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NSR database version of May 8, 2024.

Search: Author = A.E.Gegechkori

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2014NA03      Phys.Rev. C 89, 014616 (2014)

P.N.Nadtochy, E.G.Ryabov, A.E.Gegechkori, Yu.A.Anischenko, G.D.Adeev

Incorporation of a tilting coordinate into the multidimensional Langevin dynamics of heavy-ion-induced fission: Analysis of experimental data from fusion-fission reactions

NUCLEAR REACTIONS ⁹³Nb(¹²C, X)¹⁰⁵Ag*, E=1060 MeV; ¹⁴⁴Sm(¹⁸O, X)¹⁶²Yb*, E=158.8 MeV; 18O ¹⁵⁴Sm(¹⁸O, X)¹⁷²Yb*, E=158.8 MeV; ¹⁸⁴W(¹⁶O, X)²⁰⁰Pb*, E=91.6, 97.7, 102.5, 107.9 MeV; ¹⁹⁷Au(¹⁸O, X)²¹⁵Fr*, E=158.4 MeV; ²⁰⁸Pb(¹⁶O, X)²²⁴Th*, E=108 MeV; ²³²Th(¹⁶O, X)²⁴⁸Cf*, E=128 MeV; ²³⁸U(¹⁶O, X)²⁵⁴Fm*, E=90, 96, 110, 114, 130, 140, 148, 215, 250 MeV; ²⁴⁸Cm(¹⁶O, X)²⁶⁴Rf*, E=110, 130, 148 MeV; ²⁴⁰Pu(²⁰Ne, X)²⁶⁰Rf*, E=142, 174 MeV; ²⁴⁶Cm(¹⁸O, X)²⁶⁴Rf*, E=102.5 MeV; ²³⁸U(¹⁸O, X)²⁵⁶Fm*, E=159 MeV; calculated fission rates, fission time distributions, fission fragment charge and mass-energy distributions (MEDs), mean total kinetic energy, mean multiplicity of prescission neutrons, and anisotropy of fission fragment angular distributions. 4D dynamical model based on the 3D model with the inclusion of tilting degree of freedom into Langevin dynamics. Comparison with experimental data.

doi: 10.1103/PhysRevC.89.014616
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2012NA12      Phys.Rev. C 85, 064619 (2012)

P.N.Nadtochy, E.G.Ryabov, A.E.Gegechkori, Yu.A.Anischenko, G.D.Adeev

Four-dimensional Langevin dynamics of heavy-ion-induced fission

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X)²²⁴Th*, E=90, 110, 130, 148, 215 MeV; ²³²Th(¹⁶O, X)²⁴⁸Cf*, E=90, 95, 120, 140, 160 MeV; calculated Helmholtz free energy (F), second derivative of F with respect to the mass asymmetry coordinate (stiffness), saddle-point configuration quadrupole moments, fusion-fission cross section, evaporation residue cross section, prescission neutron multiplicity, fission fragment angular distributions. Four-dimensional Langevin dynamics of heavy-ion induced fission with dynamical evolution of orientation degree of freedom (K coordinate). Comparison with experimental data.

doi: 10.1103/PhysRevC.85.064619
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2011AN03      Acta Phys.Pol. B42, 493 (2011)

Yu.A.Anischenko, A.E.Gegechkori, G.D.Adeev

Fission Rate and Time of Highly Excited Nuclei in Multi-dimensional Stochastic Calculations

NUCLEAR REACTIONS ²⁰⁸Pb(¹⁶O, X)²²⁴Th, E=90 MeV; calculated fission rate, T_1/2. Four-dimensional stochastic approach.

doi: 10.5506/APhysPolB.42.493
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2011AN05      Phys.Atomic Nuclei 74, 341 (2011); Yad.Fiz. 74, 361 (2011)

Yu.A.Anischenko, A.E.Gegechkori, G.D.Adeev

Effect of the orientation degree of freedom on the rate and time of fission of highly excited nuclei

NUCLEAR REACTIONS ¹⁹⁷Au(¹⁴N, X)²¹¹Rn, E=102, 110 MeV; ²⁰⁸Pb(¹⁶O, X)²²⁴Th, E=90, 110, 130, 148, 215 MeV; ²³²Th(¹⁶O, X)²⁴⁸Cf, E=90, 95, 120, 140, 160 MeV; ²³⁸U(¹⁶O, X)²⁵⁴Fm, E=90, 110, 130, 148, 215 MeV; calculated mean fission time and mean prescission-neutron multiplicity. Four-dimensional dynamical model.

doi: 10.1134/S1063778811030033
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2008GE05      Phys.Atomic Nuclei 71, 2007 (2008); Yad.Fiz. 71, 2041 (2008)

A.E.Gegechkori, Yu.A.Anischenko, P.N.Nadtochy, G.D.Adeev

Impact of non-Markovian effects on the fission rate and time

doi: 10.1134/S1063778808120028
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