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Search: Author = V.V.Pashkevich

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2014LI06      Phys.Rev. C 89, 034626 (2014)

V.L.Litnevsky, V.V.Pashkevich, G.I.Kosenko, F.A.Ivanyuk

Description of synthesis of super-heavy elements within the multidimensional stochastic model

NUCLEAR REACTIONS ²³⁸U(⁶⁴Ni, xn), E(cm)=250-350 MeV; ²⁴⁴Pu(⁵⁸Fe, xn), E=230-350 MeV; ²⁴⁸Cm(⁴⁸Ca, xn), E=180-280 MeV; ²⁴⁸Cm(⁵⁴Cr, xn), E(cm)=225-350 MeV; calculated capture σ(E), yield of quasi-fission fragments in the fission of Z=116 isotopes produced in ²⁴⁸Cm+⁴⁸Ca reaction, fission barrier heights of Z=116 and 120 systems, crossing fission barrier σ(E), evaporation residue σ(E) for Z=116 and 120 superheavy elements. Two-stage reaction model for fusion-fission processes. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.034626
Citations: PlumX Metrics

2012LI13      Phys.Atomic Nuclei 75, 37 (2012); Yad.Fiz. 75, 39 (2012)

V.L.Litnevsky, G.I.Kosenko, F.A.Ivanyuk, V.V.Pashkevich

Allowance for the shell structure of the ¹⁰⁰₄₂Mo and ¹¹⁰₄₆Pd nuclei in the synthesis of ²⁰⁰₈₄Po, ²¹⁰₈₈Ra, and ²²⁰₉₂U

NUCLEAR REACTIONS ¹⁰⁰Mo(¹⁰⁰Mo, X)²⁰⁰Po, ¹⁰⁰Mo(¹¹⁰Pd, X)²¹⁰Ra, ¹¹⁰Pd(¹¹⁰Pd, X)²²⁰U, E(cm) < 300 MeV; calculated potential energy surfaces, σ, touching probabilities. Fusion-fission reactions involving nuclei deformed in the ground state.

doi: 10.1134/S1063778812010115
Citations: PlumX Metrics

2012LI17      Phys.Rev. C 85, 034602 (2012)

V.L.Litnevsky, V.V.Pashkevich, G.I.Kosenko, F.A.Ivanyuk

Influence of the shell structure of colliding nuclei in fusion-fission reactions

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X)²²⁴Th, ²⁰⁸Pb(¹⁸O, X)²²⁶Th, E(cm)=70-96 MeV; ²⁰⁸Pb(⁴⁸Ca, X)²⁵⁶No, E(cm)=170-205 MeV; calculated fusion and evaporation residue cross sections, yield of fission fragments, mass-energy distribution of fission fragments. Two-stage reaction model for fusion-fission process, Langevin equations for the collective coordinates. Comparison with experimental data.

doi: 10.1103/PhysRevC.85.034602
Citations: PlumX Metrics

2012LI55      Phys.Atomic Nuclei 75, 1500 (2012); Yad.Fiz. 75, 1579 (2012)

V.L.Litnevsky, G.I.Kosenko, F.A.Ivanyuk, V.V.Pashkevich

Allowance for the orientation of colliding ions in describing the synthesis of heavy nuclei

NUCLEAR REACTIONS ¹⁰⁰Mo(¹⁰⁰Mo, X)²⁰⁰Po, ²⁰⁸Pb(¹⁶O, X)²²⁴Th, ¹⁰⁰Mo(¹¹⁰Pd, X)²¹⁰Ra, ¹¹⁰Pd(¹¹⁰Pd, X)²²⁰U, E(cm)<95 MeV; analyzed available data; calculated σ. Comparison with available data.

doi: 10.1134/S1063778812110142
Citations: PlumX Metrics

2010LI50      Iader.Fiz.Enerh. 11, 341 (2010); Nuc.phys.atom.energ. 11, 341 (2010)

V.L.Litnevsky, F.A.Ivanyuk, G.I.Kosenko, V.V.Pashkevich

The fusion of heavy ions within the two step reaction model

NUCLEAR REACTIONS ¹⁰⁰Mo(¹⁰⁰Mo, X)²⁰⁰Po, ²⁰⁸Pb(¹⁸O, X)²²⁶Th, E(cm)<260 MeV; calculated deformation energy, touching probability. Two stage model of fusion-fission reactions is extended by the account of the shell structure of colliding nuclei.

2008KO30      Phys.Atomic Nuclei 71, 2052 (2008); Yad.Fiz. 71, 2086 (2008)

G.I.Kosenko, F.A.Ivanyuk, V.V.Pashkevich, D.V.Dinner

Application of a two-step dynamical model to calculating properties of fusion-fission reactions

NUCLEAR REACTIONS ²⁴⁴Pu(⁴⁸Ca, X), E=238 MeV; calculated partial touching cross sections.

doi: 10.1134/S1063778808120065
Citations: PlumX Metrics

2008PA24      Nucl.Phys. A810, 77 (2008)

V.V.Pashkevich, A.Ya.Rusanov

The ²²⁶Th fission valleys

NUCLEAR STRUCTURE ²²⁶Th; calculated deformation potential energy surface prior to scission. Symmetry and asymmetry deformation of fission valleys discussed.

doi: 10.1016/j.nuclphysa.2008.06.013
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2008PR03      Nucl.Phys. A802, 45 (2008)

E.V.Prokhorova, A.A.Bogachev, M.G.Itkis, I.M.Itkis, G.N.Knyazheva, N.A.Kondratiev, E.M.Kozulin, L.Krupa, Yu.Ts.Oganessian, I.V.Pokrovsky, V.V.Pashkevich, A.Ya.Rusanov

The fusion-fission and quasi-fission processes in the reaction ⁴⁸Ca + ²⁰⁸Pb at energies near the Coulomb barrier

NUCLEAR REACTIONS ²⁰⁸Pb(⁴⁸Ca, X), E=206?242 MeV; measured fragment yields, mass and energy distributions and capture-fission σ. Discussed reaction mechanism in terms of fusion?fission and quasi-fission.

doi: 10.1016/j.nuclphysa.2008.01.016
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetF1297.

2008RU06      Phys.Atomic Nuclei 71, 956 (2008); Yad.Fiz. 71, 984 (2008)

A.Ya.Rusanov, M.G.Itkis, N.A.Kondratiev, V.V.Pashkevich, I.V.Pokrovsky, V.S.Salamatin, G.G.Chubarian

Investigation of the ²⁰⁸Pb(¹⁸O, f) fission reaction: Mass-energy distributions of fission fragments and their correlation with the gamma-ray multiplicity

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78.0 - 198.5 MeV; measured fission fragment mass and energy distributions, Eγ, Inullfrom fission fragment distributions. Compared results to model calculations.

doi: 10.1134/S1063778808060021
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Data from this article have been entered in the EXFOR database. For more information, access X4 datasetC1046.

2007RU16      Phys.Atomic Nuclei 70, 1679 (2007); Yad.Fiz. 70, 1724 (2007)

A.Ya.Rusanov, G.D.Adeev, M.G.Itkis, A.V.Karpov, P.N.Nadtochy, V.V.Pashkevich, I.V.Pokrovsky, V.S.Salamatin, G.G.Chubarian

Investigation of the reaction ²⁰⁸Pb(¹⁸O, f): Fragment spins and phenomenological analysis of the angular anisotropy of fission fragments

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78.0-198.5 MeV; measured Eγ, Iγ, average multiplicity from fission fragments. Deduced total spins of fission fragments.

doi: 10.1134/S106377880710002X
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2004DE17      Phys.Rev. C 69, 044309 (2004)

M.A.Deleplanque, S.Frauendorf, V.V.Pashkevich, S.Y.Chu, A.Unzhakova

Gross shell structure at high spin in heavy nuclei

NUCLEAR STRUCTURE A=80-220; analyzed high-spin moments of inertia, deviations from rigid-body values; deduced shell effects. Semiclassical periodic orbit theory interpretation.

doi: 10.1103/PhysRevC.69.044309
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2004NE12      Phys.Rev. C 70, 057304 (2004)

V.O.Nesterenko, V.P.Likhachev, P.-G.Reinhard, V.V.Pashkevich, W.Kleinig, J.Mesa

Momentum distribution in heavy deformed nuclei: Role of effective mass

NUCLEAR STRUCTURE ²³⁸U; calculated proton states momentum distributions, role of deformation and effective mass. Self-consistent Skyrme-Hartree-Fock and Woods-Saxon models.

doi: 10.1103/PhysRevC.70.057304
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2004PY01      Yad.Fiz. 67, 1754 (2004); Phys.Atomic Nuclei 67, 1726 (2004)

Yu.V.Pyatkov, V.V.Pashkevich, W.H.Trzaska, G.G.Adamian, N.V.Antonenko, D.V.Kamanin, V.A.Maslov, V.G.Tishchenko, A.V.Unzhakova

Nontrivial Manifestation of Clustering in Fission of Heavy Nuclei at Low and Middle Excitations

NUCLEAR REACTIONS ²³³U(n, F), E=thermal; analyzed fission fragments total kinetic energy, charge, and mass distributions; deduced fine structure, cluster effects, related fission mechanism features.

doi: 10.1134/1.1806914
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2003PA58      Acta Phys.Hung.N.S. 18, 355 (2003)

V.V.Pashkevich

Nuclear Fission of Ra and Th Isotopes

NUCLEAR STRUCTURE ^216,226Ra, ²³²Th; calculated deformation potential energy vs fission fragment mass. ²¹⁶Ra; calculated fission fragment mass distribution for excited nucleus decay. Comparison with data.

doi: 10.1556/APH.18.2003.2-4.41
Citations: PlumX Metrics

2003PY01      Yad.Fiz. 66, 1679 (2003); Phys.Atomic Nuclei 66, 1631 (2003)

Yu.V.Pyatkov, D.V.Kamanin, A.A.Alexandrov, I.A.Alexandrova, S.V.Khlebnikov, S.V.Mitrofanov, V.V.Pashkevich, Yu.E.Penionzhkevich, Yu.V.Ryabov, E.A.Sokol, V.G.Tishchenko, A.N.Tyukavkin, A.V.Unzhakova, S.R.Yamaletdinov

New Indications of Collinear Tripartition in ²⁵²Cf(sf) Studied at the Modified FOBOS Setup

RADIOACTIVITY ²⁵²Cf(SF); measured fission fragment energy, charge, and mass distributions, neutron multiplicity; deduced possible collinear tripartition.

doi: 10.1134/1.1611571
Citations: PlumX Metrics

2002KO47      Yad.Fiz. 65, 1629 (2002); Phys.Atomic Nuclei 65, 1588 (2002)

G.I.Kosenko, F.A.Ivanyuk, V.V.Pashkevich

Multidimensional Langevin Approach to Describing the ¹⁸O + ²⁰⁸Pb Fusion-Fission Reaction

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, X), E(cm) ≈ 70-100 MeV; calculated potential energy features, fusion σ, fission fragment mass distributions, related features. Multi-step approach, Langevin equations.

doi: 10.1134/1.1508690
Citations: PlumX Metrics

2002KO72      J.Nucl.Radiochem.Sci. 3, No 1, 71 (2002)

G.I.Kosenko, F.A.Ivanyuk, V.V.Pashkevich

The Multi-dimensional Langevin Approach to the Description of Fusion-fission Reaction

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, X), E(cm) ≈ 70-95 MeV; calculated fusion, fission σ, fragment mass distributions, neutron multiplicity. Comparison with data.

2002PY02      Nucl.Instrum.Methods Phys.Res. A488, 381 (2002)

Yu.V.Pyatkov, V.G.Tishchenko, V.V.Pashkevich, V.A.Maslov, D.V.Kamanin, I.V.Kljuev, W.H.Trzaska

Manifestation of Fine Structures in the Fission Fragment Mass-Energy Distribution of the ²³³U(n_th, f) Reaction

NUCLEAR REACTIONS ²³³U(n, F), E=thermal; analyzed fission fragment mass and kinetic energy distributions; deduced fission modes, collective vibrations.

doi: 10.1016/S0168-9002(02)00441-2
Citations: PlumX Metrics

2001CH50      Phys.Rev.Lett. 87, 052701 (2001)

G.G.Chubarian, M.G.Itkis, N.A.Kondratiev, E.M.Kozulin, V.V.Pashkevich, I.V.Pokrovsky, A.Ya.Rusanov, V.S.Salamatin, R.P.Schmitt

Gamma-Ray Multiplicities and Fission Modes in ²⁰⁸Pb(¹⁸O, f)

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78-198 MeV; measured fission fragment yields, fission mode dependence of γ-ray multiplicity. Comparison with model predictions.

doi: 10.1103/PhysRevLett.87.052701
Citations: PlumX Metrics

2000PO12      Phys.Rev. C62, 014615 (2000)

I.V.Pokrovsky, M.G.Itkis, I.M.Itkis, N.A.Kondratiev, E.M.Kozulin, E.V.Prokhorova, V.S.Salamatin, V.V.Pashkevich, S.I.Mulgin, A.Ya.Rusanov, S.V.Zhdanov, G.G.Chubarian, B.J.Hurst, R.P.Schmitt, C.Agodi, G.Bellia, L.Calabretta, K.Lukashin, C.Maiolino, A.Kelic, G.Rudolf, L.Stuttge, F.Hanappe

Fission Modes in the Reaction ²⁰⁸Pb(¹⁸O, f)

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁸O, F), E=78 MeV; measured fission fragments kinetic energy, mass distributions; deduced high-energy fission mode. Multicomponent analysis method.

doi: 10.1103/PhysRevC.62.014615
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1999RU03      Yad.Fiz. 62, No 4, 595 (1999); Phys.Atomic Nuclei 62, 547 (1999)

A.Ya.Rusanov, V.V.Pashkevich, M.G.Itkis

Asymmetric Fission Barriers for Hot Rotating Nuclei and Experimental Mass Distributions of Fission Fragments

NUCLEAR STRUCTURE ¹⁰⁷Pd, ¹²³Te, ¹³⁹Ce, ¹⁵²Eu, ¹⁶⁹Tm, ¹⁸³W, ¹⁹²Ir, ²⁰⁰Hg, ²⁰⁹Bi, ²¹⁸Rn, ²³⁵U, ²⁵²Cf; calculated fission barriers vs energy, angular momentum; deduced fragment mass yields. Liquid drop model with short-range forces and surface difuseness.

1997IV01      Phys.Rev. C55, 1730 (1997)

F.A.Ivanyuk, H.Hofmann, V.V.Pashkevich, S.Yamaji

Transport Coefficients for Shape Degrees in Terms of Cassini Ovaloids

NUCLEAR STRUCTURE ²²⁴Th; calculated deformation energy along liquid drop fission valley, time-dependent nucleon response. Shape degrees transport coefficients in terms of Cassini ovaloids.

doi: 10.1103/PhysRevC.55.1730
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1997JO22      Nuovo Cim. 110A, 941 (1997)

R.V.Jolos, Yu.V.Palchikov, V.V.Pashkevich, A.V.Unzhakova

Reflection Asymmetric Deformation and Clustering in Heavy Nuclei

NUCLEAR STRUCTURE Z=50-100; calculated cluster excitation energy. ^218,220,226Ra; calculated potential energy vs octupole deformation. Cluster model.

doi: 10.1007/BF03035930
Citations: PlumX Metrics

1997PY01      Nucl.Phys. A624, 140 (1997)

Yu.V.Pyatkov, V.V.Pashkevich, Yu.E.Penionzhkevich, V.G.Tishchenko, A.V.Unzhakova, H.-G.Ortlepp, P.Gippner, C.-M.Herbach, W.Wagner

Manifestation of Clustering in the ²⁵²Cf(sf) and ²⁴⁹Cd(n(th), f) Reactions

RADIOACTIVITY ²⁵²Cf(SF); measured fission fragments mass, energy distributions; deduced clustering role in fission modes. 4π spectrometer.

NUCLEAR REACTIONS ²⁴⁹Cf(n, F), E=thermal; measured fission fragments mass, energy distributions; deduced clustering role in fission modes. 4π spectrometer.

doi: 10.1016/S0375-9474(97)00417-X
Citations: PlumX Metrics

1996KR02      Phys.Rev. C53, 1025 (1996)

H.J.Krappe, V.V.Pashkevich

Hyperon-Accompanied Fission with an Incompletely Equilibrated Λ Particle

doi: 10.1103/PhysRevC.53.1025
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1996PY02      Bull.Rus.Acad.Sci.Phys. 60, 1691 (1996)

Yu.V.Pyatkov, A.V.Unzhakova, V.V.Pashkevich, V.G.Tishchenko

Shape of ^250,252Cf Nuclei in the Course of Fission from a Viewpoint of Geometrical Cluster Structure

RADIOACTIVITY ^250,252Cf(SF); calculated potential energy, deformation during fission; deduced clustering features. Strutinsky method.

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.

1993KR08      Phys.Rev. C47, 1970 (1993)

H.J.Krappe, V.V.Pashkevich

Interpretation of Lambda-Attachment Probabilities in Hyperonic Fission

NUCLEAR STRUCTURE ²³⁸U; calculated lambda-hyperonic levels; deduced lambda-attachment probability features, hyperonic fission. Several fission paths, different asymmetries, several mechanisms.

doi: 10.1103/PhysRevC.47.1970
Citations: PlumX Metrics

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 ^{233,235,238,236,234,232}U(n, F), E ≤ 20 MeV; ²³⁸U(n, 2n'), E ≤ 20 MeV; analyzed fission σ(E). ²³⁹U deduced fission mechanism.

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 ^{186,187,188,191}Os, ^193,196,197Pt, ^{198,199,200,202}Hg, ^{206,205,207,208}Pb, 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.

1989AD06      Nucl.Phys. A502, 405c (1989)

G.D.Adeev, V.V.Pashkevich

Theory of Macroscopic Fission Dynamics

NUCLEAR STRUCTURE ²⁰⁵At, ²⁵²Fm; calculated fission trajectories. Macroscopic fission dynamics.

doi: 10.1016/0375-9474(89)90679-9
Citations: PlumX Metrics

1989AD08      Yad.Fiz. 50, 1242 (1989)

G.D.Adeev, I.I.Gonchar, V.V.Pashkevich, O.I.Serdyuk

Relaxation Times of Collective Modes in Fission of Excited Nuclei

NUCLEAR STRUCTURE ²³⁵U; calculated different fission mode relaxation times.

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.

1988AD10      Fiz.Elem.Chastits At.Yadra 19, 1229 (1988); Sov.J.Part.Nucl 19, 529 (1988)

G.D.Adeev, I.I.Gonchar, V.V.Pashkevich, N.I.Pischasov, O.I.Serdyuk

Diffusion Model of the Formation of Fission-Fragment Distributions

NUCLEAR STRUCTURE ²⁵²Fm, ²⁰⁵At, ²³⁵U; calculated dynamical trajectories at fission. ¹⁹⁸Pb, ²⁴⁰U; calculated fission fragment energy, mass distributions. ²⁰⁰Hg, ²³⁰Th, ²⁵²Cf, ²¹²At; calculated fission fragment energy excess, distribution asymmetry coefficient. Other fission characteristics discussed.

1988PA01      Nucl.Phys. A477, 1 (1988)

V.V.Pashkevich

Prescission Shapes of Symmetrically Fissioning very Heavy Nuclei

NUCLEAR STRUCTURE ²⁶⁴Fm, ^252,256Cf; calculated fission shapes. ^258,264Fm; calculated fission fragment Coulomb interaction energy.

doi: 10.1016/0375-9474(88)90357-0
Citations: PlumX Metrics

1988SA28      Yad.Fiz. 48, 42 (1988)

G.Saupe, O.I.Serdyuk, G.D.Adeev, V.V.Pashkevich

Adiabatic Description of Mass and Energy Distributions of Fission Fragments

NUCLEAR REACTIONS ²³²Th(⁴⁰Ar, F), E=301 MeV; ²⁴⁹Cf(²²Ne, F), E=174 MeV; calculated fission fragment mass distribution. Adiabatic distribution.

1988ST21      Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 834 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.5, 1 (1988)

V.M.Strutinsky, F.A.Ivanyuk, V.V.Pashkevich

Highly Deformed States in Rotating Nuclei

NUCLEAR STRUCTURE ¹⁵²Dy, ¹³²Ce; calculated deformation energies. Rotating nuclei.

1987SE16      Yad.Fiz. 46, 710 (1987); Sov.J.Nucl.Phys. 46, 399 (1987)

O.I.Serdyuk, G.D.Adeev, I.I.Gonchar, V.V.Pashkevich, N.I.Pischasov

Mass-Energy Distribution of Fission Fragments in the Diffusion Model

NUCLEAR STRUCTURE ²³⁴Pu, ²⁰⁹Po, ²⁰⁰Tl; calculated fission fragment kinetic energy vs dispersion. ²⁰⁶Pb, ²²³Ra, ²⁵²Cf, ²¹²At, ¹⁹⁸Hg; calculated fission fragment kinetic energy excess, asymmetry coefficient.

1985CW01      Nucl.Phys. A444, 1 (1985)

S.Cwiok, Z.Lojewski, V.V.Pashkevich

Fission Barriers of Odd-Mass Nuclei and Odd Nuclei with 100 ≤ Z ≤ 111

NUCLEAR STRUCTURE ^{259,261,257,255,253,251,249,247,245,243}Fm, ^{246,247,248,249,250,251,252,253,254,255,256,257,258,259,260,261,262,263}Md, ^{243,245,246,249,251,253,255,257,259,261,263}No, ^{254,255,256,257,258,259,260,261,262,263,264,265}Lr, ^{251,253,255,257,259,261,263,265}Rf, ^{254,255,256,257,258,259,260,261,262,263,264,265,266,267}Db, ^{257,259,261,263,265,267}Sg, ^{258,259,260,261,262,263,264,265,266,267,268,269,270,271}Bh, ^{259,261,263,265,267,269,271}Hs, ^{262,263,264,265,266,267,268,269,270,271}Mt, ^{263,265,267,269,271,273,275}Ds, ^{267,268,269,270,271,272,273,274,275,276,277,278}Rg; calculated deformation energy along fission barrier vs β₂, fission barrier vs neutron number. Strutinsky method, realistic Woods-Saxon potential.

doi: 10.1016/0375-9474(85)90288-X
Citations: PlumX Metrics

1985LO05      Nucl.Phys. A436, 499 (1985)

Z.Lojewski, V.V.Pashkevich, S.Cwiok

Excitation Effects on the Nuclear-Fission Process in the Heaviest Elements

NUCLEAR STRUCTURE ²⁶⁰No, ²⁶⁴Rf, ²⁶⁸Sg; calculated fission barriers. Quantum statistical approach, nuclear heating effect.

doi: 10.1016/0375-9474(85)90082-X
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1984AL30      Izv.Akad.Nauk SSSR, Ser.Fiz. 48, 875 (1984)

B.A.Alikov, K.Zuber, V.V.Pashkevich, E.G.Tsoi

Equilibrium Deformations of Single-Particle States of Odd Nuclei in the Rare Earth Region

NUCLEAR STRUCTURE ^{147,149,151,153,155,157,159,161}Eu, ^{153,155,157,159,161,163,165,167,169,171,173}Ho, ^{155,157,159,161,163,165,167,169,171,173}Tm, ^{149,151,153,155,157,159,161}Sm, ^{151,153,155,157,159,161,163}Gd, ^{155,157,159,161,163,165,167,169,171,173}Er, ^{157,159,161,163,165,167,169,171,173}Yb; calculated quadrupole, hexadecapole moments, ground state energies. ¹⁵¹Pm, ^{155,157,161,163,165}Dy, ^175,177Lu, ¹⁵⁷Tb; calculated quadrupole moments. ¹⁶⁵Er, ¹⁶⁵Tm; calculated hexadecapole moment level dependence.

1984FR06      Phys.Lett. 141B, 23 (1984)

S.Frauendorf, V.V.Pashkevich

Quasiparticles in Pear-Shaped Rotating Nuclei

NUCLEAR STRUCTURE ²²²Th; analyzed yrast level data; deduced octupole deformation evidence. N ≈ 134; calculated quasiparticle routhians. Rotating octupole-quadrupole deformed axial Woods-Saxon potential.

doi: 10.1016/0370-2693(84)90550-1
Citations: PlumX Metrics

1983CW01      Nucl.Phys. A410, 254 (1983)

S.Cwiok, V.V.Pashkevich, J.Dudek, W.Nazarewicz

Fission Barriers of Transfermium Elements

NUCLEAR STRUCTURE ^{242,244,246,248,250,252,254,256,258}Fm, ^{250,252,254,256,258,260,262,264,266}No, ²⁵⁴Rf, ²⁵⁶Rf, ²⁵⁸Rf, ²⁶⁰Rf, ²⁶²Rf, ²⁶⁴Rf; calculated fission barriers; deduced possible nuclear isomers, fission barrier separation. Strutinsky method.

doi: 10.1016/0375-9474(83)90201-4
Citations: PlumX Metrics

1980ST30      Yad.Fiz. 31, 88 (1980); Sov.J.Nucl.Phys. 31, 46 (1980)

V.M.Strutinsky, F.A.Ivanyuk, V.V.Pashkevich

Accuracy of Calculations of Shell Corrections

NUCLEAR STRUCTURE ²⁰⁸Pb, ²⁰⁴Hg, ¹⁹⁶Os; calculated shell correction energies for protons, neutrons; deduced accuracy conditions. Woods-Saxon potential, harmonic oscillator basis.

1978AL14      Izv.Akad.Nauk SSSR, Ser.Fiz. 42, 704 (1978); Bull.Acad.Sci.USSR, Phys.Ser. 42, No.4, 14 (1978)

B.A.Alikov, M.I.Baznat, F.R.Mai, M.M.Malikov, T.M.Muminov, V.V.Pashkevich

Analysis of the Properties of Odd-Even Isotopes of Terbium with A = 149, 151, 153, 155, and 157

NUCLEAR STRUCTURE ^{149,151,153,155,157}Tb; calculated levels, J, K, π, δ, multipolarity, B(λ).

1978BA64      Yad.Fiz. 27, 649 (1978); Sov.J.Nucl.Phys. 27, 346 (1978)

E.Balazs, V.V.Pashkevich

Radial Dependence of the Shell-Model Potential

NUCLEAR STRUCTURE ⁶⁶Zn, ⁹⁰Zr, ¹¹⁸Sn, ¹⁴⁰Ce, ¹⁷⁰Yb, ²⁰⁸Po, ²⁴⁰Pu, ²⁶⁰Rf; calculated radial-dependence of shell-model potential. Statistically averaged nucleon density, self-consistent potential.

1977MA14      Phys.Lett. 68B, 113 (1977)

F.R.May, V.V.Pashkevich, S.Frauendorf

A Prediction on the Shape Transitions in Very Neutron-Deficient Even-Mass Isotopes in the Lead Region

NUCLEAR STRUCTURE ^{184,186,188,190,192}Pb, ^{188,190,192,194,196,198}Pt, ^{188,190,192,194,196}Po; calculated equilibrium shapes of yrast states.

doi: 10.1016/0370-2693(77)90179-4
Citations: PlumX Metrics

1977MI20      Fiz.Elem.Chastits At.Yadra 8, 1338 (1977); Sov.J.Part.Nuclei 8, 550 (1977)

I.N.Mikhailov, K.Neergard, V.V.Pashkevich, S.Frauendorf

Influence of Rotation on the Collective Properties of Nuclei

COMPILATION A=150-192; compiled theoretical, experimental investigations into influence of rotation on collective properties of nuclei.

1976NE05      Nucl.Phys. A262, 61 (1976)

K.Neergard, V.V.Pashkevich, S.Frauendorf

Shell Energies of Rapidly Rotating Nuclei

NUCLEAR STRUCTURE ^150,154,158Gd, ^156,160,164Dy, ^162,166,170Er, ^168,172,176Yb, ^174,178,182Hf, ^180,184,188W; calculated shell corrections to deformation energy.

doi: 10.1016/0375-9474(76)90440-1
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1975CA02      Phys.Rev. C11, 782 (1975)

N.Carjan, A.Sandulescu, V.V.Pashkevich

Shell and Pairing Effects in Alpha-Accompanied Fission

RADIOACTIVITY, Fission ²⁵²Cf(SF); calculated preformation probability of α particles for different shapes.

NUCLEAR REACTIONS ²³⁵U(n, F); calculated preformation probability of α particles for different shapes.

doi: 10.1103/PhysRevC.11.782
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1975FR08      Phys.Lett. 55B, 365 (1975)

S.Frauendorf, V.V.Pashkevich

On Oblate-Prolate Transition in the Ground State Rotational Band of Light Mercury Isotopes

NUCLEAR STRUCTURE ^{181,182,183,184,185,186,187,188,189}Hg; calculated oblate-prolate energy differences, β.

doi: 10.1016/0370-2693(75)90360-3
Citations: PlumX Metrics

1975FR10      Nucl.Phys. A243, 9 (1975)

W.D.Fromm, H.F.Brinckmann, F.Donau, C.Heiser, F.R.May, V.V.Pashkevich, H.Rotter

Level Structure in ¹¹⁷Sb Investigated in the Decay of the Isomeric Three-Quasiparticle State

NUCLEAR REACTIONS ¹¹⁵In(α, 2nγ), E=21, 23, 25, 27 MeV; ¹¹⁷Sn(d, 2nγ), E=13.5 MeV; ¹¹⁷Sn(p, nγ), E=6.7 MeV; measured Eγ, Iγ, γ(θ), γ(t), γγ-coin, γ(θ, H, t), E(ce), I(ce); deduced ICC. ¹¹⁷Sb deduced levels, J, π, T_1/2, μ. Enriched targets, Ge(Li), Si(Li) detectors.

doi: 10.1016/0375-9474(75)90018-4
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1975NE06      Phys.Lett. 59B, 218 (1975)

K.Neergard, V.V.Pashkevich

Shell Corrections to the Deformation Energies of Very High Spin Nuclei (I ≤ 100)

NUCLEAR STRUCTURE ¹⁶⁸Yb, ^156,160Dy, ¹⁷⁸Hf; calculated deformation energies.

doi: 10.1016/0370-2693(75)90030-1
Citations: PlumX Metrics

1973AR10      Izv.Akad.Nauk SSSR, Ser.Fiz. 37, 906 (1973); Bull.Acad.Sci.USSR, Phys.Ser. 37, No.5, 1 (1974)

D.A.Arsenev, V.V.Pashkevich, V.G.Solovev, U.M.Fainer

Equilibrium Deformations and the Structure of a Number of Deformed Nuclei

NUCLEAR STRUCTURE ^174,176,178Yb, ^{176,178,180,182}Hf, ^{178,180,182,184}W, ^180,182,184Os; calculated ground-state deformation. ^175,177,179Yb, ^175,177,179Lu, ^{177,179,181,183}Hf, ^{177,179,181,183}Ta, ^{179,181,183,185}W, ^{179,181,183,185}Re, ^181,183Os levels calculated deformation parameters. ^177,183Ta, ¹⁷⁹Re calculated levels. Strutinsky method of shell corrections.

1973CA12      Rev.Roum.Phys. 18, 151 (1973)

N.Carjan, V.V.Pashkevich, A.Sandulescu

Nuclear Structure Effects in Alpha-Accompanied Fission

NUCLEAR STRUCTURE, Fission ²³⁵U(n, F), ²⁵²Cf(SF); calculated X-emission probability.

1972AR16      Phys.Lett. 40B, 305 (1972)

D.A.Arseniev, S.I.Fedotov, V.V.Pashkevich, V.G.Soloviev

The Effect of Changes in Equilibrium Deformations of the Excited States of Odd-A Deformed Nuclei on their Energy and Structure

NUCLEAR STRUCTURE ^153,155Sm, ^157,159,161Gd, ^159,161Dy, ^165,167,171Tm, ^169,173,175Lu, ¹⁷⁷Ta; calculated levels, wave functions for 1-phonon states. A=153-177; calculated equilibrium deformations. Quasiparticle-phonon interaction.

doi: 10.1016/0370-2693(72)90805-2
Citations: PlumX Metrics

1971PA20      Nucl.Phys. A169, 275 (1971)

V.V.Pashkevich

On the Asymmetric Deformation of Fissioning Nuclei

NUCLEAR STRUCTURE ²⁰⁸Pb, ²³⁰Th, ²³⁶U, ²⁴⁰Pu, ²⁵²Cf calculated potential energy at scission, total energy, liquid-drop energy. Strutinsky model.

doi: 10.1016/0375-9474(71)90884-0
Citations: PlumX Metrics

1970GA12      Yad.Fiz. 11, 1200 (1970); Sov.J.Nucl.Phys. 11, 667 (1970)

F.A.Gareev, S.P.Ivanova, V.V.Pashkevich

Study of Equilibrium Deformations β₂₀ and β₄₀ of Nuclei of the Rare-Earth and Transuranium Regions as Functions of the Single-Particle Characteristics of the Deformation Parameters

NUCLEAR STRUCTURE ^152,154,156Sm, ^{152,154,156,158,160,162}Gd, ^{156,158,160,162,164}Dy, ^160,162,164Er, ^182,184,186W, ^182,184Os, ^{224,226,228,230,232,234,236}Th, ^{228,230,232,234,236,238,240,242}U, ^{234,236,238,240,242}Pu; calculated quadrupole moment, deformation parameters β₂₀, β₄₀. Saxon-Woods potential.

1969PA08      Nucl.Phys. A133, 400(1969)

V.V.Pashkevich

The Energy of Non-Axial Deformation of Heavy Nuclei

NUCLEAR STRUCTURE ^228,232Th, ^234,238U, ^240,242Pu, ²⁴⁴Cm, ²⁵⁰Cf, ²⁵²No, ^254,256,260Fm, ²⁶⁰Rf; calculated levels, deformation energy.

doi: 10.1016/0375-9474(69)90641-1
Citations: PlumX Metrics

1968AR13      Yadern.Fiz. 8, 883 (1968); Soviet J.Nucl.Phys. 8, 514 (1969)

D.A.Arsenev, L.A.Malov, V.V.Pashkevich, A.Sobiczewski, V.G.Solovev

Equilibrium Deformations of Nuclei in the Region 50 < Z < 82 and 50<N<82

NUCLEAR STRUCTURE ^{120,122,124,126}Xe, ^{124,126,128,130}Ba, ^128,130,132Ce, ¹³²Nd; calculated ground-state deformation energies, parameters.

1966PA21      Izv.Akad.Nauk SSSR, Ser.Fiz. 30, 257 (1966); Bull.Acad.Sci.USSR, Phys.Ser. 30, 262 (1967)

V.V.Pashkevich

Electromagnetic Transitions in Odd-A Nonaxial Nuclei

NUCLEAR STRUCTURE ¹⁶⁷Er, ¹⁶⁵Dy, ¹⁶⁵Ho; measured not abstracted; deduced nuclear properties.

1964PA22      Izv.Akad.Nauk SSSR, Ser.Fiz. 28, 1188 (1964); Bull.Acad.Sci.USSR, Phys.Ser. 28, 1088 (1965)

V.V.Pashkevich, R.A.Sardaryan

Excited States in Nonaxial Odd-A Nuclei

NUCLEAR STRUCTURE ¹⁸⁵Re, ¹⁷⁵Hf, ¹⁷³Yb, ¹¹⁹Sb, ¹⁸⁷Re, ²³³U, ²⁵Mg, ²⁵Al; measured not abstracted; deduced nuclear properties.