NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = I.Guseva Found 21 matches. 2023GU02 Nucl.Phys. A1030, 122592 (2023) 241Am and 245Cm as candidates for the ROT effect investigation NUCLEAR REACTIONS 241Am, 245Cm(n, F), E<1 MeV; calculated fission σ induced by low-energy neutrons using the SAMMY code, shifts of angular distributions of α-particles (ROT effect); deduced the presence of four sufficiently pure resonances with different spins and with a minimal admixture of σ corresponding to states with another possible spin of the compound nucleus.
doi: 10.1016/j.nuclphysa.2022.122592
2022GU05 Phys.Atomic Nuclei 85, 17 (2022) I.S.Guseva, A.M.Gagarski, G.V.Valski, T.A.Zavarukhina, T.E.Kuzmina Detailed Investigation of Neutron-Neutron Angular Correlations in the Spontaneous Fission of 252Cf RADIOACTIVITY 252Cf(SF); measured decay products, En, In, n-n-coin.; deduced angular nn correlation versus the parameter of the neutron-emission anisotropy, angular dependence of the counting rate for nn coincidences. Comparison with calculations.
doi: 10.1134/S1063778821060077
2022GU25 Phys.Part. and Nucl.Lett. 19, 653 (2022) Comparative Analysis of the Magnitude and Sign of the ROT Effect for 235U, 241Am, 245Cm Nuclei at Low Neutron Energy Inducing Their Fission NUCLEAR REACTIONS 235U, 241Am, 245Cm(polarized n, F), E < 2 eV; calculated partial σ using code SAMMY, the angular asymmetry of the emission of γ-quanta in binary-fission; deduced sign of the ROT (the compound nucleus rotation before its rupture) effect. Comparison with experimental data.
doi: 10.1134/S1547477122060127
2018CH44 Eur.Phys.J. A 54, 98 (2018) A.Chietera, L.Stuttge, F.Gonnenwein, Yu.Kopatch, M.Mutterer, A.Gagarski, I.Guseva, E.Chernysheva, F.-J.Hambsch, F.Hanappe, Z.Mezentseva, S.Telezhnikov Angular correlations in the prompt neutron emission of spontaneous fission of 252Cf RADIOACTIVITY 252Cf(SF); measured En, In(θ), n-n correlations, fission fragments using angle-sensitive twin ionization chamber CODIS for fission fragments and the DEMOLN neutron assembly; deduced anisotropy coefficient; calculated, simulated anisotropy of neutron evaporation and emission of scission neutron within the method suggested by Bunakov and Guseva; deduced parameters for light and for heavy fragments.
doi: 10.1140/epja/i2018-12529-y
2018GU14 Phys.Atomic Nuclei 81, 447 (2018) I.S.Guseva, A.M.Gagarski, V.E.Sokolov, G.A.Petrov, A.S.Vorobyev, G.V.Valsky, T.A.Zavarukhina Detailed Investigations of Neutron-Neutron Angular Correlations in Slow-Neutron-Induced Fission of 233U, 235U, and 239Pu NUCLEAR REACTIONS 233,235U, 239Pu(n, f), E=slow; measured fission neutrons En, In(θ, time), n-n-coin; deduced coincidences vs time interval, nn-coin σ (in relative units) using different values of neutron detection thresholds (Ethresh=490-2080 keV) for different scisssion component admixtures; compared with Monte Carlo simulations.
doi: 10.1134/S1063778818040051
2016GA15 Phys.Rev. C 93, 054619 (2016) A.Gagarski, F.Gonnenwein, I.Guseva, P.Jesinger, Yu.Kopatch, T.Kuzmina, E.Lelievre-Berna, M.Mutterer, V.Nesvizhevsky, G.Petrov, T.Soldner, G.Tiourine, W.H.Trzaska, T.Zavarukhina Particular features of ternary fission induced by polarized neutrons in the major actinides 233, 235U and 239, 241Pu NUCLEAR REACTIONS 233,235U, 239,241Pu(polarized n, F), E=cold longitudinally polarized neutron beam from High Flux Reactor at ILL-Grenoble; measured fission fragments and ternary particles, ternary particles (TP)-light fission fragments (LF)-coin, angular asymmetries, angular distributions of ternary particles, trajectories of fragments and ternary α particle, angular ROT shift, TRI asymmetry; analyzed ROT (collective rotation of the compound nucleus down to scission) and TRI (influence of the rotating nucleus on the emission probability of ternary particles) effects, correlation between neutron spin, the momenta light fission (LF) fragment, and ternary particles (TP).
doi: 10.1103/PhysRevC.93.054619
2015CH22 Acta Phys.Pol. B46, 569 (2015) A.Chietera, L.Stuttge, F.Gonnenwein, Yu.Kopatch, M.Mutterer, I.Guseva, A.Gagarski, E.Chernysheva, O.Dorvaux, F.J.Hambsch, F.Hanappe, Z.Mezentsevah, S.Telezhnikovch Neutron Emission Anisotropy in Fission RADIOACTIVITY 252Cf(SF); calculated neutron yields, σ(θ). GEANT4, MENATE_R codes.
doi: 10.5506/APhysPolB.46.569
2010VA06 Bull.Rus.Acad.Sci.Phys. 74, 767 (2010); Izv.Akad.Nauk RAS, Ser.Fiz 74, 803 (2010) G.V.Valsky, A.M.Gagarski, I.S.Guseva, D.O.Krinitsin, G.A.Petrov, Yu.S.Pleva, V.E.Sokolov, V.I.Petrova, T.A.Zavarukhina, T.E.Kuzmina Shift in the angular distributions of γ quanta accompanying 235U fission by polarized thermal neutrons NUCLEAR REACTIONS 235U(n, F), E=thermal; measured fission fragments, Eγ, Iγ; deduced shift in γ-ray angular distribution.
doi: 10.3103/S1062873810060080
2008GA21 Bull.Rus.Acad.Sci.Phys. 72, 773 (2008) A.M.Gagarski, I.S.Guseva, V.E.Sokolov, G.V.Valski, G.A.Petrov, D.O.Krinitsin, D.V.Nikolaev, T.A.Zavarukhina, V.I.Petrova Neutron-neutron angular correlations in spontaneous fission of 252Cf RADIOACTIVITY 252Cf(SF); measured Eγ, Iγ, neutron yields and angular correlations. Comparisons with model calculations. NUCLEAR REACTIONS 235U(n, F), E=thermal; analyzed neutron-neutron angular correlations. Comparisons between experimental and theoretical results.
doi: 10.3103/S1062873808060130
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
2008PE21 Phys.Atomic Nuclei 71, 1149 (2008); Yad.Fiz. 71, 1177 (2008) G.A.Petrov, A.M.Gagarskii, I.S.Guseva, Yu.N.Kopatch, F.Gonnenwein, M.Mutterer Prospects for further studies of effects of T-odd asymmetry in the emission of light particles in the polarized-neutron-induced ternary fission of heavy nuclei NUCLEAR REACTIONS 233U(polarized n, F), E=resonance;235U(polarized n, F), E=resonance;239Pu(polarized n, F), E=resonance;245Cm(polarized n, F), E=resonance; analyzed ternary fission fragments angular correlations, asymmetries; Comparison with trajectory calculations.
doi: 10.1134/S1063778808070041
2007GU11 Bull.Rus.Acad.Sci.Phys. 71, 367 (2007); Izv.Akad.Nauk RAS, Ser.Fiz. 71, 382 (2007) A Shift of the Angular Distribution of Light Charged Particles Due to the Rotation of the Fissioning Nucleus NUCLEAR REACTIONS 235U(n, f), E=low; measured the asymmetry in the emission of light charged particles accompanying the fission; deduced the shift in the angular distribution of α particles due to the prescission rotation of the compound nucleus.
doi: 10.3103/S1062873807030136
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
2006BU29 Bull.Rus.Acad.Sci.Phys. 70, 1853 (2006) V.E.Bunakov, I.S.Guseva, S.G.Kadmensky, G.A.Petrov Angular anisotropy of neutrons evaporated from fission fragments NUCLEAR STRUCTURE A=100, 145; calculated anisotropy of the neutron yields in the fission fragment center-of-mass system.
2003BA36 Yad.Fiz. 66, 708 (2003); Phys.Atomic Nuclei 66, 679 (2003) A.L.Barabanov, V.E.Bunakov, I.S.Guseva, G.A.Petrov T-Odd Angular Asymmetry in Nuclear Reactions Involving Sequential Particle Emission NUCLEAR REACTIONS 10B(n, αγ), 233U(n, αF), E=low; calculated angular correlations, related features.
doi: 10.1134/1.1575566
2002BB13 Bull.Rus.Acad.Sci.Phys. 66, 715 (2002) A.L.Barabanov, V.E.Bunakov, I.S.Guseva, G.A.Petrov T-Odd Correlations in Nuclear Reactions with Successive Particle Emission
2000AL21 Yad.Fiz. 63, No 4, 598 (2000); Phys.Atomic Nuclei 63, 539 (2000) V.P.Alfimenkov, A.N.Chernikov, A.M.Gagarsky, S.P.Golosovskaya, I.S.Guseva, I.S.Krasnoschokova, L.Lason, Yu.D.Mareev, V.V.Novitsky, G.A.Petrov, V.I.Petrova, A.K.Petukhov, L.B.Pikelner, Yu.S.Pleva, V.E.Sokolov, M.I.Tsulaya, V.M.Tsulaia Investigation of Parity Violation and Interference Effects in the Angular Distributions of Fragments Originating from 233U Fission Induced by Resonance Neutrons NUCLEAR REACTIONS 233U(polarized n, F), E=0.02-70 eV; measured fission fragment σ(θ), asymmetry parameters; deduced p-wave resonance parameters.
doi: 10.1134/1.855664
2000GA43 Pisma Zh.Eksp.Teor.Fiz. 72, 416 (2000); JETP Lett. 72, 286 (2000) A.M.Gagarski, G.V.Valsky, G.A.Petrov, Yu.E.Loginov, V.E.Bunakov, I.S.Guseva, V.I.Petrova, T.A.Zavarukhina Triple Correlation in the 10B(n, αγ)7Li Reaction NUCLEAR REACTIONS 10B(polarized n, α), E=thermal; calculated αγ correlation parameters, time reversal invariance related features.
doi: 10.1134/1.1328438
1999AL02 Nucl.Phys. A645, 31 (1999) V.P.Alfimenkov, A.N.Chernikov, L.Lason, Yu.D.Mareev, V.V.Novitsky, L.B.Pikelner, V.R.Skoy, M.I.Tsulaya, A.M.Gagarsky, I.S.Guseva, S.P.Golosovskaya, I.A.Krasnoschokova, A.M.Morozov, G.A.Petrov, V.I.Petrova, A.K.Petukhov, Yu.S.Pleva, V.E.Sokolov, G.V.Valsky, S.M.Soloviev Investigations of Parity Violation and Interference Effects in 235U Fission Induced by Resonance Neutrons NUCLEAR REACTIONS 235U(n, F), (polarized n, F), E=0.02-90 eV; measured fission fragment σ(θ); deduced P-odd and P-even asymmetry coefficients, p-resonances parameters.
doi: 10.1016/S0375-9474(98)00577-6
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. 1979GR23 Izv.Akad.Nauk SSSR, Ser.Fiz. 43, 104 (1979); Bull.Acad.Sci.USSR, Phys.Ser. 43, No.1, 85 (1979) E.P.Grigorev, I.S.Guseva, Y.I.Kharitonov Structure of the Isomeric States of 153Ho, 160Ho, and 152Eu NUCLEAR STRUCTURE 158,160Ho, 152Eu; calculated B(λ). Unified model.
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