NSR Query Results
Output year order : Descending NSR database version of April 11, 2024. Search: Author = G.N.Smirenkin Found 153 matches. Showing 1 to 100. [Next]1999LO16 Yad.Fiz. 62, No 9, 1551 (1999); Phys.Atomic Nuclei 62, 1460 (1999) G.N.Lovchikova, G.N.Smirenkin, A.M.Trufanov, A.V.Polyakov, V.A.Vinogradov Energy Distributions of Secondary Neutrons from the Neutron-Induced Fission of Th-Pu Nuclei NUCLEAR REACTIONS 232Th, 235,238U, 239Pu(n, F), E < 6 MeV; analyzed prompt neutron spectra; deduced parameters. Comparisons with model predictions.
1996SM02 Yad.Fiz. 59, No 2, 203 (1996); Phys.Atomic Nuclei 59, 185 (1996) Cross Section for 232Th Photofission in the Threshold Region NUCLEAR REACTIONS, ICPND 232Th(γ, F), E=5-9 MeV bremsstrahlung; measured fission σ(E). Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0516. 1996SM06 Yad.Fiz. 59, No 11, 1934 (1996); Phys.Atomic Nuclei 59, 1865 (1996) G.N.Smirenkin, G.N.Lovchikova, A.M.Trufanov, M.I.Svirin, A.V.Polyakov, V.A.Vinogradov, V.D.Dmitriev, G.S.Boykov Energy Spectra of Neutrons Accompanying the Emission Fission of 238U NUCLEAR REACTIONS 238U(n, F), E=16, 17.7 MeV; measured fission neutron spectra; deduced fissile nucleus nonequilibrium decay, other processes evidence. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41461. 1996SV01 Yad.Fiz. 59, No 6, 965 (1996); Phys.Atomic Nuclei 59, 923 (1996) M.I.Svirin, G.N.Smirenkin, F.-J.Hambsch Spectra of Fission Neutrons and Density of Nuclear Levels: Testing a generalized superfluid model RADIOACTIVITY 252Cf(SF); analyzed prompt neutron spectra; deduced generralized superfluid model level density predictions related features.
1995IT04 Yad.Fiz. 58, No 12, 2140 (1995); Phys.Atomic Nuclei 58, 2026 (1995) M.G.Itkis, Yu.A.Muzychka, Yu.Ts.Oganessian, V.N.Okolovich, V.V.Pashkevich, A.Ya.Rusanov, Y.S.Salamatin, G.N.Smirenkin, G.G.Chubarian Fission of Excited Nuclei with Z2/A = 20-33: Mass-energy distributions of fragments, angular momentum, and liquid-drop model NUCLEAR REACTIONS 99Ru, 106,110Cd, 118Sn(20Ne, F), E=124 MeV; 112,118,124Sn(20Ne, F), E=140 MeV; 99Ru(25Mg, F), E=164 MeV; 112Sn(12C, F), E=137 MeV; measured fission fragment mass, energy distributions; deduced variances vs angular momentum, Businaro-Gallone point. Sierk liquid-drop model, finite-range nuclear forces.
1995SO16 Yad.Fiz. 58, No 2, 224 (1995); Phys.Atomic Nuclei 58, 182 (1995) Yield and Cross Section of 232Th and 236U Fission Induced by γ Quanta with Energies up to 11 MeV NUCLEAR REACTIONS, ICPND 232Th, 236U(γ, F), E=7-11 MeV bremsstrahlung; measured photofission yields, σ(E); deduced nucleon number parity role. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0761. 1995SO25 At.Energ. 78, 400 (1995); At.Energy 78, 386 (1995) A.S.Soldatov, V.E.Rudnikov, G.N.Smirenkin 231Pa Photofission Cross Section NUCLEAR REACTIONS 231Pa, 238U(γ, F), E ≈ 5-9 MeV bremsstrahlung; measured fission yield, ratio.
1994BO53 Ann.Nucl.Energy 21, 585 (1994) G.S.Boikov, V.D.Dmitriev, G.A.Kudyaev, V.M.Maslov, Yu.B.Ostapenko, M.I.Svirin, G.N.Smirenkin Peculiarities in the Neutron Spectra Accompanying Neutron-Induced Emission Fission of Actinide Nuclei NUCLEAR REACTIONS 232Th, 235,238U, 237Np(n, F), E=2.9-14.7 MeV; measured neutron spectra following fission; deduced nonequilibrium neutron emission evidence. Statistical model with, without nonequilibrium emission.
doi: 10.1016/0306-4549(94)90068-X
1994KU47 At.Energ. 76, 201 (1994); Sov.At.Energy 76, 199 (1994) G.A.Kudyaev, Yu.B.Ostapenko, G.N.Smirenkin Theoretical Estimate of the Fast-Neutron Fission Cross Sections of 235,238U NUCLEAR REACTIONS 235,238U(n, F), E=fast; analyzed fission σ(E).
1994TR05 Yad.Fiz. 57, No 4, 606 (1994); Phys.Atomic Nuclei 57, 572 (1994) A.M.Trufanov, G.N.Lovchikova, G.N.Smirenkin, A.V.Polyakov, V.A.Vinogradov Measurements and Estimates of the Average Energy of Neutrons from the 235U(n, f) Reaction NUCLEAR REACTIONS 235U(n, F), E=0.5-5 MeV; measured fission neutron spectra; deduced average neutron energy estimates, comparison with other data. Tof.
1993CH11 Yad.Fiz. 56, No 3, 3 (1993); Phys.At.Nuclei 56, 286 (1993) G.G.Chubarian, M.G.Itkis, S.M.Lukyanov, V.N.Okolovich, Yu.E.Penionzhkevich, A.Ya.Rusanov, V.S.Salamatin, G.N.Smirenkin Mass-Energy Distributions of Fragments and Angular Momentum in Fission of Excited Nuclei NUCLEAR REACTIONS 194Pt(12C, F), E=99, 146 MeV; 190Os(16O, F), E=126, 168 MeV; 240Pu, 186W(20Ne, F), E=142, 174 MeV; 236U, 180Hf(24Mg, F), E=160, 177 MeV; 232Th, 176Yb(28Si, F), E=166, 189 MeV; 164Dy(40Ar, F), E=208 MeV; 244Cm(16O, F), E=126, 179 MeV; 208Pb(48Ti, F), E=264, 298 MeV; measured fission fragment yield vs mass, total kinetic energy, emission angle; deduced no influence of angular momentum, compound nucleus excitation energy on mass, energy distribution dispersion.
1993KO05 Yad.Fiz. 56, No 2, 37 (1993); Phys.Atomic Nuclei 56, 166 (1993) E.M.Kozulin, A.Ya.Rusanov, G.N.Smirenkin Systematics of the Average Neutron Yield in Heavy-Ion-Induced Fission NUCLEAR STRUCTURE 142Ce, 158Er, 172,162Yb, 185,187Ir, 207Bi, 215Fr, 252,258Fm; A=180-260; analyzed data; deduced prompt fission neutron average multiplicity vs mass. 251Es, 224Th, 210Po, 200Pb, 188Pt; analyzed data; deduced fission neutron yield vs E. NUCLEAR REACTIONS 238U(20Ne, F), (22Ne, F), (16O, F), (12C, F), 209Bi(20Ne, F), E not given; analyzed total fission neutron yield data; deduced energy dependence, systematics.
1993KU03 Yad.Fiz. 56, No 1, 51 (1993); Phys.Atomic Nuclei 56, 29 (1993) G.A.Kudyaev, Yu.B.Ostapenko, V.V.Pashkevich, M.I.Svirin, G.N.Smirenkin Description and Analysis of the Chance Structure in the Cross Section for Neutron-Induced Emission Fission of 233-238U NUCLEAR REACTIONS 233,235,238,236,234,232U(n, F), E ≤ 20 MeV; 238U(n, 2n'), E ≤ 20 MeV; analyzed fission σ(E). 239U deduced fission mechanism.
1993SO14 Yad.Fiz. 56, No 10, 16 (1993); Phys.Atomic Nuclei 56, 1307 (1993) A.S.Soldatov, V.E.Rudnikov, G.N.Smirenkin, V.M.Andriyanov, V.A.Pilipchenko, I.V.Khimich Detailed Measurements of the 237Np Photofission Cross Section Near the Threshold NUCLEAR REACTIONS, ICPND 237Np(γ, F), E=4.8-9.4 MeV bremsstrahlung; measured fission fragment yields, σ(E); deduced structure evidence.
1993ZH05 Yad.Fiz. 56, No 2, 55 (1993); Phys.Atomic Nuclei 56, 175 (1993) S.V.Zhdanov, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin Fragment Energy Distributions and Fission Dynamics of Heated Nuclei NUCLEAR REACTIONS 207Pb, 197Au, 186,190Os, 183W(3He, F), E=51.2 MeV; 193Ir, 188,186Os, 185Re, 197Au(3He, F), E=60 MeV; measured fission fragment mass, energy distributions; deduced energy distribution moments. 210Po, 193,191,189Pt, 200Tl, 186Os, 194Au deduced fission dynamics.
1992RA09 Yad.Fiz. 55, 310 (1992); Sov.J.Nucl.Phys. 55, 169 (1992) E.M.Rastopchin, M.I.Svirin, G.N.Smirenkin Rotational-Mode Component of the Density of Levels of Nuclei with A ≤ 150 NUCLEAR STRUCTURE A ≤ 150; analyzed data; deduced level density determination related problems. Generalized superfluid model, rotational mode component.
1992SO19 Yad.Fiz. 55, 3153 (1992); Sov.J.Nucl.Phys. 55, 1757 (1992) Yield and Cross Section for Fission of Odd Nuclei by γ Rays with Energies up to 11 MeV NUCLEAR REACTIONS, ICPND 233,235U, 237Np, 239,241Pu, 241Am(γ, F), E=7-11 MeV bremsstrahlung; measured fission yields, σ(E), ratios relative to 238U data. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0731. 1992ZH32 Yad.Fiz. 55, 3169 (1992); Sov.J.Nucl.Phys. 55, 1766 (1992) S.V.Zhdanov, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin Higher Moments of Energy Distributions of Fragments of Symmetric Fission NUCLEAR REACTIONS 232Th(p, F), E=7.4-30 MeV; 232Th(3He, F), E=60 MeV; 209Bi, 197Au(α, F), E=35.9-50 MeV; 206Pb(α, F), E=50 MeV; 207Pb(3He, t), E=60 MeV; measured fission fragment mass, energy distribution. 213At, 210Po, 201Tl, 235U, 233Pa deduced fission characteristics.
1991BE17 Yad.Fiz. 53, 656 (1991); Sov.J.Nucl.Phys. 53, 411 (1991) S.D.Beizin, S.V.Zhdanov, M.G.Itkis, V.N.Okolovich, G.N.Smirenkin, M.I.Subbotin Study of the Trimodal Structure of the Mass and Energy Distributions of Fission Fragments of Transactinide Nuclei NUCLEAR REACTIONS, ICPND 233Pa, 234,235,237,239Np, 239,240,241,243Am, 245Bk(p, F), E=10 MeV; measured fission fragment yields, mass, energy distributions; deduced fission mode dependence on nucleon composition.
1991BO17 Yad.Fiz. 53, 628 (1991); Sov.J.Nucl.Phys. 53, 392 (1991) G.S.Boikov, V.D.Dmitriev, G.A.Kudyaev, Yu.B.Ostapenko, M.I.Svirin, G.N.Smirenkin Spectrum of Neutrons Accompanying Fission of 232Th, 235U, and 238U by 2.9-MeV and 14.7-MeV Neutrons (Below and Above the Threshold of Emission Fission) NUCLEAR REACTIONS 232Th, 235,238U(n, F), E=2.9, 14.7 MeV; measured fission neutron spectra; deduced emission mechanism features. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41110. 1991BO25 Z.Phys. A340, 79 (1991) G.S.Boikov, V.D.Dmitriev, G.A.Kudyaev, Yu.B.Ostapenko, M.I.Svirin, G.N.Smirenkin New Data on Prefission Neutrons NUCLEAR REACTIONS 232Th, 235,238U(n, F), E=2.9, 14.7 MeV; measured neutron spectra following fission; deduced fission dynamics role.
doi: 10.1007/BF01284483
1991CH33 Yad.Fiz. 53, 1195 (1991); Sov.J.Nucl.Phys. 53, 738 (1991) G.G.Chubarian, S.M.Lukyanov, Yu.E.Penionzhkevich, V.S.Salamatin, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Fission of 249Cf Induced by 16O and 20Ne Ions NUCLEAR REACTIONS 249Cf(16O, F), E=145 MeV; 249Cf(20Ne, F), E=120 MeV; measured fission fragment mass, energy distributions. 265Sg, 269Hs deduced mass-asymmetric deformation variation features in fission.
1991FU13 At.Energ. 71, 320 (1991); Sov.At.Energy 71, 827 (1992) B.I.Fursov, E.Yu.Baranov, M.P.Klemyshev, B.F.Samylin, G.N.Smirenkin, Yu.M.Turchin Measurements of the Fission Cross Section Ratios 232Th/235U and 234U/235U for 0.13-7.4 MeV Neutrons NUCLEAR REACTIONS 232Th, 234U(n, F), E=0.13-7.4 MeV; measured fission σ ratio relative to 235U. Two double ionization chambers. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41111. 1991IT01 Yad.Fiz. 53, 1225 (1991); Sov.J.Nucl.Phys. 53, 757 (1991); Erratum Sov.J.Nucl.Phys. 55, 1607 (1992) M.G.Itkis, N.A.Kondratev, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Low-Energy Fission of Nuclei Lighter Than Hg NUCLEAR REACTIONS 194Pt, 186,188Os(p, F), E ≤ 30 MeV; 191Ir, 185Re(α, F), E=40-50 MeV; 191Ir, 185Re(3He, F), E=60 MeV; measured fission fragment yield, total kinetic energy vs mass. 187,189Ir, 195Au deduced fission saddle point shell corrections features.
1991IT02 Yad.Fiz. 53, 1238 (1991); Sov.J.Nucl.Phys. 53, 764 (1991) M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Energy Balance for Nuclear Fission in the Pb Region NUCLEAR STRUCTURE A=170-258; analyzed fission data; deduced asymmetric fission features. Energy balance formalism.
1991RA17 Yad.Fiz. 53, 1200 (1991); Sov.J.Nucl.Phys. 53, 741 (1991) E.M.Rastopchin, S.I.Mulgin, Yu.B.Ostapenko, V.V.Pashkevich, M.I.Svirin, G.N.Smirenkin Statistical and Dynamical Aspects of Preactinide Fissility NUCLEAR STRUCTURE 186,187,188,191Os, 193,196,197Pt, 198,199,200,202Hg, 206,205,207,208Pb, 173Lu, 212Po; A=160-220; analyzed fission data; deduced fissility features. NUCLEAR REACTIONS Ag(3He, F), E not given; 197Au(α, F), E=32.6-47.5 MeV; analyzed fission data; deduced fissility features.
1990BO55 At.Energ. 69, 23 (1990); Sov.At.Energy 69, 577 (1991) G.S.Boikov, V.D.Dmitriev, G.A.Kudyaev, M.I.Svirin, G.N.Smirenkin Neutron Spectra in 235U Fission Caused by 2.9- and 14.7-MeV Neutron NUCLEAR REACTIONS 235U(n, F), E=2.9, 14.7 MeV; measured neutron spectra following fission; deduced emission mechanisms. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41094. 1990GA24 Yad.Fiz. 52, 36 (1990); Sov.J.Nucl.Phys. 52, 23 (1990) P.P.Ganich, V.E.Rudnikov, D.I.Sikora, G.N.Smirenkin, A.S.Soldatov Angular Distributions of Fragments Near Threshold in Photofission of 234U and 238U NUCLEAR REACTIONS 234,238U(γ, F), E=5.5-7 MeV bremsstrahlung; measured fission fragment σ(θ); deduced fission σ quadrupole component structure.
1990IT01 Yad.Fiz. 52, 23 (1990); Sov.J.Nucl.Phys. 52, 15 (1990) M.G.Itkis, S.M.Lukyanov, V.N.Okolovich, Yu.E.Penionzhkevich, A.Ya.Rusanov, V.S.Salamatin, G.N.Smirenkin, G.G.Chubarian Experimental Study of the Mass and Energy Distributions of Fragments from Fission of Excited Nuclei with Z2/A = 33-42 NUCLEAR REACTIONS, ICPND 197Au, 232Th, 183W, 198Pt, 206Pb, 233U, 239Pu(12C, F), E=97 MeV; 197Au, 232Th, 183W, 198Pt, 206Pb, 233U, 239Pu(16O, F), E=218 MeV; 197Au, 232Th, 183W, 198Pt, 206Pb, 233U, 239Pu(20Ne, F), E=154 MeV; measured fission fragment yield, mass, energy distributions; deduced first, second moments. Liquid drop model.
1990IT03 Yad.Fiz. 52, 944 (1990); Sov.J.Nucl.Phys. 52, 601 (1990); Erratum Sov.J.Nucl.Phys. 55, 1607 (1992) M.G.Itkis, N.A.Kondratev, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Mass Asymmetry of Symmetric Fission of Nuclei with A ≈ 200 NUCLEAR REACTIONS, ICPND 197Au(p, F), E=22.4-30 MeV; 197Au(α, F), E=32.6-50 MeV; 194Pt(α, F), E=50 MeV; measured fission fragment mass yield, total kinetic energy distributions. 198Hg, 201Tl deduced fission characteristics. Fast semiconductor (E1-E2) spectrometer. Cold fission.
1990RA31 Yad.Fiz. 52, 1258 (1990); Sov.J.Nucl.Phys. 52, 799 (1990) E.M.Rastopchin, M.I.Svirin, G.N.Smirenkin Tests of the Basic Phenomenological Models of the Nuclear Level Density NUCLEAR STRUCTURE A ≈ 180-230; calculated level density with respect to measured values. 109Cd, 208Pb, 181W; calculated level density vs energy. A=20-270; analyzed data; deduced models adequacy. Fermi gas, generalized superfluid models. NUCLEAR REACTIONS 185Re(α, F), E not given; analyzed data. 189Ir deduced fisslity vs excitation energy. Fermi gas, generalized superfluid models.
1990SO11 At.Energ. 68, 257 (1990); Sov.At.Energy 68, 294 (1990) A.S.Soldatov, V.E.Rudnikov, G.N.Smirenkin, M.Z.Tarasko Relative Measurements of Photofission Cross Sections and Yields NUCLEAR REACTIONS 234,232,235,238U(γ, F), E ≈ 5-11 MeV; measured fission σ(E). 238U standard.
1989BE33 Yad.Fiz. 50, 320 (1989) S.D.Beizin, S.V.Zhdanov, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin Actinide Fission Induced by 60-MeV 3He Ions NUCLEAR REACTIONS, ICPND 232Th, 233,235,236U, 238,239,240,242Pu, 244Cm(3He, F), E=60 MeV; measured fission fragment yields, kinetic energy vs mass. 241,242,243,245Cm, 247Cf, 235U, 236,238,239,241Pu deduced fission mechanism.
1989BE41 Yad.Fiz. 50, 626 (1989) S.D.Beizin, S.V.Zhdanov, M.G.Itkis, V.N.Okolovich, G.N.Smirenkin, M.I.Subbotin Measurements and Three-Component Analysis of Mass-Energy Distributions of Fragments from Proton-Induced Fission of Nuclei 232Th and 233,235U NUCLEAR REACTIONS, ICPND 232Th, 233,235U(p, F), E=7.4 MeV; measured fission fragment yield vs mass, energy. Three-component analysis.
1989IT05 Nucl.Phys. A502, 243c (1989) M.G.Itkis, V.N.Okolovich, G.N.Smirenkin Symmetric and Asymmetric Fission of Nuclei Lighter than Radium NUCLEAR STRUCTURE A ≤ 220; analyzed data; deduced symmetric, asymmetric fission features.
doi: 10.1016/0375-9474(89)90665-9
1989RA05 Yad.Fiz. 49, 24 (1989) E.M.Rastopchin, Yu.B.Ostapenko, M.I.Svirin, G.N.Smirenkin Nuclear Surface Effect on Level Density and Fusion Probability NUCLEAR STRUCTURE 179Ta; analyzed neutron resonance level density, fissionability; deduced asymptotic parameter role.
1989RA18 Z.Phys. A333, 389 (1989) E.M.Rastopchin, G.N.Smirenkin, V.V.Pashkevich On the Role of the Second Well of the Deformation Potential Energy in Nuclear Fission in the Lead Region NUCLEAR STRUCTURE 186Os, 198Hg, 212Po; calculated potential deformation energies; deduced role in fission.
1989ZH16 Yad.Fiz. 50, 913 (1989) S.V.Zhdanov, S.D.Beizin, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, M.I.Subbotin Study of the Shape of Energy Distributions of Fission Fragments NUCLEAR REACTIONS, ICPND 209Bi(p, F), E=30 MeV; measured fission fragment yields vs mass, charge. 210Po deduced fission features.
1988GR16 Yad.Fiz. 47, 1201 (1988) E.N.Gruzintsev, M.G.Itkis, Yu.V.Kotlov, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Experimental Study of Three-Component Structure of Mass-Energy Distributions of Fission Fragments in the Vicinity of Pb NUCLEAR REACTIONS 209Bi(α, F), E=35.9 MeV; 209Bi, 204Pb(p, F), E=26 MeV; measured fission fragment yields, mass, energy distributions. 213At, 210Po, 205Bi deduced fission characteristics.
1988GR28 Yad.Fiz. 48, 312 (1988); Sov.J.Nucl.Phys. 48, 197 (1988) E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, O.I.Serdyuk, G.N.Smirenkin, M.I.Subbotin Characteristic Features of First and Second Moments of Fission-Fragment Energy Distribution as Functions of Nucleon Composition NUCLEAR STRUCTURE 201,200Tl, 206,207,209,208Bi, 210,211,212,208,207Po, 213,212At; A=165-213, Z=68-85; analyzed fission data; deduced fission fragment energy first, second moments characteristics.
1988GU18 At.Energ. 65, 208 (1988); Sov.At.Energy 65, 765 (1988) A.N.Gudkov, V.M.Zhivun, A.B.Koldobsky, S.V.Krivasheev, V.G.Nesterov, N.S.Piven, E.V.Semenova, G.N.Smirenkin Measurement of the Yield of Fission Products of 235U and 239Pu by the Method of Semiconductor Gamma Spectrometry NUCLEAR REACTIONS 235U, 239Pu(n, F), E=3 MeV; measured fission product cumulative yields. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset41025. 1988IT01 Yad.Fiz. 47, 7 (1988) M.G.Itkis, N.A.Kondratyev, Yu.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Low-Energy Fission of Gold Nuclei by Protons and α Particles NUCLEAR REACTIONS, ICPND 197Au(α, F), E=35.9 MeV; 197Au(p, F), E=26 MeV; measured fission fragment mass, energy distributions, yields. 198Hg, 201Tl deduced fission properties.
1988IT04 Fiz.Elem.Chastits At.Yadra 19, 701 (1988); Sov.J.Part.Nucl 19, 801 (1988) M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Symmetric and Asymmetric Fission of Nuclei Lighter than Thorium NUCLEAR STRUCTURE Z ≤ 90; compiled fission data; deduced fission barrier systematics.
1988KU04 Yad.Fiz. 47, 341 (1988) G.A.Kudyaev, Yu.B.Ostapenko, M.I.Svirin, G.N.Smirenkin A Possibility of Determination of the Level Density Asymptotic Parameter NUCLEAR STRUCTURE 213At, 212,210,208Po, 207Bi, 201Tl; analyzed fissionability; deduced level density asymptotic parameter.
1988KU13 Yad.Fiz. 47, 1540 (1988) G.A.Kudyaev, Yu.B.Ostapenko, E.M.Rastopchin, G.N.Smirenkin Fissionability of Nuclei and Damping of Rotational Contribution to Level Density NUCLEAR STRUCTURE 189Ir, 179Ta, 173Lu; analyzed fission probability; deduced rotational mode contribution to level density.
1988RU06 Yad.Fiz. 48, 646 (1988) V.E.Rudnikov, G.N.Smirenkin, A.S.Soldatov, S.Juhasz Angular Anisotropy in Photofission of Even-Even Nuclei at Above-Barrier Energies NUCLEAR REACTIONS 232Th, 234,236,238U(γ, F), E=6-10 MeV bremsstrahlung; measured fission fragment σ(θ); deduced anisotropy nucleonic content. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0447. 1988SV01 Yad.Fiz. 47, 84 (1988) Analysis of Neutron Evaporation Spectra in Generalized Superfluid Model of Nucleus NUCLEAR REACTIONS 94Zr, 181Ta(p, n), E=6-10 MeV; analyzed σ(En). Generalized superfluid model.
1988SV02 Yad.Fiz. 48, 682 (1988) Study of Nuclear Level Density in the Range Z = 50 NUCLEAR REACTIONS 57Fe, 94Zr, 107,109Ag, 115In, 116,117,118,119,122Sn, 181Ta(p, n), E not given; analyzed evaporation spectra; deduced parameter dependence. Generalized superfluid model.
1987GR19 Yad.Fiz. 45, 1547 (1987) E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Fission of Mercury Nuclei in Reactions Induced by Protons, 3He Ions and α Particles NUCLEAR REACTIONS 197,198Hg(p, F), (3He, F), (α, F), E ≈ 30-60 MeV; measured fission fragment mass distributions.
1987GR35 Yad.Fiz. 46, 1604 (1987) E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Energy Dependence of Dispersions in the Fragment Mass Distributions for Fission of Pre-Actinide Nuclei NUCLEAR REACTIONS 209Bi(p, F), 206Pb(α, F), 207Pb(3He, F), E not given; calculated fission fragment yield mass distribution.
1987IT03 Europhys.Lett. 4, 275 (1987) M.G.Itkis, J.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, V.N.Tolstikov Barriers and ' Anomaly ' of Symmetric to Asymmetric Yield Ratio in Fission of 213At NUCLEAR REACTIONS, ICPND 209Bi(α, F), E=17-31 MeV; measured total, asymmetric fission σ(E), fragment yield vs mass, energy distributions. 213At deduced symmetric, asymmetric fission barrier heights.
doi: 10.1209/0295-5075/4/3/004
1987IT06 Yad.Fiz. 46, 1380 (1987) M.G.Itkis, Yu.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Fission of 213At near the Threshold NUCLEAR REACTIONS, ICPND 209Bi(α, F), E=30.9, 31.7 MeV; measured fission fragment mass, energy distributions; deduced fragment yield ratio. 213At deduced fission barrier features.
1987KU11 Yad.Fiz. 45, 1534 (1987) G.A.Kudyaev, Yu.B.Ostapenko, G.N.Smirenkin Thresholds and Saddle Shapes in Symmetrical and Asymmetrical Fission in the Ra Range NUCLEAR REACTIONS 226Ra(n, F), (3He, dF), 227Ac(n, F), E=7-10 MeV; analyzed fission fragment angular anisotropies, fissionabilities. 227Ra, 228,227Ac deduced thresholds, saddle shapes. Statistical approach.
1987SM05 Yad.Fiz. 45, 319 (1987) On Energy Dependence of Fission Probabilities for Transuranium Nuclei Exposed to Fast Neutrons NUCLEAR REACTIONS 232,233,235,236,238U, 239,240,241,242Pu, 237Np, 231Pa, 241,243Am, 249Cf(n, F), E ≤ 20 MeV; analyzed fission σ(E), fission probabilities; deduced deformation energy, level density shell effects role.
1987SO17 Yad.Fiz. 46, 695 (1987); Sov.J.Nucl.Phys. 46, 389 (1987) A.S.Soldatov, V.E.Rudnikov, Z.A.Aleksandrova, G.N.Smirenkin, M.Z.Tarasko Photofission of 231Pa in the Threshold Region NUCLEAR REACTIONS 231Pa(γ, F), E=4.8-7 MeV bremsstrahlung; measured fission σ(E), yields. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0980. 1986BE20 Yad.Fiz. 43, 1373 (1986) S.D.Beizin, M.G.Itkis, I.A.Kamenev, S.I.Mulgin, V.N.Okolovich, G.N.Smirenkin Angular Anisotropy and Critical Angular Momentum in Nuclear Fission Induced by Light Charged Particles NUCLEAR REACTIONS, ICPND 209Bi, 206Pb, 205Tl, 197Au, 185Re, 182W(p, F), (α, F), E ≈ 35-75 MeV; measured fission fragment σ(θ); deduced reaction, fission σ(E). 211,210Po, 212,213At, 206Pb, 201Tl, 199,198Hg, 189Ir, 186Os, 181W, 170Yb deduced l(critical).
1986FU09 At.Energ. 61, 383 (1986); Sov.At.Energy 61, 963 (1986) B.I.Fursov, E.Yu.Baranov, M.P.Klemyshev, B.F.Samylin, G.N.Smirenkin, Yu.M.Turchin Measurement of the Fission Cross Section of 232U for Neutron Energies in the Range 0.06-7.40 MeV NUCLEAR REACTIONS 232U(n, F), E=0.6-7.4 MeV; measured fission σ(E); deduced σ relative to 239Pu standard. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40919. 1986GR05 Z.Phys. A323, 307 (1986) Ye.N.Gruzintsev, M.G.Itkis, J.V.Kotlov, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Stability of Heated Nuclei against Mass-Asymmetric Deformations in the Fission Process NUCLEAR REACTIONS 162Dy, 169Tm, 176Hf, 181Ta, 180W(3He, F), E=60-65 MeV; measured fission fragment mass distribution. 165Er, 183Os, 184Re, 179W, 172Lu deduced stiffness parameter, fission barriers.
1986GR12 Yad.Fiz. 43, 1101 (1986) E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Mass Distributions of Fission Fragments from Heated Nuclei and the Droplet Model NUCLEAR REACTIONS, ICPND 162Dy, 169Tm, 176Hf, 181Ta, 180W(3He, F), E=60-65 MeV; measured fission fragment yields, mass distributions. 165Er, 172Lu, 179W, 184Os, 179Re deduced saddle point parameter stability, barriers.
1986IT01 Yad.Fiz. 43, 1125 (1986) M.G.Itkis, S.I.Mulgin, A.Ya.Rusanov, V.N.Okolovich, G.N.Smirenkin On Formation of Mass Distributions of Fragments from Fission of Nuclei Lighter than Thorium NUCLEAR REACTIONS, ICPND 206Pb, 209Bi(α, F), 207Pb, 209Bi(3He, F), 209Bi(p, F), E not given; analyzed fission fragment mass variance vs temperature data. 212Po, 213At deduced fragment yield vs mass. 226Ra(p, F), E=13 MeV; 226Ra(α, F), E=17 MeV; calculated fragment yield vs mass.
1986RU10 At.Energ. 61, 42 (1986); Sov.At.Energy 61, 548 (1986) V.E.Rudnikov, G.N.Smirenkin, S.Juhasz Use of Jump Spark Counter of Fission-Fragment-Induced Tracks to Measure Differential Fission Cross Sections NUCLEAR REACTIONS 206Pb(α, F), E=40 MeV; measured fission fragment σ(θ). Solid state track detectors.
1985FU15 At.Energ. 59, 284 (1985); Sov.At.Energy 59, 846 (1985) B.I.Fursov, M.P.Klemyshev, B.F.Samylin, G.N.Smirenkin, Yu.M.Turchin Measurement of the Ratio of the 236U and 235U Fission Cross Sections in the Neutron-Energy Range 0.34-7.4 MeV NUCLEAR REACTIONS 236,235U(n, F), E=0.34-7.4 MeV; measured fission σ(E) ratio. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40836. 1985FU16 At.Energ. 59, 339 (1985); Sov.At.Energy 59, 899 (1985) B.I.Fursov, E.Yu.Baranov, M.P.Klemyshev, B.F.Samylin, G.N.Smirenkin, Yu.M.Turchin Measurement of the Fast-Neutron Fission Cross Sections of 231Pa and 243Am NUCLEAR REACTIONS 231Pa, 243Am(n, F), E ≤ 8 MeV; measured fission σ(E), ratio relative to 239Pu. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40837. 1985IT01 Z.Phys. A320, 433 (1985) M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Asymmetric Fission of the Pre-Actinide Nuclei NUCLEAR REACTIONS 204,206,206Pb, 209Bi, 203,205Tl(α, F), (p, F), E=24-41 MeV; measured fission fragment mass, energy distributions. 213At, 212,210,208Po, 205,207,209Bi, 204Pb, 201Tl deduced fission characteristic deformation potential energy dependence.
doi: 10.1007/BF01415720
1985IT02 Yad.Fiz. 41, 1109 (1985) M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Energy Distributions of Fission Fragments from Preactinide Nuclei and the Hypothesis on Independent Fission Modes NUCLEAR REACTIONS, ICPND 209Bi(α, F), E=32.6, 37.3 MeV; measured fission fragment mass, energy distribution, yields. 213At deduced two-fission mode hypothesis validity. NUCLEAR STRUCTURE 212,213At, 207Bi, 210Po, 236U; analyzed fission fragment mass, energy distributions, fragment kinetic energy first, second moment excitation energy dependence; deduced two-fission mode hypothesis validity.
1985IT03 Yad.Fiz. 41, 849; Sov.J.Nucl.Phys. 41, 849 (1985) M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Experimental Investigation of the Region of Existence of Asymmetric Fission in Light Nuclei NUCLEAR REACTIONS, ICPND 206Pb(p, F), E=29.6, 28.2 MeV; 204,208Pb(p, F), E=29.6, 27.1 MeV; 203Tl(p, F), E=29.6 MeV; 205,203Tl(α, F), E=50, 40.1 MeV; 197Au(α, F), E=50, 45.1, 40.1, 36.1 MeV; measured fission fragment yield vs mass; deduced asymmetric fission mass dependence.
1985VO18 At.Energ. 59, 343 (1985); Sov.At.Energy 59, 903 (1985) Measurement of the Mean-Energy Differences in the Fission-Neutron Spectra of 233U, 235U, 239Pu, and 252Cf RADIOACTIVITY 252Cf(SF); measured fission neutron spectra, mean energy differences. NUCLEAR REACTIONS 233,235U, 239Pu(n, F), E=low; measured fission neutron spectra, mean energy differences. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40838. 1984GR06 Z.Phys. A316, 61 (1984) Y.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, V.N.Tolstikov, G.N.Smirenkin New Experimental Data on the Formation of the Symmetric Fission Mode NUCLEAR REACTIONS 209Bi, 204,206,207Pb, 197Au, 205Tl(α, F), E=50 MeV; 209Bi, 204,207,208Pb, 205Tl, 197Au(3He, F), E=60 MeV; measured fission fragment mass distribution, variances vs nuclear temperature, fissility parameter. 206,207,208,209Bi, 200,201Tl, 211,213At, 207,208,210,211Po deduced symmetric fission mode characteristics.
doi: 10.1007/BF01415662
1984GR13 Yad.Fiz. 39, 1100 (1984) E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, G.N.Smirenkin, A.Ya.Rusanov, V.N.Tolstikov Investigation of Symmetric Fission of Pre-Actinide Nuclei in the (α, f) Reactions NUCLEAR REACTIONS, ICPND 209Bi(α, F), E=34.7-50 MeV; 207,208Pb(α, F), E=44-50 MeV; 204,206Pb(α, F), E ≈ 35-50 MeV; 197Au, 203,205Tl(α, F)201Tl/209Bi/207Bi/212Po/211Po/210Po/208Po/213At, E=46.4-50 MeV; measured residuals production yield vs mass, energy.
1984GR16 Yad.Fiz. 39, 1336 (1984) E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, G.N.Smirenkin Properties of W - Bi Symmetric Fission Induced by 3He Ions NUCLEAR REACTIONS, ICPND 209Bi, 204,206,207,208Pb, 203,205Tl, 197Au, 194,198Pt, 183W(3He, F)200Tl/201Tl/208Bi/209Bi/206Bi/207Bi/211Po/210Po/209Po/207Po/208Po/212At/213At, E < 60 MeV; measured fission fragment mass, energy distribution, fragment yields. 212At, 207,209,210,211Po, 206,208Bi, 200Tl, 197,201Hg, 186Os deduced symmetric fission saddle point role.
1984GR25 Yad.Fiz. 40, 616 (1984) E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, V.N.Tolstikov, G.N.Smirenkin On the Influence of the Angular Momentum and the Excitation Energy on Mass and Energy Distributions of Nuclear Fission Fragments NUCLEAR REACTIONS 192Os(16O, F), E=90, 110, 131 MeV; 204Pb(α, F), E=35.9-50 MeV; 198Pt(12C, F), E=86, 110.5 MeV; 207Pb(3He, F), E=34-60 MeV; 206Pb(α, F), E=35.1-50 MeV; analyzed fission fragment kinetic energies, mass, energy distribution dispersions. 208Po, 210Po deduced excitation, angular momentum role in fission. Empirical treatment.
1984IG01 Yad.Fiz. 40, 625 (1984) A.V.Ignatyuk, M.G.Itkis, I.A.Kamenev, S.I.Mulgin, V.N.Okolovich, G.N.Smirenkin Investigation of Fissility of Pre-Actinide Nuclei Induced by Protons and α Particles NUCLEAR REACTIONS 209Bi, 205Tl, 197Au, 185Re(p, F), E=40-70 MeV; 209Bi, 206Pb, 197Au, 185Re, 182W, 177Hf(α, F), E=40-80 MeV; measured fission σ(E). 181W, 186Os, 189,201Tl, 210Po, 213At deduced fission thresholds. Statistical approach, pairing correlations, collective, shell effects in level density. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetO0623. 1984IG02 Yad.Fiz. 40, 1404 (1984) A.V.Ignatyuk, M.G.Itkis, I.A.Kamenev, S.I.Mulgin, V.N.Okolovich, Yu.B.Ostapenko, G.N.Smirenkin Analysis of Fissility and Fission Barriers of Pre-Actinide Nuclei NUCLEAR REACTIONS 209Bi, 204,206,207,208Pb(e, F), E=30-50 MeV; analyzed fission yield vs E. Superfluid model. NUCLEAR STRUCTURE A=170-213; analyzed fission data; deduced nuclear masses, deformation energy isospin parameter modification.
1984IT01 Yad.Fiz. 39, 1349 (1984) M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin Asymmetrical Fission of 208-212Po Nuclei NUCLEAR REACTIONS, ICPND 204,206,208Pb, 209Bi(α, F)213At/212Po/210Po/208Po, E=37.3, 41.1, 45.1, 50 MeV; 209Bi(p, F)210Po, E=24.3, 27.1, 29.6 MeV; measured fission fragment yield vs mass. 208,210,212Po deduced assymmetric fission role.
1984KU04 Yad.Fiz. 39, 556 (1984); Sov.J.Nucl.Phys. 39, 352 (1984) V.M.Kupriyanov, G.N.Smirenkin, B.I.Fursov Ratio Γ(n)/Γ(F) and Fission Barriers of Cold and Heated Heavy Nuclei NUCLEAR STRUCTURE Z=100; N=152; analyzed fission, neutron emission probability shell structure dependence; deduced (Γn/ΓF) dependence on nuclear temperature.
1984KU05 Yad.Fiz. 39, 281 (1984) V.M.Kupriyanov, G.N.Smirenkin, B.I.Fursov Systematics of Neutron Cross Sections and Other Characteristics of Fission Probabilities of Transuranium Nuclei NUCLEAR STRUCTURE 228,229,230,231,232,233,234,235,236,237,238,239,240,241,242U, 230,231,232,233,234,235,236,237,238,239,240,241,242Np, 234,235,236,237,238,239,240,241,242,243,244,245,246Pu, 236,237,238,239,240,241,242,243,244,245,246,247Am, 238,239,240,241,242,243,244,245,246,247,248,249,250Cm, 242,243,244,245,246,247,248,249,250,251,252,253Bk, 245,246,247,248,249,250,251,252,253,254,255,256Cf, 244,245,246,247,248,249,250,251,252,253,254,255Es, 250,251,252,253,254,255,256,257Fm; calculated fast neutron induced fission σ; analyzed fission data systematics; deduced fission barrier heights, (Γ(n)/Γ(F)). Statistical approach, two-hump fission barrier model.
1983AN20 Yad.Fiz. 38, 832 (1983) Kh.D.Androsenko, Yu.A.Nemilov, Yu.B.Ostapenko, V.A.Rubchenya, Yu.A.Selitsky, G.N.Smirenkin, V.B.Funstein, S.V.Khlebnikov, V.A.Yakovlev Angular Anisotropy of Fragments in Neutron Induced Fission of 226Ra and 227Ac near the Threshold NUCLEAR REACTIONS 226Ra, 227Ac(n, F), E=3.7-5 MeV; measured fission fragment σ(θ); deduced near barrier angular anisotropy energy, Z dependences. Other data input. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40669. 1983GR17 Phys.Lett. 126B, 428 (1983) Ye.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, V.N.Tolstikov, G.N.Smirenkin 213At Fission Asymmetry NUCLEAR REACTIONS, ICPND 209Bi(α, F), E=34.7-50 MeV; measured fission fragment yield vs mass, energy. 213At deduced small asymmetric fission contribution.
doi: 10.1016/0370-2693(83)90356-8
1983IG01 Yad.Fiz. 37, 831 (1983) A.V.Ignatyuk, K.K.Istekov, G.N.Smirenkin Influence of Collective Effects on Neutron-to-Fission Widths Ratio in the Vicinity of N = 126 Shell NUCLEAR REACTIONS Hf(40Ar, 4n), Pb(16O, 4n), 226Ra(α, 4n); analyzed < Γn >/< ΓF >, fission data; deduced collective excitation effect on level density.
1983KU21 At.Energ. 55, 31 (1983); Sov.At.Energy 55, 472 (1983) V.M.Kupriyanov, G.N.Smirenkin, B.I.Fursov Fission Cross Section of 249Cf with Fast Neutrons NUCLEAR REACTIONS 249Cf(n, F), E=0.13-7.4 MeV; measured fission σ(E). 250Cf deduced fissility excitation energy dependence. Double ionization chamber. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40670. 1983OS06 Pisma Zh.Eksp.Teor.Fiz. 37, 556 (1983); JETP Lett.(USSR) 37, 666 (1983) Yu.B.Ostapenko, G.N.Smirenkin, A.S.Soldatov, Yu.M.Tsipenyuk Search for an Isomer Shelf in 232Th Photofission NUCLEAR REACTIONS 232Th(γ, F), E=3.3-4.8 MeV bremsstrahlung; measured fission fragment σ(θ), fission yield vs E; deduced no delayed fission, isomer shelf effects. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0075. 1982GR21 Pisma Zh.Eksp.Teor.Fiz. 35, 449 (1982); JETP Lett.(USSR) 35, 557 (1982) E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, V.N.Tolstikov Observation of Asymmetric Fission of 213At in the Reaction 209Bi(α, f) NUCLEAR REACTIONS, ICPND 209Bi(α, F), E=36 MeV; measured fission fragment yields, kinetic energy, variance vs mass. 213At deduced asymmetric fission.
1982GR24 Pisma Zh.Eksp.Teor.Fiz. 36, 304 (1982); JETP Lett.(USSR) 36, 372 (1982) E.N.Gruzintsev, M.G.Itkis, V.N.Okolovich, A.Ya.Rusanov, G.N.Smirenkin, V.N.Tolstikov Energy Dependence of the Probability for Asymmetric Fission of 213At NUCLEAR REACTIONS 209Bi(α, F), E=34.7-50 MeV; measured fission fragment mass distribution. 213At deduced asymmetric fission mode probability, energy dependence.
1982IG02 Yad.Fiz. 36, 54 (1982) A.V.Ignatyuk, K.K.Istekov, G.N.Smirenkin Analysis of Angular Anisotropy in Low-Energy Fission of Pre-Actinide Nuclei NUCLEAR STRUCTURE 208,210,211,212Po; analyzed fission data; deduced effective moment of inertia barrier dependence.
1982KU09 Yad.Fiz. 35, 598 (1982) Statistical Properties of Heavy Nuclei and Their Form Isomers NUCLEAR STRUCTURE 235U, 238Np, 239,240,241,243,245Pu, 245Cm; calculated first, second deformation potential well level mean spacings, Γn/Γf. Superfluid nuclear fission model.
1981OS08 Phys.Rev. C24, 529 (1981) Yu.B.Ostapenko, G.N.Smirenkin, A.S.Soldatov, Yu.M.Tsypenyuk Isomer Shelf in the Photofission of 232Th and 238U NUCLEAR REACTIONS, Fission 232Th, 238U(γ, F), E=3-6 MeV; calculated fission yields, prompt, delayed fission probabilities. Doorway state model.
doi: 10.1103/PhysRevC.24.529
1980IG02 Yad.Fiz. 32, 347 (1980); Sov.J.Nucl.Phys. 32, 180 (1980) A.V.Ignatyuk, K.K.Istekov, G.N.Smirenkin Fission Barriers of the Pre-Actinide Nuclei NUCLEAR STRUCTURE 173Lu, 186,187,188,190Os, 179Ta, 182W, 189,191Ir, 196,198,199,200Hg, 185Re, 192,193,194,196Pt, 201Tl, 208,210,211,212Po, 195,197Au, 213At, 207,209Bi; analyzed fission data; deduced barriers. Liquid drop model, collective effects.
1980KU14 Yad.Fiz. 32, 355 (1980); Sov.J.Nucl.Phys. 32, 184 (1980) V.M.Kupriyanov, K.K.Istekov, B.I.Fursov, G.N.Smirenkin A Simple Description of Dependence of Fission Barriers and of the Ratio Γ(n)/Γ(f) on the Nucleonic Composition for Transuranium Nuclei NUCLEAR STRUCTURE 225,226,227,228Ra, 226,227,228Ac, 227,228,229,230,231,232,233,234Th, 230,231,232,233Pa, 231,232,233,234,235,236,237,238,239,240U, 233,234,235,236,237,238,239Np, 237,238,239,240,241,242,243,244,245Pu, 239,240,241,242,243,244,245,246,247Am, 241,242,243,244,245,246,247,248,249,250Cm, 245,246,247,248,249,250Bk, 250,253Cf, 249,250,251Es; calculated < Γn/Γf >, fission barrier height dependences on neutron number. Phenomenological model.
1979IG03 Yad.Fiz. 29, 875 (1979); Sov.J.Nucl.Phys. 29, 450 (1979) A.V.Ignatyuk, K.K.Istekov, G.N.Smirenkin The Role of Collective Effects in the Systematics of Nuclear Level Densities NUCLEAR STRUCTURE A=150-250; calculated ratio of symptotic value of level density to nucleon number. Collective effects, pair correlations.
1979IG04 Yad.Fiz. 30, 1205 (1979) A.V.Ignatyuk, K.K.Istekov, G.N.Smirenkin Collective Effects in the Level Density and the Nuclear Fission Probability NUCLEAR STRUCTURE 213At, 212,210Po, 188Os, 185Re, 179Ta; calculated level density, fission probability; deduced collective effects.
1979IS04 Yad.Fiz. 29, 1156 (1979); Sov.J.Nucl.Phys. 29, 595 (1979) K.K.Istekov, V.M.Kupriyanov, B.I.Fursov, G.N.Smirenkin On the Applicability of the Conventional Systematics of the Fission Probability COMPILATION 225,227,228Ra, 226,227,228Ac, 227,228,229,230,231,232,233,234Th, 230,231,232,233Pa, 231,232,233,234,235,236,237,238,239,240U, 233,234,235,236,237,238,239Np, 237,238,239,240,241,242,243,244,245Pu, 239,240,241,242,243,244,245Am, 241,242,243,244,245,246,247,248,249Cm, 245,246,247,248,249,250Bk, 250,253Cf, 249,250,251Es; compiled data on Γn/Γf low lying excited states.
1979KU19 At.Energ. 46, 35 (1979); Sov.At.Energy 46, 35 (1979) V.M.Kupriyanov, B.I.Fursov, B.K.Maslennikov, V.M.Surin, G.N.Smirenkin Measurement of the 240Pu/235U and 242Pu/235U Fission Cross-Section Ratios for 0.127-7.4-MeV Neutrons NUCLEAR REACTIONS 240,242Pu(n, F), E=0.127-7.4 MeV; measured σ relative to 235U, 239Pu. Enriched targets, correction for spontaneous fission below neutron threshold.
doi: 10.1007/BF01119949
1979ZH01 Yad.Fiz. 30, 634 (1979); Sov.J.Nucl.Phys. 30, 326 (1979) V.E.Zhuchko, Y.B.Ostapenko, G.N.Smirenkin, A.S.Soldatov, Y.M.Tsipenyuk Properties of the Angular Anisotropy of Deep Sub-Barrier Photofission Of Even-Even Nuclei NUCLEAR REACTIONS 232Th, 236,238U(γ, F), E=4-7 MeV bremsstrahlung; measured σ(fragment θ); deduced subbarrier photofission effects. Two-hump fission barrier model. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0077. 1978IS05 Pisma Zh.Eksp.Teor.Fiz. 27, 135 (1978); JETP Lett.(USSR) 27, 126 (1978) K.K.Istekov, V.M.Kupriyanov, B.I.Fursov, G.N.Smirenkin Fission of Cold and Heated Californium Nuclei NUCLEAR REACTIONS 252Cf(n, F), (HI, xn), E=10-80 MeV; analyzed data on Γn/Γf. Confirmed that liquid-drop-model fission barrier is 2.5 times lower for strongly heated nuclei.
1978KU15 At.Energ. 45, 440 (1978); Sov.At.Energy 45, 1176 (1979) V.M.Kupriyanov, B.I.Fursov, V.I.Ivanov, G.N.Smirenkin Measurement of the 237Np/239Pu and 241Am/239Pu Fission Cross Section Ratios for 0.13-7.0 MeV Neutrons NUCLEAR REACTIONS 237Np, 241Am(n, p), E=2.0, 2.5, 3.0 MeV; measured σ relative to 239Pu. Solid targets. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40507. 1978ZH03 Yad.Fiz. 28, 1170 (1978); Sov.J.Nucl.Phys. 28, 602 (1978) V.E.Zhuchko, Y.B.Ostapenko, G.N.Smirenkin, A.S.Soldatov, Y.M.Tsipenyuk Study of the Probability of Near-Threshold Fission of the Isotopes of Th, U, Np, Pu, and Am by Bremsstrahlung NUCLEAR REACTIONS 232Th, 233,235,236,238U, 237Np, 239,241Pu, 241Am(γ, F), E=4.4-7.0 MeV [from bremsstrahlung]; measured σ(fission); discussed resonance structure, effect of two-hump barrier. Compared fissility in (γ, F), (n, F), direct reactions. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0078. 1978ZH04 Yad.Fiz. 28, 1185 (1978); Sov.J.Nucl.Phys. 28, 611 (1978) V.E.Zhuchko, Y.B.Ostapenko, G.N.Smirenkin, A.S.Soldatov, Y.M.Tsipenyuk Experimental Investigation of the Isomeric-Shelf Phenomenon in the Photofission Cross Sections of Heavy Nuclei NUCLEAR REACTIONS 232Th, 236,238U, 237Np(γ, F), E=3.5-4.6 MeV; measured σ(fission). 236,238U deduced evidence for resonance character of delayed fission. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0079. 1978ZH07 Yad.Fiz. 27 1420 (1978); Phys.Atomic Nuclei 27, 746 (1978) V.E.Zhuchko, Yu.B.Ostapenko, G.N.Smirenkin, A.S.Soldatov, Yu.M.Tsipenyuk Angular distribution of fragments from photofission of 235U NUCLEAR REACTIONS 235U(γ, F), E<13.5 MeV; measured fission fragments; deduced σ(θ). Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0016. 1977FU12 At.Energ. 43, 181 (1977); Sov.At.Energy 43, 808 (1977) B.I.Fursov, V.M.Kupriyanov, B.K.Maslennikov, G.N.Smirenkin Measurement of the Ratio of the 238U and 235U Cross Sections for Fission by 1-7-MeV Neutrons NUCLEAR REACTIONS 238,235U(n, F), E=1.7 MeV; measured σ ratio. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40506. 1977FU13 At.Energ. 43, 261 (1977); Sov.At.Energy 43, 894 (1977) B.I.Fursov, V.M.Kupriyanov, V.I.Ivanov, G.N.Smirenkin Measurement of the Ratio of the 239Pu and 235U Fission Cross Sections For 0.024-7.4 MeV Neutrons NUCLEAR REACTIONS 239Pu, 235U(n, F), E=0.024-7.4 MeV; measured σ(E) ratio. Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40501. Back to query form [Next] |