NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = A.Avdeenkov Found 21 matches. 2016KA64 Phys.Atomic Nuclei 79, 567 (2016) S.P.Kamerdzhiev, O.I.Achakovskiy, A.V.Avdeenkov, S.Goriely On microscopic theory of radiative nuclear reaction characteristics NUCLEAR REACTIONS 72Ni(γ, x), E=5-14 MeV; calculated photoabsorption σ. 115,119Sn(n, γ)(n, γ), E=0.007-10 MeV;121Sn, 208Pb(n, γ), E=0.001-10 MeV; calculated σ. 67Ni, 117,119Sn(n, γ), E≈50, 560 keV; calculated γ multiplicity, σ(Εγ). Different approaches and data and some results taken from publications. NUCLEAR STRUCTURE 58,68,72Ni; calculated pygmy dipole resonance energy, fraction of EWSR. 132Sn, 208Pb; calculated E1 photon strength function. 58,60,62,68,72Ni;110,112,116,118,120,122,124,132,136Sn, 208Pb; calculated γ radiative width Γγ for s-wave neutrons. Different approaches and data and some results taken from publications.
doi: 10.1134/S106377881604013X
2015AC01 Phys.Rev. C 91, 034620 (2015) O.Achakovskiy, A.Avdeenkov, S.Goriely, S.Kamerdzhiev, S.Krewald Impact of phonon coupling on the photon strength function NUCLEAR STRUCTURE 110,112,116,118,120,122,124,132,136Sn, 58,62,68,72Ni; calculated E1 strength function, average radiative width. QRPA, quasiparticle time blocking approximation. Comparison with experimental data. NUCLEAR REACTIONS 115,119Sn(n, γ), E=0.007-10 MeV; calculated σ(E).QRPA, Quasiparticle time blocking approximation. Comparison with experimental data.
doi: 10.1103/PhysRevC.91.034620
2014BI09 Phys.Rev. C 90, 019802 (2014) A.V.Bibikov, A.V.Avdeenkov, I.V.Bodrenko, A.V.Nikolaev, E.V.Tkalya Reply to "Comment on 'Theoretical study of the pressure effect on the electron-capture β decay of 7Be in 7BeO and 7Be(OH)2'" RADIOACTIVITY 7Be(EC); discussed rate of increase in nuclear decay constant Λ in 7BeO with pressure, and comparison with experimental data. Hartree-Fock calculations.
doi: 10.1103/PhysRevC.90.019802
2013BI11 Phys.Rev. C 88, 034608 (2013) A.V.Bibikov, A.V.Avdeenkov, I.V.Bodrenko, A.V.Nikolaev, E.V.Tkalya Theoretical study of the pressure effect on the electron-capture β decay of 7Be in 7BeO and 7Be(OH)2 RADIOACTIVITY 7Be(EC); calculated rates of increase of nuclear decay constant as function of pressure in 7BeO and 7Be(OH)2 compounds; discussed reasons for disagreement with experimental data. Possible phase transitions in compounds. Ab initio quantum mechanical methods based on the Hartree-Fock approach.
doi: 10.1103/PhysRevC.88.034608
2012TK02 Phys.Rev. C 86, 014608 (2012) E.V.Tkalya, A.V.Avdeenkov, A.V.Bibikov, I.V.Bodrenko, A.V.Nikolaev Electron capture β decay of 7Be located inside and outside the C36 fullerene RADIOACTIVITY 7Be(EC); calculated electron densities, half-lives as a function of temperature (5 K and 293 K), ground-state energies, energy minima and equilibrium geometries of 7Be located inside and outside of C36 and C60 fullerene complexes using the Hartree-Fock method with electron correlation treatment according to MP2 or SDCI.
doi: 10.1103/PhysRevC.86.014608
2011AV04 Phys.Rev. C 83, 064316 (2011) A.Avdeenkov, S.Goriely, S.Kamerdzhiev, S.Krewald Self-consistent calculations of the strength function and radiative neutron capture cross section for stable and unstable tin isotopes NUCLEAR STRUCTURE 100,110,112,114,120,124,132,136,142,150,156,166,176Sn; calculated E1 strength functions, integral characteristics of GDR versus A, giant-dipole and pygmy-dipole resonances (GDR, PDR), neutron and proton transitional densities using self-consistent microscopic theory as well as standard quasiparticle random phase approximation (QRPA, QTBA). Comparison with experimental data. Discussed properties of GDR and PDR. NUCLEAR REACTIONS 123,131,149Sn(n, γ), E=0.001-10 MeV; calculated neutron capture cross sections obtained with E1 strength functions calculated within the QRPA, QTBA, and Kopecky-Uhl approaches.
doi: 10.1103/PhysRevC.83.064316
2011AV09 J.Korean Phys.Soc. 59, 967s (2011) A.Avdeenkov, S.Goriely, S.Kamerdzhiev Impact of the Phonon Coupling on the Dipole Strength and Radiative Neutron Capture NUCLEAR REACTIONS 124,132,150Sn(γ, X), E=4-30 MeV;123,131,149Sn(n, γ), E=1.E-3-10 MeV; calculated σ; deduced γ-ray strength functions. Self-consistent extended theory of finite Fermi systems (DTBA) with and without phonon coupling, TALYS code. Comparison with (Q)RPA and Kopecky-Uhl.
doi: 10.3938/jkps.59.967
2010AV04 Phys.Atomic Nuclei 73, 1119 (2010) A.V.Avdeenkov, S.Goriely, S.P.Kamerdzhiev Impact of the phonon coupling on the radiative neutron capture NUCLEAR REACTIONS 123,149Sn(n, γ), E<10 MeV; 124,150Sn(γ, X), E<28 MeV; calculated σ; deduced phonon contribution to pigmy-dipole resonance and radiative neutron capture σ. Extended theory of Finite fermi Systems (ETFFS).
doi: 10.1134/S1063778810070057
2009AV04 Phys.Atomic Nuclei 72, 1332 (2009); Yad.Fiz. 72, 1385 (2009) A.V.Avdeenkov, S.P.Kamerdzhiev Pygmy dipole resonance in nuclei NUCLEAR REACTIONS 124Sn(α, αγ), E = 0-30 MeV; calculated photoabsorption σ, isoscalar and isovector strength functions, energies and B(E1) for pygmy and dipole resonances.
doi: 10.1134/S1063778809080080
2009TS03 Phys.Rev. C 79, 034309 (2009) V.Tselyaev, J.Speth, S.Krewald, E.Litvinova, S.Kamerdzhiev, N.Lyutorovich, A.Avdeenkov, F.Grummer Description of the giant monopole resonance in the even-A 112-124Sn isotopes within a microscopic model including quasiparticle-phonon coupling NUCLEAR STRUCTURE 90Zr, 110,112,114,116,118,120,122,124,132Sn, 144Sm, 208Pb; calculated strength distribution, mean energies and widths of isoscalar giant-monopole resonances (ISGMR) using two microscopic models: quasiparticle random phase approximation (QRPA) and quasiparticle time blocking approximation (QTBA) with self-consistence scheme based on Hartree-Fock+Bardeen-Cooper-Schrieffer (HF+BCS) approximation and Skyrme energy functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.79.034309
2008LY03 Eur.Phys.J. A 37, 381 (2008) N.Lyutorovich, J.Speth, A.Avdeenkov, F.Grummer, S.Kamerdzhiev, S.Krewald, V.I.Tselyaev Self-consistent calculations within the Green's function method including particle-phonon coupling and the single-particle continuum NUCLEAR STRUCTURE 132Sn, 208Pb; calculated levels, J, π, B(E1), GDR, photoabsorption σ, isoscalar/isovector quadrupole strength distributions using a quasiparticle time blocking approximation. Comparison with RPA and data.
doi: 10.1140/epja/i2008-10638-x
2007TE05 Phys.Lett. B 647, 104 (2007) G.Tertychny, V.Tselyaev, S.Kamerdzhiev, F.Grummer, S.Krewald, J.Speth, A.Avdeenkov, E.Litvinova Microscopic description of the low lying and high lying electric dipole strength in stable Ca isotopes NUCLEAR STRUCTURE 40,44,48Ca; calculated B(E1), electric dipole strength distribution, GDR. Extended theory of finite Fermi systems.
doi: 10.1016/j.physletb.2007.01.069
2007TE08 Nucl.Phys. A788, 159c (2007) G.Tertychny, V.Tselyaev, S.Kamerdzhiev, F.Grummer, S.Krewald, J.Speth, E.Litvinova, A.Avdeenkov Pygmy dipole resonance in stable Ca isotopes NUCLEAR STRUCTURE 40,44,48Ca; calculated B(E1), electric dipole strength distribution, transition densities. Extended theory of finite Fermi systems using RPA. Comparison with data.
doi: 10.1016/j.nuclphysa.2007.01.077
2007TS01 Phys.Rev. C 75, 014315 (2007) V.Tselyaev, J.Speth, F.Grummer, S.Krewald, A.Avdeenkov, E.Litvinova, G.Tertychny Extended theory of finite Fermi systems: Application to the collective and noncollective E1 strength in 208Pb NUCLEAR STRUCTURE 208Pb; calculated levels, J, π, E1 strength distribution, transition densities. Extended theory of finite Fermi systems.
doi: 10.1103/PhysRevC.75.014315
2001BO30 Nucl.Phys. A688, 493c (2001) I.N.Borzov, A.V.Avdeenkov, B.Grun, H.Oberhummer Direct Neutron Capture in a Microscopic Model NUCLEAR REACTIONS 124,132Sn, 208,232Pb(n, γ), E=30 keV; calculated non-resonant direct capture σ. Green's function formalism, comparison with other calculations and with data.
doi: 10.1016/S0375-9474(01)00766-7
1999AV02 Yad.Fiz. 62, No 4, 610 (1999); Phys.Atomic Nuclei 62, 563 (1999) A.V.Avdeenkov, S.P.Kamerdzhiev Description of Excitations in Odd Nonmagic Nuclei by Green's Function Method NUCLEAR STRUCTURE 119,121Sn; calculated single-particle strength distributions, neutron states spectrocopic factors. Single-particle Green's function method.
1999AV03 Pisma Zh.Eksp.Teor.Fiz. 69, 669 (1999); JETP Lett. 69, 715 (1999) A.V.Avdeenkov, S.P.Kamerdzhiev On the Mechanisms of Superfluidity in Atomic Nuclei
doi: 10.1134/1.568080
1999AV05 Phys.Lett. 459B, 423 (1999) A.V.Avdeenkov, S.P.Kamerdzhiev The Role of Ground State Correlations in the Single-Particle Strength of Odd Nuclei with Pairing NUCLEAR STRUCTURE 119,121Sn; calculated single-particle levels, spectroscopic factors; deduced role of ground-state correlations, quasiparticle-phonon interactions. Comparisons with data.
doi: 10.1016/S0370-2693(99)00719-4
1998AV03 Bull.Rus.Acad.Sci.Phys. 62, 23 (1998) M1 Resonances in 100Sn and 132Sn Nuclei NUCLEAR STRUCTURE 100,132Sn; calculated isovector M1 resonances energy, B(M1); deduced resonance splitting contributions. Microscopic model.
1997AV07 Bull.Rus.Acad.Sci.Phys. 61, 1656 (1997) A.V.Avdeenkov, S.P.Kamerdzhiev Effect of Quasiparticle-Phonon Interaction on Single-Particle Filling Numbers for Nonmagic Nuclei NUCLEAR STRUCTURE 86Kr, 120Sn, 208Pb; calculated single-particle occupancies; deduced quasiparticle-phonon interaction contribution. Green's function method.
1996AV07 Bull.Rus.Acad.Sci.Phys. 60, 1716 (1996) A.V.Avdeenkov, S.P.Kamerdzhiev On Application of the Optical Potential Theory to Calculation of Nucleon-Nucleus Cross Sections NUCLEAR REACTIONS 120Sn, 208Pb(n, γ)E=0-4 MeV; calculated optical potentials, s-wave absorption σ. Green function potential, particle+phonon states.
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