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NSR database version of April 25, 2024.

Search: Author = V.N.Okolovich

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2002GO32      Phys.Lett. 548B, 45 (2002)

D.M.Gorodisskiy, S.I.Mulgin, V.N.Okolovich, A.Y.Rusanov, S.V.Zhdanov

Isotopic and isotonic effects in fission-fragment mass yields of actinide nuclei

NUCLEAR REACTIONS ²³²Th, ^{233,235,236,238}U, ^{238,239,240,242}Pu, ²⁴⁴Cm(p, F), E=10.3 MeV; measured fission fragment mass distributions; deduced isotopic and isotonic effects.

doi: 10.1016/S0370-2693(02)02838-1
Citations: PlumX Metrics

1999MU15      Phys.Lett. 462B, 29 (1999)

S.I.Mulgin, V.N.Okolovich, S.V.Zhdanov

Observation of New Channel in the Proton-Induced Low-Energy Fission of Nuclei from ²³³Pa to ²⁴⁵Bk

NUCLEAR REACTIONS ²³²Th, ^235,236U, ²⁴⁰Pu, ²⁴⁴Cm(p, F), E=10.3 MeV; measured fission fragments mass and energy distributions; deduced model parameters for different fission modes.

doi: 10.1016/S0370-2693(99)00859-X
Citations: PlumX Metrics

1997MU33      Nucl.Instrum.Methods Phys.Res. A388, 254 (1997)

S.I.Mulgin, V.N.Okolovich, S.V.Zhdanov

Two-Parametric Method for Silicon Detector Calibration in Heavy Ion and Fission Fragment Spectrometry

doi: 10.1016/S0168-9002(96)01211-9
Citations: PlumX Metrics

1997RU02      Yad.Fiz. 60, No 5, 773 (1997); Phys.Atomic Nuclei 60, 683 (1997)

A.Ya.Rusanov, M.G.Itkis, V.N.Okolovich

Features of Mass Distributions of Hot Rotating Nuclei

NUCLEAR STRUCTURE Z=50-108; compiled, reviewed energy, mass distributions of fission fragments; deduced dynamical effects, manifestation related features, hot nuclei. Data from many reactions included.

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.

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.

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.

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, ^{234,235,237,239}Np, ^{239,240,241,243}Am, ²⁴⁵Bk(p, F), E=10 MeV; measured fission fragment yields, mass, energy distributions; deduced fission mode dependence on nucleon composition.

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.

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.

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.

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, ^{238,239,240,242}Pu, ²⁴⁴Cm(³He, F), E=60 MeV; measured fission fragment yields, kinetic energy vs mass. ^{241,242,243,245}Cm, ²⁴⁷Cf, ²³⁵U, ^{236,238,239,241}Pu 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
Citations: PlumX Metrics

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.

1988BE07      Yad.Fiz. 47, 16 (1988)

S.D.Beizin, M.G.Itkis, V.N.Okolovich, M.I.Subbotin

Possible Determination of the Deuteron Decay Probability from Fission Studies

NUCLEAR REACTIONS ²³⁵U(d, F), E=11-25.2 MeV; ²³⁶U(p, F), E=10.5-30.1 MeV; measured fission fragment yields; deduced deuteron decay probability.

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, ^{206,207,209,208}Bi, ^{210,211,212,208,207}Po, ^213,212At; A=165-213, Z=68-85; analyzed fission data; deduced fission fragment energy first, second moments characteristics.

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.

1988ZA07      Ukr.Fiz.Zh. 33, 809 (1988)

N.I.Zaika, Yu.V.Kibkalo, V.P.Tokarev, V.A.Shityuk, E.N.Gruzintsev, M.G.Itkis, S.I.Mulgin, V.N.Okolovich, A.Ya.Rusanov, V.N.Tolstikov

Energy Dependence of Characteristics of Actinide Nuclei Fission by ³He Ions with Energies of 40-60 MeV

NUCLEAR REACTIONS, ICPND ^235,236U(³He, F), E=40-60 MeV; measured fission σ(E), σ(θ); deduced anisotropy vs E, θ.

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
Citations: PlumX Metrics

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.

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).

1986BE47      At.Energ. 60, 141 (1986); Sov.At.Energy 60, 177 (1986)

B.N.Belyaev, E.A.Gromova, S.S.Kovalenko, A.V.Lovtsyus, Yu.A.Nemilov, Yu.A.Selitsky, A.V.Stepanov, A.M.Fridkin, V.B.Funshtein, V.A.Yakovlev, V.N.Okolovich, G.A.Petrov

The Long-Lived ²³⁶Np Isomer's Fission Cross Section for Thermal Neutrons

NUCLEAR REACTIONS ²³⁶Np(n, F), E=thermal; measured isomer fission σ. Isomer production from ²³⁸U(p, 3n) reaction.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40922.

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.

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
Citations: PlumX Metrics

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.

1984BE29      Yad.Fiz. 39, 1093 (1984)

S.D.Beizin, M.G.Itkis, Yu.A.Muzychka, V.N.Okolovich, B.I.Pustylnik

Study of Probability of Sn and ¹⁴⁰Ce Isotope Fission Induced by ¹²C and ²⁰Ne Ions

NUCLEAR REACTIONS, ICPND ^112,118,124Sn, ¹⁴⁰Ce(¹²C, F), E=86-110 MeV; ¹²⁰Sn(²⁰Ne, F), E=104-120 MeV; measured fission σ, fragment σ(θ). ¹⁵³Tb, ^124,130,136Ba, ¹⁴⁴Nd, ¹⁴²Gd deduced fission barriers.

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. ^{206,207,208,209}Bi, ^200,201Tl, ^211,213At, ^{207,208,210,211}Po deduced symmetric fission mode characteristics.

doi: 10.1007/BF01415662
Citations: PlumX Metrics

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, ^{204,206,207,208}Pb, ^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, ^{207,209,210,211}Po, ^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, ^{204,206,207,208}Pb(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.

1983BE23      Yad.Fiz. 37, 809 (1983)

S.D.Beysin, M.G.Itkis, J.A.Muzycka, V.N.Okolovich, B.I.Pustylnik

Investigation of Fission of Pre-Actinide Nuclei Produced in Reactions Induced by Carbon Nuclei

NUCLEAR REACTIONS, ICPND ¹⁵⁸Gd, ^164,168Er, ¹⁷⁶Yb, ^176,180Hf, ^182,184W, ^{187,188,189,190,192}Os, ^194,198Pt(¹²C, F), E ≈ 70-120 MeV; measured fission σ(E), σ(fragment θ). ¹⁷⁰Yb, ^176,180W, ¹⁸¹Re, ^186,188Os, ¹⁸⁷Ir, ^188,192Pt, ^194,196Hg, ^{199,200,201,202,204}Pb, ^206,210Po; deduced fission barriers, level density parameters, critical angular momentum. Statistical theory. Other data input.

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
Citations: PlumX Metrics

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.

1982IT02      Yad.Fiz. 36, 824 (1982)

M.G.Itkis, R.Kalpakchieva, V.N.Okolovich, Yu.E.Penionzhkevich, V.N.Tolstikov

Influence of Excitation Energy and Angular Momentum on Characteristics of Fragments from Fission of Compound Nuclei ²⁰⁸Po and ²¹⁰Po

NUCLEAR REACTIONS ^204,206,207Pb(³He, F), E=60 MeV; ¹⁹²Os(¹⁶O, F), E=90, 110, 131 MeV; ¹⁹⁸Pt(¹²C, F), E=86, 110.5 MeV; measured fission fragment yield, kinetic energy vs mass; deduced compound nuclear excitation, angular momentum role.

1980BE60      Yad.Fiz. 32, 1197 (1980); Sov.J.Nucl.Phys. 32, 618 (1980)

S.D.Beizin, M.G.Itkis, Yu.A.Muzychka, V.N.Okolovich, B.I.Pustylnik

Analysis of the Emission (Multiple-Chance) Fission of the Lead Isotopes

NUCLEAR REACTIONS Os(¹²C, F), E=75.2-110.5 MeV; analyzed fission σ(E). ^200,201,202Pb deduced preemission fission.

1978KU01      Yad.Fiz.27, 54 (1978); Sov.J.Nucl.Phys. 27, 28 (1978)

I.M.Kuks, Y.A.Nemilov, V.A.Nikolaev, Y.A.Selitskii, V.B.Funshtein, N.Vylkov, M.G.Itkis, V.N.Okolovich

Search for Near-Threshold Asymmetrical Fission of Bismuth by α Particles.

NUCLEAR REACTIONS ²⁰⁹Bi(α, F), E=28, 29, 30 MeV; measured fragment track diameters; deduced fission symmetry of compound system.

1977IG01      Yad.Fiz. 25, 25 (1977); Sov.J.Nucl.Phys. 25, 13 (1977)

A.V.Ignatyuk, M.G.Itkis, V.N.Okolovich, G.Y.Ruskina, G.N.Smirenkin, A.S.Tishin

Fission of Preactinide Nuclei. Angular Anisotropy of the (α, f) Reaction

NUCLEAR REACTIONS Hf, Ta, W, Re, Os, Pt, Au, Tl, Pb, Bi(α, F), E=30-50 MeV; measured fragment(E;θ).

1977ZH03      Yad.Fiz. 26, 473 (1977); Sov.J.Nucl.Phys. 26, 251 (1977)

O.A.Zhukova, A.G.Ignatyuk, M.G.Itkis, A.I.Mulgin, V.N.Okolovich, G.N.Smirenkin, A.S.Tishin

Fission of Pre-Actinide Nuclei. The (p, f) Reaction in the Proton Energy Region 24-30 MeV

NUCLEAR REACTIONS ¹⁸³W, ¹⁸⁵Re, ^190,189,188Os, ^194,195,196Pt, ¹⁹⁷Au, ^203,205Tl, ^206,207,208Pb, ²⁰⁹Bi(p, F), E=24-30 MeV; measured σ(E). ¹⁸⁴Re, ¹⁸⁶Os, ^189,190,192Ir, ^195,196,197Au, ¹⁹⁸Hg, ^204,206Pb, ^207,208,209Bi, ²¹⁰Po deduced fission barrier heights.

1975IG01      Pisma Zh.Eksp.Teor.Fiz. 21, 164 (1975); JETP Lett.(USSR) 21, 74 (1975)

A.V.Ignatyuk, M.G.Itkis, V.N.Okolovich, G.N.Smirenkin, A.S.Tishin

Anomalous Influence of the Angular Momentum on the Fission of Light Nuclei by Protons and α Particles

NUCLEAR REACTIONS ¹⁸⁵Re, ¹⁹⁷Au, ²⁰⁸Pb, ²⁰⁹Bi(p, F); ¹⁸⁵Re, ^203,205Tl(α, F); E < 50 MeV. ¹⁸⁶Os, ¹⁸⁹Ir, ¹⁹⁸Hg, ^207,209Bi, ²¹⁰Po; measured fission probability.

1975IG02      Yad.Fiz. 21, 1185 (1975); Sov.J.Nucl.Phys. 21, 612 (1976)

A.V.Ignatyuk, M.G.Itkis, V.N.Okolovich, G.N.Smirenkin, A.S.Tishin

Fission of Pre-Actinide Nuclei. Excitation Functions for the (α, f) Reaction

NUCLEAR REACTIONS ^{176,177,178,180}Hf, ^{182,183,184,186}W, ^185,187Re, ^{188,189,190,192}Os, ^191,193Ir, ^{192,194,195,196}Pt, ¹⁹⁷Au, ^203,205Tl, ^{204,206,207,208}Pb, ²⁰⁹Bi(α, F), E=25-50 MeV; measured σ.

1975IT01      Yad.Fiz. 22, 864 (1975); Sov.J.Nucl.Phys. 22, 447 (1975)

M.G.Itkis, Y.A.Nemilov, V.A.Nikolaev, V.N.Okolovich, Y.A.Selitskii

Asymmetry in Fission of Bismuth by α Particles

NUCLEAR REACTIONS ²⁰⁹Bi(α, F), ²³⁸U(α, F), E=29 MeV; measured symmetric/asymmetric fission.

1975OK02      Yad.Fiz. 21, 699 (1975); Sov.J.Nucl.Phys. 21, 360 (1975)

V.N.Okolovich, A.F.Pavlov, A.S.Tishin

Influence of Nucleon Pairing Effects on the Fission-Fragment Yields

NUCLEAR REACTIONS ²³²Th(α, F), E=23.5, 27, 30, 35 MeV; measured σ(E;E(fragment mass)). ²³⁶U deduced effect of nucleon pairing on fragment mass distribution.

1975OK03      Yad.Fiz. 21, 1154 (1975); Sov.J.Nucl.Phys. 21, 594 (1976)

V.N.Okolovich, G.Y.Ruskina

Effective Moments of Inertia of Pre-Actinide Nuclei

NUCLEAR STRUCTURE ¹⁸⁶Os, ¹⁹²Pt, ^198,199Hg, ^210,211Po; analyzed effective moments of inertia.

1973IT02      At.Energ. 34, 133 (1973); Sov.At.Energy 34, 175 (1973)

M.G.Itkis, V.N.Okolovich, A.F.Pavlov, G.Y.Ruskina

Measurement of the Energy Distributions of the Fragments Derived from the Fission of Preactinide Nuclei by Alpha Particles, Using the 'Track Method'

NUCLEAR REACTIONS, Fission ¹⁸⁵Re, ¹⁸⁸Os, ¹⁹⁷Au, ²⁰⁹Bi(α, F), E < 35 MeV; measured fragment(E). Track method.

1973OK08      Izv.Akad.Nauk Kaz.SSR, Ser.Fiz.-Mat. No.2, 81 (1973)

V.N.Okolovich, A.F.Pavlov

Average Kinetic Energy of Fragments from Induced Fission of ²⁵⁰Cf

NUCLEAR REACTIONS ²⁴⁹Cf(n, F), E=thermal; measured fragment energy distribution.

1973OK09      Izv.Akad.Nauk Kaz.SSR, Ser.Fiz.-Mat. No.4, 21 (1973)

V.N.Okolovich, M.G.Itkis, K.G.Kuvatov, G.Y.Ruskina

Possibility for the Determination of the Critical Energy of the Phase Transition of Preactinide Nuclei

NUCLEAR REACTIONS ^196,198Hg, ^208,210,212Pb(α, F), E=29-46 MeV; measured σ(E), F-width/n-width(E).

1973PA11      Yad.Fiz. 17, 1143 (1973); Sov.J.Nucl.Phys. 17, 595 (1973)

A.F.Pavlov, V.N.Okolovich, P.P.Dyachenko, B.D.Kuzminov

Fragment Characteristics in Fission of the Compound Nucleus U²³⁶ Induced by Neutrons and α Particles

NUCLEAR REACTIONS ²³²Th(α, F), ²³⁵U(n, F), E=18-30 MeV; measured σ(E(fragment)).

NUCLEAR REACTIONS, Fission ²³⁶U(α, F), (n, F), E=18-30 MeV; measured σ(E fragment).

1972IT01      Yad.Fiz. 16, 258 (1972); Sov.J.Nucl.Phys. 16, 144 (1973)

M.G.Itkis, K.G.Kuvatov, V.N.Okolovich, G.Y.Ruskina, G.N.Smirenkin, A.S.Tishin

Po²¹⁰ Fission in Pb²⁰⁶(α, f) Reaction

NUCLEAR REACTIONS, Fission ²⁰⁶Pb(α, F), E=29-46 MeV; measured σ(E;θ=0, 90°). ²¹⁰Po deduced fission barrier, superfluid phase transition energy.

1972IT02      Izv.Akad.Nauk Kaz.SSR, Ser.Fiz.-Mat. No.6, 46 (1972)

M.G.Itkis, K.G.Kuvatov, V.S.Magzumova, V.N.Maratkanov, V.N.Okolovich, G.Y.Ruskina

Energy Dependence of the Parameter of the Level Density of the Residual Nucleus ²⁰⁹Po

NUCLEAR REACTIONS ²⁰⁶Pb(α, F), (α, nF), E=29-46 MeV; measured relative σ(E).

1972OK03      Yad.Fiz. 16, 1150 (1972); Sov.J.Nucl.Phys. 16, 631 (1973)

V.N.Okolovich, M.G.Itkis, K.G.Kuvatov, G.N.Smirenkin

Study of Phase Transition in the Density of the Excited States of Even-Even Pb Nuclei in the (α, f) Reaction

NUCLEAR REACTIONS ^204,206,208Pb(α, F), E=29-46 MeV; measured σ(E). ^208,210,212Po deduced critical transition energy, correlation function.

NUCLEAR REACTIONS, Fission ^204,206,208Pb(α, F), E=29-46 MeV; measured σ(E). ^208,210,212Po deduced critical transition energy, correlation function.

1972VO04      Yad.Fiz. 15, 29 (1972); Sov.J.Nucl.Phys. 15, 17 (1972)

K.E.Volodin, V.G.Nesterov, B.Nurpeisov, G.N.Smirenkin, Y.M.Turchin, V.N.Kosyakov, L.V.Chistyakov, I.K.Shvetsov, V.M.Shubko, L.N.Mezentsev, V.N.Okolovich

Neutron Yield and Fragment Kinetic Energy in Thermal-Neutron-Induced Fission of Cf²⁴⁹

NUCLEAR REACTIONS, Fission ²⁴⁹Cf(n, F), E=thermal; measured average prompt neutron number, fragment kinetic energy.

Data from this article have been entered in the EXFOR database. For more information, access X4 dataset40125.

1971KU20      Yad.Fiz. 14, 79 (1971); Sov.J.Nucl.Phys. 14, 45 (1972)

K.G.Kuvatov, V.N.Okolovich, L.A.Smirina, G.N.Smirenkin, V.P.Bochin, V.S.Romanov

Angular Anisotropy and Cross Section for Fission of Nuclei in the Region Z = 73-83 by 38-MeV α Particles

NUCLEAR REACTIONS, Fission ¹⁸¹Ta, Hg, ^185,187Re, ^{188,189,190,192}Os, ^194,195Pt, ¹⁹⁷Au, ^203,205Tl, ^{204,206,207,208}Pb, ²⁰⁹Bi(α, F), E=38 MeV; measured σ(θ(fragment)).

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetD0773.

1971KU31      Izv.Akad.Nauk Kaz.SSR, Ser.Fiz.-Mat. No.2, 78 (1971)

K.G.Kuvatov, L.A.Smirina, V.N.Okolovich, S.I.Prokofev

Energy Dependence of the Angular Anisotropy of ¹⁸⁸Os Fragments during Fission by α-Particles

NUCLEAR REACTIONS ¹⁸⁸Os(α, F), E=31-38 MeV; measured fragment (E;θ).

1971OK07      Yad.Fiz. 14, 514 (1971); Sov.J.Nucl.Phys. 14, 288 (1972)

V.N.Okolovich, A.F.Pavlov

Energy Dependence of the Average Kinetic Energy of Fragments in Fission of Th²³², U²³⁵, and U²³⁸ by α Particles

NUCLEAR REACTIONS, Fission ²³²Th, ^235,238U(α, F), E=23-38 MeV; measured average fragment kinetic energy.

1970KU08      Pisma Zh.Eksp.Teor.Fiz. 11, 42 (1970); JETP Lett. 11, 26 (1970)

K.G.Kuvatov, V.N.Okolovich, G.N.Smirenkin

Angular Anisotropy of the Fission of Pb²⁰⁴ and Pb²⁰⁸ by Alpha Particles Near the Threshold

NUCLEAR REACTIONS ^204,208Pb(α, F), E=29-38 MeV; measured σ(E;θ(fragment)).

1968KU16      Yadern.Fiz. 7, 39(1968); Soviet J.Nucl.Phys. 7, 29(1968)

K.G.Kuvatov, V.N.Okolovich, A.F.Pavlov

Average Kinetic Energy of Fragments in the Fission of U²³⁸ by Neutrons of Energies 6-9 MeV

NUCLEAR REACTIONS, Fission ²³⁸U(n, F), E=6-9 MeV; measured average fragment energy.