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NSR database version of May 19, 2024.

Search: Author = A.I.Vdovin

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2023US01      Bull.Rus.Acad.Sci.Phys. 87, 1155 (2023)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov, Sh.R.Nematjonov

Magnetic Properties of Excited States of the 156Gd Nucleus

NUCLEAR STRUCTURE 156Gd; calculated energy levels, J, π, B(M1), multipole mixing for transitions using a phenomenological model with allowance for the Coriolis mixing of states of low-lying rotational bands of positive parity.

doi: 10.3103/S1062873823703021
Citations: PlumX Metrics

2022DZ03      Physics of Part.and Nuclei 53, 1051 (2022)

A.A.Dzhioev, A.I.Vdovin

Superoperator Approach to the Theory of Hot Nuclei and Astrophysical Applications. III: Neutrino-Nucleus Reactions in Stars

NUCLEAR REACTIONS 52Cr(ν, ν'), E<40 MeV; 56Fe, 82Ge(ν, X), E<100 MeV; calculated σ within the quasiparticle random phase approximation (QPRA) for multipole nucleon current operators.

doi: 10.1134/S106377962206003X
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2022US01      Bull.Rus.Acad.Sci.Phys. 86, 918 (2022)

P.N.Usmanov, A.I.Vdovin, A.N.Nishonov

Investigating the Energies and Electrical Characteristics of the Negative Parity States of the 156Gd Nucleus

NUCLEAR STRUCTURE 156Gd; calculated energy levels, J, π, B(E2), negative parity states using a phenomenological model that allows for Coriolis interaction between the states of rotational bands. Comparison with available data.

doi: 10.3103/S1062873822080251
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2021US01      Bull.Rus.Acad.Sci.Phys. 85, 1102 (2021)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov

Electric Properties of Rotational States of the 156Gd Nucleus

NUCLEAR REACTIONS 156Gd(α, 2n), (n, γ), (n, n'), E not given; analyzed available data; calculated probabilities of in- and inter-band quadrupole electrical transitions are calculated using a phenomenological model that considers Coriolis mixing of the states of rotational bands.

doi: 10.3103/S1062873821100269
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2020DZ01      Phys.Rev. C 101, 025805 (2020)

AlanA.Dzhioev, K.Langanke, G.Martinez-Pinedo, A.I.Vdovin, Ch.Stoyanov

Unblocking of stellar electron capture for neutron-rich N=50 nuclei at finite temperature

NUCLEAR STRUCTURE 78Ni, 82Ge, 86Kr, 88Sr; calculated electron-capture rates on neutron-rich nuclei at conditions of temperatures and densities relevant for collapse supernovae, GT+ strengths, neutron and proton single-particle energies, relative contribution of first forbidden transitions to the electron-capture rates. Thermal quasiparticle random-phase approximation (TQRPA) formalism.

doi: 10.1103/PhysRevC.101.025805
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2020DZ04      Phys.Atomic Nuclei 83, 143 (2020)

A.A.Dzhioev, S.V.Sidorov, A.I.Vdovin, T.Yu.Tretyakova

Tensor Interaction Effects on Stellar Electron Capture and Beta-Decay Rates

doi: 10.1134/S106377882002009X
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2020US02      Bull.Rus.Acad.Sci.Phys. 84, 968 (2020)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov

Analyzing the Magnetic Characteristics of 158, 160Gd States Using a Phenomenological Model

NUCLEAR STRUCTURE 158,160Gd; analyzed available data; calculated structure of excited states and non-adiabatic effects, probabilities of magnetic transitions, wavefunctions using a phenomenological model that includes Coriolis mixing of the states of low-lying positive-parity rotational bands.

doi: 10.3103/S1062873820080298
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2019DZ02      Phys.Rev. C 100, 025801 (2019)

A.A.Dzhioev, A.I.Vdovin, Ch.Stoyanov

Thermal quasiparticle random-phase approximation calculations of stellar electron capture rates with the Skyrme effective interaction

NUCLEAR REACTIONS 56Fe, 78Ni(e, X), E=5-40 MeV; calculated electron capture (EC) rates and σ(E) on nuclei in hot stellar environments, GT strengths vs transition energy, and σ(E) vs temperature. Calculations based on the Donnelly-Walecka multipole expansion method, with the spectral functions calculated using the self-consistent thermal quasiparticle random-phase approximation (TQRPA) with the Skyrme effective interaction: SkM*, SGII, and SLy4. Comparison with shell-model calculations.

doi: 10.1103/PhysRevC.100.025801
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2019KO22      Phys.Rev. C 100, 045802 (2019)

V.N.Kondratyev, AlanA.Dzhioev, A.I.Vdovin, S.Cherubini, M.Baldo

Energy exchange in neutrino nuclear scattering

NUCLEAR REACTIONS 56Fe(ν, ν'), E<20 MeV, T=1-5 MeV; calculated scattering σ(E, T), straggling in energy transfer, and stopping power. Discussed possible effects in neutrino transport and spectra. Relevance to astrophysical phenomena such as core collapse supernovae, neutron star mergers, formation of neutron star crusts, etc.

doi: 10.1103/PhysRevC.100.045802
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2019US02      Phys.Part. and Nucl.Lett. 16, 706 (2019)

P.N.Usmanov, A.I.Vdovin, E.K.Yusupov, U.S.Salikhbaev

Phenomenological Analysis of Characteristics of Rotational Bands in 158, 160Gd Isotopes

doi: 10.1134/s1547477119060530
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2017DZ01      Acta Phys.Pol. B48, 667 (2017)

A.A.Dzhioev, A.I.Vdovin

Neutrino Processes with Hot Nuclei in Supernovae

NUCLEAR STRUCTURE 56Fe, 82Ge; calculated β-decay GT strength functions for nonzero temperature.

NUCLEAR REACTIONS 56Fe, 82Ge(ν, e-), (ν-bar, e+).E=0-30 MeV;calculated σ at different finite temperature and different chemical potentials using TQRPA (Thermo Field Dynamics Formalism) extended self-consistent Skyrme-QRPA with different Skyrme forces. Compared with published results using LSSM (Large-Scale Shell Model).

doi: 10.5506/APhysPolB.48.667
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2016DZ02      Phys.Rev. C 94, 015805 (2016)

A.A.Dzhioev, A.I.Vdovin, G.Martinez-Pinedo, J.Wambach, Ch.Stoyanov

Thermal quasiparticle random-phase approximation with Skyrme interactions and supernova neutral-current neutrino-nucleus reactions

NUCLEAR REACTIONS 56Fe, 82Ge(ν, ν'), E<20 MeV; calculated inelastic neutral-current neutrino scattering σ(E) at supernova conditions, normalized spectra of outgoing neutrinos, normalized spectra of neutrino-antineutrino pairs, energy centroid for the spectrum of emitted neutrinos as a function of temperature. 56Fe, 82Ge; calculated ground-state and total GT0 strength distributions, energy centroid for the upward GT0 strength functions as function of temperature. Thermal quasiparticle random-phase approximation combined with the Skyrme energy density functional method (Skyrme-TQRPA). Comparison with results from hybrid approach of shell-model and RPA calculations.

doi: 10.1103/PhysRevC.94.015805
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2015DZ04      Phys.Rev. C 92, 045804 (2015)

A.A.Dzhioev, A.I.Vdovin, J.Wambach

Neutrino absorption by hot nuclei in supernova environments

NUCLEAR REACTIONS 56Fe, 82Ge(ν, e-), (ν-bar, e+), E<50 MeV; calculated σ(E) for neutrino and antineutrino absorption reactions in supernova environments, strength distribution of allowed Gamow-Teller (GT) transitions using proton-neutron QRPA extended to finite temperatures within the thermofield dynamics (TFD) formalism. Comparison with other theoretical calculations.

doi: 10.1103/PhysRevC.92.045804
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2014DZ01      Phys.Rev. C 89, 035805 (2014)

A.A.Dzhioev, A.I.Vdovin, J.Wambach, V.Yu.Ponomarev

Inelastic neutrino scattering off hot nuclei in supernova environments

NUCLEAR REACTIONS 56Fe, 82Ge(ν, ν'), E<60 MeV; calculated finite temperature σ(E) accounting for allowed and forbidden transitions by thermal QRPA, temperature evolution of Gamow-Teller (GT) strengths. Comparison with hybrid large-scale shell-model and RPA calculations.

doi: 10.1103/PhysRevC.89.035805
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2014US01      Phys.Atomic Nuclei 77, 1343 (2014); Yad.Fiz. 77, 1408 (2014)

P.N.Usmanov, A.A.Solnyshkin, A.I.Vdovin, U.S.Salikhbaev

Properties of octupole-vibrational bands in the 160Dy nucleus

NUCLEAR STRUCTURE 160Dy; analyzed available data; calculated energies, J, π, B(E1); deduced nonadiabatic effects. Comparison with available data.

doi: 10.1134/S1063778814100135
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2010DZ02      Phys.Rev. C 81, 015804 (2010)

A.A.Dzhioev, A.I.Vdovin, V.Yu.Ponomarev, J.Wambach, K.Langanke, G.Martinez-Pinedo

Gamow-Teller strength distributions at finite temperatures and electron capture in stellar environments

NUCLEAR STRUCTURE 54,56Fe, 76,78,80Ge; calculated Gammow-Teller strength distributions, electron capture rates, strength distributions for first forbidden transitions, and occupation numbers in hot nuclei in stellar environments using thermal quasiparticle random-phase approximation (TQRPA) model. Comparison with experimental data and large-scale shell-model (LSSM) calculations.

doi: 10.1103/PhysRevC.81.015804
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2010US01      Phys.Part. and Nucl.Lett. 7, 185 (2010); Pisma Zh.Fiz.Elem.Chast.Atom.Yadra No.3 [159], 306 (2010)

P.N.Usmanov, A.A.Okhunov, U.S.Salikhbaev, A.I.Vdovin

Analysis of Electromagnetic transitions in nuclei 176, 178Hf

NUCLEAR STRUCTURE 176,178Hf; calculated J, π, energy levels, band structure, B(E2), B(M1), E2/M1 ratios. Coriolis mixing.

doi: 10.1134/S1547477110030040
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2010VD01      Physics of Part.and Nuclei 41, 1127 (2010)

A.I.Vdovin, A.A.Dzhioev

Thermal Bogoliubov transformation in nuclear structure theory

doi: 10.1134/S1063779610070336
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2009DZ01      Bull.Rus.Acad.Sci.Phys. 73, 225 (2009); Izv.Akad.Nauk RAS, Ser.Fiz. 73, 236 (2009)

A.A.Dzhioev, A.I.Vdovin, V.Yu.Ponomarev, J.Wambach

Thermal effects on electron capture for neutron-rich nuclei

RADIOACTIVITY 76Ge(EC); calculated electron capture cross sections as a function of electron energy.

doi: 10.3103/S106287380902021X
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2009DZ03      Phys.Atomic Nuclei 72, 1320 (2009); Yad.Fiz. 72, 1373 (2009)

A.A.Dzhioev, A.I.Vdovin, V.Yu.Ponomarev, J.Wambach

Charge-exchange transitions in hot nuclei

NUCLEAR STRUCTURE 80Ge; calculated single-particle wave functions and energies, strength distribution S(E) of allowed pn transitions.

doi: 10.1134/S1063778809080079
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2009DZ04      Int.J.Mod.Phys. E18, 1535 (2009)

A.A.Dzhioev, A.I.Vdovin

On the TFD treatment of collective vibrations in hot nuclei

doi: 10.1142/S0218301309013695
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2009PO06      Nucl.Phys. A824, 24 (2009)

V.Yu.Ponomarev, A.I.Vdovin

Test of a modified BCS theory performance in the Picket Fence Model

NUCLEAR STRUCTURE 120Sn; calculated pairing gap, Fermi level energy and quasiparticle properties vs temperature using a modified BCS theory.

doi: 10.1016/j.nuclphysa.2009.03.001
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2008DZ02      Bull.Rus.Acad.Sci.Phys. 72, 269 (2008); Izv.Akad.Nauk RAS, Ser.Fiz. 72, 294 (2008)

A.A.Dzhioev, A.I.Vdovin, V.Yu.Ponomarev, J.Wambach

Gamow-Teller resonance in hot nuclei and astrophysical applications

NUCLEAR STRUCTURE 56Fe; calculated EC and β- decay rates at stellar temperatures.

doi: 10.3103/S1062873808030015
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2005PO16      Phys.Rev. C 72, 034309 (2005); Comment Phys.Rev. C 74, 059801 (2006); Erratum Phys.Rev. C 74, 069903 (2006)

V.Yu.Ponomarev, A.I.Vdovin

Test of the modified BCS model at finite temperature

NUCLEAR STRUCTURE 76,84Ni, 120Sn; calculated pairing gaps, chemical potential vs temperature; deduced limit of modified BCS model applicability.

doi: 10.1103/PhysRevC.72.034309
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2005VD01      Iader.Fiz.Enerh. 6 no.2, 37 (2005); Nuc.phys.atom.energ. 6, no.2, 37 (2005)

A.I.Vdovin, A.N.Storozhenko

Temperature dependence of giant dipole resonance width

NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR spreading width vs temperature. Quasiparticle-phonon model with thermofield dynamics.

doi: 10.15407/jnpae
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2004ST14      Phys.Rev. C 69, 064320 (2004)

A.N.Storozhenko, A.I.Vdovin, A.Ventura, A.I.Blokhin

Temperature dependence of spreading width of giant dipole resonance

NUCLEAR STRUCTURE 120Sn, 208Pb; calculated GDR spreading width vs temperature. Quasiparticle-phonon model plus thermofield dynamics.

doi: 10.1103/PhysRevC.69.064320
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2004ST25      Yad.Fiz. 67, 1809 (2004); Phys.Atomic Nuclei 67, 1781 (2004)

A.N.Storozhenko, A.I.Vdovin, P.Schuck

Self-Consistent RPA with Multilevel Pairing Model at Finite Temperature

doi: 10.1134/1.1811178
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2003LO04      Nucl.Phys. A720, 60 (2003)

R.J.Lombard, A.I.Vdovin, N.Yu.Shirikova, A.V.Sushkov

On M3-transition rates in selected odd-mass nuclei

NUCLEAR STRUCTURE 159Ho, 175Yb, 179Hf, 179W, 183Pt; calculated transitions B(M3), level configurations. Quasiparticle-phonon model.

doi: 10.1016/S0375-9474(03)00742-5
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2003LO18      Bull.Rus.Acad.Sci.Phys. 67, 118 (2003)

R.Lombard, A.I.Vdovin, N.Yu.Shirikova, A.V.Sushkov

Magnetic octupole transitions in odd nuclei

NUCLEAR STRUCTURE 113Sn, 121Cs, 175Yb, 179Hf, 179W, 183Pt, 207Po; calculated transitions B(M3). Comparison with data.

2003VD01      Yad.Fiz. 66, 1909 (2003); Phys.Atomic Nuclei 66, 1861 (2003)

A.I.Vdovin, A.A.Dzhioev, A.N.Storozhenko

Boson-Fermion Holstein-Primakoff Mapping at Nonzero Temperatures for the Example of the Lipkin Model

doi: 10.1134/1.1619497
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2003VD02      Nucl.Phys. A722, 497c (2003)

A.I.Vdovin, A.N.Storozhenko

Temperature dependence of a spreading width of giant dipole resonance in neutron-rich nuclei

NUCLEAR STRUCTURE 120,132Sn; calculated GDR width vs temperature.

doi: 10.1016/S0375-9474(03)01415-5
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2001VD01      Yad.Fiz. 64, No 6, 1144 (2001); Phys.Atomic Nuclei 64, 1069 (2001)

A.I.Vdovin, A.N.Storozhenko

TFD Extension of a Self-Consistent RPA to Finite Temperatures

doi: 10.1134/1.1383619
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2000VD01      Trans.Bulg.Nucl.Soc. 5, 157 (2000)

A.I.Vdovin, A.N.Storozhenko

Oscillations of Hot Nuclei: Thermo field approach

1999ST04      Yad.Fiz. 62, No 1, 63 (1999); Phys.Atomic Nuclei 62, 58 (1999)

A.N.Storozhenko, D.S.Kosov, A.I.Vdovin

Lipkin-Meshkov-Glick Model at Finite Temperatures

1999ST27      Bull.Rus.Acad.Sci.Phys. 63, 95 (1999)

A.N.Storozhenko, A.I.Vdovin, D.S.Kosov

Schematic Shell Model of the Nucleus at Nonzero Temperature

1999VD01      Eur.Phys.J. A 5, 263 (1999)

A.I.Vdovin, A.N.Storozhenko

Effect of Thermal Ground State Correlations on the Statistical Properties of the Lipkin Model

doi: 10.1007/s100500050285
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1998ST21      Bull.Rus.Acad.Sci.Phys. 62, 58 (1998)

A.N.Storozhenko, A.I.Vdovin

Effect of a Particle-Particle Channel on the Interaction of Single-Particle and Vibrational Excitations in Odd Spherical Nuclei

NUCLEAR STRUCTURE 141Pr, 143Pm, 145Eu; calculated quasiparticle-phonon interaction matrix elements; deduced multipole pairing effects.

1998TS05      Yad.Fiz. 61, No 5, 816 (1998); Phys.Atomic Nuclei 61, 734 (1998)

N.Tsoneva, A.I.Vdovin, Ch.Stoyanov, M.Grinberg

Magnetic Polarization and Two-Phonon States

NUCLEAR STRUCTURE 142Ce, 144Sm; calculated two-phonon states wave functions, B(M2); deduced magnetic core polarization effect.

1997VA24      Bull.Rus.Acad.Sci.Phys. 61, 558 (1997)

J.Van de Wiele, A.I.Vdovin, H.Langevin-Joliot

Root-Mean-Square Radii of Fragmented Hole State in Nuclei

NUCLEAR STRUCTURE 207Pb; calculated fragmented hole states formfactors, radii. Inhomogeneous Schrodinger equation, quasiparticle-phonon model.

1996KO15      Z.Phys. A355, 17 (1996)

D.S.Kosov, A.I.Vdovin

Approximate Number Projection at Finite Temperature

doi: 10.1007/s002180050072
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1996KO39      Bull.Rus.Acad.Sci.Phys. 60, 75 (1996)

D.S.Kosov, A.I.Vdovin

Approximate Projection by the Number of Particles in Heated Nuclei

1995VD01      Yad.Fiz. 58, No 5, 829 (1995); Phys.Atomic Nuclei 58, 766 (1995)

A.I.Vdovin, D.S.Kosov

One-Phonon Excitations in Hot Nuclei

1994VD01      Bull.Rus.Acad.Sci.Phys. 58, 1792 (1994)

A.I.Vdovin, D.S.Kosov

Thermofield Transormation in Quasiparticle-Phonon Model of Nucleus

1992KO08      Z.Phys. A342, 145 (1992)

L.G.Kostova, W.Andrejtscheff, L.K.Kostov, L.Funke, E.Will, A.I.Vdovin

The Half-Life of the 1437 keV (11/2)- State in 97Mo

NUCLEAR REACTIONS 94Zr(α, n), E=16 MeV; measured γ(t), time centroids. 97Mo deduced (11/2)- level T1/2, B(M2). Model comparison.

NUCLEAR STRUCTURE 95,97,99Mo, 99Ru, 101Pd; calculated (11/2)- to (7/2)+ transition B(M2). Quasiparticle phonon model.

doi: 10.1007/BF01288462
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1991SA27      Nucl.Phys. A535, 669 (1991)

R.K.J.Sandor, H.P.Blok, U.Garg, M.N.Harakeh, C.W.de Jager, V.Yu.Ponomarev, A.I.Vdovin, H.de Vries

Interplay between Single-Particle and Collective Degrees of Freedom in the Excitation of the Low-Lying States in 142Nd

NUCLEAR REACTIONS 142Nd(e, e'), E=112-450 MeV; measured spectra; deduced longitudinal form factor of low-lying states. 142Nd levels deduced L, J, π, transition charge densities, B(λ) values. Fourier-Bessel analysis, microscopic quasiparticle-phonon model.

doi: 10.1016/0375-9474(91)90482-L
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1990LO18      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 93 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, 97 (1990)

I.I.Loshchakov, A.V.Golovin, A.I.Vdovin

Sensitivity of t-Matrix Approximation in Quasi-Elastic Reactions to Distortion of the Wave Functions and Nonmass Effects

NUCLEAR REACTIONS 16O(p, p), E=23-50 MeV; calculated σ(θ). 14N(p, 2p), E=46 MeV; 12C(p, 2p), E=50 MeV; calculated σ(θ1, θ2, E1). 12C(p, pd), E=58 MeV; calculated σ(θp, θd); deduced distortion effects role. t-matrix approximation.

1990VD01      Izv.Akad.Nauk SSSR, Ser.Fiz. 54, 1816 (1990); Bull.Acad.Sci.USSR, Phys.Ser. 54, No.9, 149 (1990)

A.I.Vdovin, R.R.Safarov, V.Yu.Ponomarev

Magnetic Moments of Quadrupole States of Nuclei of Even Tin Isotopes

NUCLEAR STRUCTURE 112,114,116,118,120,122,124Sn; calculated 2+ states μ. Quasiparticle-phonon model.

1989NI03      Europhys.Lett. 8, 117 (1989)

R.Nikolaeva, Ch.Stoyanov, A.I.Vdovin

Microscopic Description of Low-Lying Isovector Quadrupole States in 56Fe

NUCLEAR STRUCTURE 56Fe; calculated levels, B(λ), δ(E2/M1). Quasiparticle model.

doi: 10.1209/0295-5075/8/2/002
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1989SA48      Phys.Lett. 233B, 54 (1989)

R.K.J.Sandor, H.P.Blok, U.Garg, M.N.Harakeh, C.W.de Jager, V.Yu.Ponomarev, A.I.Vdovin, H.de Vries

Interplay between Single-Particle and Collective Degrees of Freedom in the Excitation of the Low-Lying Quadrupole State in 142Nd

NUCLEAR REACTIONS 142Nd(e, e'), E ≈ 112-450 MeV; measured form factors. 142Nd levels deduced transition charge densities, B(λ).

doi: 10.1016/0370-2693(89)90614-X
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1988GA32      Phys.Rep. 166, 125 (1988)

S.Gales, Ch.Stoyanov, A.I.Vdovin

Damping of High-Lying Single-Particle Modes in Heavy Nuclei

doi: 10.1016/0370-1573(88)90066-X
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1988SA42      Izv.Akad.Nauk SSSR, Ser.Fiz. 52, 2146 (1988); Bull.Acad.Sci.USSR, Phys.Ser. 52, No.11, 66 (1988)

R.R.Safarov, A.I.Vdovin, E.M.Galinsky

Pauli Principle and the Magnetic Moments of Odd Spherical Nuclei

NUCLEAR STRUCTURE 117,121Sn, 117,121Sb, 89,91Y; calculated low lying levels μ components; deduced Pauli principle role. Quasiparticle-phonon model.

1987PO02      Phys.Lett. 183B, 237 (1987)

V.Yu.Ponomarev, V.G.Soloviev, A.I.Vdovin, Ch.Stoyanov

The Role of ' Quasiparticle x Phonon ' Components in Gamma-Decay of High-Lying States

NUCLEAR STRUCTURE 111Sn; calculated transition intensities, B(M1). Microscopic approach.

NUCLEAR REACTIONS 112Sn(3He, αγ), E=3-6 MeV; calculated (θα, θγ). Microscopic approach.

doi: 10.1016/0370-2693(87)90955-5
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1987VD01      Yad.Fiz. 45, 67 (1987)

A.I.Vdovin, I.N.Loshchakov

Reactions (p, 2p) and (p, pn) on Nuclei 6Li and 7Li Induced by Protons of Intermediate Energies

NUCLEAR REACTIONS 6,7Li(p, p'), (p, 2p), (p, pn), E=46, 47, 49, 70, 100 MeV; calculated σ(θ), σ(E1, θ1, θ2). Shell model, t-matrix, impulse approximations.

1987VD02      Yad.Fiz. 45, 388 (1987)

A.I.Vdovin, F.A.Gareev, S.N.Ershov, V.Yu.Ponomarev

Nuclear Structure Effect on the M1 Quenching Factor in (p, p') Reaction

NUCLEAR REACTIONS 90,92,94,96Zr(p, p'), E=200 MeV; calculated σ(θ), σ(Ep'). 90,92,94,96Zr deduced M1 transition strength quenching factor characteristics. Distorted wave approximation.

1987VD03      Yad.Fiz. 45, 1595 (1987)

A.I.Vdovin, A.V.Golovin, I.I.Loshchakov

Study of (p, pd) Reaction on 14N with Moderate-Energy Protons

NUCLEAR REACTIONS 14N(p, pd), E=44, 46 MeV; calculated σ(Ep, θp, θd), σ(Ep), σ(Ed), σ(θp), σ(θd). Distorted wave effective t-matrix approximation.

1986BO08      Yad.Fiz. 43, 273 (1986)

N.F.Boykova, A.I.Vdovin, I.G.Golikov, I.I.Loshchakov

Analysis of the Reaction 16O(p, 2p)15N at 50-MeV Energy of Protons

NUCLEAR REACTIONS 16O(p, 2p), E=50 MeV; measured σ(θ1, θ2, E1); deduced reaction mechanism. 15N deduced E1, E2 giant resonance transition virtual excitation.

1986LE15      Yad.Fiz. 43, 1416 (1986)

A.I.Levon, S.N.Fedotkin, A.I.Vdovin

Magnetic Moments of Odd Spherical Nuclei

NUCLEAR STRUCTURE 111,113,115,117,119Sn, 107,109,111,113,115Cd, 123,125,127,131Te, 129,131,133Xe, 115,117Sb, 139La, 141Pr, 143Pm, 145Eu, 89,91Y, 93Nb, 99Tc, 195,197,199,201,205Tl; calculated g. Quasiparticle-phonon model.

1986OS08      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 916 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.5, 83 (1986)

V.I.Ostroumov, I.I.Loshchakov, A.I.Vdovin

Intermediate Energy Proton Knock-Out of Nucleons and Clusters

NUCLEAR REACTIONS 12C, 14N, 16O(p, 2p), E=46, 47, 50 MeV; calculated σ(E1, θ1, θ2). T-matrix approximation.

1986VD01      Yad.Fiz. 43, 1443 (1986)

A.I.Vdovin, A.V.Golovin, I.I.Loshchakov

Description of Two-Stage Processes in Nucleon and Cluster Knock-Out Reactions Induced by Proton of Intermediate Energies basing upon the Effective t-Matrix Formalism

NUCLEAR REACTIONS 12C(p, p), (p, p'), E=49.48 MeV; calculated σ(θ). 12C(p, pα), E=57.8 MeV; calculated σ(θp, θα, Ep). T-matrix formalism, nucleon, cluster knockout.

1986VD02      Yad.Fiz. 44, 379 (1986)

A.I.Vdovin, F.A.Gareev, S.N.Ershov, M.Mora, V.Yu.Ponomarev

Excitation of 0- States in Inelastic Proton Scattering at Intermediiate Energies

NUCLEAR STRUCTURE 90Zr; calculated transition densities. RPA.

NUCLEAR REACTIONS 90Zr(p, p'), E=200 MeV; calculated σ(θ); deduced tensor interaction role. 90Zr deduced isovector 0- resonance excitation possibility. Distorted wave approximation, separable spin dipole interaction, RPA transition densities.

1986VD03      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 1921 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.10, 48 (1986)

A.I.Vdovin, M.A.Dolgopolov, I.V.Kopytin

Quasiparticle-Phonon Interaction and l-Forbidden Gamow-Teller β-Transition

RADIOACTIVITY 65Ni, 65Zn, 65Ga, 67Cu, 69Ge; calculated comparative T1/2.

1986VD04      Izv.Akad.Nauk SSSR, Ser.Fiz. 50, 936 (1986); Bull.Acad.Sci.USSR, Phys.Ser. 50, No.5, 103 (1986)

A.I.Vdovin, I.G.Golikov, A.V.Golovin, M.N.Zhukov, I.I.Loshchakov

An Investigation of α-Particle Split of 16O under the Effect of Protons

NUCLEAR REACTIONS 16O(p, pα), (p, 5Li), (p, 8Be), (p, 12C), E=50 MeV; measured σ(Ep), σ(θ(12C)), σ(E(5Li)), σ(E(8Be)), σ(E(12C)), σ(θα), σ(Eα); deduced (p, p4α) reaction mechanism. Photoemulsion method. Theoretical analyses.

1985PA03      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 53 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.1, 55 (1985)

M.V.Pasechnik, L.S.Saltykov, E.P.Kadkin, I.I.Loshchakov, A.I.Vdovin

The (p, pN) Reaction on Lithium Isotopes at Less than 100 MeV Proton Enery

NUCLEAR REACTIONS 6Li(p, 2p), E=50, 70 MeV; 7Li(p, 2p), E=70 MeV; 6Li(p, np), E=46 MeV; measured σ(θ1, θ2, E1), σ(θp, θn, Ep); deduced two-step process σ contribution. T-matrix, distorted waves, quasifree scattering. Symmetric geometry.

1985PA04      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 58 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.1, 61 (1985)

M.V.Pasechnik, L.S.Saltykov, E.P.Kadkin, I.I.Loshchakov, A.I.Vdovin

Energy Spectra and Angular Correlation Function of Charged Particles in the Reactions 6Li(p, pd)4He and 7Li(p, pt)4He at 70 MeV Incident Proton Energy

NUCLEAR REACTIONS 6Li(p, pd), 7Li(p, pt), E=70 MeV; measured σ(θ1, θ2, Ep); deduced two-step process σ. T-matrix, distorted waves, quasifree scattering. Symmetric geometry.

1985VD01      Nucl.Phys. A440, 437 (1985)

A.I.Vdovin, Ch.Stoyanov, W.Andrejtscheff

Core Polarization for M2 Transitions in Odd-A Tin Isotopes

NUCLEAR STRUCTURE 109,111,113,115,117,119,121Sn; calculated B(M2). Quasiparticle-phonon model.

doi: 10.1016/0375-9474(85)90239-8
Citations: PlumX Metrics

1985VD02      Yad.Fiz. 41, 1134 (1985)

A.I.Vdovin, Ch.Stoyanov

Damping of Highly-Excited Single-Particle States in Odd-A Nuclei Near 90Zr

NUCLEAR STRUCTURE 89Y, 89Zr; calculated high-lying p, n single particle state strength distributions. Quasiparticle-phonon model.

1985VD03      Yad.Fiz. 42, 134 (1985)

A.I.Vdovin, A.V.Golovin, I.I.Loshchakov

The t-Matrix Approximation for Analysis of Quasi-Elastic Cluster Knock-Out Reactions Induced by Protons of Intermediate Energies

NUCLEAR REACTIONS 16O(p, pα), E=46.8 MeV; 9Be(p, pα), E=46.8, 55.3 MeV; calculated σ(Ep, θp, θα); deduced virtual core excitation role. Nonlocal t-matrix approach.

1985VD04      Izv.Akad.Nauk SSSR, Ser.Fiz. 49, 2173 (1985); Bull.Acad.Sci.USSR, Phys.Ser. 49, No.11, 83 (1985)

A.I.Vdovin, O.O.Rodriges, W.Andrejtscheff, Ch.Stoyanov

M2-Transitions between Low-Lying States in Odd-Odd Nuclei and Magnetic Core Polarization

NUCLEAR STRUCTURE 139,141Pr, 141,143,145Pm, 143,147,149Eu, 113,115,117,119,121Sb, 109,111,113,115,117,119,121Sn, 209Pb; calculated B(M2). Quasiparticle-phonon model.

1984NG01      J.Phys.(London) G10, 517 (1984)

Nguyen Dinh Thao, V.G.Soloviev, Ch.Stoyanov, A.I.Vdovin

Fragmentation of the 1f Neutron-Hole Strength in 89Zr and 91Mo

NUCLEAR STRUCTURE 89Zr, 91Mo; calculated 1f7/2, 1f5/2 neutron-hole state fragmentation. Quasiparticle-phonon model.

doi: 10.1088/0305-4616/10/4/012
Citations: PlumX Metrics

1984PO16      Phys.Scr. 30, 238 (1984)

V.Yu.Ponomarev, A.I.Vdovin, V.M.Shilov, Nguyen Dinh Dang

Transversal E1-Resonance in Spherical Nuclei

NUCLEAR STRUCTURE 58Ni; calculated spin-flip dipole state charge, current densities.

NUCLEAR REACTIONS 58Ni(e, e'), E=40, 60, 80 MeV; calculated σ(θ) for isovector dipole, spin dipole state excitation. RPA.

doi: 10.1088/0031-8949/30/4/004
Citations: PlumX Metrics

1984VD01      Yad.Fiz. 39, 532 (1984); Sov.J.Nucl.Phys. 39, 336 (1984)

A.I.Vdovin, I.G.Golikov, I.I.Loshchakov

Reaction 12C(p, 2p)11B at the Proton Energy of 50 MeV

NUCLEAR REACTIONS 12C(p, 2p), E=50 MeV; measured σ(θp1), σ(θ(11B)), σ(Ep1), σ(E(11B)) vs momentum; deduced reaction mechanism, residual level production σ. Nonlocal, realistic t-matrix, quasielastic knockout, two-stage processes.

1984VD02      Yad.Fiz. 39, 1321 (1984)

A.I.Vdovin, I.G.Golikov, I.I.Loshchakov

14N(p, 2p)13C-Reaction near 50 MeV Energy

NUCLEAR REACTIONS, ICPND 14N(p, 2p), E=50 MeV; calculated σ(Ep1, Ep2), proton momentum spectra; deduced residual level production σ. Quasielastic, two-step processes.

1983ST14      Phys.Lett. 130B, 134 (1983)

Ch.Stoyanov, A.I.Vdovin

High-Lying Single-Proton States in Spherical Nuclei

NUCLEAR STRUCTURE 145Eu, 209Bi; calculated high-lying single proton state fragmentation, strength function, proton stripping (α, t) reaction C2S. Quasiparticle-phonon model.

doi: 10.1016/0370-2693(83)91027-4
Citations: PlumX Metrics

1983VD01      Yad.Fiz. 37, 43 (1983)

A.I.Vdovin, Nguyen Din Tkhao, V.G.Soloviev, Ch.Stoyanov

Fragmentation of Neutron Hole States in 111,115Sn

NUCLEAR STRUCTURE 111,115Sn; calculated neutron hole state fragmentation, C2S. Quasiparticle-phonon model.

1983VD02      Fiz.Elem.Chastits At.Yadra 14, 237 (1983); Sov.J.Part.Nucl. 14, 99 (1983)

A.I.Vdovin, V.G.Soloviev

Quasiparticle-Phonon Model of the Nucleus. III. Single-Phonon States in Spherical Nuclei

NUCLEAR STRUCTURE A=66-150; calculated B(E2). Isoscalar, isovector multipole-multipole interactions. 140Ce; calculated isoscalar, isovector B(E3), charge, neutron transition densities, B(M2). 208Pb; calculated B(E1), current, charge transition densities. 58Ni; calculated charge, current transition densities. 90Zr; calculated B(M2), B(E1), current transition densities. 124Te; calculated B(M2), B(E2). Quasiparticle-phonon model.

1983VD03      Izv.Akad.Nauk SSSR, Ser.Fiz. 47, 2219 (1983)

A.I.Vdovin, E.P.Kadkin, I.I.Loshchakov, M.V.Pasechnik, L.S.Saltykov

Study and Analysis of Angular Correlations in the (p, 2p) Reaction on 6Li for E(p) = 47-70 MeV

NUCLEAR REACTIONS 6Li(p, 2p), E=47-70 MeV; measured σ(θ1, θ2) vs relative, summed proton energies. Distorted waves, t-matrix.

1982DE26      Izv.Akad.Nauk SSSR, Ser.Fiz. 46, 860 (1982)

V.A.Deryuga, T.I.Kratsikova, M.Finger, Ya.Dupak, A.I.Vdovin, W.D.Hamilton

Study of the Decay of Oriented 145Eu Nuclei

RADIOACTIVITY 145Eu(EC), (β+); measured γ(θ), oriented nuclei in Fe. 145Sm levels deduced J, π, δ(E2/M1), δ(M2/E1). Ge(Li) detectors, 3He-4He dilution refrigerator. Quasiparticle plus phonon calculations.

1982PO02      J.Phys.(London) G8, L77 (1982)

V.Y.Ponomarev, Ch.Stoyanov, A.I.Vdovin

Magnetic Dipole and Quadrupole States of 58Ni

NUCLEAR REACTIONS 58Ni(e, e'), E=40, 50, 60, 75 MeV; calculated σ(θ), strength functions. Quasiparticle-phonon model.

doi: 10.1088/0305-4616/8/6/005
Citations: PlumX Metrics

1982PO09      Z.Phys. A308, 157 (1982)

V.Yu.Ponomarev, Ch.Stoyanov, A.I.Vdovin

High-Lying M1-States of Spherical Nuclei

NUCLEAR REACTIONS 208Pb(e, e'), E=60 MeV; calculated σ(θ), strength functions. 208Pb deduced noncollective 1+ states, possible M1 resonance characteristics. DWBA analysis, RPA, quasiparticle-phonon model.

doi: 10.1007/BF01413006
Citations: PlumX Metrics

1982RE02      J.Phys.(London) G8, 257 (1982)

R.Reif, B.Weissbach, E.Betak, Ch.Stoyanov, A.I.Vdovin

Direct Inelastic Proton Scattering from Odd-A Nuclei within the Semimicroscopic Quasiparticle-Phonon Model

NUCLEAR REACTIONS 88Sr(p, p'), E=20.2 MeV; 89Y(p, p'), E=24.5 MeV; calculated σ(θ). 88Sr, 89Y levels deduced configuration. Semi-microscopic, quasiparticle-phonon model, DWBA, CCBA analyses.

doi: 10.1088/0305-4616/8/2/012
Citations: PlumX Metrics

1981PI08      Yad.Fiz. 33, 885 (1981)

W.Pilz, D.Schmidt, D.Seeliger, A.I.Vdovin

Study of the 109Ag(p, n)109Cd Reaction in the Energy Range Ep = 4.5-9 MeV

NUCLEAR REACTIONS 109Ag(p, n), E=4.5-9 MeV; measured σ(θ); deduced reaction mechanism. Semi-microscopic model.

1981VD01      Yad.Fiz. 34, 1009 (1981)

A.I.Vdovin, V.Yu.Ponomarev, V.M.Shilov

Electroexcitation of M1 and M2 Resonances in Spherical Nuclei

NUCLEAR REACTIONS 58Ni, 90Zr, 208Pb, 140Ce(e, e'), E=40 MeV; calculated σ(θ), form factors. DWBA, quasiparticle-phonon model current transition densities.

NUCLEAR STRUCTURE 58Ni, 90Zr, 208Pb, 140Ce; calculated 1+, 2- level current transition densities. Quasiparticle-phonon model.

1980PO08      Phys.Lett. B97, 4 (1980)

V.Yu.Ponomarev, V.M.Shilov, A.I.Vdovin, V.V.Voronov

On the M1 and M2 Strengths in 140Ce

NUCLEAR REACTIONS 140Ce(e, e'), E=20-140; calculated σ(θ). 140Ce deduced M1, M2 transition strengths.

doi: 10.1016/0370-2693(80)90533-X
Citations: PlumX Metrics

1980SO04      Nucl.Phys. A342, 261 (1980)

V.G.Soloviev, C.Stoyanov, A.I.Vdovin

The Description of the Fragmentation of One-Quasiparticle States in Spherical Nuclei

NUCLEAR STRUCTURE 57Ni, 115,117,119Sn, 123Te, 143Pm; calculated fragmentation of hole states. Quasiparticle-phonon model.

doi: 10.1016/0375-9474(80)90254-7
Citations: PlumX Metrics

1979PO11      Nucl.Phys. A323, 446 (1979)

V.Y.Ponomarev, V.G.Soloviev, C.Stoyanov, A.I.Vdovin

Magnetic Quadrupole Resonance in Spherical Nuclei

NUCLEAR STRUCTURE 58Ni, 90Zr, 208Pb; calculated M2 strength distribution. Quasiparticle phonon nuclear model.

doi: 10.1016/0375-9474(79)90119-2
Citations: PlumX Metrics

1979VD01      Yad.Fiz. 30, 923 (1979); Sov.J.Nucl.Phys. 30, 479 (1979)

A.I.Vdovin, V.V.Voronov, V.Y.Ponomarev, C.Stoyanov

Effect of a Two-Phonon Admixture on the M1 Resonance in Spherical Nuclei

NUCLEAR STRUCTURE 58,60Ni, 90Zr, 118,120Sn, 124,126Te, 138Ba, 140Ce; calculated M1 strength functions. Quasiparticle-phonon model, separable-multipole, spin-multipole surfaces.

1979VD02      Izv.Akad.Nauk SSSR, Ser.Fiz. 43, 148 (1979); Bull.Acad.Sci.USSR, Phys.Ser. 43, No.1, 124 (1979)

A.I.Vdovin, I.G.Golikov, M.N.Zhukov, I.I.Loshchakov, V.I.Ostroumov

Cross Sections of Reactions Due to the Action of Protons Having an Energy of 50 MeV on 12C, 14N, 16O Nuclei

NUCLEAR REACTIONS 12C, 14N, 16O(p, X), E=50 MeV; measured σ(inclusive).

Data from this article have been entered in the EXFOR database. For more information, access X4 datasetA0050.

1979VD03      Izv.Akad.Nauk SSSR, Ser.Fiz. 43, 999 (1979); Bull.Acad.Sci.USSR, Phys.Ser. 43, No.5, 87 (1979)

A.I.Vdovin, Ch.Stoyanov, Chan Zui Khyung

Fragmentation of the Deep-Lying Hole States of Isotopic Nuclei of Tin

NUCLEAR STRUCTURE 111,115,119,121Sn; calculated fragmentation of 1g9/2, 2p3/2, 2p1/2 states. Quasi-particle, phonon models.

1979VD04      Izv.Akad.Nauk SSSR, Ser.Fiz. 43, 2018 (1979); Bull.Acad.Sci.USSR, Phys.Ser. 43, No.10, 1 (1979)


Resonance and Resonance-Like Structures in Spherical Nuclei

NUCLEAR STRUCTURE 58Ni, 90Zr, 111,115,119,121Sn; calculated E3, M1, M2 one quasiparticle strength function. Quasiparticle-phonon model, finite fermi system.

1978AK02      Yad.Fiz. 28, 883 (1978); Sov.J.Nucl.Phys. 28, 453 (1978)

S.V.Akulinichev, G.N.Afanasev, A.I.Vdovin, C.Stoyanov, V.M.Shilov

Study of Giant Resonances in Nuclei with the Aid of Proton and Electron Scattering

NUCLEAR STRUCTURE 90Zr; calculated resonances. One-phonon approximation, level fragmentation.

1977ER05      Nucl.Phys. A290, 397 (1977)

R.A.Eramzhyan, S.I.Fedotov, V.P.Shpakov, C.Stoyanov, A.I.Vdovin

Excitation of Collective States in Spherical Nuclei in High-Energy Proton Interactions

NUCLEAR REACTIONS 58Ni, 90Zr, 120Sn(p, p), E ≈ 1 GeV; calculated σ(θ). 58Ni, 90Zr, 120Sn; calculated collective excitation, B(λ).

doi: 10.1016/0375-9474(77)90444-4
Citations: PlumX Metrics

1977SO09      Nucl.Phys. A288, 376 (1977)

V.G.Soloviev, C.Stoyanov, A.I.Vdovin

Fragmentation of Giant Multipole Resonances over Two-Phonon States in Spherical Nuclei

NUCLEAR STRUCTURE 90Zr, 120Sn, 124Te; calculated GDR, GQR, fragmentation of one-phonon states over two-phonon states, strength functions.

doi: 10.1016/0375-9474(77)90338-4
Citations: PlumX Metrics

1976DA05      J.Phys.(London) G2, 25 (1976)

D.Dambasuren, V.G.Soloviev, C.Stoyanov, A.I.Vdovin

Semi-Microscopic Calculation of the Neutron Strength Functions of Spherical Nuclei

NUCLEAR STRUCTURE 117,119,121,123Sn, 125,127,129,131Te; calculated neutron strength functions. Superfluid nuclear model.

doi: 10.1088/0305-4616/2/1/004
Citations: PlumX Metrics

1976TE02      Yad.Fiz. 24, 31 (1976); Sov.J.Nucl.Phys. 24, 16 (1977)

V.B.Telitsyn, C.Stoyanov, A.I.Vdovin

Spin-Orbit Vibrations of Spherical Nuclei

NUCLEAR STRUCTURE 94,96,98Mo, 92,94,96Zr; calculated E0 transition probabilities, S for (t, p), (p, t) reactions.

1976VD01      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2183 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.10, 134 (1976)

A.I.Vdovin, D.Dambasuren, V.G.Solovev, C.Stoyanov

The Effect of Residual Interaction in a Particle-Particle Channel on the Properties of Low-Lying States of Spherical Nuclei

NUCLEAR STRUCTURE 124,126,128,130Te, 110,112,114,116Cd; calculated B(E2).

1976VD02      Izv.Akad.Nauk SSSR, Ser.Fiz. 40, 2183 (1976); Bull.Acad.Sci.USSR, Phys.Ser. 40, No.10, 134 (1976)

A.I.Vdovin, D.Dambasuren, V.G.Solovev, C.Stoyanov

The Effect of Residual Interaction in a Particle-Particle Channel on the Properties of Low-Lying States of Spherical Nuclei

NUCLEAR STRUCTURE 124,126,128,130Te, 110,112,114,116Cd; calculated B(E2).

1975VD01      Izv.Akad.Nauk SSSR, Ser.Fiz. 39, 1618 (1975); Bull.Acad.Sci.USSR, Phys.Ser. 39, No.8, 43 (1975)

A.I.Vdovin, C.Stoyanov

Mixing of Vigrational and Two-Quasiparticle Excitations of Even-Even Nuclei with Z = 50 and N = 82

NUCLEAR STRUCTURE 112,114,116,118,120,122,124Sn, 140Ce, 144Sm, 142Nd, 138Ba, 136Xe, 148Nd; calculated wavefunctions. 118,120,122,124Sn, 136Xe, 138Ba, 140Ce; calculated B(E2).

1974SO04      Nucl.Phys. A224, 411 (1974)

V.G.Soloviev, C.Stoyanov, A.I.Vdovin

Semi-Microscopic Calculation of the Level Density in Spherical Nuclei

NUCLEAR STRUCTURE 50,51Ti, 53,54,55Cr, 55,57,58Fe, 59,61,62,63,65Ni, 65,67,68,69Zn, 71,73,74,75,77Ge, 75,77,78,79,81,83Se, 85,87,88,89Sr, 91,92,93,95,97Zr, 96,97,98,99,101Mo, 100,102Ru, 106Pd, 112,113,114Cd, 113,115,116,117,118,119,120,121,123,125Sn, 123,124,126,129,131Te, 132,136Xe, 131,135,136,137,138,139Ba, 137,139,141,143Ce, 143,144,145,146,147,149Nd, 145,148,149Sm, 195,196,197,199Pt, 199,200,201,202,203Hg, 205,207Pb; calculated density of states.

doi: 10.1016/0375-9474(74)90696-4
Citations: PlumX Metrics

1974VD01      Yad.Fiz. 19, 516 (1974); Sov.J.Nucl.Phys. 19, 260 (1974)

A.I.Vdovin, V.V.Voronov, L.A.Malov, V.G.Solovev, C.Stoyanov

Mass Number Dependence of the Density of 1/2+ States in the Vicinity of the Neutron Binding Energy

NUCLEAR STRUCTURE 139Ba, 141,143Ce, 143,145,147,149Nd, 145,149,153Sm, 157,159Gd, 163,165Dy, 167,169Er, 173,175,177Yb, 179Hf, 185W, 199,201,203Hg, 205Pb calculated level density.

1974VD02      Izv.Akad.Nauk SSSR, Ser.Fiz. 38, 2598 (1974); Bull.Acad.Sci.USSR, Phys.Ser. 38, No.12, 119 (1974)

A.I.Vdovin, C.Stoyanov

Mixing of Vibrational and Two-Quasiparticle Excitations of Isotones with N = 80, 82, and 84

NUCLEAR STRUCTURE 134Te, 134,136Xe, 136,138Ba, 138,140,142Ce, 140,142,144Nd, 144,146Sm; calculated levels, B(E2), B(E3), quadrupole moment.

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