NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = O.A.Yuminov Found 79 matches. 2017ER04 Bull.Rus.Acad.Sci.Phys. 81, 725 (2017) D.O.Eremenko, V.A.Drozdov, A.A.Paskhalov, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Dynamic picture of the formation of spins of induced fission fragments
doi: 10.3103/S1062873817060089
2016ER03 Phys.Rev. C 94, 014602 (2016) D.O.Eremenko, V.A.Drozdov, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov Dynamic approach to description of entrance channel effects in angular distributions of fission fragments NUCLEAR REACTIONS 232Th(16O, F), 235,236,238U(12C, F), 235U(13C, F), E(cm)=50-160 MeV; calculated angular distributions of fission fragments, fission cross sections, multiplicity of prescission neutrons, relaxation time for the tilting mode, and the fraction of fission events occurring in times not larger than the relaxation time for the tilting mode using a newly proposed method for calculating the initial distributions of the total angular momentum projection onto the symmetry axis for the nuclear systems formed in the reactions of complete fusion of deformed nuclei with spins. Complete fusion-fission dynamics. Comparison with experimental data.
doi: 10.1103/PhysRevC.94.014602
2015ER03 Bull.Rus.Acad.Sci.Phys. 79, 450 (2015); Izv.Akad.Nauk RAS, Ser.Fiz 79, 491 (2015) D.O.Eremenko, V.A.Drozdov, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov A dynamic description of the decay of excited heavy nuclei taking into account the shell structure of the fission barriers RADIOACTIVITY 237,238,239,240,241,242Pu, 239,240,241,242,243,244Am(SF); calculated heights of the inner and outer fission barriers, fission probabilities. NUCLEAR REACTIONS 238U(α, X)240Pu/240Am/242Am, E not given; calculated yields, σ, fission T1/2.
doi: 10.3103/S1062873815040085
2010DR03 Int.J.Mod.Phys. E19, 1227 (2010) V.A.Drozdov, D.O.Eremenko, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov, G.Giardina, G.Fazio, F.Malaguti, P.Olivo, V.Togo Fission time of α-induced reactions measured by the crystal blocking technique NUCLEAR REACTIONS 232Th, 235U(α, xnf), E<33 MeV; measured reaction products; deduced fission probabilities, anysotropy σ(θ), temperature dependence of nuclear viscosity.
doi: 10.1142/S0218301310015710
2010FO03 Phys.Atomic Nuclei 73, 1317 (2010) O.V.Fotina, V.L.Kravchuk, S.Barlini, F.Gramegna, D.O.Eremenko, Yu.L.Parfenova, S.Yu.Platonov, O.A.Yuminov, M.Bruno, M.D'Agostino, G.Casini, O.Wieland, A.Bracco, F.Camera Double-differential spectra of the secondary particles in the frame of pre-equilibrium model NUCLEAR REACTIONS 116Sn(16O, X)1NN/1H/4He, E=130, 250 MeV;analyzed experimental data on σ(θ, E). Pre-equilibrium model.
doi: 10.1134/S1063778810080053
2010GI08 Bull.Rus.Acad.Sci.Phys. 74, 772 (2010); Izv.Akad.Nauk RAS, Ser.Fiz 74, 808 (2010) G.Giardina, V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Manifestation of the nuclear viscosity effects in induced fission reactions at excitation energies below 30 MeV NUCLEAR REACTIONS 232Th(α, xNF), E<30 MeV; analyzed experimental data; deduced fission probabilities, anysotropy of angular distribution, temperature dependence of nuclear viscosity coefficients.
doi: 10.3103/S1062873810060092
2009DE22 Bull.Rus.Acad.Sci.Phys. 73, 835 (2009); Izv.Akad.Nauk RAS, Ser.Fiz 73, 882 (2009) A.A.Dermenev, V.A.Drozdov, D.O.Eremenko, F.Malaguti, P.Olivo, S.Yu.Platonov, V.Togo, A.Uguzzoni, O.V.Fotina, O.A.Yuminov Dynamical analysis of the induced fission time obtained by the crystal blocking technique for the 235U + α reaction NUCLEAR REACTIONS 235U(α, F), E=25.9-31.2 MeV; measured angular distribution of fission fragments; deduced fission lifetime, fissionabilities of Pu isotopes. Comparison with theoretical calculations.
doi: 10.3103/S106287380906029X
2009ER01 Bull.Rus.Acad.Sci.Phys. 73, 180 (2009); Izv.Akad.Nauk RAS, Ser.Fiz. 73, 191 (2009) D.O.Eremenko, A.A.Dermenev, V.A.Drozdov, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Dynamic approach to the analysis of angular distributions of fission and quasi-fission fragments NUCLEAR REACTIONS 208Pb(28Si, X), (32S, X), E=160-280 MeV; calculated fission cross sections, angular distributions of fission fragments.
doi: 10.3103/S1062873809020105
2009ER04 Phys.Atomic Nuclei 72, 1651 (2009); Yad.Fiz. 72, 1707 (2009) D.O.Eremenko, A.A.Dermenev, V.A.Drozdov, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Combined dynamical and statistical approach to describing induced fission of heavy nuclei NUCLEAR REACTIONS 238U(α, F), 240,242Pu(d, F), E=20-30 MeV; calculated σ(θ) of fission fragments.
doi: 10.1134/S1063778809100056
2009YU02 Nucl.Instrum.Methods Phys.Res. B267, 2592 (2009) O.A.Yuminov, A.M.Borisov, V.A.Drozdov, D.O.Eremenko, O.V.Fotina, F.Malaguti, P.Olivo, S.Yu.Platonov, V.Togo, A.F.Tulinov Fission time for the 235U + α reaction measured by the crystal blocking technique NUCLEAR REACTIONS 235U(α, F), E=25.9-31.2 MeV; measured angular distribution of fission fragments; deduced fission lifetime, fissionabilities of Pu isotopes. Comparison with theoretical calculations.
doi: 10.1016/j.nimb.2009.05.018
2007ER03 Bull.Rus.Acad.Sci.Phys. 71, 393 (2007); Izv.Akad.Nauk RAS, Ser.Fiz. 71, 408 (2007) D.O.Eremenko, A.V.Dermenev, V.A.Drozdov, S.Yu.Platonov, O.V.Fotina, M.H.Eslamizadeh, O.A.Yuminov Angular Distribution of Fission Fragments in Reactions of Complete Fusion of Deformed Nuclei NUCLEAR REACTIONS 232Th(16O, X), 235,236U(12C, X), E=60-140 MeV; analyzed angular distributions of fission fragments. Compared results to available data.
doi: 10.3103/S1062873807030185
2006DR09 Bull.Rus.Acad.Sci.Phys. 70, 245 (2006) V.A.Drozdov, I.M.Egorova, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, M.Kh.Eslamizadekh, O.A.Yuminov Duration of induced fission reaction of heavy nuclei as source of information on nuclear matter viscosity NUCLEAR REACTIONS Pt, 208Pb, 238U(28Si, X), E* ≈ 0-250 MeV; calculated fission time, neutron multiplicity.
2006ER05 Phys.Atomic Nuclei 69, 1423 (2006) D.O.Eremenko, V.A.Drozdov, M.H.Eslamizadex, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov Stochastic Model of Tilting Mode in Nuclear Fission NUCLEAR REACTIONS 208Pb, 209Bi, 232Th, 238U, 248Cm(16O, X), E(cm) ≈ 80-160 MeV; 236U(12C, X), 237Np(11B, X), 208Pb(19F, X), E(cm) ≈ 80-160 MeV; calculated fusion σ, fission fragments angular anisotropies. 208Pb, 232Th(16O, X), E(cm) ≈ 80-160 MeV; calculated prescission neutron multiplicities. Dynamic model, comparison with data.
doi: 10.1134/S1063778806080229
2006FO19 Bull.Rus.Acad.Sci.Phys. 70, 770 (2006) O.V.Fotina, D.O.Eremenko, S.Yu.Platonov, O.A.Yuminov, M.H.Eslamizadeh, V.A.Drozdov Temporal and kinematic characteristics of nuclear de-excitation processes as method for testing level density models NUCLEAR REACTIONS 28Si(12C, X), E=45-84 MeV; 28Si(19F, X), E=60 MeV; calculated compound nucleus formation and decay times, related features; deduced dependence on level density.
2004DR03 Nucl.Phys. A734, 225 (2004) V.A.Drozdov, D.O.Eremenko, O.V.Fotina, G.Giardina, F.Malaguti, S.Yu.Platonov, O.A.Yuminov Decay time of heavy excited nuclei NUCLEAR REACTIONS 232Th(p, xnF), (d, xnF), (α, xnF), E* ≈ 10-250 MeV; analyzed induced fission lifetimes. 238U(α, F), E=20-120 MeV; 232Th, 238U, 248Cm(16O, F), E=80-160 MeV; analyzed fission fragments angular anisotropy.
doi: 10.1016/j.nuclphysa.2004.01.040
2004FO07 Yad.Fiz. 67, 1898 (2004); Phys.Atomic Nuclei 67, 1873 (2004) O.V.Fotina, V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.A.Yuminov Time Characteristics and Odd-Even Effects in Nucleus Deexcitation Process NUCLEAR REACTIONS 28Si(12C, xnypzα), E=45-84 MeV; 28Si(19F, xnypzα), E=60 MeV; calculated compound nucleus decay times, evaporation residue yields; deduced odd-even effects. Statistical approach, comparisons with data.
doi: 10.1134/1.1811193
2003DR06 Yad.Fiz. 66, 1669 (2003); Phys.Atomic Nuclei 66, 1622 (2003) V.A.Drozdov, D.O.Eremenko, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov, G.Giardina Dynamical Model of Fission Fragment Angular Distributions NUCLEAR REACTIONS 208Pb, 232Th, 238U, 248Cm(16O, F), E=90-160 MeV; calculated prescission neutron multiplicities, fission fragment angular anisotropies; deduced tilting mode relaxation time. Dynamical model.
doi: 10.1134/1.1611568
2003DR07 Yad.Fiz. 66, 1673 (2003); Phys.Atomic Nuclei 66, 1626 (2003) V.A.Drozdov, D.O.Eremenko, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov Influence of the Shell Effects on Fission Fragment Angular Anisotropies NUCLEAR REACTIONS 238U(α, F), E=23-100 MeV; analyzed fission fragment angular anisotropies; deduced energy dependence of shell corrections. Statistical approach.
doi: 10.1134/1.1611569
2003DR08 Yad.Fiz. 66, 1676 (2003); Phys.Atomic Nuclei 66, 1628 (2003) V.A.Drozdov, D.O.Eremenko, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov Decay Time Characteristics of the U-Like Excited Nuclei NUCLEAR REACTIONS 232Th(p, xnF), (d, xnF), (α, xnF), Pt(28Si, F), E* ≈ 5-250 MeV; analyzed induced fission time scales, energy dependence. 238U(28Si, F), E* ≈ 5-250 MeV; analyzed neutron multiplicity vs excitation energy.
doi: 10.1134/1.1611570
2003DR10 Bull.Rus.Acad.Sci.Phys. 67, 3 (2003) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Energy dependence of induced fission duration found by blocking method for uranium-like nuclei NUCLEAR REACTIONS 232Th(p, xnF), (d, xnF), (α, xnF), Pt, 238U(28Si, X), E*=5-250MeV; analyzed induced fission time scale. 238U(28Si, nX), E*=5-250 MeV; analyzed neutron multiplicity vs excitation energy.
2003DR11 Bull.Rus.Acad.Sci.Phys. 67, 34 (2003) V.A.Drozdov, D.O.Eremenko, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov Stochastic aspects of evolution of rotational degrees of freedom in course of nuclear fission NUCLEAR REACTIONS 232Th, 238U, 248Cm(16O, F), E=90-160 MeV; analyzed fission fragments angular anisotropy; deduced K-mode relaxation time. Dynamic model.
2002DR07 Nucl.Instrum.Methods Phys.Res. B193, 846 (2002) V.A.Drozdov, D.O.Eremenko, O.V.Fotina, G.Giardina, F.Malaguti, S.Yu.Platonov, A.F.Tulinov, O.A.Yuminov Crystal Blocking Measurements of the Induced Fission Time in the 232Th + p and 232Th + 3He Reactions NUCLEAR REACTIONS 232Th(p, F), E=6.8-7.8 MeV; 232Th(3He, F), E=20.8-23.4 MeV; measured mean fission lifetime vs excitation energy; deduced shell effects. 232,233Pa deduced level densities in second potential well. Crystal blocking technique, statistical model analysis.
doi: 10.1016/S0168-583X(02)00914-X
2002DR11 Bull.Rus.Acad.Sci.Phys. 66, 1626 (2002) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Shell effects and angular anisotropy of fission fragments NUCLEAR REACTIONS 238U(α, F), E=23-100 MeV; analyzed fission fragments angular anisotropy; deduced shell effects, excitation energy dependence.
2002EG03 Bull.Rus.Acad.Sci.Phys. 66, 1622 (2002) I.M.Egorova, S.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Time characteristics of nucleus-nucleus reactions: direct Monte Carlo analysis of experimental data NUCLEAR REACTIONS 28Si(12C, X), E=45, 54, 66, 84 MeV; 28Si(19F, X), E=60 MeV; analyzed time characteristics of particle emission. Monte Carlo approach.
2002ER01 Yad.Fiz. 65, 20 (2002); Phys.Atomic Nuclei 65, 18 (2002) D.O.Eremenko, O.V.Fotina, G.Giardina, A.Lamberto, F.Malaguti, S.Yu.Platonov, A.Taccone, O.A.Yuminov Fission Time in the 28Si + natPt Reaction NUCLEAR REACTIONS Pt(28Si, F), E=140-170 MeV; measured fission fragment energies and angular distributions; deduced induced fission delay times, fission barrier features. 196Pt(28Si, F), E=140-170 MeV; calculated neutron spectra, fragment yields. Crystal-blocking technique.
doi: 10.1134/1.1446550
2001DR03 Yad.Fiz. 64, No 2, 221 (2001); Phys.Atomic Nuclei 64, 179 (2001) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Dynamical Approach to Calculating Angular Distributions of Fission Fragments NUCLEAR REACTIONS 208Pb, 232Th, 238U, 248Cm(16O, F), E=80-160 MeV; calculated σ, σ(θ), fission fragment anisotropies, pre-scission neutron multiplicities. Dynamical model including viscosity, comparison with data.
doi: 10.1134/1.1349439
2001DR07 Bull.Rus.Acad.Sci.Phys. 65, 86 (2001) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Analysis of Angular Distributions of Fission Fragments as a Source of Information on Deformation Dependence of Nuclear Viscosity NUCLEAR REACTIONS 232Th, 238U, 248Cm(16O, F), E ≈ 95-160 MeV; analyzed fission fragments angular distribution anisotropy; deduced dissipation mechanism, deformation dependence features.
2001DR08 Bull.Rus.Acad.Sci.Phys. 65, 146 (2001) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Decay Duration for Excited Nuclei of Uranium Isotopes Produced in the 3He + 232Th Reaction NUCLEAR REACTIONS 232Th(3He, F), E=20.8-23.4 MeV; measured fission decay duration; deduced role of excited states in second potential well. Statistical model analysis.
2001DR11 Bull.Rus.Acad.Sci.Phys. 65, 705 (2001) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Determination of the Spin K-Mode Relaxation Time within the Dynamic Approach to Formation of Angular Distributions of Fission Fragments NUCLEAR REACTIONS 208Pb, 232Th, 238U, 248Cm(16O, X), E ≈ 90-160 MeV; anayzed fusion, fission σ, neutron multiplicity, fission fragments angular anisotropy; deduced relaxation time.
2001ER10 Bull.Rus.Acad.Sci.Phys. 65, 710 (2001) D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Development of Statistical Methods to Analyze the Duration of Many-Step Nuclear Reactions NUCLEAR REACTIONS 28Si(12C, X), E=45, 54, 66, 84 MeV; analyzed α-particle angular distributions, decay times, evaporation residue charge distributions. Statistical approach.
2001YU04 J.Phys.Soc.Jpn. 70, 689 (2001) O.A.Yuminov, S.Yu.Platonov, D.O.Eremenko, O.V.Fotina, E.Fuschini, F.Malaguti, G.Vannini, G.Giardina, G.Fazio, A.Lamberto, A.Taccone, A.Moroni, E.Fioretto, R.A.Ricci, L.Vannucci, R.Palamara Experimental Evidence of Shell Effects in the Fission Time of Heavy Nuclei NUCLEAR REACTIONS Pt(28Si, F), E=140-170 MeV; measured fission fragments angular distributions, decay time; deduced fission barrier features. Crystal blocking technique.
doi: 10.1143/JPSJ.70.689
2000DR15 Bull.Rus.Acad.Sci.Phys. 64, 400 (2000) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Shell Effects in Well-Deformed States of Fissioning 233Pa Nuclei Produced in the 232Th + p Reaction NUCLEAR REACTIONS 232Th(p, F), E=6.8 MeV; measured fission half-life vs excitation energy. 233Pa deduced fission barrier, level density features. Comparison with other data and with Statistical model calculations. Blocking method.
2000DR16 Bull.Rus.Acad.Sci.Phys. 64, 405 (2000) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Dynamic Approach to Angular Distributions of Fission Fragments NUCLEAR REACTIONS 208Pb, 232Th(16O, F), E=75-240 MeV; calculated fusion σ, multiplicity of pre-fission neutrons, angular anisotropy of fission fragment angular distributions. Comparison with data. Solution of Langevin equations.
2000DR20 Bull.Rus.Acad.Sci.Phys. 64, 825 (2000) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Dynamics of Induced Fission in the 196Pt + 28Si Reaction NUCLEAR REACTIONS 196Pt(28Si, F), E=140-170 MeV; calculated probability of populating excited states based on second minimum of surface-energy potential prior to fission, fission times, dependence on nuclear viscosity and model parameters discussed. Fokker-Planck formalism.
1999DR15 Bull.Rus.Acad.Sci.Phys. 63, 84 (1999) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Dynamic Features of Angular Distribution of Fission Fragments NUCLEAR REACTIONS 208Pb, 248Cm(16O, F), E=110-148 MeV; calculated fission σ, fission fragment anisotropies; deduced nuclear viscosity. Langevin equations, comparisons with data.
1999DR21 Bull.Rus.Acad.Sci.Phys. 63, 752 (1999) V.A.Drozdov, D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Additional Time Delay in the Fission Decay Channel of 232Pa Nuclei Produced in the 232Th(pn) Reaction NUCLEAR REACTIONS 232Th(p, nF), E=7.4, 7.8 MeV; measured fission time scale vs excitation energy. 232Pa deduced level density as a function of excitation energy. Comparison with statistical model calculations. Blocking technique.
1999PA50 Bull.Rus.Acad.Sci.Phys. 63, 758 (1999) Yu.L.Parfenova, O.V.Fotina, O.A.Yuminov Time Characteristics of the Decay of Nuclei Produced in the Reaction 12C + 28Si → 40Ca NUCLEAR REACTIONS 28Si(12C, X), E=45-85 MeV; calculated evaporated alpha particle energy spectra, life-time for proton evaporation, alpha evaporation and evaporation residue formation. Optical plus statistical model calculations, comparison with data.
1998DA27 Bull.Rus.Acad.Sci.Phys. 62, 1736 (1998) P.d'Agostino, G.Fazio, G.Giardina, M.Herman, A.Lamberto, G.F.Rappazzo, R.Sturiale, F.Malaguti, D.O.Eremenko, N.V.Eremin, S.Yu.Platonov, O.A.Yuminov Effect of Nuclear Deformation on Giant Dipole Resonances NUCLEAR STRUCTURE A=51-239; analyzed GDR parameters vs deformation. NUCLEAR REACTIONS 154Sm(12C, X), 27Al, 109Ag(18O, X), E not given; analyzed Eγ, Iγ; deduced GDR deformation effects.
1998EG01 Bull.Rus.Acad.Sci.Phys. 62, 725 (1998) I.M.Egorova, D.O.Eremenko, Yu.L.Parfenova, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Multiplicity of Prescission Neutrons in Nucleus-Nucleus Reactions NUCLEAR REACTIONS 208Pb(16O, X), 232Th(19F, X), E=86-150 MeV; calculated fusion, fission σ, prescission neutron multiplicity. Comparison with data.
1998EG02 Bull.Rus.Acad.Sci.Phys. 62, 834 (1998) I.M.Egorova, D.O.Eremenko, S.Yu.Platonov, O.A.Yuminov, F.Malaguti, A.Uguzzoni, G.Forster Angular Correlations of Fission Fragments in the Study of Nuclear Reaction Mechanisms NUCLEAR REACTIONS 2H(238U, 239U), E=5 MeV/nucleon; calculated fragment energy, angular distributions following projectile fission. Stopping method.
1998ER01 Yad.Fiz. 61, No 5, 773 (1998); Phys.Atomic Nuclei 61, 695 (1998) D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Lifetimes of Excited Heavy Nuclei NUCLEAR REACTIONS 235,238U(p, xnF), E=7.8 MeV; 235,238U, 232Th(d, xnF), E=7.5-15.6 MeV; 235,238U, 232Th(α, xnF), E=19-31 MeV; measured fission fragments σ(θ). 232,233Pa, 234,235U, 235,236,238,239Np deduced mean fission lifetimes vs excitation energy, level densities in second potential well. Single-crystal targets, blocking technique.
1998ER05 Bull.Rus.Acad.Sci.Phys. 62, 116 (1998) D.O.Eremenko, Yu.L.Parfenova, S.Yu.Platonov, E.I.Sirotinin, O.V.Fotina, O.A.Yuminov, A.V.Tultaev Yields of Evaporation Residues in the 197Au(α, xnγ) Reaction and Evaluation of Dose Loads After Intravenous Injection of T1 Radiopharmaceuticals NUCLEAR REACTIONS 197Au(α, n), (α, 2n), (α, 3n), E=16-36 MeV; calculated σ, thick target yields. Medical application discussed.
1998ER09 Bull.Rus.Acad.Sci.Phys. 62, 721 (1998) D.O.Eremenko, Yu.L.Parfenova, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov, E.Fuschini, F.Malaguti, A.D'Arrigo, G.Giardina, R.Sturiale, G.Vannini, A.Moroni, E.Fioretto, R.A.Ricci, L.Vannucci Shell Effects in Fusion-Fission Nucleus-Nucleus Reactions NUCLEAR REACTIONS Pt(28Si, X), E=140-170 MeV; measured fission time scale; deduced fission barrier features, shell effects. Blocking technique.
1997ER02 Yad.Fiz. 60, No 2, 206 (1997); Phys.Atomic Nuclei 60, 149 (1997) D.O.Eremenko, V.O.Kordyukevich, S.Yu.Platonov, A.F.Tulinov, O.V.Fotina, O.A.Yuminov Lifetime of Excited 234,235U Nuclei Produced in the Reaction 232Th(α, xnf) NUCLEAR REACTIONS 232Th(α, F)234U/235U, E=20-31.2 MeV; measured residuals excited states T1/2. 234U deduced level density, fission barrier. Blocking technique.
1997ER07 Bull.Rus.Acad.Sci.Phys. 61, 14 (1997) D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Multiplicity of Light Particles in Reactions Induced by Heavy Ions NUCLEAR REACTIONS 208Pb(16O, F), E=75-150 MeV; analyzed prescission neutron multiplicity data, fission reaction; calculated fission, fusion σ(E).
1997ER08 Bull.Rus.Acad.Sci.Phys. 61, 18 (1997) D.O.Eremenko, G.Giardina, F.Malaguti, B.Mellado, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Angular Distributions of Fission Fragments of Nuclei with Two Types of Excited States NUCLEAR REACTIONS 238U(α, F), E=37, 43 MeV; calculated fission fragment σ(θ); deduced viscosity, energy dependence. Halpern-Strutinsky model.
1997ER09 Bull.Rus.Acad.Sci.Phys. 61, 531 (1997) D.O.Eremenko, V.O.Kordyukevich, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Time Characteristics of Decay of Heavy Excited Nuclei NUCLEAR REACTIONS 232Th, 235,238U(p, F), E=7.8 MeV; 232Th, 235,238U(d, F), E=8.0-15.6 MeV; 232Th, 235,238U(α, F), E=20.0-31.2 MeV; measured compound nuclei fission T1/2. 232,233Pa, 234,235U, 235,236,238,239Np, 237,238,240,241Pu deduced second potential well depth, level density. Blocking technique.
1996EG02 Bull.Rus.Acad.Sci.Phys. 60, 772 (1996) I.M.Egorova, D.O.Eremenko, F.Malaguti, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Slowing-Down Method for Investigating the Near-Barrier Fission of Heavy Nuclei NUCLEAR STRUCTURE 239U; calculated fission fragments energy spectra, product yields time dependence, different decay channels durations. 266Sg; calculated induced fission duration energy dependence. Slowing down method. NUCLEAR REACTIONS 32S(238U, α), E=5.5 MeV/nucleon; calculated residual nucleus fission fragment spectra. 90Zr(180W, α), E=5.5 MeV/nucleon; calculated α-spectra. Slowing down method. RADIOACTIVITY 266Cn(α) [from 90Zr(180W, α), E=5.5 MeV/nucleon]; calculated α-spectra. Slowing down method.
1996ER02 J.Phys.(London) G22, 1077 (1996) D.O.Eremenko, B.Mellado, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov, G.Giardina, G.F.Rappazzo, F.Malaguti Fragment Angular Distribution as a Probe of Fission Dynamics in Nuclei with Two Classes of Excited States NUCLEAR REACTIONS 238U(α, F), E=37, 43 MeV; analyzed fission fragment σ(θ), other data; deduced Pu isotopes reduced dissipation coefficient. Multi-chance fission, double humped fission barrier.
doi: 10.1088/0954-3899/22/7/013
1995DA06 Nucl.Phys. A583, 157c (1995) A.D'Arrigo, N.V.Eremin, E.Fioretto, E.Fuschini, G.Giardina, F.Malaguti, A.Moroni, R.A.Ricci, A.Taccone, G.Vannini, L.Vannucci, O.A.Yuminov Crystal Blocking: Experimental evidence of long delay times in the reaction induced on nickel by oxygen ions NUCLEAR REACTIONS Ni(16O, X), E=135 MeV; measured nuclear time delays for fragment Z=13-18. Crystal blocking techniques. Different model analyses.
doi: 10.1016/0375-9474(94)00652-4
1995DA31 Int.J.Mod.Phys. E4, 443 (1995) A.D'Arrigo, G.Giardina, A.Lamberto, D.O.Eremenko, O.V.Fotina, S.Yu.Platonov, O.A.Yuminov, F.Malaguti The Probability of Populating the Second Potential Well States in Fission Dynamics NUCLEAR STRUCTURE 239,238,235,236Np, 237,238,240Pu, 232,233Pa; calculated second well states population probability, double-humped fission barriers; deduced parameters. Fission diffusion model.
doi: 10.1142/S021830139500016X
1995ER02 Nucl.Phys. A589, 395 (1995) D.O.Eremenko, V.O.Kordyukevich, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov, G.Giardina, F.Malaguti, G.Vannini Lifetime Measurement of Fissionable Nuclei Produced in the Development of Neutron Emission (III) Lifetime of Protactinium Isotopes NUCLEAR REACTIONS 232Th(d, xnF), E=8-15.6 MeV; measured fission fragment σ(θ). 233,232Pa deduced fission characteristics, T1/2. Blocking technique.
doi: 10.1016/0375-9474(95)00169-2
1995ER03 Bull.Rus.Acad.Sci.Phys. 59, 130 (1995) D.O.Eremenko, O.Yu.Zavalskaya, V.O.Kordyukevich, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Decay Duration for Excited 234U Nuclei Produced During 232Th(α, 2nf) Reaction NUCLEAR REACTIONS 232Th(α, F)234U, E=27.6-30.5 MeV; measured residual average decay time vs excitation energy. 234U deduced fission time delay. Statistical model.
1995ER04 Bull.Rus.Acad.Sci.Phys. 59, 135 (1995) D.O.Eremenko, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov, E.Fuschini, F.Malaguti, G.Vannini, A.Moroni, R.A.Ricci, L.Vannucci, A.d'Arrigo, G.Giardina, A.Taccone Possible Measurement of Excited State Lifetimes in Resonance Reactions on Light Nuclei by the Method Based on Stopping Effect NUCLEAR REACTIONS 7Li(16O, α), (16O, t), E=120 MeV; measured α-spectra following residuals α-decay. 19F, 20Ne level deduced α-decay T1/2 estimates, Γα/Γ. Fast charged particle energy loss technique.
1995ER09 Nuovo Cim. 108, 883 (1995) D.O.Eremenko, O.V.Fotina, G.Giardina, A.Lamberto, F.Malaguti, S.Yu.Platonov, R.Sturiale, O.A.Yuminov Level Density Dependence of the Transient States on the Nuclear Shape Symmetry in Fissionable Nuclei NUCLEAR STRUCTURE 232,233Pa, 235,236,238,239Np; calculated level density in second potential well.
doi: 10.1007/BF02731028
1995ER10 Bull.Rus.Acad.Sci.Phys. 59, 1975 (1995) D.O.Eremenko, Yu.L.Parfenova, S.Yu.Platonov, O.V.Fotina, O.A.Yuminov Spectra of Nucleons in Reactions with Protons at Energies from 0.1 to 1 GeV NUCLEAR REACTIONS 12C, 207Pb, Cu, 27Al, 9Be, 238U(p, p'), E ≤ 4 GeV; analyzed σ(E). 232Th(p, xn), E=800 MeV; analyzed σ(θ). 27Al(p, p'), E=90 MeV; 208Pb(p, p'), E=740 MeV; 208Pb(p, n), E=800 MeV; 90Zr(p, n), E=160 MeV; analyzed σ(θ, E(nucleon)). Proton transmission followed by neutron source formation.
1995YU04 J.Phys.(London) G21, 1243 (1995) O.A.Yuminov, S.Yu.Platonov, O.V.Fotina, D.O.Eremenko, F.Malaguti, G.Giardina, A.Lamberto Statistical Description of the Decay of Nuclei Having Two Classes of Excited States NUCLEAR STRUCTURE 233Pa, 239Np; calculated mean fission time vs mean excitation energy. 238,239Np; calculated decay time characteristics, other fission characteristics. 236,235,238,239Np, 233,232Pa, 238,240Pu; calculated induced fission time delay vs minimum fission barrier, second well depth energies difference. Statistical theory, double-humped fission barrier model, comparison with data.
doi: 10.1088/0954-3899/21/9/010
1995YU05 Nucl.Instrum.Methods Phys.Res. B95, 543 (1995) O.A.Yuminov, S.Yu.Platonov, D.O.Eremenko, N.V.Eremin, I.M.Egorova, V.O.Kordyukevich, O.V.Fotina, F.Malaguti, A.D'Arrigo, G.Giardina, A.Taccone, G.Vannini, A.Moroni, R.A.Ricci, L.Vannucci A Novel Experimental Technique of Nuclear Lifetime Measurements NUCLEAR REACTIONS 7Li(16O, α), (16O, t), E=120 MeV; measured α-spectra. 19F, 20Ne levels deduced T1/2, Γα/Γ. Layered target technique, comparison with other methods.
doi: 10.1016/0168-583X(94)00602-4
1993ER01 Yad.Fiz. 56, No 2, 1 (1993); Phys.Atomic Nuclei 56, 147 (1993) D.O.Eremenko, S.Yu.Platonov, A.F.Tulinov, O.A.Fotina, O.A.Yuminov Duration of the Decay of the Excited 233Pa and 232Pa Nuclei NUCLEAR REACTIONS 232Th(d, xnF), E=7.5-15.6 MeV; measured fission fragment σ(θ). 234,233,232,231Pa deduced fission barrier, level density parameters. 233,232Pa deduced fission process time delay. Single, thick 232ThO2 crystal, blocking effect method.
1992ER01 Bull.Rus.Acad.Sci.Phys. 56, 70 (1992) D.O.Eremenko, S.Yu.Platonov, O.A.Yuminov Quasi-Stationary State Population Probability of the Actinide Nuclei Second Well NUCLEAR STRUCTURE 239,238,236,235Np, 240,238,237Pu, 238,232Pa; calculated quasistationary states population probability under induced fission, second potential. Fluctuation dissipation dynamics.
1991ME13 Izv.Akad.Nauk SSSR, Ser.Fiz. 55, 2192 (1991); Bull.Acad.Sci.USSR, Phys.Ser. 55, No.11, 108 (1991) Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.V.Fotina, O.A.Yuminov Investigation of Delayed Fission of Excited Actinide Nuclei by the Shadow Method NUCLEAR REACTIONS 232Th, 235,238U(p, xn), E=7.8 MeV; 232Th, 235,238U(d, xn), E=8-15.6 MeV; 232Th, 235,238U(α, xn), E=18-31.2 MeV; measured fission fragment σ(θ) for residuals 232,233Pa, 235,236,238,239Np, 237,238,240,241Pu; deduced fission time delay, second potential state density relation.
1990ME09 Dok.Akad.Nauk SSSR 310, 1357 (1990); Sov.Phys.Dokl. 35, 168 (1990) Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.V.Fotina, O.A.Yuminov Delayed Fission of Excited Heavy Nuclei NUCLEAR REACTIONS 235,238U, 232Th(d, xnF), 235,238U(p, xnF), (α, xnF), E not given; analyzed data; deduced induced fission decay time for 232,233Pa, 235,236,238,239Np, 237,238,240,241Pu.
1989FO15 Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 956 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.5, 128 (1989) Partial Decay Widths of Excited Heavy Nuclei NUCLEAR STRUCTURE 238Np; calculated fission, neutron channel decay vs time.
1989KO12 Nucl.Phys. A492, 447 (1989) V.O.Kordyukevich, Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.V.Fotina, O.A.Yuminov Lifetime Measurements of Nuclei Formed in Neutron Emission (II). Lifetime of Neptunium Isotopes NUCLEAR REACTIONS 235,238U(d, xnF), E=7.5-15.6 MeV; measured blocking effect. 235,236,238,239Np deduced mean T1/2. Enriched, natural single crystal targets.
doi: 10.1016/0375-9474(89)90407-7
1989ME15 Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 979 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.5, 149 (1989) Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.V.Fotina, O.A.Yuminov Duration of the Decay of 238Np Nucleus Produced by 238U(pn) Reaction NUCLEAR REACTIONS 238U(p, F), E=7.8 MeV; measured fission fragment σ(θ); deduced 238,239Np contribution to relative fragment yield, 238Np decay time.
1989ME16 Izv.Akad.Nauk SSSR, Ser.Fiz. 53, 2410 (1989); Bull.Acad.Sci.USSR, Phys.Ser. 53, No.12, 133 (1989) Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.V.Fotina, O.A.Yuminov Lifetime of the Excited Nucleus 235Np Produced in the 235U(pn) Reaction NUCLEAR REACTIONS 235U(p, n), E=7.8 MeV; measured fission fragment σ(θ) following residual nuclear decay, fission duration. 235Np deduced stimulated fission time delay. Glass track detectors.
1989PL06 Nucl.Phys. A503, 461 (1989) S.Yu.Platonov, O.V.Fotina, O.A.Yuminov The Study of the Level Density of Excited Nuclei of Neptunium Isotopes NUCLEAR REACTIONS 235,238U(d, xnF), E=7.5-15.5 MeV; measured residuals induced fission T1/2. 235,236,238,239Np deduced level density in the second potential well. Phenomenological model.
doi: 10.1016/0375-9474(89)90245-5
1989PL10 Ukr.Fiz.Zh. 34, 1470 (1989) S.Yu.Platonov, O.V.Fotina, V.A.Khaimin, O.A.Yuminov Study of the Transient-Level Density of Excited 238Np Nucleus NUCLEAR REACTIONS 238U(d, 2nF), E not given; calculated fission T1/2 vs average excitation energy. Phenomenological level-density model. NUCLEAR STRUCTURE 238Np; calculated level density in second potential well. Phenomenological level-density model.
1988GR27 Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 932 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.5, 95 (1988) O.V.Grusha, V.A.Khaimin, O.A.Yuminov Effects of Preequilibrium Emission on 238U(d, F) Reaction Time-Scale NUCLEAR REACTIONS 238U(d, F), E=12 MeV; calculated neutron emission spectra following fission. Exciton model.
1988GR31 At.Energ. 65, 353 (1988); Sov.At.Energy 65, 925 (1988) O.V.Grusha, V.O.Kordyukevich, Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.A.Yuminov Shadow-Method Study of Induced-Fission Lifetime of Actinide Nuclei NUCLEAR REACTIONS, ICPND 235U(d, F), E=7.5-15.6 MeV; 235U, (α, F), E=19.4-32 MeV; 238U(α, F), E=19.4-32 MeV; measured fission fragment working shadow, reference shadow yield differences. RADIOACTIVITY 239,238,235Np [from 235U(d, F), E=7.5-15.6 MeV; 235U(α, F), E=19.4-32 MeV; 238U(α, F), E=19.4-32 MeV]; 237,238Pu [from 238U(α, F), E=19.4-32 MeV]; measured average decay T1/2. Shadow method.
1987GR10 Izv.Akad.Nauk SSSR, Ser.Fiz. 51, 34 (1987); Bull.Acad.Sci.USSR, Phys.Ser. 51, No.1, 30 (1987) O.V.Grusha, Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.A.Yuminov Study of the Characteristics of Excited States of Strongly Deformed Heavy Nuclei NUCLEAR STRUCTURE 238,239Np; calculated average T1/2 vs average excitation energy.
1987GR33 Izv.Akad.Nauk SSSR, Ser.Fiz. 51, 2055 (1987); Bull.Acad.Sci.USSR, Phys.Ser. 51, No.11, 165 (1987) O.V.Grusha, S.P.Ivanova, S.Yu.Platonov, O.A.Yuminov Isomeric Effect of Excited Nucleus on Evaporative Neutron Yield in the Reaction 238U(d, xnf) NUCLEAR REACTIONS, ICPND 238U(d, xnF), E ≤ 20 MeV; calculated total, fission σ(E), T1/2.
1987GR34 Izv.Akad.Nauk SSSR, Ser.Fiz. 51, 2062 (1987); Bull.Acad.Sci.USSR, Phys.Ser. 51, No.11, 172 (1987) O.V.Grusha, Yu.V.Melikov, S.Yu.Platonov, A.F.Tulinov, O.A.Yuminov Decay Duration of Excited Np Isotopes NUCLEAR STRUCTURE 234,235,236,237,238,239,240Np; calculated fission lifetimes. NUCLEAR REACTIONS 235,238U(d, F), E=7-21 MeV; calculated fission fragment relative yield difference vs deuteron energy.
1984GR21 Nucl.Phys. A429, 313 (1984) O.V.Grusha, V.O.Kordyukevich, Yu.V.Melikov, L.N.Syutkina, A.F.Tulinov, O.A.Yuminov Lifetime Measurement of Fissionable Nuclei Produced in the Development of Neutron Emission (1). Lifetime of Plutonium Isotopes NUCLEAR REACTIONS 235,238U(α, F), E=19-31 MeV; measured blocking effect following fission neutron emission. 238,240,241Pu deduced mean T1/2. Enriched, natural single crystal targets.
doi: 10.1016/0375-9474(84)90210-0
1982VO09 Yad.Fiz. 36, 1073 (1982) P.E.Vorotnikov, O.V.Grusha, N.V.Eremin, Yu.V.Melikov, L.N.Syutkina, A.F.Tulinov, N.G.Chechenin, O.A.Yuminov Measurement of Life Time for Nucleus 236U at the Excitation Energies of 6.7-10.6 MeV RADIOACTIVITY 236U [from 235U(n, γ)]; measured average T1/2 at 6.7-10.6 MeV excitation. Shadow method. Statistical model analysis.
1981ER12 Izv.Akad.Nauk SSSR, Ser.Fiz. 45, 1886 (1981) N.V.Eremin, Yu.V.Melikov, A.F.Tulinov, N.G.Chechenin, O.A.Yuminov Measurement of Lifetimes of Excited States of 28Si with the Help of the Shadow Effect NUCLEAR REACTIONS 27Al(p, α), E=632, 885, 937, 1002 keV; measured Eα. 28Si levels deduced T1/2. Crystal blocking technique.
1980ER10 Yad.Fiz. 32, 3 (1980); Sov.J.Nucl.Phys. 32, 1 (1980) N.V.Eremin, Yu.V.Melikov, A.F.Tulinov, N.G.Chechenin, O.A.Yuminov Direct Measurement of the Lifetime of the 12.551-MeV (4+) State of the Nucleus 28Si* by the Blocking Effect NUCLEAR REACTIONS 27Al(p, α), E=1010 keV; measured σ(θ). 28Si level deduced T1/2, Γ. Blocking effect, Al crystal.
1980ME14 Yad.Fiz. 32, 907 (1980) Yu.V.Melikov, L.N.Syutkina, A.F.Tulinov, N.G.Chechenin, O.A.Yuminov Life-Time of Nuclei Formed at Bombardment of 235U Nucleus by Deuterons NUCLEAR REACTIONS, Fission 235U(d, xn), (d, F), E=10-14 MeV; measured σ(fragment, E). 235Np deduced fission T1/2. Statistical theory, Γn/Γf input from 237,236,235Np.
1980VO02 Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 99 (1980); Bull.Acad.Sci.USSR, Phys.Ser. 44, No.1, 81 (1980) P.E.Vorotnikov, O.V.Grusha, Yu.V.Melikov, A.F.Tulinov, N.G.Chechenin, O.A.Yuminov Lifetimes of States in 236U in the Energy Region 6.7 to 10 MeV NUCLEAR REACTIONS 235U(n, F), E=2, 4 MeV; measured fission σ(En). 236U deduced T1/2.
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