NSR Query Results
Output year order : Descending NSR database version of May 6, 2024. Search: Author = S.A.Rakityansky Found 32 matches. 2024RA15 Phys.Rev. C 109, 034610 (2024) Calculating the width of an ultranarrow quantum resonance
doi: 10.1103/PhysRevC.109.034610
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
2021ER01 Phys.Rev. C 103, 024612 (2021) Jost matrices for some analytically solvable potential models
doi: 10.1103/PhysRevC.103.024612
2020VA05 Nucl.Phys. A1000, 121799 (2020) Jost-matrix analysis of experimental data on d4He scattering
doi: 10.1016/j.nuclphysa.2020.121799
2019RA32 Int.J.Mod.Phys. E28, 1950064 (2019) 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
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
2019VA15 Nucl.Phys. A992, 121627 (2019)Erratum Nucl.Phys. A996, 121694 (2020) Residues of the S-matrix for several α12C resonances from the Jost function analysis
doi: 10.1016/j.nuclphysa.2019.121627
2017RA08 Int.J.Mod.Phys. E26, 1730014 (2017) 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
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
2016VA02 Int.J.Mod.Phys. E25, 1650014 (2016) Extracting the resonance parameters from experimental data on scattering of charged particles
doi: 10.1142/S0218301316500142
2013RA11 Int.J.Mod.Phys. E22, 1350032 (2013) A method for extracting the resonance parameters from experimental cross-sections
doi: 10.1142/S0218301313500328
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
1994PU04 Z.Phys. A348, 227 (1994) Semianalytical Method for Treatment of the N-Body Problem with Complex Total Energy within the Hyperharmonics Approach
doi: 10.1007/BF01291921
1985BE08 Yad.Fiz. 41, 67 (1985) 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) 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
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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