NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = S.P.Maydanyuk Found 19 matches. 2023MA09 Phys.Rev. C 107, 024618 (2023) Enhancement of incoherent bremsstrahlung in proton-nucleus scattering in the Δ-resonance energy region NUCLEAR REACTIONS 197Au(p, p'), E=190, 800 MeV;12,10C, 16O, 20Ne, 24Mg, 28Si, 32S, 36Ar, 40Ca, 50Cr, 56Fe, 64Zn, 90Zr, 120Te, 176Hf, 208Pb(p, p'), E=800 MeV; calculated differential σ(E) of bremsstrahlung photon emission probabilities for scattering on normal nuclei and on nuclei with the short-lived Δ-resonance, ratio between incoherent and coherent bremsstrahlung contributions. Generalized Pauli equation for nucleons in the proton-nucleus system with Δ resonance. Comparison to available experimental data. RADIOACTIVITY 226Ra(α); calculated bremsstrahlung contributions in α-decay. Comparison to experimental data.
doi: 10.1103/PhysRevC.107.024618
2023MA38 Universe 9, 354 (2023) S.P.Maydanyuk, G.Wolf, K.A.Shaulsky Synthesis of Elements in Compact Stars in Pycnonuclear Reactions with Carbon Isotopes: Quasibound States vs. States of Zero-Points Vibrations NUCLEAR REACTIONS 10C(10C, X)20Mg, 12C(12C, X)24Mg, 24C(24C, X)48Mg, E not given; calculated energies of the quasibound states of the compound nuclear systems; deduced the influence of plasma screening on quasibound states and states of zero-point vibrations in pycnonuclear processes, the energy spectrum of zero-point vibrations modifications after taking plasma screening into account.
doi: 10.3390/universe9080354
2023MA53 Phys.Rev. C 108, 064001 (2023) Systematic study of bremsstrahlung emission in reactions with light nuclei in cluster models
doi: 10.1103/PhysRevC.108.064001
2023SH14 Iader.Fiz.Enerh. 24, 93 (2023) Quantum design in the study of pycnonuclear reactions in compact stars and new quasibound states NUCLEAR REACTIONS 16O(16O, X), 12C(12C, X), E<140 MeV; analyzed available data; deduced coefficients of penetrability and reflection, resonance parameters, zero mode oscillations.
doi: 10.15407/jnpae2023.02.093
2022MA61 Eur.Phys.J. A 58, 220 (2022) Quantum design in study of pycnonuclear reactions in compact stars. Nuclear fusion, new quasibound states and spectroscopy NUCLEAR REACTIONS 12C(12C, X)24Mg, E<140 MeV; calculated dependence of the probability of formation of a compound nucleus, first resonant states, penetrabilities of barriers using WKB-approximation.
doi: 10.1140/epja/s10050-022-00870-z
2019LI32 Phys.Rev. C 99, 064614 (2019) X.Liu, S.P.Maydanyuk, P.-M.Zhang, L.Liu First investigation of hypernuclei in reactions via analysis of emitted bremsstrahlung photons RADIOACTIVITY 210Po, 106,108Te, 9B, 9Be(α); calculated emission probabilities of bremsstrahlung photons of Eγ=100-700 keV during the decay of normal nuclei. 211Po, 107,109Te, 10B, 10Be(α); calculated emission probabilities of bremsstrahlung photons of Eγ=100-700 keV during the decay of hypernuclei, and contribution of hyperon magnetic moment to the emission probability of bremsstrahlung photons; estimated influence of α-hypernucleus potential on the bremsstrahlung spectrum. Generalized Pauli equation for nucleons in the α-nucleus system and operator of emission of photons. NUCLEAR REACTIONS 197Au(α, α'), E=50 MeV; calculated double-differential σ(Eγ) for emission of coherent bremsstrahlung photons in Eγ=14-30 MeV range; deduced evidence of oscillations in the calculated bremsstrahulung spectrum. Generalized Pauli equation for nucleons in the α-nucleus system and operator of emission of photons. Comparison with experimental data.
doi: 10.1103/PhysRevC.99.064614
2019MA42 Phys.Rev. C 99, 064602 (2019) S.P.Maydanyuk, P.-M.Zhang, L.-P.Zou Nucleon microscopy in proton-nucleus scattering via analysis of bremsstrahlung emission NUCLEAR REACTIONS 197Au(p, p'), E=190 MeV; calculated electric and magnetic bremsstrahlung photon differential σ(E) for Eγ=20-180 MeV; analyzed coherent and incoherent bremsstrahlung emissions. Many-nucleon generalization of Dirac equation with the addition of form factors of nucleon, and contribution of emission of bremsstrahlung photons of electric and magnetic type. Discussed bremsstrahlung measurement as probe for form factor and internal structure of proton. Comparison with experimental data for proton scattering. RADIOACTIVITY 226Ra(α); calculated bremsstrahlung photon emission probability at Eγ<700 keV during α decay, and contribution from emission of bremsstrahlung photons from tunneling region.
doi: 10.1103/PhysRevC.99.064602
2018MA66 Phys.Rev. C 98, 054613 (2018) S.P.Maydanyuk, P.-M.Zhang, L.-P.Zou Manifestation of the important role of nuclear forces in the emission of photons in pion scattering off nuclei NUCLEAR REACTIONS 44Ca(π+, π+'), E=116 MeV; 208Pb(p, p'), E=140 MeV; 197Au(p, p'), E=190 MeV; calculated differential σ(E) of bremsstrahlung photon emission probabilities using relativistic Johnson-Satchler model from Klien-Gordon equation, and non-relativistic Woods-Saxon optical model. Comparison with experimental data. Discussed essential dependence of bremsstrahlung spectra on nuclear forces.
doi: 10.1103/PhysRevC.98.054613
2017MA40 Phys.Rev. C 96, 014602 (2017) S.P.Maydanyuk, P.-M.Zhang, L.-P.Zou New quasibound states of the compound nucleus in α-particle capture by the nucleus NUCLEAR REACTIONS 44Ca(α, X)48Ti*, E=0-50 MeV; calculated probability of existence of the compound nucleus, penetrability and amplitude of oscillations, fusion σ(E), energies of the quasibound states of the compound nucleus, resonant term of the S matrix. Improved multiple internal reflections (MIR) method. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.014602
2016MA08 Phys.Rev. C 93, 014617 (2016) S.P.Maydanyuk, P.-M.Zhang, L.-P.Zou New approach for obtaining information on the many-nucleon structure in α decay from accompanying bremsstrahlung emission RADIOACTIVITY 106,110Te, 210Po, 219Pa(α); calculated bremsstrahlung probabilities of the emitted photons with and without the inclusion of many-nucleon structure; deduced visible effects on bremsstrahlung spectrum in the case of 106Te α decay, whereas no effect for other decays. Comparison with experimental data. NUCLEAR REACTIONS 121Sb(p, γ)122Te, E=10, 50, 100, 300 MeV; calculated bremsstrahlung probabilities of the emitted photons in proton capture with and without the inclusion of many-nucleon structure. Relevance to nucleosynthesis in the p process.
doi: 10.1103/PhysRevC.93.014617
2015MA11 Phys.Rev. C 91, 024605 (2015) New approach to determine proton-nucleus interactions from experimental bremsstrahlung data NUCLEAR REACTIONS 208Pb(p, X), E=140, 145 MeV; 12C, 58Ni, 107Ag, 197Au(p, X), E=190 MeV; calculated angular photon bremsstrahlung cross sections on the basis of the first, second, and third matrix elements, ratio between the incoherent emission and the coherent emission of photons and transition between them versus photon energy; explained hump-shaped plateau in the intermediate and high energy regions of the bremsstrahlung spectra; deduced radius parameters of the proton-nucleus potentials. Microscopic bremsstrahlung model in proton-nucleus scattering.
doi: 10.1103/PhysRevC.91.024605
2015MA35 Nucl.Phys. A940, 89 (2015) S.P.Maydanyuk, P.-M.Zhang, S.V.Belchikov Quantum design using a multiple internal reflections method in a study of fusion processes in the capture of alpha-particles by nuclei NUCLEAR REACTIONS 44Ca(α, x), E=2-30 MeV; calculated potential, penetrability, fusion probability, fusion σ with contributions of different partial waves. 40,44,46Ca(α, x), E=4-30 MeV; calculated fusion probability, fusion σ; deduced α-nucleus potential parameters. MIR (multiple internal reflection) method with WKB formula. Compared with available data.
doi: 10.1016/j.nuclphysa.2015.04.002
2012MA32 Phys.Rev. C 86, 014618 (2012) Model for bremsstrahlung emission accompanying interactions between protons and nuclei from low energies up to intermediate energies: Role of magnetic emission NUCLEAR REACTIONS 9Be, 12C, 208Pb(p, γ), E=140 MeV;12C, 64Cu, 107Ag(p, γ), E=72 MeV; calculated angular distribution of photon bremsstrahlung emission at Eγ<60 MeV for the first reaction and Eγ<120 MeV for the second, electric and magnetic emission, multipolar contributions, emission from tunneling region using model which includes spin formalism, a potential approach for describing the interaction between protons and nuclei, and an emission operator which includes the component of magnetic emission. Comparison with experimental data. RADIOACTIVITY 146Tm(p); calculated angular distribution of photon bremsstrahlung emission at Eγ<400 keV, electric and magnetic emission, multipolar contributions, emission from tunneling region using model which includes spin formalism, a potential approach for describing the interaction between protons and nuclei, and an emission operator which includes the component of magnetic emission. No infrared catastrophe for soft photons.
doi: 10.1103/PhysRevC.86.014618
2010MA28 Int.J.Mod.Phys. E19, 1189 (2010) S.P.Maydanyuk, V.S.Olkhovsky, G.Mandaglio, M.Manganaro, G.Fazio, G.Giardina Bremsstrahlung emission accompanying decays and spontaneous fission of heavy nuclei RADIOACTIVITY 252Cf(SF), 226Ra(α); calculated bremsstrahlung emission during spontaneous fission. Comparison with experiment.
doi: 10.1142/S0218301310015667
2010MA34 Phys.Rev. C 82, 014602 (2010) S.P.Maydanyuk, V.S.Olkhovsky, G.Mandaglio, M.Manganaro, G.Fazio, G.Giardina Bremsstrahlung emission of high energy accompanying spontaneous fission of 252Cf RADIOACTIVITY 252Cf(SF); calculated bremsstrahlung photon emission probabilities obtained for the participation of 4He, 9Be, 12C, 24Mg, 95Zr, 97Nb, 100Mo, 103Tc, 105Ru, 110,115Rh fragments during the spontaneous fission process. 214Po, 226Ra, 252Cf(α); calculated bremsstrahlung photon emission probabilities. Fully quantum approach using the spherical wave approximation for the description of photon wave functions. Comparison with experimental data.
doi: 10.1103/PhysRevC.82.014602
2009MA14 Nucl.Phys. A823, 38 (2009) S.P.Maydanyuk, V.S.Olkhovsky, G.Giardina, G.Fazio, G.Mandaglio, M.Manganaro Bremsstrahlung emission accompanying α-decay of deformed nuclei RADIOACTIVITY 226Ra(α); calculated bremsstrahlung emission probability, spectrum, angular distribution including effect of nuclear deformation. Comparison with earlier results and data.
doi: 10.1016/j.nuclphysa.2009.03.007
2008GI03 Eur.Phys.J. A 36, 31 (2008) G.Giardina, G.Fazio, G.Mandaglio, M.Manganaro, C.Sacca, N.V.Eremin, A.A.Paskhalov, D.A.Smirnov, S.P.Maydanyuk, V.S.Olkhovsky Bremsstrahlung emission accompanying the α -decay of 214Po RADIOACTIVITY 214Po(α); measured Eα, Iα, Eγ, Iγ, αγ-coin; deduced bremsstrahlung emission probability vs Eγ, K-shell ionization probabilities. Comparison with quantum-mechanical model.
doi: 10.1140/epja/i2007-10548-5
2006MA50 Eur.Phys.J. A 28, 283 (2006) Angular analysis of bremsstrahlung in α-decay RADIOACTIVITY 210Po(α); calculated bremsstrahlung spectrum, angular distribution. Quantum electrodynamical method, comparison with data.
doi: 10.1140/epja/i2006-10037-5
2003MA78 Prog.Theor.Phys.(Kyoto) 109, 203 (2003) Does Sub-Barrier Bremsstrahlung in α-Decay of 210Po Exist? RADIOACTIVITY 210Po(α); calculated bremsstrahlung spectrum, angular distribution. Quantum mechanical model, comparison with data.
doi: 10.1143/PTP.109.203
Back to query form |