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NSR database version of May 24, 2024.

Search: Author = S.Y.Igashov

Found 23 matches.

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2019SO07      Phys.Rev. C 99, 054618 (2019)

A.S.Solovyev, S.Yu.Igashov

4He + 3H and 4He + 3He radiative capture, elastic scattering, and electromagnetic properties within the algebraic version of the resonating group model

NUCLEAR REACTIONS 3H(α, γ)7Li, E(cm)=0-3.5 MeV; 3He(α, γ)7Be, E(cm)=0-5.0 MeV; 3H(α, α), E(cm)=0-8 MeV; 3He(α, α), E(cm)=0-11 MeV; calculated partial and total astrophysical S factors, branching ratios, Eγ, and nuclear phase shifts δ using algebraic version of resonating group model (AVRGM), with all the allowed E1, E2, and M1 captures from s, p, d, and f waves. Radiative capture process and elastic scattering at low and intermediate energies. Comparison with experimental data. Microscopic approach to radiative capture reactions in wide energy range.

NUCLEAR STRUCTURE 7Li, 7Be; calculated electric quadrupole moments Q, magnetic dipole moments μ, B(E2), B(M1), rms radii for proton, neutron and nucleon matter, density distributions, breakup thresholds, resonance energies and widths using algebraic version of resonating group model. Comparison with experimental data.

COMPILATION 7Li, 7Be; compiled experimental measurements and theoretical calculations for rms radii of proton, neutron and nucleon matter, electric quadrupole and magnetic dipole moments, B(E2), and B(M1).

doi: 10.1103/PhysRevC.99.054618
Citations: PlumX Metrics


2019SO09      Bull.Rus.Acad.Sci.Phys. 83, 504 (2019)

A.S.Solovyev, S.Yu.Igashov

Comparison of Approaches Based on Different Algebraic Versions of the Resonating Group Model for Radiative Capture

doi: 10.3103/S1062873819040270
Citations: PlumX Metrics


2018SO15      Bull.Rus.Acad.Sci.Phys. 82, 682 (2018)

A.S.Solovyev, S.Yu.Igashov

Theoretical Study of the Seven-Nucleon 6Li + p System Using the Algebraic Version of the Resonating Group Model

NUCLEAR REACTIONS 6Li(p, α)3He, E(cm)=10-1000 MeV; calculated astrophysical S-factor using Algebraic Version of Resonating Group Model (AVRGM) and Microscopic Three-cluster Model (MTM); compared with calculations using different approaches and with data.

doi: 10.3103/S106287381806028X
Citations: PlumX Metrics


2017KO37      Phys.Atomic Nuclei 80, 614 (2017); Yad.Fiz. 80, 302 (2017)

G.V.Kolomiytsev, S.Yu.Igashov, M.H.Urin

Unitary version of the single-particle dispersive optical model and single-hole excitations in medium-heavy spherical nuclei

NUCLEAR STRUCTURE 90Zr, 132Sn, 208Pb; calculated single-particle strengths, energies and widths for deep hole states. Comparison with available data.

doi: 10.1134/S1063778817040123
Citations: PlumX Metrics


2017SO25      Phys.Rev. C 96, 064605 (2017)

A.S.Solovyev, S.Yu.Igashov

Microscopic approach based on a multiscale algebraic version of the resonating group model for radiative capture reactions

NUCLEAR REACTIONS 3H(α, γ), E(cm)=0-1.3 MeV; 3He(α, γ), E(cm)=0-2.9 MeV; 3H(α, α), E(cm)=0-8 MeV; 3He(α, α), E(cm)=0-10 MeV; calculated Eγ, astrophysical S factors, branching ratios, nuclear phase shifts δ using algebraic version of resonating group model. 7Li, 7Be; deduced breakup thresholds. Comparison with experimental data. Microscopic approach to radiative capture process at low and astrophysically relevant energies.

doi: 10.1103/PhysRevC.96.064605
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2017SO28      Phys.Atomic Nuclei 80, 890 (2017)

A.S.Solovyev, S.Yu.Igashov

Microscopic multichannel investigation of the 6Li + n seven-nucleon nuclear system at low energies

doi: 10.1134/S1063778817050258
Citations: PlumX Metrics


2016IG02      Phys.Atomic Nuclei 79, 1375 (2016)

S.Yu.Igashov, Yu.M.Tchuvilsky

Effect of energy transfer from atomic electron shell to an α particle emitted by decaying nucleus

doi: 10.1134/S1063778816090052
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2015SO13      Bull.Rus.Acad.Sci.Phys. 79, 499 (2015); Izv.Akad.Nauk RAS, Ser.Fiz 79, 541 (2015)

A.S.Solovyev, S.Yu.Igashov, Yu.M.Tchuvil'sky

Description of the 3He(α, γ)7Be radiative capture reaction within the resonating group model

NUCLEAR REACTIONS 3He(α, γ), E(cm)<3 MeV; calculated S-factor. Comparison with experimental data.

doi: 10.3103/S1062873815040309
Citations: PlumX Metrics


2014SO22      Phys.Atomic Nuclei 77, 1453 (2014); Yad.Fiz. 77, 1525 (2014

A.S.Solovyev, S.Yu.Igashov, Yu.M.Tchuvilsky

Microscopic interpretation of the results of new measurements for the 3He(α, γ)7Be reaction

NUCLEAR REACTIONS 3He(α, γ), E(cm)<3 MeV; calculated S-factor. Comparison with available data.

doi: 10.1134/S1063778814120175
Citations: PlumX Metrics


2013IG01      Phys.Atomic Nuclei 76, 429 (2013); Yad.Fiz. 76, 468 (2013)

S.Yu.Igashov, V.A.Rodin, M.H.Urin

Configuration Splitting of the Gamow-Teller Resonance in Antimony Isotopes: Is This a Real or a Virtual Effect?

NUCLEAR STRUCTURE 116,118,120Sb; calculated Gamow-Teller strength functions; deduced The structural effect of splitting of the main maximum of the Gamow-Teller resonance. Comparison with available data.

doi: 10.1134/S1063778813030083
Citations: PlumX Metrics


2013IG02      Phys.Atomic Nuclei 76, 1452 (2013); Yad.Fiz. 76, 1537 (2013)

S.Yu.Igashov, Yu.M.Tchuvilsky

Alpha decay in electron surrounding

RADIOACTIVITY 226Ra, 232Th, 144Nd, 148Sm(α); calculated atomic shell α-decay suppression coefficients.

doi: 10.1134/S1063778813120090
Citations: PlumX Metrics


2011IG01      Phys.Rev. C 83, 044301 (2011)

S.Yu.Igashov, V.Rodin, A.Faessler, M.H.Urin

Gamow-Teller strength distributions for ββ-decaying nuclei within continuum quasiparticle random-phase approximation

RADIOACTIVITY 76Ge, 100Mo, 116Cd, 130Te(2β-); calculated Gamow-Teller amplitudes and strength distributions, matrix elements for 2νββ decay mode. Continuum quasiparticle random-phase approximation (QRPA). Comparison with experimental data.

doi: 10.1103/PhysRevC.83.044301
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2011IG02      Phys.Atomic Nuclei 74, 1588 (2011); Yad.Fiz. 74, 1615 (2011)

S.Yu.Igashov, Yu.M.Tchuvilsky

Manifestation of exchange effects in heavy-ion interactions

NUCLEAR REACTIONS 16O(16O, X), E not given; calculated Woods-Saxon type potential depth and resonance parameter widths.

doi: 10.1134/S106377881111010X
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2010IG01      Bull.Rus.Acad.Sci.Phys. 74, 1612 (2010); Izv.Akad.Nauk RAS, Ser.Fiz 74, 1677 (2010)

S.Yu.Igashov, A.V.Sinyakov, Yu.M.Tchuvilsky

An asymptotic normalization coefficient for the loosely-bounded state of 17F nucleus in the orthogonality conditions model

NUCLEAR REACTIONS 16O(p, γ)17F, E not given; calculated asymptotic normalization coefficient for 16O+p channel 1/2+ state in 17F. CNO cycle.

doi: 10.3103/S1062873810110250
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2009RA12      Bull.Rus.Acad.Sci.Phys. 73, 863 (2009); Izv.Akad.Nauk RAS, Ser.Fiz 73, 909 (2009)

K.A.Razumovskii, S.Yu.Igashov, M.G.Urin

On M1-radiative transitions between analog and Gamow-Teller states

NUCLEAR STRUCTURE 48Sc, 208Bi; calculated energies of Gamow-Teller, isobar analogue states, B(M1). Self-consistent nuclear mean field and Landau-Migdal particle-hole interaction.

doi: 10.3103/S1062873809060343
Citations: PlumX Metrics


2008IG02      Phys.Atomic Nuclei 71, 1267 (2008)

S.Yu.Igashov, V.A.Rodin, M.H.Urin, A.Faessler

Gamow-Teller strength distributions for ββ-decaying nuclei within continuum QRPA

NUCLEAR STRUCTURE 116Cd(2β-); 130Te(2β-); calculated Gamow-Teller strength distributions; QRPA model.

doi: 10.1134/S1063778808070211
Citations: PlumX Metrics


2007IG03      Bull.Rus.Acad.Sci.Phys. 71, 769 (2007); Izv.Akad.Nauk RAS, Ser.Fiz. 71, 797 (2007)

S.Yu.Igashov, A.M.Shirokov

JISP16 realistic NN interaction within the resonating group approach to the α + n scattering

doi: 10.3103/S1062873807060044
Citations: PlumX Metrics


2006IG04      Bull.Rus.Acad.Sci.Phys. 70, 212 (2006)

S.Yu.Igashov, M.H.Urin

Partially self-consistent mean field of nucleus

NUCLEAR STRUCTURE 48Ca, 132Sn, 208Pb; calculated single-particle level energies, spin-orbit effect. Partially self-consistent mean field approach.


2002IG03      Bull.Rus.Acad.Sci.Phys. 66, 417 (2002)

S.Yu.Igashov, Yu.M.Chuvilsky

Realistic NN-Interaction in Basis of Functions of Algebraic Version of Resonating Group Method


2001IG02      Bull.Rus.Acad.Sci.Phys. 65, 104 (2001)

S.Yu.Igashov

The Use of Expansions in a System of Oscillator Functions for Solving Continuous Spectrum Problems


2001IG03      Bull.Rus.Acad.Sci.Phys. 65, 817 (2001)

S.Yu.Igashov

Investigation of Scattering and Reactions in the 6Li + n System

NUCLEAR REACTIONS 6Li(n, t), (n, n), E(cm)=0-400 keV; 4He(t, t), E(cm)=0-400 keV; calculated σ, phase shifts. 7Li deduced resonance features. Algebraic version of resonating group method.


1997IG04      Bull.Rus.Acad.Sci.Phys. 61, 640 (1997)

S.Yu.Igashov

(5/2)- Resonance of the 6Li + p System in an Oscillator Representation of the Resonating Groups Method

NUCLEAR REACTIONS 6Li(p, p), E(cm)=1-2.5 MeV; calculated phase shift; deduced resonance dependence. Algebraic resonating groups method.


1995IG05      Yad.Fiz. 58, No 5, 843 (1995); Phys.Atomic Nuclei 58, 780 (1995)

S.Yu.Igashov, R.T.Tyapaev

A Formula for Calculating Matrix Elements of Spin-Orbit Interaction between Basis Functions of the Algebraic Version of the Resonating-Group Method


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