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NSR database version of April 26, 2024.

Search: Author = A.Unzhakova

Found 17 matches.

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2022IV04      Bull.Rus.Acad.Sci.Phys. 86, 1108 (2022)

Y.V.Ivanskiy, A.V.Unzhakova

Clustering and Microscopically Separated States Formation in Fission Potential Energy Calculations

doi: 10.3103/S106287382209009X
Citations: PlumX Metrics

2011LI34      Int.J.Mod.Phys. E20, 1825 (2011)

K.Li, H.Hamilton, A.V.Ramayya, S.H.Liu, X.Q.Zhang, N.T.Brewer, J.K.Hwang, C.Goodin, S.J.Zhu, Y.X.Luo, J.O.Rasmussen, I.Y.Lee, S.C.Wu, R.Donangelo, A.V.Daniel, G.M.Ter-Akopian, Yu.Ts.Oganessian, A.Unzhakova, J.D.Cole, W.C.Ma, M.A.Stoyer

Identification of high-spin states in neutron-rich ^{89, 90, 92}Kr and ⁸⁶Se

RADIOACTIVITY ²⁵²Cf(SF); measured decay products, Eγ, Iγ, γ-γ-γ-coin. ^88,90,92Kr, ⁸⁶Se; deduced level schemes, energies, J, π. Comparison with nuclear systematics and angular correlation measurements.

doi: 10.1142/S0218301311019635
Citations: PlumX Metrics

2010PA08      Int.J.Mod.Phys. E19, 718 (2010)

V.Pashkevich, Y.Pyatkov, A.Unzhakova

Collinear cluster Tripartition in fission of actinide nuclei

RADIOACTIVITY ²⁵²Cf(SF); measured decay products; deduced tripartition in fission.

doi: 10.1142/S0218301310015151
Citations: PlumX Metrics

2009PA29      Int.J.Mod.Phys. E18, 907 (2009)

V.Pashkevich, Y.Pyatkov, A.Unzhakova

Fission potential energy surfaces in ten-dimensional deformation space

NUCLEAR STRUCTURE ²⁵²Cf, ²⁴⁶Cm, ²³⁴U; calculated fission valleys.

doi: 10.1142/S0218301309013038
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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

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

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.

1995BA60      Yad.Fiz. 58, No 4, 604 (1995); Phys.Atomic Nuclei 58, 548 (1995)

E.B.Balbutsev, A.V.Unzhakova, M.V.Andres, F.Catara, E.G.Lanza

Role of Low-Lying Isoscalar Dipole Modes in the Polarization Potential

NUCLEAR REACTIONS ²⁰⁸Pb(²⁰⁸Pb, ²⁰⁸Pb'), E=2-8 GeV; calculated GDR, GQR other multipolarities contribution to real, imaginary part of local polarization potential. Wigner function moments method.

1994BA22      Nucl.Phys. A571, 413 (1994)

E.B.Balbutsev, J.Piperova, M.Durand, I.V.Molodtsova, A.V.Unzhakova

Giant Dipole Resonance and Other 1^- Excitations

NUCLEAR STRUCTURE ⁴⁰Ca, ²⁰⁸Pb; calculated 1^- level energies. Wigner distribution function moments method.

doi: 10.1016/0375-9474(94)90219-4
Citations: PlumX Metrics

1994BA38      Yad.Fiz. 57, No 5, 741 (1994); Phys.Atomic Nuclei 57, 792 (1994)

E.B.Balbutsev, M.Duran, I.V.Molodtsova, I.Piperova, A.V.Unzhakova

Description of Collective 1^- Excitations with the Use of the Skyrme Forces

NUCLEAR STRUCTURE ²⁰⁸Pb, ⁴⁰Ca; calculated 1^- levels. Wigner function moment method, collective excitations, Skyrme forces.

1994BA99      Europhys.Lett. 26, 499 (1994)

E.B.Balbutsev, I.V.Molodtsova, A.V.Unzhakova

Compressional and Toroidal Dipole Excitations at Atomic Nuclei

NUCLEAR STRUCTURE ²⁰⁸Pb; calculated 1^- levels, excitation probability via dipole, toroidal operators. Time-dependent Hartree-Fock theory.

doi: 10.1209/0295-5075/26/7/004
Citations: PlumX Metrics

1993BA06      Yad.Fiz. 56, No 1, 74 (1993); Phys.Atomic Nuclei 56, 43 (1993)

E.B.Balbutsev, I.V.Molodtsova, A.V.Unzhakova

Influence of Quantum Effects and Nonlocality of the Interaction on Collective 3^-, 2^-, and 1^- Excitations

NUCLEAR STRUCTURE ⁴⁰Ca, ²⁰⁸Pb; calculated levels, isoscalar, isovector transition excitation probabilities, EWSR. A ≤ 250; calculated isoscalar giant octupole resonance centroid energies, B(λ). Moments of Wigner fuction method, Skyrme forces.

1993BA47      Bull.Rus.Acad.Sci.Phys. 57, 160 (1993)

E.B.Balbutsev, A.V.Unzhakova

Calculation of Giant Dipole Resonance with Skyrme Forces

1993BA76      Bull.Rus.Acad.Sci.Phys. 57, 1638 (1993)

E.B.Balbutsev, M.A.Listengarten, A.V.Unzhakova

Collective Toroidal Excitations in Atomic Nuclei

NUCLEAR STRUCTURE A ≈ 25-225; calculated 1^- state excitation, GDR centroids vs mass; deduced collective toroidal excitation features. Skyrme forces, Wigner function moments method.

Note: The following list of authors and aliases matches the search parameter A.Unzhakova: , A.V.UNZHAKOVA