NSR Query Results
Output year order : Descending NSR database version of May 8, 2024. Search: Author = R.Y.Kezerashvili Found 34 matches. 2024DU05 Chin.Phys.C 48, 044104 (2024) S.B.Dubovichenko, A.S.Tkachenko, R.Ya.Kezerashvili, N.A.Burkova, B.M.Yeleusheva Astrophysical S-factor and reaction rate for 15N(p, γ)16O within the modified potential cluster model NUCLEAR REACTIONS 15N(p, γ), E<1 MeV; calculated S-factor, astrophysical reaction rates within the framework of a modified potential cluster model (MPCM) with forbidden states, including low-lying resonances. Comparison with available data.
doi: 10.1088/1674-1137/ad1fe7
2022DU07 Phys.Rev. C 105, 065806 (2022) S.B.Dubovichenko, A.S.Tkachenko, R.Ya.Kezerashvili, N.A.Burkova, A.V.Dzhazairov-Kakhramanov 6Li(p, γ)7Be reaction rate in the light of the new data of the Laboratory for Underground Nuclear Astrophysics NUCLEAR REACTIONS 6Li(p, γ), E(cm)=0.01-5 MeV; calculated astrophysical S factor of capture to ground state and first excited state, total capture reaction rate. Calculations take into account latest experimental results from LUNA on the 6Li+p resonances. Comparison to the experimental data and other model calculations. Modified potential cluster model (MPCM) calculations.
doi: 10.1103/PhysRevC.105.065806
2020DU14 Phys.Rev. C 102, 045805 (2020) S.B.Dubovichenko, R.Ya.Kezerashvili, N.A.Burkova, A.V.Dzhazairov-Kakhramanov, B.Beisenov Reanalysis of the 13N(p, γ)14O reaction and its role in the stellar CNO cycle NUCLEAR REACTIONS 13N(p, γ)14O, E(cm)=0.030-7 MeV; analyzed astrophysical S factor of the proton radiative capture through the experimentally known levels and resonances up to 9.76 MeV; calculated reaction rates at temperatures of 0.01 to 10 GK; deduced parameters of the analytical parametrization, and compared with NACRE II values. Modified potential cluster model (MPCM) of light atomic nuclei. Relevance to conversion of the carbon-nitrogen-oxygen (CNO) cycle to the hot CNO cycle.
doi: 10.1103/PhysRevC.102.045805
2019DU16 Nucl.Phys. A987, 46 (2019) S.B.Dubovichenko, N.A.Burkova, A.V.Dzhazairov-Kakhramanov, R.Ya.Kezerashvili, Ch.T.Omarov, A.S.Tkachenko, D.M.Zazulin Radiative 3He(2H, γ)5Li capture at astrophysical energy and its role in accumulation of 6Li at the BBN NUCLEAR REACTIONS 3H(3He, γ)6Li;3He(d, γ)5Li;5Li(n, γ)6Li, E=0-5 MeV (T below 10 GK); calculated, analyzed reaction rates; deduced assumption that two-step processes 3He(d, γ)5Li+γ and 5Li(n, γ)6Li+γ can make a significant contribution to 6Li formation at Big Bang Nucleosynthesis (BBN) at least at temperatures of the order of 1 GK; calculated total σ, astrophysical S-factor, reaction rates using modified potential cluster model with forbidden states; deduced parameters using comparison to data, presented updated compilation for 3He(d, γ)5Li.
doi: 10.1016/j.nuclphysa.2019.03.017
2019TK02 Nucl.Phys. A991, 121609 (2019) A.S.Tkachenko, R.Ya.Kezerashvili, N.A.Burkova, S.B.Dubovichenko Integer and half-integer channel spins for elastic scattering cross sections
doi: 10.1016/j.nuclphysa.2019.121609
2007KE01 Phys.Rev. C 75, 015203 (2007) Pion double charge exchange in a composite-meson model
doi: 10.1103/PhysRevC.75.015203
2007KE04 Eur.Phys.J. A 31, 662 (2007) Composite-meson model and meson exchange currents
doi: 10.1140/epja/i2006-10192-7
2007KE07 Nucl.Phys. A790, 336c (2007) Meson exchange currents in pion double charge exchange reaction NUCLEAR REACTIONS 18O(π+, π-), E=600-1400 MeV; calculated σ(E, θ). Composite-meson model, meson exchange current mechanism.
doi: 10.1016/j.nuclphysa.2007.03.061
2003KE14 Int.J.Mod.Phys. E12, 747 (2003) The effective electron-nucleus Hamiltonian with distorted electron waves
doi: 10.1142/S0218301303001612
1999TA27 J.Phys.(London) G25, 1979 (1999) O.A.P.Tavares, E.De Paiva, G.Ya.Kezerashvili, R.Ya.Kezerashvili, N.Yu.Muchnoi, A.I.Naumenkov, I.Ya.Protopopov, E.A.Simonov, M.L.Terranova Photofission of 27Al Nucleus in the Quasi-Deuteron Region of Photonuclear Absorption NUCLEAR REACTIONS 27Al(γ, F), E ≈ 108 MeV; measured absorption, fission σ. 27Al deduced fissility.
doi: 10.1088/0954-3899/25/9/315
1994KE10 Phys.Lett. 334B, 263 (1994) On the Asymptotic Behaviour of the 4 → 4 Scattering Wave Function in the Hyperspherical Representation
doi: 10.1016/0370-2693(94)90685-8
1992DZ02 Yad.Fiz. 55, 3233 (1992); Sov.J.Nucl.Phys. 55, 1801 (1992) R.I.Dzhibuti, R.Ya.Kezerashvili, N.I.Shubitidze Photodisintegration of α-Cluster Nuclei into α Particles NUCLEAR REACTIONS 12C(γ, 2α), E=10-30 MeV; calculated photodisintegration σ(E).
1992IL02 Nucl.Phys. A539, 263 (1992) A.S.Iljinov, D.I.Ivanov, M.V.Mebel, V.G.Nedorezov, A.S.Sudov, R.Ya.Kezerashvili Fissilities of 238U and 237Np Nuclei Measured with Tagged Photons in the Energy Range 60-240 MeV NUCLEAR REACTIONS 238U, 237Np(γ, F), E=60-240 MeV; measured photon-induced fission σ, fissilities. Cascade evaporation, double-humped barrier model analyses. Natural, enriched targets, tagged photons.
doi: 10.1016/0375-9474(92)90270-T
1992IV01 Yad.Fiz. 55, 3 (1992); Sov.J.Nucl.Phys. 55, 1 (1992) D.I.Ivanov, R.Ya.Kezerashvili, A.I.Lvov, S.I.Mishnev, V.G.Nedorezov, I.Ya.Protopopov, A.S.Sudov Fisssion of 237Np and 238U Nuclei with Low Energy and Momentum Transfer by γ Rays NUCLEAR REACTIONS 238U, 237Np(γ, F), E=60-240 MeV bremsstrahlung; measured fission (fragment)(fragment)-coin; deduced fission σ(E), inelastic pair production role. Tagged beam.
1992IV02 Yad.Fiz. 55, 907 (1992); Sov.J.Nucl.Phys. 55, 506 (1992) D.I.Ivanov, R.Ya.Kezerashvili, S.I.Mishnev, V.G.Nedorezov, A.S.Sudov, A.A.Turinge, G.M.Tumaikin Symmetric and Asymmetric Fission of 238U and 237Np Induced by Tagged γ Rays of Energy of 60-240 MeV NUCLEAR REACTIONS 238U, 237Np(γ, F), E=60-240 MeV; measured fission fragment energy loss spectra; deduced quasideuteron mechanism role, energy dependence. 238U, 237Np deduced symmetric, asymmetric fission probabilities.
1992IV03 Yad.Fiz. 55, 2623 (1992); Sov.J.Nucl.Phys. 55, 1464 (1992) D.I.Ivanov, R.Ya.Kezerashvili, V.G.Nedorezov, A.S.Sudov, A.A.Turinge Symmetric and Asymmetric Fission of 238U and 235U Nuclei by Tagged Photons of Intermediate Energy NUCLEAR REACTIONS 238,235U(γ, F), E=60-240 MeV; measured symmetric, asymmetric fission probability ratio, fragment mass distribution; deduced fission mechanism. Tagged photons. Data from this article have been entered in the EXFOR database. For more information, access X4 datasetM0985. 1990AL08 Nucl.Instrum.Methods Phys.Res. A288, 399 (1990) B.M.Alexandrov, D.I.Ivanov, R.Ya.Kezerashvili, A.S.Krivokhatsky, V.V.Muratov, V.G.Nedorezov, A.S.Sudov, V.A.Zapevalov A Nuclear Fragment Detector for Experiments with Backscattered Laser Photons NUCLEAR REACTIONS 237Np, 238U(γ, F), E ≤ 2 GeV bremsstrahlung; measured fission fragment energy loss. New type of detector. RADIOACTIVITY 252Cf(SF); measured fission fragment energy loss. New type of detector.
doi: 10.1016/0168-9002(90)90130-X
1986KE20 Yad.Fiz. 44, 842 (1986); Sov.J.Nucl.Phys. 44, 542 (1986) Does a Tetraneutron Exist ( Question ) NUCLEAR REACTIONS 4He(π-, π+), E at 165 MeV/c; calculated σ(Eπ+, θπ+); deduced no evidence for tetraneutron.
1985JI02 Nucl.Phys. A437, 687 (1985) Double-Charge-Exchange Reactions of π-Mesons on Three- and Four-Particle Nuclei NUCLEAR REACTIONS 4He(π+, π-), E=0.098-1.725 GeV; calculated σ. Microscopic theory.
doi: 10.1016/0375-9474(85)90062-4
1984JI01 Yad.Fiz. 39, 419 (1984) Double Charge Exchange of π Mesons on the 3He Nucleus NUCLEAR REACTIONS 3He(π-, π+), E=140 MeV; analyzed σ(θ(π), E(π)); deduced final state interaction role. Hyperspherical function method.
1984JI02 Yad.Fiz. 39, 1109 (1984) On The Capture of Muon by Tritium Nucleus NUCLEAR REACTIONS 3H(μ, ν), E at rest; calculated neutrino energy distribution; deduced potential shape dependence, nucleon final state interaction role. Hyperspherical functions, coordinate representation.
1984JI03 Nucl.Phys. A430, 573 (1984) Quasi-α-Particle Mechanism of Pion Double Charge Exchange on Light Nuclei NUCLEAR REACTIONS 12C(π+, π-xnypzα), (π-, π+xnypzα), E=295 MeV; calculated σ(θ(π-), E(π-)), σ(θ(π+), E(π+)), σ(E). 6Li(π+, π-xpyd), E=295 MeV; calculated σ(θ(π-), E(π-)); deduced reaction mechanism. Microscopic theory.
doi: 10.1016/0375-9474(84)90095-2
1984JI04 Yad.Fiz. 40, 690 (1984) Reactions of the Complete Desintegration of Three-Particle Nuclei at Photoproduction of Charged Pions NUCLEAR REACTIONS 3He(γ, π-X), (γ, π+X), E=200-500 MeV; calculated pion production σ(E) following complete breakup, σ(θ(π)). Microscopic model, hyperspherical functions, different nucleon-nucleon potentials.
1984KA42 Pisma Zh.Eksp.Teor.Fiz. 40, 445 (1984); JETP Lett.(USSR) 40, 1271 (1984) A.A.Kazakov, R.Ya.Kezerashvili, L.E.Lazareva, V.G.Nedorezov, A.N.Skrinsky, A.S.Sudov, G.M.Tumaikin, Yu.M.Shatunov Fission of 238U and 237Np by Intermediate-Energy γ Rays NUCLEAR REACTIONS 238U, 237Np(γ, F), E=150-710 MeV; measured average fission σ; deduced pair production induced nuclear excitation role.
1981DZ03 Yad.Fiz. 34, 1464 (1981) R.I.Dzhibuti, R.Ya.Kezerashvili Quasi-α-Particle Mechanism of π-Meson Double Charge Exchange on 12C NUCLEAR REACTIONS 12C(π+, π-), E ≈ 100-600 MeV; calculated σ(E); deduced final state interaction effects, nucleon-nucleon potential dependence. Hyperspherical function basis, quasialpha particle mechanism.
1981GO03 Nucl.Phys. A355, 333 (1981) V.A.Goldstein, Eh.L.Kuplennikov, R.I.Jibuti, R.Ya.Kezerashvili Quasielastic Scattering of Electrons by 4He with the Detection of ep Coincidences NUCLEAR REACTIONS 4He(e, e'p), E=974, 1186 MeV; measured σ(θ(e), θp, Ep). 4He deduced proton momentum distributions.
doi: 10.1016/0375-9474(81)90531-5
1981JI02 Phys.Lett. 102B, 381 (1981) R.I.Jibuti, R.Ya.Kezerashvili, K.I.Sigua Investigation of π-(π+) + 4He → π+(π-) + 4n(4p) Reactions NUCLEAR REACTIONS 4He(π-, π+), E=140, 176 MeV; calculated σ(θ, E(π+)); 4He(π+, π-), E=0.1-1.75 GeV; calculated σ(E); deduced final state interaction effects. Four-body model, hyperspherical basis.
doi: 10.1016/0370-2693(81)91236-3
1980GO21 Izv.Akad.Nauk SSSR, Ser.Fiz. 44, 2655 (1980); Bull.Acad.Sci.USSR, Phys.Ser. 44, No.12, 166 (1980) V.A.Goldshtein, R.I.Dzhibuti, R.Ya.Kezerashvili, E.L.Kuplennikov Quasi-elastic Scattering of Electrons by 4He Nucleus with Recording of ep Coincidences NUCLEAR REACTIONS 4He(e, e'p), E=974, 1186 MeV; measured σ(θ(e), θp, Ep), ep-coin. 4He deduced proton momentum distribution. Coplanar kinematics. DWBA analysis, quasielastic scattering.
1980JI03 Yad.Fiz. 32, 1536 (1980) R.I.Jibuti, R.Ya.Kezerashvili, K.I.Sigua π± - Meson Double Charge Exchange on the 4He Nucleus NUCLEAR REACTIONS 4He(π+, π-), E=0.1-1.75 GeV; 4He(π-, π+), E=200-280 MeV; calculated σ(E). Four-particle, hyperspherical functions.
1979DZ01 Yad.Fiz. 29, 65 (1979); Sov.J.Nucl.Phys. 29, 31 (1979) R.I.Dzhibuti, R.Y.Kezerashvili, K.I.Sigua Theory for the Complete Photodisintegration of 4He in a Hyperspherical Basis NUCLEAR REACTIONS 4He(γ, 2np); calculated σ in four-particle hyperspherical basis functions; deduced reaction mechanism.
1975DZ04 Yad.Fiz. 22, 975 (1975); Sov.J.Nucl.Phys. 22, 508 (1975) R.I.Dzhibuti, R.Y.Kezerashvili Quasielastic Scattering of High Energy Electrons and Short-Range Dynamic Correlations in Nuclei NUCLEAR REACTIONS 16O, 12C(e, e'p); calculated σ.
1975JI01 Phys.Lett. 57B, 433 (1975) Effects of Short-Range Correlation and Distortion in the Reaction 4He(e, e'p)3H NUCLEAR REACTIONS 4He(e, e'p), E=1187 MeV; calculated σ.
doi: 10.1016/0370-2693(75)90261-0
1974DZ05 Yad.Fiz. 20, 340 (1974); Sov.J.Nucl.Phys. 20, 181 (1975) R.I.Dzhibuti, R.Y.Kezerashvili Jastrow Correlations in the α-Cluster Model and Charge Form Factors of Nuclei NUCLEAR REACTIONS 12C, 16O, 20Ne, 24Mg, 28Si, 32S(e, e); calculated charge form factors.
1974DZ06 Yad.Fiz. 20, 33 (1974); Sov.J.Nucl.Phys. 20, 17 (1975) R.I.Dzhibuti, R.Y.Kezerashvili Dynamical Short-Range Correlations of Nucleons and the Scattering of Electrons by Nuclei at High Energies NUCLEAR STRUCTURE 28Si, 32S; calculated charge form factors.
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