excited Nuclei within Three-Dimenstional Langevin Dynamics

NUCLEAR REACTIONS 194Pt(12C, F), E=99 MeV; calculated fission fragments kinetic energy and mass distributions. Three-dimensional Langevin dynamics.

doi: 10.1134/1.1378876
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