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NSR database version of May 1, 2024.

Search: Author = V.L.Litnevsky

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2020LI21      Phys.Rev. C 101, 064616 (2020)

V.L.Litnevsky, F.A.Ivanyuk, G.I.Kosenko, S.Chiba

Formation of superheavy nuclei in ³⁶S ²³⁸U and ⁶⁴Ni ²³⁸U reactions

NUCLEAR REACTIONS ²³⁸U(³⁶S, X)²⁷⁴Hs^*, E^*=35.8, 41.6, 47.3, 57.7 MeV; ²³⁸U(⁶⁴Ni, X)³⁰²120^*, E^*=23.2, 33.5, 45.2, 64.1 MeV; calculated capture, fusion, fission, and evaporation residue formation σ(E), and neutron emission probabilities. Comparison with experimental results for ²³⁸U+³⁶S, and with other theoretical calculations for ²³⁸U+⁶⁴Ni.

doi: 10.1103/PhysRevC.101.064616
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2019LI27      Phys.Rev. C 99, 054624 (2019)

V.L.Litnevsky, F.A.Ivanyuk, G.I.Kosenko, S.Chiba

Description of the mass-asymmetric fission of the Pt isotopes, obtained in the reaction ³⁶Ar + ¹⁴²Nd within the two-stage fusion-fission model

NUCLEAR REACTIONS ¹⁴²Nd(³⁶Ar, X)¹⁷⁸Pt^*,142Nd(³⁶Ar, xn), E(cm)=122.78, 134.68, 142.58 MeV; calculated potential energy of projectile-target system, partial σ(E), fission fragment mass distribution, mass-energy distribution of fission events, and deformation energy and potential energy surface of ¹⁷⁸Pt compound nucleus before neutron evaporation, neutron evaporation probability. Two-stage dynamical stochastic model. Comparison with experimental data. ¹⁷⁸Pt; calculated deformation and potential energy surfaces.

doi: 10.1103/PhysRevC.99.054624
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2016LI32      Phys.Rev. C 93, 064606 (2016)

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

Description of fusion and evaporation residue formation cross sections in reactions leading to the formation of element Z=122 within the Langevin approach

NUCLEAR REACTIONS ²⁴⁸Cm(⁵⁸Fe, xn), ²⁴⁴Pu(⁶⁴Ni, xn), ²⁰⁸Pb(⁹⁰Zr, xn), E not given; calculated cross sections of touching, fusion, and evaporation residue formation, dependence of the touching and fusion cross sections on the angular momentum in connection with the synthesis of Z=122 isotopes. Dynamical multidimensional stochastic approach, based on Langevin equations.

doi: 10.1103/PhysRevC.93.064606
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2016LI55      Phys.Atomic Nuclei 79, 342 (2016); Yad.Fiz. 79, 236 (2016)

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

Allowance for the tunnel effect in the entrance channel of fusion-fission reactions

NUCLEAR REACTIONS ²³⁸U, ²⁴⁴Pu, ²⁴⁸Cm(⁴⁸Ca, x), E^*=20-50 MeV;²⁴⁸Cm(⁵⁴Cr, x), E^*=20-50 MeV;²⁴⁸Cm(⁵⁸Fe, x), E^*=20-50 MeV;²⁰⁸Pb(⁹⁰Zr, x), E=20-50 MeV;²⁴⁴Pu(⁶⁴Ni, x), E^*=20-50 MeV;²⁴⁸Cm(⁵⁸Fe, x), E^*=20-50 MeV; calculated grazing σ, capture σ using two-stage model with and without allowance for tunelling effect. Compared with data. ²⁰⁸Pb(⁴⁸Ca, x), E^*=20-50 MeV; calculated capture σ. Compared with data. Deduced possibility for tunelling effect.

doi: 10.1134/S1063778816020113
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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
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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
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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
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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
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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.