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NSR database version of April 11, 2024.

Search: Author = O.Shcherbakov

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2023VO03      JETP Lett. 117, 557 (2023)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov

Measurement of the Cross Section for the Neutron-Induced Fission of ²³⁸U Nuclei in the Energy Range of 0.3-500 MeV

NUCLEAR REACTIONS ^235,238U(n, F), E=0.3-500 MeV; measured reaction products, TOF; deduced anisotropy of the angular distribution of fission fragments, ratio of the fission σ, fission σ and uncertainties. Comparison with ENDF/B-VIII.0 and EXFOR libraries. The time-of-flight spectrometer of the GNEIS neutron complex at the Petersburg Nuclear Physics Institute, National Research Center Kurchatov Institute based on the SC-1000 synchrocyclotron with a 1-GeV proton beam.

doi: 10.1134/S0021364023600787
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41756.

2023VO04      Phys.Rev. C 108, 014621 (2023)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov, T.E.Kuzmina

Measurement of the ²³⁶U fission cross section and angular distributions of fragments from fission of ²³⁵U and ²³⁶U in the neutron-energy range of 0.3-500 MeV

NUCLEAR REACTIONS ^235,236U(n, F), E=0.300-500 MeV; measured neutron time-of-flight spectrum, fission fragments, angular distributions; deduced fission fragment angular anisotropy, absolute fission σ(E) ratio ²³⁶U/²³⁵U, fission σ(E) of ²³⁶U. Comparison to other experimental results, theoretical calculations with modified TALYS-1.9 and ENDF/B-VIII.0, JEFF-3.3, JENDL-5, ROSFOND-2010, CENDL-3.2 evaluations. Fission events registered using the position-sensitive low pressure multiwire proportional counters (MWPCs) at the neutron complex GNEIS (NRC "Kurchatov institute"-PNPI, Gatchina).

doi: 10.1103/PhysRevC.108.014621
Citations: PlumX Metrics

2020BA28      Bull.Rus.Acad.Sci.Phys. 84, 397 (2020)

A.L.Barabanov, A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene

Theoretical Analysis of Experimental Data on the Angular Anisotropy of Fragments of Nuclear Fission Induced by Neutrons at Energies of up to 200 MeV

doi: 10.3103/S1062873820040036
Citations: PlumX Metrics

2020SH30      Bull.Rus.Acad.Sci.Phys. 84, 1252 (2020)

O.A.Shcherbakov, A.S.Vorobyev, A.M.Gagarski, L.A.Vaishnene

Investigating the (n, γf) Reaction as a Way of Studying the Properties of Transitions between Highly Excited States in Heavy Nuclei

NUCLEAR REACTIONS ²³⁵U, ²³⁹Pu(n, F), E=4-130 eV; measured fission products, Eγ, Iγ; deduced γ-ray multiplicities, widths. Comparison with theoretical calculations.

doi: 10.3103/S1062873820100214
Citations: PlumX Metrics

2020VO11      Bull.Rus.Acad.Sci.Phys. 84, 1245 (2020)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov, T.E.Kuzmina

Fragment-Emission Anisotropy in ²³²Th, ²³³U, ²³⁵U, ²³⁸U, ²³⁹Pu, ²³⁷Np, ^natPb, and ²⁰⁹Bi Fission Induced by Neutrons with Intermediate Energies of 1-200 MeV

NUCLEAR REACTIONS ²³²Th, ^233,235,238U, ²³⁹Pu, ²³⁷Np, Pb, ²⁰⁹Bi(n, F), E=1-200 MeV; analyzed available data; deduced fragment angular distributions, fragment-emission anisotropy.

doi: 10.3103/S1062873820100299
Citations: PlumX Metrics

2020VO13      JETP Lett. 112, 323 (2020)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov

Measurement of the Angular Distributions of Fission Fragments from the Neutron-Induced Fission of ²⁴⁰Pu Nuclei in the Energy Range of 1-200 MeV and Their Model Analysis

NUCLEAR REACTIONS ²⁴⁰Pu(n, F), E=1-200 MeV; measured reaction products; deduced angular distributions of fission fragments, angular anisotropy. Comparison with TALYS σ calculations, available data.

doi: 10.1134/S0021364020180125
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41737.

2019NA33      Phys.Atomic Nuclei 82, 1661 (2019)

A.V.Nakin, A.S.Vorobyev, O.A.Shcherbakov

GEANT4 Simulation of the High-Energy Neutron Beam of the TOF Spectrometer GNEIS

NUCLEAR REACTIONS ²⁰⁸Pb(p, n), E=1-1000 MeV[neutrons from the TOF spectrometer GNEIS based on SC-1000 synchrocyclotron at PNPI Gatchina; calculated, simulated neutron source flux characteristics between 1 and 100 MeV of ToF using the QGSP_INCLXX_HP model and the GEANT4 code calculated relative neutron flux intensity using different models, neutron energy spectra σ(En); compared with experimental data; compared with experimental data; deduced the difference between calculations and data being small at energies below 200 MeV.

doi: 10.1134/S1063778819120196
Citations: PlumX Metrics

2019VO12      JETP Lett. 110, 242 (2019)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov

Angular Distributions and Anisotropy of Fragments from the Neutron-Induced Fission of ²³⁷Np in the Energy Range of 1-200 MeV: Measurement Data and Model Calculations

NUCLEAR REACTIONS ²³⁷Np(n, F), E=1-200 MeV; measured fission fragment products; deduced angular anisotropy of fragments. Comparison with TALYS calculations.

doi: 10.1134/s0021364019160124
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41686.

2018VO07      JETP Lett. 107, 521 (2018)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov

Angular Distributions and Anisotropy of the Fragments from Neutron-Induced Fission of ²³⁹Pu and ^natPb in the Energy Range of 1-200 MeV

NUCLEAR REACTIONS ²³⁹Pu, Pb(n, F), E=1-200 MeV; measured reaction products; deduced σ(θ). Comparison with EXFOR database.

doi: 10.1134/S0021364018090138
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41658.

2018VO14      Bull.Rus.Acad.Sci.Phys. 82, 1240 (2018)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov

Angular Distribution and Anisotropy of Fission Fragments in Reactions Induced by Neutrons with Intermediate Energies of 1 to 200 MeV

NUCLEAR REACTIONS ²³²Th, ^233,235,238U, Pb, ²⁰⁹Bi(n, f), E=fission threshold - 200 MeV; measured fission fragments using ToF spectrometer with neutron source based on 1 GeV proton synchrocyclotron; deduced σ(θ), differences between results obtained in different works. Results for Pb and for ²⁰⁹Bi obtained for the first time.

doi: 10.3103/S1062873818100258
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41658.

2018VO15      Bull.Rus.Acad.Sci.Phys. 82, 1245 (2018)

A.S.Vorobyev, O.A.Shcherbakov, A.M.Gagarski, G.V.Valski, G.A.Petrov

Angular and Energy Distributions of Prompt Fission Neutrons from the Thermal-Neutron Induced Fission of ²³³U, ²³⁵U, and ²³⁹Pu and the Spontaneous Fission of ²⁵²Cf using the model of neutron emission from fully accelerated fragments.

doi: 10.3103/S106287381810026X
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41618.

2017EG01      Prog.Nucl.Energy 97, 106 (2017)

A.S.Egorov, V.M.Piksaikin, A.A.Goverdovski, D.E.Gremyachkin, K.V.Mitrofanov, V.F.Mitrofanov, B.F.Samylin, L.A.Vaishnene, F.V.Moroz, A.S.Vorobyev, O.A.Shcherbakov

Measurement of the delayed neutron characteristics in the interaction of relativistic protons with ²³⁸U nuclei

NUCLEAR REACTIONS ²³⁸U(p, X)¹NN, E=1 GeV; measured reaction products, En, In; deduced σ, energy dependence of the average T_1/2 of delayed neutron precursors, relative abundances of delayed neutron precursors.

doi: 10.1016/j.pnucene.2017.01.002
Citations: PlumX Metrics

2017VO12      J.Exper.Theo.Phys. 125, 619 (2017); Zh.Eksp.Teor.Fiz. 152, 730 (2017)

A.S.Vorobyev, O.A.Shcherbakov, A.M.Gagarski, G.A.Petrov, G.V.Valski

Experimental determination of the yield of "scission" neutrons from the spontaneous fission of ²⁵²Cf

doi: 10.1134/S1063776117080209
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41618.

2016CA03      Nucl.Data Sheets 131, 1 (2016)

R.Capote, Y.-J.Chen, F.-J.Hambsch, N.V.Kornilov, J.P.Lestone, O.Litaize, B.Morillon, D.Neudecker, S.Oberstedt, T.Ohsawa, N.Otuka, V.G.Pronyaev, A.Saxena, O.Serot, O.A.Shcherbakov, N.-C.Shu, D.L.Smith, P.Talou, A.Trkov, A.C.Tudora, R.Vogt, A.S.Vorobyev

Prompt Fission Neutron Spectra of Actinides

NUCLEAR REACTIONS ²³²Th, ^{233,234,235,238}U, ²³⁷Np, ²³⁹Pu(n, F), E<30 MeV; calculated prompt fission En, In; Comparison with available data.

doi: 10.1016/j.nds.2015.12.002
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset33084.

2016VO12      JETP Lett. 104, 365 (2016)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov

Angular distributions and anisotropy of the fragments from neutron-induced fission of ²³³U and ²⁰⁹Bi in the intermediate energy range of 1-200 MeV

NUCLEAR REACTIONS ²³³U, ²⁰⁹Bi(n, F), E=1-200 MeV; measured reaction products, En, In; deduced σ(θ). Comparison with available data.

doi: 10.1134/S002136401618003X
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41616.

2015VO14      JETP Lett. 105, 203 (2015)

A.S.Vorobyev, A.M.Gagarski, O.A.Shcherbakov, L.A.Vaishnene, A.L.Barabanov

Anisotropy of the fission fragments from neutron-induced fission in the intermediate energy range of 1-200 MeV

NUCLEAR REACTIONS ²³²Th, ^235,238U(n, F), E=1-200 MeV; measured fission fragments; deduced anisotropy of fission fragments. Comparison with available data.

doi: 10.1134/S0021364015160134
Citations: PlumX Metrics

2008PE20      Phys.Atomic Nuclei 71, 1137 (2008); Yad.Fiz. 71, 1165 (2008)

G.A.Petrov, A.M.Gagarski, I.S.Guseva, V.E.Sokolov, G.V.Valski, A.S.Vorobiev, D.O.Krinitcin, O.A.Shcherbakov, D.V.Nikolaev, Yu.S.Pleva, V.I.Petrova, T.A.Zavarukhina

Basic results of investigations of scission neutrons in nuclear fission at low excitation energies

RADIOACTIVITY ²⁵²Cf(SF);measured correlated neutron time-of-flight spectra, En, σ(dθ);scintillation detectors, n-γ pulse shape discrimination.

NUCLEAR REACTIONS ²³⁵U(n, f), E=thermal; measured correlated neutron time-of-flight spectra, En, σ(dθ), average E_n(θ), σ(dθ);neutron and gas-filled wire fission fragment detectors, n-γ pulse shape discrimination; comparison with isotropic emission model.

doi: 10.1134/S1063778808070028
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41516.

2007RI15      Eur.Phys.J. A 32, 1 (2007)

D.Ridikas, A.Barzakh, V.Blideanu, J.C.David, D.Dore, D.Fedorov, X.Ledoux, F.Moroz, V.Panteleev, R.Plukiene, A.Plukis, A.Prevost, O.Shcherbakov, A.Vorobyev

Measurement of delayed neutron yields and time spectra from 1 GeV protons interacting with thick ^natPb targets

NUCLEAR REACTIONS Pb(p, X)¹⁷N/⁸⁷Br/⁸⁸Br, E=1 GeV; measured delayed neutron yields and precursor production cross sections.

doi: 10.1140/epja/i2007-10368-7
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0810.

2007VA09      Bull.Rus.Acad.Sci.Phys. 71, 354 (2007); Izv.Akad.Nauk RAS, Ser.Fiz. 71, 368 (2007)

G.V.Valskii, A.S.Vorobev, A.M.Gagarskii, I.S.Guseva, F.Gonnenwein, T.A.Zavarukhina, Yu.N.Kopach, D.O.Krinitsyn, M.Mutterer, G.A.Petrov, V.I.Petrova, V.E.Sokolov, O.A.Shcherbakov

Experimental Studies of Nuclear Fission Dynamics Near the Scission Point

NUCLEAR REACTIONS ^233,235U, ²³⁹Pu, ²⁴⁵Cm(polarized n, F), E=low; measured energy and angular distributions of the fission fragments; deduced symmetry coefficients of fragment emission.

doi: 10.3103/S1062873807030112
Citations: PlumX Metrics

2005SH15      J.Nucl.Sci.Technol.(Tokyo) 42, 135 (2005)

O.Shcherbakov, K.Furutaka, S.Nakamura, H.Sakane, K.Kobayashi, S.Yamamoto, J.-I.Hori, H.Harada

Measurement of Neutron Capture Cross Section of ²³⁷Np from 0.02 to 100 eV

NUCLEAR REACTIONS ²³⁷Np(n, γ), E=0.02-100 eV; measured average capture σ; deduced resonance integral. Comparison with previous results.

doi: 10.1080/18811248.2005.9726373
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22872.

2004DU01      Nucl.Instrum.Methods Phys.Res. A516, 539 (2004)

V.N.Dushin, F.-J.Hambsch, V.A.Jakovlev, V.A.Kalinin, I.S.Kraev, A.B.Laptev, D.V.Nikolaev, B.F.Petrov, G.A.Petrov, V.I.Petrova, Y.S.Pleva, O.A.Shcherbakov, V.I.Shpakov, V.E.Sokolov, A.S.Vorobyev, T.A.Zavarukhina

Facility for neutron multiplicity measurements in fission

RADIOACTIVITY ²⁵²Cf(SF); measured fission fragment mass distributions, neutron multiplicity.

doi: 10.1016/j.nima.2003.09.029
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41425.

2004LA10      Nucl.Phys. A734, E45 (2004)

A.B.Laptev, A.Yu.Donets, A.V.Fomichev, A.A.Fomichev, R.C.Haight, O.A.Shcherbakov, S.M.Soloviev, Yu.V.Tuboltsev, A.S.Vorobyev

Neutron Induced Fission Cross-Sections of ²⁴⁰Pu and ²⁴³Am in the Energy Range 1 - 200 MeV

NUCLEAR REACTIONS ²⁴⁰Pu, ²⁴³Am(n, F), E=1-200 MeV; measured fission σ.

doi: 10.1016/j.nuclphysa.2004.03.016
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41487.

2004SH01      Nucl.Instrum.Methods Phys.Res. A517, 269 (2004)

O.Shcherbakov, K.Furutaka, S.Nakamura, H.Harada, K.Kobayashi

A BGO detector system for studies of neutron capture by radioactive nuclides

NUCLEAR REACTIONS ¹⁰B, ¹⁹⁷Au, ²³⁷Np(n, γ), E=1-1000 eV; measured Eγ, Iγ, capture σ. BGO detector system.

doi: 10.1016/j.nima.2003.09.042
Citations: PlumX Metrics

2003NA04      J.Nucl.Sci.Technol.(Tokyo) 40, 119 (2003)

S.Nakamura, H.Wada, O.Shcherbakov, K.Furutaka, H.Harada, T.Katoh

Measurement of the Thermal Neutron Capture Cross Section and the Resonance Integral of the ¹⁰⁹Ag(n, γ)^110mAg Reaction

NUCLEAR REACTIONS ¹⁰⁹Ag(n, γ)^110mAg, E=thermal; measured capture σ, resonance integral. Activation technique, comparison with previous results.

RADIOACTIVITY ^110mAg(IT), (β^-) [from ¹⁰⁹Ag(n, γ)]; measured Eγ, Iγ.

doi: 10.1080/18811248.2003.9715341
Citations: PlumX Metrics
Data from this article have been entered in the EXFOR database. For more information, access X4 dataset22833.

1995AL26      Yad.Fiz. 58, No 5, 799 (1995); Phys.Atomic Nuclei 58, 737 (1995)

V.P.Alfimenkov, G.V.Valsky, A.M.Gagarsky, B.Geltenborg, I.S.Guseva, J.Last, G.A.Petrov, A.K.Petukhov, L.B.Pikelner, Yu.S.Pleva, V.E.Sokolov, V.I.Furman, K.Schreckenbach, O.A.Shcherbakov

Interference Effects in the Angular Distributions of Fragments of Heavy-Nucleus Fission Induced by Thermal and Resonance Neutrons

NUCLEAR REACTIONS ²²⁹Th, ^239,241Pu, ^233,235U, ²⁴¹Am, ²⁴⁵Cm(polarized n, F), E=cold; ^233,235U, ²³⁹Pu(polarized n, F), E=slow; analyzed P-odd, P-even asymmetry data following fission.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41174.

1991GA24      Pisma Zh.Eksp.Teor.Fiz. 54, 9 (1991); JETP Lett.(USSR) 54, 7 (1991)

A.M.Gagarsky, S.P.Golosovskaya, A.B.Laptev, G.A.Petrov, A.K.Petukhov, Yu.S.Pleva, V.E.Sokolov, O.A.Shcherbakov

Properties of p Resonances in the Fission of ²³⁵U by Neutrons with Energies of 1-136 eV

NUCLEAR REACTIONS ²³⁵U(n, F), E=1-136 eV; measured fission fragment asymmetry. ²³⁶U deduced p-wave resonance effective parameters.

1990SH22      Fiz.Elem.Chastits At.Yadra 21, 419 (1990); Sov.J.Part.Nucl 21, 177 (1990)

O.A.Shcherbakov

Experimental Investigations of the (n, γf) Reaction

NUCLEAR REACTIONS ²³⁵U, ²³⁹Pu(n, γF), E not given; analyzed γ-, X-ray data following fission; deduced (n, γF) reaction probability.

1989PE14      Nucl.Phys. A502, 297c (1989)

G.A.Petrov, G.V.Valsky, A.K.Petukhov, A.Ya.Aleksandrovich, Yu.S.Pleva, V.E.Sokolov, A.B.Laptev, O.A.Shcherbakov

Space Parity Violation in Nuclear Fission

NUCLEAR REACTIONS ^233,235,239U(polarized n, F), E=low; analyzed fission data; deduced space parity violation features.

doi: 10.1016/0375-9474(89)90670-2
Citations: PlumX Metrics

1985AB16      Nucl.Instrum.Methods 242, 121 (1985)

N.K.Abrosimov, G.Z.Borukhovich, A.B.Laptev, V.V.Marchenkov, G.A.Petrov, O.A.Shcherbakov, Yu.V.Tuboltsev, V.I.Yurchenko

Neutron Time-of-Flight Spectrometer GNEIS at the Gatchina 1 GeV Proton Synchrocyclotron

NUCLEAR REACTIONS ²³⁸U(n, γ), E=0.2-100 keV; measured capture γ yield vs E. Gatchina tof spectrometer.

doi: 10.1016/0168-9002(85)90896-4
Citations: PlumX Metrics

1977VI05      Yad.Fiz. 26, 936 (1977); Sov.J.Nucl.Phys. 26, 494 (1977)

V.N.Vinogradov, E.V.Gai, A.N.Glukhovets, N.S.Rabotnov, A.I.Stupak, M.Z.Tarasko, O.A.Shcherbakov

Measurement of Total Neutron Cross Sections of the Isotopes ⁵⁴Fe and ⁵⁶Fe by the Time-of-Flight Method in the Energy Range 1-70 keV

NUCLEAR REACTIONS ^54,56Fe(n, X), E=1-70 keV; measured total neutron σ(E).

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40556.

Note: The following list of authors and aliases matches the search parameter O.Shcherbakov: , O.A.SHCHERBAKOV