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NSR database version of May 1, 2024.

Search: Author = A.V.Avdeenkov

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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. ^{58,60,62,68,72}Ni;^{110,112,116,118,120,122,124,132,136}Sn, ²⁰⁸Pb; calculated γ radiative width Γ_γ for s-wave neutrons. Different approaches and data and some results taken from publications.

doi: 10.1134/S106377881604013X
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
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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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

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
Citations: PlumX Metrics

1998AV03      Bull.Rus.Acad.Sci.Phys. 62, 23 (1998)

A.V.Avdeenkov

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.