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NSR database version of May 24, 2024.

Search: Author = S.A.Rakityansky

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2024RA15      Phys.Rev. C 109, 034610 (2024)

S.A.Rakityansky, S.N.Ershov

Calculating the width of an ultranarrow quantum resonance

doi: 10.1103/PhysRevC.109.034610
Citations: PlumX Metrics

2022TS01      Int.J.Mod.Phys. E31, 2250067 (2022)

T.J.Tshipi, S.A.Rakityansky, S.N.Ershov

Resonant states 3+ and 2- of the Boron isotope 8B

NUCLEAR REACTIONS 7Be(p, X)8B, 7Be(p, p), E not given; analyzed available data; deduced Jost functions by fitting available partial σ, resonance energies and widths, S-matrix, Asymptotic Normalization Constants (ANC).

doi: 10.1142/S0218301322500677
Citations: PlumX Metrics

2021ER01      Phys.Rev. C 103, 024612 (2021)

S.N.Ershov, S.A.Rakityansky

Jost matrices for some analytically solvable potential models

doi: 10.1103/PhysRevC.103.024612
Citations: PlumX Metrics

2020VA05      Nucl.Phys. A1000, 121799 (2020)

P.Vaandrager, S.A.Rakityansky

Jost-matrix analysis of experimental data on d4He scattering

doi: 10.1016/j.nuclphysa.2020.121799
Citations: PlumX Metrics

2019RA32      Int.J.Mod.Phys. E28, 1950064 (2019)

S.A.Rakityansky, S.N.Ershov

Jost-matrix analysis of the resonance 5hE*(3 over 2+) near the dt-threshold

NUCLEAR REACTIONS 3H(d, X)5He, 4He(n, X)5He, E < 200 keV; analyzed available data; deduced partial σ using R-matrix analysis, are fitted using the semi-analytic multi-channel Jost matrix with proper analytic structure and some adjustable parameters; deduced resonance is split in overlapping pairs.

doi: 10.1142/S0218301319500642
Citations: PlumX Metrics

2019RA36      Int.J.Mod.Phys. E28, 1950083 (2019)

S.A.Rakityansky, S.N.Ershov, T.J.Tshipi

Resonant states 0+ of the Boron isotope 8B from the Jost-matrix analysis of the partial cross-sections

NUCLEAR REACTIONS 7Be(p, p), E<3.4 MeV; analyzed available data. 8B; deduced energy levels, J, π, partial σ, resonance parameters.

doi: 10.1142/S0218301319500836
Citations: PlumX Metrics

2019VA15      Nucl.Phys. A992, 121627 (2019)Erratum Nucl.Phys. A996, 121694 (2020)

P.Vaandrager, S.A.Rakityansky

Residues of the S-matrix for several α12C resonances from the Jost function analysis

doi: 10.1016/j.nuclphysa.2019.121627
Citations: PlumX Metrics

2017RA08      Int.J.Mod.Phys. E26, 1730014 (2017)

S.A.Rakityansky, I.M.Gopane

Effective-range parameters and vertex constants for Λ-nuclear systems

NUCLEAR STRUCTURE A=6-207; calculated the scattering lengths, effective radii, effective-range parameters, S-matrix residues as well as the corresponding Nuclear-Vertex and Asymptotic-Normalization constants for bound states.

doi: 10.1142/S0218301317500148
Citations: PlumX Metrics

2016BE07      Phys.Rev. C 93, 034622 (2016)

V.B.Belyaev, M.B.Miller, J.Otto, S.A.Rakityansky

Nuclear fusion induced by x rays in a crystal

NUCLEAR REACTIONS 6Li, 2H(γ, 8Be), E=10-90 keV; measured d+6Li to 8Be nuclear fusion events using lithium deuteride crystal and polymer track detectors CR-39, crystal containing both 6Li and 7Li. Comparison with theoretical calculations. Possible relevance to rates of various nuclear reactions at extremely low energies, not accessible in accelerator experiments.

doi: 10.1103/PhysRevC.93.034622
Citations: PlumX Metrics

2016VA02      Int.J.Mod.Phys. E25, 1650014 (2016)

P.Vaandrager, S.A.Rakityansky

Extracting the resonance parameters from experimental data on scattering of charged particles

doi: 10.1142/S0218301316500142
Citations: PlumX Metrics

2013RA11      Int.J.Mod.Phys. E22, 1350032 (2013)

S.A.Rakityansky, N.Elander

A method for extracting the resonance parameters from experimental cross-sections

doi: 10.1142/S0218301313500328
Citations: PlumX Metrics

2008BE12      Nucl.Phys. A803, 210 (2008)

V.B.Belyaev, S.A.Rakityansky, W.Sandhas

Three-body resonances Λnn and ΛΛn

doi: 10.1016/j.nuclphysa.2008.02.219
Citations: PlumX Metrics

2003SH01      Nucl.Phys. A714, 277 (2003)

N.V.Shevchenko, V.B.Belyaev, S.A.Rakityansky, S.A.Sofianos, W.Sandhas

Coherent photoproduction of η-mesons on three-nucleon systems

NUCLEAR REACTIONS 3H, 3He(γ, X), E=600-660 MeV; calculated η-meson production σ, sensitivity to choice of T-matrix. Finite rank approximation.

doi: 10.1016/S0375-9474(02)01368-4
Citations: PlumX Metrics

2002SH07      Nucl.Phys. A699, 165c (2002)

N.V.Shevchenko, V.B.Belyaev, S.A.Rakityansky, S.A.Sofianos, W.Sandhas

Eta Photoproduction Off Three Body Nuclei

NUCLEAR REACTIONS 3H, 3He(γ, X), E=600-660 MeV; calculated η-meson production σ. Microscopic finite rank approximation method.

doi: 10.1016/S0375-9474(01)01488-9
Citations: PlumX Metrics

2001RA15      Nucl.Phys. A684, 383c (2001)

S.A.Rakityansky, S.A.Sofianos, N.V.Shevchenko, V.B.Belyaev, W.Sandhas

Mear-Threshold ηd Resonance

doi: 10.1016/S0375-9474(01)00402-X
Citations: PlumX Metrics

2001SH30      Nucl.Phys. A689, 383c (2001)

N.V.Shevchenko, V.B.Belyaev, S.A.Rakityansky, S.A.Sofianos, W.Sandhas

Photoproduction of η-Mesons Off Light Nuclei

NUCLEAR REACTIONS 2H(γ, X), E=625-655 MeV; calculated η meson production σ, σ(θ); deduced reaction mechanism features. Alt-Grassberger-Sandhas formalism, comparisons with data.

doi: 10.1016/S0375-9474(01)00860-0
Citations: PlumX Metrics

2000SH39      Eur.Phys.J. A 9, 143 (2000)

N.V.Shevchenko, V.B.Belyaev, S.A.Rakityansky, S.A.Sofianos, W.Sandhas

Low-Energy ηd-Resonance

doi: 10.1007/s100500070064
Citations: PlumX Metrics

1999MA69      Nucl.Phys. A654, 597 (1999)

S.E.Massen, S.A.Sofianos, S.A.Rakityansky, S.Oryu

Resonances and Off-Shell Characteristics of Effective Interactions

doi: 10.1016/S0375-9474(99)00316-4
Citations: PlumX Metrics

1999SH13      J.Phys.(London) G25, 95 (1999)

N.V.Shevchenko, S.A.Rakityansky, S.A.Sofianos, V.B.Belyaev

Non-Radiative Synthesis of 7Be in Solar Plasma

NUCLEAR REACTIONS 3He(α, X), E not given; calculated electron accompanied three-body fusion reaction rate in solar plasma.

doi: 10.1088/0954-3899/25/1/009
Citations: PlumX Metrics

1998BE16      Nucl.Phys. A631, 720c (1998)

V.B.Belyaev, D.E.Monakhov, N.Shevchenko, S.A.Sofianos, S.A.Rakityansky, M.Braun, L.L.Howell, W.Sandhas

Nuclear Fusion Via Triple Collisions in Solar Plasma

doi: 10.1016/S0375-9474(98)00098-0
Citations: PlumX Metrics

1998MO13      Nucl.Phys. A635, 257 (1998)

D.E.Monakhov, V.B.Belyaev, S.A.Sofianos, S.A.Rakityansky, W.Sandhas

Triple Collisions e-p 7Be in Solar Plasma

NUCLEAR REACTIONS 7Be(p, X)8B, E not given; calculated electron-associated triple collision reaction rate, temperature dependence. Adiabatic approximation.

doi: 10.1016/S0375-9474(98)00174-2
Citations: PlumX Metrics

1998SH34      Phys.Rev. C58, R3055 (1998)

N.V.Shevchenko, S.A.Rakityansky, S.A.Sofianos, V.B.Belyaev, W.Sandhas

Faddeev-Type Calculation of ηd Threshold Scattering

NUCLEAR STRUCTURE 2H; calculated ηd scattering length; deduced possible resonance or quasibound state. Exact few-body equations.

doi: 10.1103/PhysRevC.58.R3055
Citations: PlumX Metrics

1997RA01      Nucl.Phys. A613, 132 (1997)

S.A.Rakityansky, S.A.Sofianos, L.L.Howell, M.Braun, V.B.Belyaev

Nonradiative Proton-Deuteron Fusion in Stellar Plasma

doi: 10.1016/S0375-9474(96)00413-7
Citations: PlumX Metrics

1997SO27      J.Phys.(London) G23, 1619 (1997)

S.A.Sofianos, S.A.Rakityansky, G.P.Vermaak

Subthreshold Resonances in Few-Neutron Systems

NUCLEAR STRUCTURE 3,4n; calculated subthreshold resonant states; deduced potential sensitivity. Jost function.

doi: 10.1088/0954-3899/23/11/010
Citations: PlumX Metrics

1996RA13      Phys.Rev. C53, R2043 (1996)

S.A.Rakityansky, S.A.Sofianos, M.Braun, V.B.Belyaev, W.Sandhas

Quasibound States of η-Nucleus Systems

NUCLEAR REACTIONS 2,3H, 3,4He(X, X), E not given; calculated η-scattering associated amplitudes, poles related features.

doi: 10.1103/PhysRevC.53.R2043
Citations: PlumX Metrics

1995RA23      Phys.Lett. 359B, 33 (1995)

S.A.Rakityansky, S.A.Sofianos, W.Sandhas, V.B.Belyaev

Threshold Scattering of the η-Meson Off Light Nuclei

NUCLEAR REACTIONS 2,3H, 4He(X, X), E=low; calculated η-meson scattering lengths. Coherent approximation, few-body equations.

doi: 10.1016/0370-2693(95)01057-W
Citations: PlumX Metrics

1994PU04      Z.Phys. A348, 227 (1994)

V.V.Pupyshev, S.A.Rakityansky

Semianalytical Method for Treatment of the N-Body Problem with Complex Total Energy within the Hyperharmonics Approach

doi: 10.1007/BF01291921
Citations: PlumX Metrics

1985BE08      Yad.Fiz. 41, 67 (1985)

V.B.Belyaev, S.A.Rakityansky

Recurrent Equations of the Fixed-Scatterers Approximation (FSA)

NUCLEAR REACTIONS 2H(π, π), E not given; calculated scattering amplitude. Recurrence relations, fixed scatterer approximation.

1985BE56      Yad.Fiz. 42, 1104 (1985)

V.B.Belyaev, V.V.Pupyshev, S.A.Rakityansky

Scattering Lengths for π± 3H, π± 3He Scatterings and Mass Differences of Pions, Nucleons and the Nuclei

NUCLEAR REACTIONS 3H, 3He(π-, π-), (π+, π+), E=low; calculated scattering lengths. Four-particle equations, pion, nucleon, nuclear isomultiplet mass splittings.

1985PU02      Yad.Fiz. 41, 1159 (1985)

V.V.Pupyshev, S.A.Rakityansky

πd Scattering Lengths Calculated Taking into Account Pion and Nucleon Mass Differences

NUCLEAR REACTIONS 2H(π, π), E=low; calculated s-wave phase shifts, scattering lengths; deduced pion-nucleon potential parameter role. Isotopically noninvariant approach.

1981BE46      Nucl.Phys. A368, 394 (1981)

V.B.Belyaev, S.A.Rakityansky, J.Wrzecionko

The Elastic Scattering and Charge-Exchange of Pions by 3He at Intermediate Energies

NUCLEAR REACTIONS 3He(π+, π+), (π-, π-), (π-, π0), E=68-208 MeV; calculated σ(θ), P(θ). Impulse approximation, four-body equations.

doi: 10.1016/0375-9474(81)90763-6
Citations: PlumX Metrics

1980BE57      Yad.Fiz. 31, 1462 (1980); Sov.J.Nucl.Phys. 31, 759 (1980)

V.B.Belyaev, J.Wrzecionko, S.A.Rakityansky

Inclusion of the Coulomb Interaction in Calculation of the Elastic Scattering of π+ Mesons by Deuterons

NUCLEAR REACTIONS 2H(π+, π+), E(cm)=1-2.5 MeV; calculated σ(θ, E). T-matrix formalism, Coulomb interaction, separable pion-nucleus potential.

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