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NSR database version of May 24, 2024.

Search: Author = N.N.Arsenyev

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2024BA02      Phys.Rev. C 109, 014325 (2024)

A.Bahini, P.von Neumann-Cosel, J.Carter, I.T.Usman, N.N.Arsenyev, A.P.Severyukhin, E.Litvinova, R.W.Fearick, R.Neveling, P.Adsley, N.Botha, J.W.Brummer, L.M.Donaldson, S.Jongile, T.C.Khumalo, M.B.Latif, K.C.W.Li, P.Z.Mabika, P.T.Molema, C.S.Moodley, S.D.Olorunfunmi, P.Papka, L.Pellegri, B.Rebeiro, E.Sideras-Haddad, F.D.Smit, S.Triambak, M.Wiedeking, J.J.van Zyl

Fine structure of the isoscalar giant monopole resonance in 58Ni, 90Zr, 120Sn, and 208Pb

doi: 10.1103/PhysRevC.109.014325
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2023AR14      Phys.Atomic Nuclei 86, 465 (2023)

N.N.Arsenyev, A.P.Severyukhin

Isoscalar Giant Monopole Resonance in Ca Isotopes

NUCLEAR STRUCTURE 40,42,44,46,48Ca; analyzed available data; deduced the gross structure of the isoscalar giant monopole resonance (ISGMR) is caused by the complex configurations.

doi: 10.1134/S106377882304004X
Citations: PlumX Metrics


2022AR11      Phys.Atomic Nuclei 85, 912 (2022)

N.N.Arsenyev, A.P.Severyukhin

Microscopic Description of Isoscalar Giant Monopole Resonance in 48Ca

NUCLEAR STRUCTURE 48Ca; analyzed available data; deduced the properties of the isoscalar giant monopole resonance (ISGMR) in the framework of a microscopic model based on Skyrme-type interactions.

doi: 10.1134/S1063778823010040
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2022SE13      Phys.Atomic Nuclei 85, 919 (2022)

A.P.Severyukhin, N.N.Arsenyev

On the Double γ-Decay Width of the Quadrupole State: The Case of 132Sn

NUCLEAR STRUCTURE 132Sn; analyzed available data; deduced the mixing of the simple and complex configurations of the giant dipole resonance for describing the double γ-decay width of the 2+1 state, branching ratio of the competitive γγ-decay relative to its single γ-decay using the model based on the Skyrme energy density functional, the large configuration space.

doi: 10.1134/S1063778823010519
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2022SO21      Phys.Part. and Nucl.Lett. 19, 473 (2022)

N.E.Solonovich, N.N.Arsenyev, A.P.Severyukhin

The Dipole Polarizability of the Doubly Magic Nuclei

NUCLEAR STRUCTURE 48Ca, 68Ni, 208Pb; calculated product of dipole polarizability times the symmetry energy at saturation density J as a function of the neutron skin thickness, correlations between the electric dipole polarizability, the symmetry energy, and neutron skin thickness using the random phase approximation model based on the Skyrme nuclear energy density functional. Comparison with experimental data.

doi: 10.1134/S1547477122050387
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2021AR14      Universe 7, 145 (2021)

N.N.Arsenyev, A.P.Severyukhin

Origin of Low- and High-Energy Monopole Collectivity in 132Sn

doi: 10.3390/universe7050145
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2021SE16      Phys.Rev. C 104, 024310 (2021)

A.P.Severyukhin, N.N.Arsenyev, N.Pietralla

First calculation of the γγ-decay width of a nuclear 2+1 state: The case of 48Ca

NUCLEAR REACTIONS 48Ca(p, p'γ), E=10-25 MeV; calculated phonon-phonon coupling effect on the B(E1) strength distribution of GDR, γγ-decay width of the first 2+ state. 48Ca; deduced branching ratio I(γγ decay)/Iγ decay from the first 2+ state. Microscopic model based on the Skyrme energy density functional, with coupling of one-, two-, and three-phonon terms in the wave functions of excited states.

doi: 10.1103/PhysRevC.104.024310
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2021SE22      Phys.Rev. C 104, 044327 (2021)

A.P.Severyukhin, S.Aberg, N.N.Arsenyev, R.G.Nazmitdinov

Hybrid model for the damped transient response of giant dipole resonances

NUCLEAR STRUCTURE 206Hg, 206Pb, 210Po; calculated dipole-strength distributions built on the one-phonon strength distribution folded with the energy-dependent Lorentzian, the microscopic phonon-phonon coupling (PPC) approach, and the random coupling matrix elements between the one- and two-phonon configurations (doorway model), centroid energies and the spreading widths Γ of giant-dipole resonance (GDR) in 9.5-18.5 MeV range using quasiparticle random phase approximation (QRPA) based on Skyrme mean field interactions, PPC, and random distribution of coupling matrix elements, and a hybrid model, cumulative level densities of one-phonon and two-phonon states using QRPA and modified Fermi gas model with uniformly spaced states, energy-dependent energy shift for 210Po. 206Hg, 210Po; empirical systematics of the centroid energies and widths of dipole-strength distributions.

doi: 10.1103/PhysRevC.104.044327
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2021TE02      Eur.Phys.J. A 57, 59 (2021)

D.A.Testov, A.P.Severyukhin, B.Roussiere, N.Arsenyev, F.Ibrahim, M.Lebois, I.Matea, Yu.Penionzhkevich, V.Smirnov, E.Sokol, I.Stefan, D.Susuki, D.Verney, J.Wilson

Study of 123Ag β-decay at ALTO

RADIOACTIVITY 123Ag(β-), (β-n) [from U(γ, F), E<50 MeV]; measured decay products, Eγ, Iγ, En, In; deduced γ-ray energies and intensities, T1/2, β-delayed neutron emission branching.

doi: 10.1140/epja/s10050-021-00368-0
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2020SE05      Phys.Rev. C 101, 054309 (2020)

A.P.Severyukhin, N.N.Arsenyev, I.N.Borzov, E.O.Sushenok, D.Testov, D.Verney

Two-phonon structure of low-energy 1+ excitations of 130In

RADIOACTIVITY 130Cd(β-); calculated β-transition rates to 1+ states in 130In using quasiparticle random-phase approximation (QRPA). Comparison with experimental data.

NUCLEAR STRUCTURE 130In; calculated level energies and dominant components of phonon structures of 1+ states, logft values from the decay of 130Cd, B(E1), B(E2), partial widths. 126,128,130In, 126,128,130Cd; calculated B(E2) for low-lying E2 transitions; deduced correlation between the low-lying E2 transition strengths of the parent and daughter isobaric companions. Quasiparticle random-phase approximation (QRPA) including coupling between one- and two phonon terms.

doi: 10.1103/PhysRevC.101.054309
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2020SE15      Phys.Atomic Nuclei 83, 171 (2020)

A.P.Severyukhin, N.N.Arsenyev, I.N.Borzov, R.G.Nazmitdinov, S.Aberg

On Statistical Properties of the Gamow-Teller Strength Distribution in 60Ca

doi: 10.1134/S106377882002026X
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2019AR11      Physics of Part.and Nuclei 50, 528 (2019)

N.N.Arsenyev, A.P.Severyukhin, V.V.Voronov, N.Van Giai

Low-Energy E1 Strength Distributions of 68Ni

doi: 10.1134/s1063779619050034
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2019GR06      J.Phys.(London) G46, 075101 (2019)

E.T.Gregor, N.N.Arsenyev, M.Scheck, T.M.Shneidman, M.Thurauf, C.Bernards, A.Blanc, R.Chapman, F.Drouet, A.A.Dzhioev, G.de France, M.Jentschel, J.Jolie, J.M.Keatings, T.Kroll, U.Koster, R.Leguillon, K.R.Mashtakov, P.Mutti, D.O'Donnell, C.M.Petrache, G.S.Simpson, J.Sinclair, J.F.Smith, T.Soldner, P.Spagnoletti, A.V.Sushkov, W.Urban, A.Vancraeyenest, J.R.Vanhoy, V.Werner, K.O.Zell, M.Zielinska

Decay properties of the 3-1 level in 96Mo

NUCLEAR REACTIONS 95Mo(n, 2γ), E cold; measured reaction products, Eγ, Iγ, γ-γ-coin.; deduced γ-ray energies and intensities, B(Eλ). Comparison with QRPA results.

NUCLEAR STRUCTURE 92,94,96,98Mo; calculated energy levels, B(Eλ) using QRPA approach.

doi: 10.1088/1361-6471/ab0b5e
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2019SU13      Phys.Atomic Nuclei 82, 120 (2019)

E.O.Sushenok, A.P.Severyukhin, N.N.Arsenyev, I.N.Borzov

Effect of Dynamical Pairing of the Beta-Decay Properties of Neutron-Rich Nuclei

doi: 10.1134/S1063778819010174
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2019SU27      Acta Phys.Pol. B50, 261 (2019)

E.O.Sushenok, A.P.Severyukhin, N.N.Arsenyev, I.N.Borzov

Effects of Tensor Interaction and Neutron-Proton Pairing on Beta-decay Characteristics of 130, 132Cd

RADIOACTIVITY 130,132Cd(β-), (β-n), (β-2n); calculated β-decay half-lives, β-delayed neutron emission probabilities P1n and P2n, impact of neutron-proton pairing on β-decay half-life and emission probabilities. Skyrme mean-field calculations with the study of effects of phonon-phonon coupling. Comparison with available experimental data.

doi: 10.5506/aphyspolb.50.261
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2018SE05      Eur.Phys.J. A 54, 4 (2018)

A.P.Severyukhin, N.N.Arsenyev, N.Pietralla, V.Werner

Proton-neutron structure of first and second quadrupole excitations of 90Sr

NUCLEAR STRUCTURE 88,90Sr, 90,92Zr; calculated 2+1, 2+2 quadrupole excitation energy, structure, B(E2), B(M1), g-factors using Skyrme interaction together with density-dependent pairing interaction. Compared with available and extrapolated data.

doi: 10.1140/epja/i2018-12451-4
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2018SE11      Phys.Rev. C 97, 059802 (2018)

A.P.Severyukhin, S.Aberg, N.N.Arsenyev, R.G.Nazmitdinov

Reply to "Comment on 'Spreading widths of giant resonances in spherical nuclei: Damped transient response'"

NUCLEAR STRUCTURE 208Pb; calculated distribution of coupling matrix elements between the one- and two-phonon configurations, and B(E1) and B(E2) strength distributions for the isovector giant dipole resonance (IVGDR) and isoscalar giant quadrupole resonance (ISGQR) using random matrix distribution of phonon-phonon coupling in random-phase approximation.

doi: 10.1103/PhysRevC.97.059802
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2018SE18      Phys.Rev. C 98, 044319 (2018)

A.P.Severyukhin, S.AAberg, N.N.Arsenyev, R.G.Nazmitdinov

Damped transient response of the giant dipole resonance in the lead region

NUCLEAR STRUCTURE 206Hg, 204,206,208Pb, 210Po; analyzed strength distributions of 1- states in the region of isovector giant-dipole resonance (IVGDR) and energy interval of 9.5-18.5 MeV using quasi-random phase approximation (QRPA) based on Skyrme mean field and SLy4 interaction, with the volume pairing interaction treated in the BCS approximation. Comparison of centroid energies and spreading widths from microscopic coupling of one- and two-phonon states with those from random matrix approach to this coupling, and with experimental data.

doi: 10.1103/PhysRevC.98.044319
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2018SU05      Phys.Atomic Nuclei 81, 24 (2018)

E.O.Sushenok, A.P.Severyukhin, N.N.Arsenyev, I.N.Borzov

Impact of Tensor Interaction on Beta-Delayed Neutron Emission from Neutron-Rich Nickel Isotopes

RADIOACTIVITY 74,75,76,77,78,79,80Ni, 74,75,76,77,78,79,80Cu(β-); calculated Q, B(E2), β-decay rates, T1/2. Compared with data.

doi: 10.1134/S1063778818010192
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2017AR05      Acta Phys.Pol. B48, 553 (2017)

N.N.Arsenyev, A.P.Severyukhin, V.V.Voronov, N.Van Giai

Effects of Phonon-Phonon Coupling on Properties of Pygmy Resonance in 40-48Ca

NUCLEAR STRUCTURE 40,42,44,46,48Ca; calculated low-energy electric pygmy dipole resonance B(E1) strength distribution using RPA and PPC (Phonon-Phonon Coupling) with Skyrme SLy5 interaction; deduced fragmentation of B(E1) to lower energy using comparison with available data.

doi: 10.5506/APhysPolB.48.553
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2017AR06      Phys.Rev. C 95, 054312 (2017)

N.N.Arsenyev, A.P.Severyukhin, V.V.Voronov, Nguyen Van Giai

Influence of complex configurations on the properties of the pygmy dipole resonance in neutron-rich Ca isotopes

NUCLEAR STRUCTURE 40,42,44,46,48,50,52,54,56,58,60Ca; calculated binding energies, neutron skin thicknesses, electric dipole polarizability, S(n), S(2n), summed dipole strength below 10 MeV, energies and B(E2) for the first 2+ states, energies and B(Eλ) values for first 2+, 3-, 4+ and 5- states in 46,48,50Ca, low-energy E1 strength distributions of 40Ca, 48Ca and 50Ca, photoabsorption cross section and electric dipole polarizability for 48Ca, transition proton and neutron densities to selected 1- states of 50Ca and 56Ca. Effects of phonon-phonon coupling (PPC) on the low-energy electric dipole response investigated by quasiparticle random phase approximation based on the Skyrme interaction SLy5. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.054312
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2017SE06      Phys.Rev. C 95, 034314 (2017)

A.P.Severyukhin, N.N.Arsenyev, I.N.Borzov, E.O.Sushenok

Multi-neutron emission of Cd isotopes

RADIOACTIVITY 126Ru, 128Pd, 132Sn, 134Te, 126,128,130,132,134Cd(β-), (β-n), (β-2n); calculated Q(β-), S(n), S(2n) and compared with available experimental data. 126,128,130,132,134Cd(β-), (β-n), (β-2n); calculated Gamow-Teller (GT) strength distributions as functions of excitation energy of daughter nuclei, β-decay half-lives using QRPA, phonon-phonon coupling effects on β-decay half-life, and β-delayed neutron emission probabilities P1n and P2n. Skyrme mean-field calculations with the study of effects of phonon-phonon coupling. Comparison with available experimental data.

doi: 10.1103/PhysRevC.95.034314
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2017SE10      Phys.Rev. C 95, 061305 (2017)

A.P.Severyukhin, S.Aberg, N.N.Arsenyev, R.G.Nazmitdinov

Spreading widths of giant resonances in spherical nuclei: Damped transient response

NUCLEAR STRUCTURE 132Sn, 208Pb, 310126; analyzed centroid energies, spreading widths Γ for isoscalar giant monopole resonances (ISGMR), isovector giant dipole resonances (IVGDR), and isoscalar giant quadrupole resonances (ISGQR), B(E1) strength distributions using RPA based on the Skyrme mean field. Comparison of spreading widths obtained by means of the microscopic coupling of one- and two-phonon states with those obtained by means of the random matrix approach to this coupling. Comparison with experimental data.

doi: 10.1103/PhysRevC.95.061305
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2016SE18      Phys.Atomic Nuclei 79, 469 (2016)

A.P.Severyukhin, N.N.Arsenyev, N.Pietralla, V.Werner

Structure of 2+1, 2 states in 132, 134, 136Te

NUCLEAR STRUCTURE 132,134,136Te; calculated 2+1 state energy, B(E2), B(M1), g factors using QRPA and taking into account phono-phonon coupling. Compared with data.

doi: 10.1134/S1063778816040190
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2015AR06      Acta Phys.Pol. B46, 517 (2015)

N.N.Arsenyev, A.P.Severyukhin, V.V.Voronov, N.V.Giai

Effects of Phonon-Phonon Coupling on Properties of Pygmy Resonance in 132Sn

NUCLEAR STRUCTURE 132Sn; calculated B(E1) strength distribution, dipole excitations. Skyrme mean-field interaction SLy4.

doi: 10.5506/APhysPolB.46.517
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2015ET01      Phys.Rev. C 91, 064317 (2015)

A.Etile, D.Verney, N.N.Arsenyev, J.Bettane, I.N.Borzov, M.C.Mhamed, P.V.Cuong, C.Delafosse, F.Didierjean, C.Gaulard, Nguyen Van Giai, A.Goasduff, F.Ibrahim, K.Kolos, C.Lau, M.Niikura, S.Roccia, A.P.Severyukhin, D.Testov, S.Tusseau-Nenez, V.V.Voronov

Low-lying intruder and tensor-driven structures in 82As revealed by β decay at a new movable-tape-based experimental setup

RADIOACTIVITY 82Ge(β-)[from 238U(e, F), E=50 MeV followed by online mass separation using PARRNe mass separator at ALTO ISOL facility of IPN-Orsay]; measured Eγ, Iγ, βγ-, γγ-coin, half-life of 82Ge isotope using BEDO detector assembly. 82As; deduced levels, J, three potential 1+ states, π, β feedings, logft. Comparison with experimental and theoretical values of two 1+ states in 82As and 80Ga. Comparison with empirical core-particle coupling model and fully microscopic treatment within Skyrme-QRPA (quasiparticle random-phase approximation) approach. Discussed Gamow-Teller fragmentation due to tensor correlations and couplings to 2p-2h excitations. 82Ga(β-); measured half-life from growth-decay curve for 1348-keV γ ray, and compared with earlier experimental value. 81,82,82mAs, 81,81mGe, 82Ga, 130,132Sb, 132Sn(β-), 82Ga(β-n); observed γ rays from fission fragments present in the sample.

NUCLEAR STRUCTURE 81Ga, 83As, 85Br, 87Rb; calculated proton QP energies, occupation probabilities. 80Ga, 82As, 84Br, 86Rb; calculated unperturbed energies of neutron-proton 2-qp states. 81Ge, 82,83As, 85Kr, 86,87Rb; calculated levels, J, π. 80Ga, 82As; calculated energies and structures of the QRPA dipole (1+) neutron-proton 2-qp states. Comparison with experimental data. Empirical core-particle coupling model and fully microscopic treatment within Skyrme-QRPA approach.

doi: 10.1103/PhysRevC.91.064317
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2014SE14      Phys.Rev. C 90, 011306 (2014)

A.P.Severyukhin, N.N.Arsenyev, N.Pietralla, V.Werner

Impact of variational space on M1 transitions between first and second quadrupole excitations in 132, 134, 136Te

NUCLEAR STRUCTURE 132,134,136Te; calculated energies, B(M1), B(E2), and dominant components of phonon structures of the low-lying quadrupole 2+ states, B(M1) of transitions from second 2+ to first 2+ using 2-state model, QRPA, and 2-phonon, proton single-particle energies. Proton-neutron mixed-symmetry character and mixed-symmetry (MS) 2+ states. Quasiparticle random phase approximation calculations in very large two-quasiparticle configurational spaces with Skyrme mean-field interactions. Comparison with experimental data.

doi: 10.1103/PhysRevC.90.011306
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2014SE19      Phys.Rev. C 90, 044320 (2014)

A.P.Severyukhin, V.V.Voronov, I.N.Borzov, N.N.Arsenyev, Nguyen Van Giai

Influence of 2p-2h configurations on β-decay rates

RADIOACTIVITY 76Fe, 70,72,74,76,78,80Ni, 80Zn, 82Ge, 84Se(β-); calculated half-lives, Gamow┬ŁTeller (G-T) strength distributions. Calculations based on phonon-phonon coupling in a microscopic model based on Skyrme-type interaction. Comparison with experimental results.

NUCLEAR STRUCTURE 76Fe, 70,72,74,76,78,80Ni, 80Zn, 82Ge, 84Se, 86Kr; calculated energies and B(E2) of first 2+ states based on QRPA and finite rank separable approximation (FRSA), with and without tensor interaction. Comparison with experimental results.

doi: 10.1103/PhysRevC.90.044320
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2013AR01      Bull.Rus.Acad.Sci.Phys. 77, 462 (2013); Izv.Akad.Nauk RAS, Ser.Fiz 77, 513 (2013)

N.N.Arsenyev, A.P.Severyukhin, V.V.Voronov

Describing of the Properties of Quadrupole States in a 94Mo Nucleus with Skyrme Interaction

NUCLEAR STRUCTURE 94Mo; calculated energy levels, J, π, B(E2), B(M1). Random phase approximation with separable Skyrme forces.

doi: 10.3103/S1062873813040035
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2012SE05      Phys.Rev. C 86, 024311 (2012)

A.P.Severyukhin, N.N.Arsenyev, N.Pietralla

Proton-neutron symmetry in 92Zr, 94Mo with Skyrme interactions in a separable approximation

NUCLEAR STRUCTURE 90,92Zr, 92,94Mo; calculated neutron and proton single-particle energies, lowest 2-quasiparticle states, levels, J, π, B(E2), B(M1), structures of QRPA quadrupole states, phonon amplitudes. Finite-rank separable approach for QRPA calculations with SGII Skyrme interaction. Comparison with experimental data.

doi: 10.1103/PhysRevC.86.024311
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2010AR04      Bull.Rus.Acad.Sci.Phys. 74, 854 (2010); Izv.Akad.Nauk RAS, Ser.Fiz 74, 895(2010)

N.N.Arsenyev, A.P.Severyukhin, V.V.Voronov

Properties of giant dipole resonance and the elimination of center-of-mass motion

NUCLEAR STRUCTURE 132Sn; calculated B(E1), Giant Dipole Resonance centroid energy.

doi: 10.3103/S1062873810060250
Citations: PlumX Metrics


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Note: The following list of authors and aliases matches the search parameter N.N.Arsenyev: , N.N.ARSENYEV