NSR Query Results
Output year order : Descending NSR database version of April 27, 2024. Search: Author = J.Speth Found 228 matches. Showing 1 to 100. [Next]2022LY02 Phys.Rev. C 105, 014327 (2022) N.Lyutorovich, V.Tselyaev, J.Speth, G.Martinez-Pinedo, K.Langanke, P.-G.Reinhard Self-consistent description of high-spin states in doubly magic 208Pb NUCLEAR STRUCTURE 208Pb; calculated natural and unnatural high-spin yrast levels of spins from 13-30, energy difference for the first two excited states in each angular momentum channel, discrete RPA (DRPA) results for the energies of the high-spin yrast states, energies and structures of 2p2h, 1p1h+phonon, and two-phonon energies of high spins. Self-consistent phonon-coupling model based on Skyrme functionals, with renormalized time-blocking approximation which evolves coherent one-particle-one-hole states of the random-phase approximation (RPA) to more complex configurations beyond RPA. Comparison with experimental data.
doi: 10.1103/PhysRevC.105.014327
2020SP06 Phys.Rev. C 102, 054332 (2020) J.Speth, P.-G.Reinhard, V.Tselyaev, N.Lyutorovich Generalized Skyrme random-phase approximation for nuclear resonances: Different trends for electric and magnetic modes NUCLEAR STRUCTURE 208Pb; calculated collective low- and high-lying resonances, GDR, GMR, GQR, energies of M1 excitations, energies of the first excited 3-, 5-, and 2+ states. Self-consistent Skyrme energy-density functional (EDF) approach using random phase approximation (RPA) and particle-hole plus phonon-coupling model, termed as time-blocking approximation (TBA).
doi: 10.1103/PhysRevC.102.054332
2020TS02 Phys.Rev. C 102, 064319 (2020) V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard M1 resonance in 208Pb within the self-consistent phonon-coupling model NUCLEAR STRUCTURE 208Pb; calculated energy and B(M1) of the isoscalar 1+ state, mean energy and the summed strength B(M1) of the isovector M1 resonance, energies and B(Eλ) values for first 2+, 3-, 4+, 5- and 6+ states, strength distributions of M1 excitations in (γ, γ'), and partial M1 cross sections in (p, p'). Extended self-consistent model including the particle-phonon coupling within the renormalized time blocking approximation (RenTBA) with several modified Skyrme energy density functionals (EDFs), and random-phase approximation (RPA) calculations. Comparison with experimental data.
doi: 10.1103/PhysRevC.102.064319
2019TS05 Phys.Rev. C 99, 064329 (2019) V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard, D.Smirnov Low-energy M1 excitations in 208Pb and the spin channel of the Skyrme energy-density functional NUCLEAR STRUCTURE 208Pb; calculated levels, B(M1), M1 strength function, and one-particle one-hole energies, rms radii using RPA with various Skyrme energy-density functional parametrizations. Comparison with experimental values, and discussed impact of spin-dependent part of Skyrme energy-density functional on M1 modes.
doi: 10.1103/PhysRevC.99.064329
2018LY06 Phys.Rev. C 98, 054304 (2018) N.Lyutorovich, V.Tselyaev, J.Speth, P.-G.Reinhard Excitation spectra of exotic nuclei in a self-consistent phonon-coupling model NUCLEAR STRUCTURE 48,56,68,78Ni, 100,132,140,176Sn; calculated mean energies and widths of giant resonances: giant monopole (GMR), giant dipole (GDR), and giant quadrupole (GQR), low-lying electric dipole strength in pygmy dipole resonances (PDR), isoscalar E0, E1 and E2 strength functions, isoscalar photoabsorption σ, isovector E1 strength function of 56Ni, isovector photoabsorption σ of 56,68Ni and 100,140Sn, and dependence of photoabsorption σ on single-particle basis size using random phase approximation (RPA) with and without self-consistent time-blocking approximation and Skyrme-Hartree-Fock nuclear force. Comparison with experimental data.
doi: 10.1103/PhysRevC.98.054304
2018TS02 Phys.Rev. C 97, 044308 (2018) V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard Self-consistency in the phonon space of the particle-phonon coupling model NUCLEAR STRUCTURE 16O, 40Ca, 208Pb; calculated energies and B(E3) of first 3- states, mean energies and σ of giant dipole resonance (GDR). Particle-phonon coupling model with non-linear form of time blocking approximation (TBA), called as configuration blocking approximation (CBA). Comparison with experimental data, and with standard TBA approximation.
doi: 10.1103/PhysRevC.97.044308
2017SP01 Int.J.Mod.Phys. E26, 1740025 (2017) Many-body Green functions in nuclear physics NUCLEAR STRUCTURE 40Ca, 153Eu, 152Sm, 188Os; calculated energy levels, J, π. Comparison with available data.
doi: 10.1142/S0218301317400250
2017TS06 Phys.Rev. C 96, 024312 (2017) V.Tselyaev, N.Lyutorovich, J.Speth, P.-G.Reinhard Optimizing phonon space in the phonon-coupling model NUCLEAR STRUCTURE 16O, 40,48Ca, 56Ni, 132Sn, 208Pb; calculated mean energies of giant resonances (GRs), energies, B(E2) and B(E3) values of low-lying 2+ and 3- states. Phonon-coupling model using the time-blocking approximation (TBA) code with three different Skyrme parametrizations. Comparison with experimental data.
doi: 10.1103/PhysRevC.96.024312
2016TS01 Phys.Rev. C 94, 034306 (2016) V.Tselyaev, N.Lyutorovich, J.Speth, S.Krewald, P.-G.Reinhard Application of an extended random-phase approximation to giant resonances in light-, medium-, and heavy-mass nuclei NUCLEAR REACTIONS 16O, 40,48Ca, 132Sn, 208Pb(γ, X), E*=0-40 MeV; calculated photoabsorption cross sections, fractions of EWSR, energies, widths and other characteristics of giant-monopole resonances (GMR), giant-dipole resonances (GDR), and giant-quadrupole resonances (GQR) using extended random phase approximation (RPA) with time-blocking approximation (TBA). Comparison with experimental data.
doi: 10.1103/PhysRevC.94.034306
2014SA54 Phys.Atomic Nuclei 77, 1033 (2014) E.E.Saperstein, O.I.Achakovskiy, S.P.Kamerdzhiev, S.Krewald, J.Speth, S.V.Tolokonnikov Phonon coupling effects in magnetic moments of magic and semimagic nuclei NUCLEAR STRUCTURE 188,190,192,194,196,198,200,202,204,206,207,208,209Pb, 187,189,191,193,195,197,199,201,203,205,207Tl, 209Bi, 100,102,104,106,108,110,112,114,116,118,120,122,124,126,128,130,132,134Sn, 105,107,109,111,113,115,117,119,121,123,125,127In, 115,117,119,121,123,125,127,129,131,133Sb; calculated energy levels, J, π, magnetic moments, B(E2). Comparison with experimental data.
doi: 10.1134/S1063778814080122
2014SP02 Nucl.Phys. A928, 17 (2014) J.Speth, S.Krewald, F.Grummer, P.-G.Reinhard, N.Lyutorovich, V.Tselyaev Landau-Migdal vs. Skyrme NUCLEAR STRUCTURE 208Pb; calculated E0, E1, E2 excitation γ strength functions using RPA with approximation for Landau-Migdal interaction and usin g full Skyrme interaction.
doi: 10.1016/j.nuclphysa.2014.03.023
2013SA42 Europhys.Lett. 103, 42001 (2013) E.E.Saperstein, S.Kamerdzhiev, S.Krewald, J.Speth, S.V.Tolokonnikov A model for phonon coupling contributions to electromagnetic moments of odd spherical nuclei NUCLEAR STRUCTURE 187,188,189,190,191,192,193,194,195,196,197,198,199,200,201,202,203,204,205,206,207,208,209,210,211Tl, 99,100,101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131In, 101,102,103,104,105,106,107,108,109,110,111,112,113,114,115,116,117,118,119,120,121,122,123,124,125,126,127,128,129,130,131,132,133Sb; calculated magnetic moments. Theory of Finite Fermi Systems (TFFS), comparison with experimental data.
doi: 10.1209/0295-5075/103/42001
2012LY02 Phys.Rev.Lett. 109, 092502 (2012) N.Lyutorovich, V.I.Tselyaev, J.Speth, S.Krewald, F.Grummer, P.-G.Reinhard Self-Consistent Calculations of the Electric Giant Dipole Resonances in Light and Heavy Nuclei NUCLEAR REACTIONS 16O, 40Ca, 208Pb(γ, X), E<40 MeV; calculated σ, electric giant dipole resonances. Skyrme interaction, comparison with available data.
doi: 10.1103/PhysRevLett.109.092502
2010SP06 Nucl.Phys. A844, 30c (2010) Complex systems: from nuclear physics to financial markets
doi: 10.1016/j.nuclphysa.2010.05.010
2009KR04 Int.J.Mod.Phys. E18, 1425 (2009) PYGMY dipole resonances
doi: 10.1142/S0218301309013750
2009TS03 Phys.Rev. C 79, 034309 (2009) V.Tselyaev, J.Speth, S.Krewald, E.Litvinova, S.Kamerdzhiev, N.Lyutorovich, A.Avdeenkov, F.Grummer Description of the giant monopole resonance in the even-A 112-124Sn isotopes within a microscopic model including quasiparticle-phonon coupling NUCLEAR STRUCTURE 90Zr, 110,112,114,116,118,120,122,124,132Sn, 144Sm, 208Pb; calculated strength distribution, mean energies and widths of isoscalar giant-monopole resonances (ISGMR) using two microscopic models: quasiparticle random phase approximation (QRPA) and quasiparticle time blocking approximation (QTBA) with self-consistence scheme based on Hartree-Fock+Bardeen-Cooper-Schrieffer (HF+BCS) approximation and Skyrme energy functional. Comparison with experimental data.
doi: 10.1103/PhysRevC.79.034309
2008LY03 Eur.Phys.J. A 37, 381 (2008) N.Lyutorovich, J.Speth, A.Avdeenkov, F.Grummer, S.Kamerdzhiev, S.Krewald, V.I.Tselyaev Self-consistent calculations within the Green's function method including particle-phonon coupling and the single-particle continuum NUCLEAR STRUCTURE 132Sn, 208Pb; calculated levels, J, π, B(E1), GDR, photoabsorption σ, isoscalar/isovector quadrupole strength distributions using a quasiparticle time blocking approximation. Comparison with RPA and data.
doi: 10.1140/epja/i2008-10638-x
2007TE05 Phys.Lett. B 647, 104 (2007) G.Tertychny, V.Tselyaev, S.Kamerdzhiev, F.Grummer, S.Krewald, J.Speth, A.Avdeenkov, E.Litvinova Microscopic description of the low lying and high lying electric dipole strength in stable Ca isotopes NUCLEAR STRUCTURE 40,44,48Ca; calculated B(E1), electric dipole strength distribution, GDR. Extended theory of finite Fermi systems.
doi: 10.1016/j.physletb.2007.01.069
2007TE08 Nucl.Phys. A788, 159c (2007) G.Tertychny, V.Tselyaev, S.Kamerdzhiev, F.Grummer, S.Krewald, J.Speth, E.Litvinova, A.Avdeenkov Pygmy dipole resonance in stable Ca isotopes NUCLEAR STRUCTURE 40,44,48Ca; calculated B(E1), electric dipole strength distribution, transition densities. Extended theory of finite Fermi systems using RPA. Comparison with data.
doi: 10.1016/j.nuclphysa.2007.01.077
2007TS01 Phys.Rev. C 75, 014315 (2007) V.Tselyaev, J.Speth, F.Grummer, S.Krewald, A.Avdeenkov, E.Litvinova, G.Tertychny Extended theory of finite Fermi systems: Application to the collective and noncollective E1 strength in 208Pb NUCLEAR STRUCTURE 208Pb; calculated levels, J, π, E1 strength distribution, transition densities. Extended theory of finite Fermi systems.
doi: 10.1103/PhysRevC.75.014315
2006GR12 J.Phys.(London) G32, R193 (2006) Landau-Migdal theory of interacting Fermi systems: a framework for effective theories in nuclear structure physics NUCLEAR STRUCTURE 48Ca, 132Sn, 208Pb; calculated photoabsorption σ. Extended theory of finite Fermi systems. NUCLEAR REACTIONS 58Ni(α, α'), E=240 MeV; calculated σ(E, θ), resonance contributions. Extended theory of finite Fermi systems.
doi: 10.1088/0954-3899/32/7/R01
2004GA14 Phys.Rev. C 69, 034006 (2004) A.Gasparyan, J.Haidenbauer, C.Hanhart, J.Speth How to extract the ΛN scattering length from production reactions NUCLEAR REACTIONS 1H(p, K+X), E=2.3 GeV; analyzed missing mass spectrum; deduced hyperon-nucleon scattering length.
doi: 10.1103/PhysRevC.69.034006
2004HA62 Fizika(Zagreb) B 13, 37 (2004) J.Haidenbauer, V.Baru, A.M.Gasparyan, C.Hanhart, J.Speth Eta meson production in NN collisions NUCLEAR REACTIONS 1H(p, pX), (n, nX), E ≈ threshold; calculated η meson production σ, invariant mass spectra. Comparisons with data.
2004KA11 Phys.Rep. 393, 1 (2004) S.Kamerdzhiev, J.Speth, G.Tertychny Extended theory of finite Fermi systems: collective vibrations in closed shell nuclei
doi: 10.1016/j.physrep.2003.11.001
2003BA14 Phys.Rev. C 67, 024002 (2003) V.Baru, A.M.Gasparyan, J.Haidenbauer, C.Hanhart, A.E.Kudryavtsev, J.Speth Production of η mesons in nucleon-nucleon collisions NUCLEAR REACTIONS 1H(p, pX), (n, nX), (n, dX), E ≈ threshold; calculated η production σ. Microscopic calculation, comparisons with data.
doi: 10.1103/PhysRevC.67.024002
2003BA95 Nucl.Phys. A721, 727c (2003) V.Baru, A.M.Gasparyan, J.Haidenbauer, C.Hanhart, A.E.Kudryavtsev, J.Speth Production of η mesons in nucleon-nucleon collisions NUCLEAR REACTIONS 1n, 1H(p, pX), 1n(p, dX), E ≈ threshold; calculated η meson production σ. Comparisons with data.
doi: 10.1016/S0375-9474(03)01167-9
2003GA35 Phys.Rev. C 68, 045207 (2003) A.M.Gasparyan, J.Haidenbauer, C.Hanhart, J.Speth Pion-nucleon scattering in a meson-exchange model NUCLEAR REACTIONS 1n, 1H(π, π), E(cm)=1.1-1.9 GeV; calculated phase shifts, inelasticities. 1H(π-, nX), E(cm)=1400-1900 MeV; calculated η meson production σ, σ(θ). Meson exchange model, comparisons with data.
doi: 10.1103/PhysRevC.68.045207
2003KU27 Yad.Fiz. 66, 1994 (2003); Phys.Atomic Nuclei 66, 1946 (2003) A.E.Kudryavtsev, V.E.Tarasov, J.Haidenbauer, C.Hanhart, J.Speth Angular Asymmetries in the Reactions p(pol)p → dπ+η and p(pol)n → dπ0η and a0-f0 Mixing NUCLEAR REACTIONS 1H(polarized p, dπ+X), E=2.65 GeV; 1n(polarized p, dπ0X), E not given; calculated η-meson production associated σ(θ), polarization observables, nonresonant contributions.
doi: 10.1134/1.1619506
2003NA28 Phys.Rev. C 68, 045201 (2003) K.Nakayama, J.Haidenbauer, C.Hanhart, J.Speth Analysis of the reaction pp → ppη near threshold NUCLEAR REACTIONS 1H(p, p'X), E ≈ threshold; analyzed η meson production associated invariant mass spectra, σ, σ(θ), Ay(θ); deduced partial wave amplitudes, resonance features.
doi: 10.1103/PhysRevC.68.045201
2003SA56 Eur.Phys.J. A 18, 197 (2003) F.P.Sassen, S.Krewald, J.Speth t-dependence of pion production in π-p → π0π0n NUCLEAR REACTIONS 1H(π-, 2π0), E not given; analyzed data; deduced form factors, possible role of kaon-antikaon molecular state.
doi: 10.1140/epja/i2002-10306-3
2003SC37 Eur.Phys.J. A 18, 421 (2003) S.Schneider, A.Sibirtsev, Ch.Elster, J.Haidenbauer, S.Krewald, J.Speth ηN final-state interaction in incoherent photoproduction of η-mesons from the deuteron NUCLEAR REACTIONS 2H(γ, X), E=630-681 MeV; calculated η-meson production σ, σ(θ), final-state interaction effects.
doi: 10.1140/epja/i2002-10250-2
2003SP03 Nucl.Phys. A721, 679c (2003) J.Speth, F.P.Sassen, S.Krewald Meson-Production and the Structure of Scalar Mesons
doi: 10.1016/S0375-9474(03)01151-5
2003SZ03 Nucl.Phys. A728, 182 (2003) Perturbative QCD versus pion exchange and hadronic FSI effects in the γγ → π+π- reaction
doi: 10.1016/j.nuclphysa.2003.08.018
2003SZ06 Eur.Phys.J. A 18, 445 (2003) Perturbative versus nonperturbative effects at medium energies in the γγ → π+π- reaction
doi: 10.1140/epja/i2002-10256-8
2002BU01 Phys.Rev. C65, 014603 (2002) M.Buscher, B.L.Ioffe, V.Koptev, M.Nekipelov, A.Sibirtsev, K.Sistemich, J.Speth, H.Stroher Phenomenological Analysis of K+-Meson Production in Proton-Nucleus Collisions NUCLEAR REACTIONS C, Na, F, Pb(p, K+X), E=0.8-2.9 GeV; analyzed kaon production σ, σ(θ).
doi: 10.1103/PhysRevC.65.014603
2002CA45 Phys.Rev. C66, 044006 (2002) G.Caia, J.W.Durso, Ch.Elster, J.Haidenbauer, A.Sibirtsev, J.Speth Pseudovector vs pseudoscalar coupling in one-boson exchange NN potentials NUCLEAR STRUCTURE 2H; calculated binding energy, quadrupole moment, related quantities. Several models compared, comparison with data.
doi: 10.1103/PhysRevC.66.044006
2002KU29 Phys.Rev. C66, 015207 (2002) A.E.Kudryavtsev, V.E.Tarasov, J.Haidenbauer, C.Hanhart, J.Speth Aspects of a0-f0 Mixing in the Reaction p(pol)n → da0 NUCLEAR REACTIONS 1n(polarized p, dX), E at 2645 MeV/c; calculated scalar meson production associated invariant mass spectra, role of mixing effects.
doi: 10.1103/PhysRevC.66.015207
2002NA11 Phys.Rev. C65, 045210 (2002) K.Nakayama, J.Speth, T.-S.H.Lee η Meson Production in NN Collisions NUCLEAR REACTIONS 1H(p, X), (n, X), E ≈ threshold; calculated η meson production σ, σ(θ), Ay(θ). Relativistic meson exchange model, comparison with data.
doi: 10.1103/PhysRevC.65.045210
2002SI08 Phys.Rev. C65, 044007 (2002) A.Sibirtsev, S.Schneider, Ch.Elster, J.Haidenbauer, S.Krewald, J.Speth ηN Final State Interaction in Incoherent Photoproduction of η Mesons from the Deuteron Near Threshold NUCLEAR REACTIONS 2H(γ, X), E=620-800 MeV; calculated η meson production σ; deduced role of final state interactions. Comparison with data.
doi: 10.1103/PhysRevC.65.044007
2002SI14 Phys.Rev. C65, 067002 (2002) A.Sibirtsev, S.Schneider, Ch.Elster, J.Haidenbauer, S.Krewald, J.Speth Incoherent η Photoproduction from the Deuteron Near Threshold NUCLEAR REACTIONS 2H(γ, npX), E=620-680 MeV; calculated η meson photoproduction σ, σ(θ). Impulse approximation plus corrections, comparison with data.
doi: 10.1103/PhysRevC.65.067002
2002SZ07 Phys.Rev. C 66, 055206 (2002) A.Szczurek, N.N.Nikolaev, J.Speth From soft to hard regime in elastic pion-pion scattering above resonances
doi: 10.1103/PhysRevC.66.055206
2001BA38 Yad.Fiz. 64, No 3, 633 (2001); Phys.Atomic Nuclei 64, 579 (2001) V.V.Baru, A.M.Gasparian, J.Haidenbauer, A.E.Kudryavtsev, J.Speth On the Migdal-Watson Approach to FSI Effects in Meson Production in NN Collisions NUCLEAR REACTIONS 1H(p, pX), E ≈ threshold; calculated meson production associated final state interaction form factors. Migdal-Watson approach.
doi: 10.1134/1.1358484
2001GA30 Nucl.Phys. A684, 397c (2001) A.M.Gasparian, J.Haidenbauer, C.Hanhart, L.Kondratyuk, J.Speth Near Threshold Λ and Σ Production in pp Collisions NUCLEAR REACTIONS 1H(p, K+X), E ≈ threshold; calculated Λ and Σ hyperon production σ. Comparison with data.
doi: 10.1016/S0375-9474(01)00407-9
2001NA03 Phys.Rev. C63, 015201 (2001) K.Nakayama, J.Haidenbauer, J.Speth The Reactions pn → dω and pn → dφ Near Threshold NUCLEAR REACTIONS 1H(n, dX), E ≈ threshold; calculated ω, φ meson production σ, σ(θ). Relativistic meson-exchange model.
doi: 10.1103/PhysRevC.63.015201
2001NA25 Nucl.Phys. A689, 402c (2001) K.Nakayama, J.Haidenbauer, J.Speth The Reactions pn → dω and pn → d0 and the Role of the OZI Rule NUCLEAR REACTIONS 1H(n, X), E ≈ threshold; calculated φ, ω meson production σ. Relativistic meson-exchange model.
doi: 10.1016/S0375-9474(01)00865-X
2001SI28 Phys.Rev. C64, 024006 (2001) A.Sibirtsev, Ch.Elster, J.Haidenbauer, J.Speth Incoherent Photoproduction of η Mesons from the Deuteron Near Threshold NUCLEAR REACTIONS 1H(γ, X), E =700-800 MeV; 2H(γ, npX), E=620-800 MeV; calculated η meson production σ, σ(E); deduced final state interaction effects, other reaction mechanism features. Comparison with data.
doi: 10.1103/PhysRevC.64.024006
2001SP01 Nucl.Phys. A680, 328c (2001) J.Speth, O.Krehl, S.Krewald, C.Hanhart The Structure of the Roper Resonance
doi: 10.1016/S0375-9474(00)00438-3
2001SZ01 Phys.Lett. 500B, 254 (2001) A.Szczurek, N.N.Nikolaev, W.Schafer, J.Speth Mapping the Proton Unintegrated Gluon Distribution in Dijets Correlations in Real and Virtual Photoproduction at HERA NUCLEAR REACTIONS 1H(γ, X), E=high; calculated dijet production σ(φ), azimuthal correlations vs Bjorken-x, Q2, transverse momenta, dependence on proton gluon distribution.
doi: 10.1016/S0370-2693(01)00084-3
2001SZ04 Phys.Rev. D63, 114005 (2001) A.Szczurek, V.Uleshchenko, J.Speth (d-bar)-(u-bar) Asymmetry and Semi-Inclusive Production of Pions in Deep Inelastic Scattering NUCLEAR REACTIONS 1H(γ, X), E=high; analyzed pion production data; deduced implications for quark asymmetry determination.
doi: 10.1103/PhysRevD.63.114005
2001WA13 Nucl.Phys. A684, 429c (2001) A Meson-Theoretical Explanation of the f0(980) Production Puzzle in the Reaction π-p → π0π0n
doi: 10.1016/S0375-9474(01)00448-1
2001WA22 Yad.Fiz. 64, No 4, 750 (2001); Phys.Atomic Nuclei 64, 691 (2001) A Meson-Theoretical Explanation of the f0 (980)-Production Puzzle in the Reaction π-p → π0π0n NUCLEAR REACTIONS 1H(π-, 2π0), E at 18.3, 38 GeV/c; analyzed partial wave amplitudes; deduced meson dynamics effects.
doi: 10.1134/1.1368225
2000BA92 Acta Phys.Pol. B31, 2127 (2000) V.Baru, A.M.Gasparian, J.Haidenbauer, A.E.Kudryavtsev, J.Speth FSI Effects in Meson Production in NN Collisions
2000BE23 Nucl.Phys. A673, 241 (2000) O.Benhar, N.N.Nikolaev, J.Speth, A.A.Usmani, B.G.Zakharov Final State Interactions in 4He(e, e'p)3H at Large Proton Energy NUCLEAR REACTIONS 4He(e, e'p), E not given; calculated missing momentum distributions for large proton energy; deduced final state interaction effects, role of color transparency. Eikonal approximation.
doi: 10.1016/S0375-9474(00)00126-3
2000GA21 Phys.Lett. 480B, 273 (2000) A.M.Gasparian, J.Haidenbauer, C.Hanhart, L.Kondratyuk, J.Speth The Reactions pp → pΛK+ and pp → pΣ0K+ Near Their Thresholds NUCLEAR REACTIONS 1H(p, K+X), E ≈ threshold; calculated hyperon associated production σ; deduced reaction mechanism features. Comparisons with data.
doi: 10.1016/S0370-2693(00)00412-3
2000GR04 Phys.Lett. 475B, 9 (2000) V.Yu.Grishina, L.A.Kondratyuk, M.Buscher, J.Haidenbauer, C.Hanhart, J.Speth η- and η'-Meson Production in the Reaction pn → dM Near Threshold NUCLEAR REACTIONS 1n(p, dX), E ≈ threshold; calculated η, η' production associated σ; deduced meson exchange contributions. Two-step model, comparisons with data.
doi: 10.1016/S0370-2693(00)00048-4
2000HA21 Nucl.Phys. A663-664, 461c (2000) C.Hanhart, J.Haidenbauer, O.Krehl, J.Speth Polarization Phenomena in a Dynamical Model of NN → NNπ NUCLEAR REACTIONS 1H(p, pπ0), (p, pπ+), E not given; calculated spin correlation parameters. Comparisons with data.
doi: 10.1016/S0375-9474(99)00631-4
2000HA22 Nucl.Phys. A663-664, 549c (2000) J.Haidenbauer, W.Melnitchouk, J.Speth Meson-Exchange Model for the YN Interaction
doi: 10.1016/S0375-9474(99)00653-3
2000HA30 Phys.Rev. C61, 064008 (2000) C.Hanhart, J.Haidenbauer, O.Krehl, J.Speth Polarization Phenomena in the Reaction NN → NNπ Near Threshold NUCLEAR REACTIONS 1H(p, pπ0), (p, nπ+), (p, π+), E ≈ threshold; calculated spin correlation parameters; deduced resonant and nonresonant contributions. Comparisons with data.
doi: 10.1103/PhysRevC.61.064008
2000KA22 Eur.Phys.J. A 7, 483 (2000) S.Kamerdzhiev, J.Speth, G.Tertychny Microscopic Analysis of the Breathing Mode in 40Ca and 58Ni NUCLEAR REACTIONS 40Ca, 58Ni(α, α'), E=240 MeV; analyzed isoscalar monopole resonance transition densities. Microscopic model.
doi: 10.1007/s100500050421
2000KR11 Phys.Rev. C62, 025207 (2000) O.Krehl, C.Hanhart, S.Krewald, J.Speth What is the Structure of the Roper Resonance ?
doi: 10.1103/PhysRevC.62.025207
2000NA02 Phys.Rev. C61, 024001 (2000) K.Nakayama, H.F.Arellano, J.W.Durso, J.Speth η' Meson Production in Proton-Proton Collisions NUCLEAR REACTIONS 1H(p, pX), E ≈ threshold; calculated pion, η-, η'-meson production σ; deduced contributions. Relativistic meson exchange model. Comparisons with data.
doi: 10.1103/PhysRevC.61.024001
2000NI01 Phys.Lett. 473B, 157 (2000) N.N.Nikolaev, J.Speth, V.R.Zoller The Color Dipole BFKL-Regge Expansion: From DIS on protons to pions to rise of hadronic cross sections NUCLEAR REACTIONS 1H(p, X), (p-bar, X), (γ, X), (π+, X), (π-, X), E=high; calculated total σ; deduced small-x structure function contributions.
doi: 10.1016/S0370-2693(99)01474-4
2000NI09 Yad.Fiz. 63, No 8, 1543 (2000); Phys.Atomic Nuclei 63, 1463 (2000) N.N.Nikolaev, J.Speth, B.G.Zakharov Nuclear-Medium Modification of the ρ0(1S) and ρ'(2S) Mesons in Coherent Photo- and Electroproduction: Coupled-channel analysis NUCLEAR REACTIONS 9Be, 56Fe, 207Pb(γ, X), E=2, 5, 10, 20 GeV; calculated ρ meson associated dilepton mass spectra for real and virtual photoproduction; deduced nuclear medium modification features.
doi: 10.1134/1.1307468
2000SC40 Acta Phys.Pol. B31, 2511 (2000) W.Schafer, N.Nikolaev, J.Speth, A.Szczurek Inclusive Production of Forward Neutrons and the Pionic Content of the Nucleon NUCLEAR REACTIONS 1H(p, nX), E(cm)=30-63 GeV; calculated σ(E, θ), pion exchange contributions. Comparison with data.
1999BB14 Eur.Phys.J. A 6, 445 (1999) V.Baru, J.Haidenbauer, C.Hanhart, A.Kudryavtsev, P.Moskal, J.Speth On Production of η' Mesons in pp Collisions Close to Threshold NUCLEAR REACTIONS 1H(p, p'X), E ≈ threshold; analyzed η' meson production σ; deduced role of η'p final state interaction.
doi: 10.1007/s100500050368
1999BO50 Phys.Rev. C60, 055212 (1999) R.Bockmann, C.Hanhart, O.Krehl, S.Krewald, J.Speth πNN Vertex Function in a Meson-Theoretical Model
doi: 10.1103/PhysRevC.60.055212
1999KR21 Phys.Rev. C60, 055206 (1999) O.Krehl, C.Hanhart, S.Krewald, J.Speth What Does ' ρ Exchange ' in πN Scattering Mean ?
doi: 10.1103/PhysRevC.60.055206
1999NA38 Phys.Rev. C60, 055209 (1999) K.Nakayama, J.W.Durso, J.Haidenbauer, C.Hanhart, J.Speth φ-Meson Production in Proton-Proton Collisions NUCLEAR REACTIONS 1H(p, pX), E=2.85 MeV; calculated φ-meson production associated σ(θ); deduced reaction mechanism features. Relativistic meson-exchange model. Comparisons with data.
doi: 10.1103/PhysRevC.60.055209
1999NI01 Phys.Rev. D60, 014004 (1999) N.N.Nikolaev, W.Schafer, A.Szczurek, J.Speth Do the E866 Drell-Yan Data Change Our Picture of the Chiral Structure of the Nucleon ? NUCLEAR REACTIONS 1H(p, X), E=high; analyzed data. 1H deduced structure function asymmetry mechanism, related features.
doi: 10.1103/PhysRevD.60.014004
1999RA08 Phys.Rev. C59, R1237 (1999) R.Rapp, J.W.Durso, Z.Aouissat, G.Chanfray, O.Krehl, P.Schuck, J.Speth, J.Wambach Enhancement of πA → ππA Threshold Cross Sections by In-Medium ππ Final State Interactions NUCLEAR REACTIONS 2H, 40Ca(π+, π+π-), (π+, 2π+), E=282.7 MeV; calculated two-pion invariant mass spectra; deduced two-pion final state interaction medium modifications, related features. Comparison with data.
doi: 10.1103/PhysRevC.59.R1237
1998HA13 Nucl.Phys. A629, 111c (1998) Meson-Meson and Meson-Nucleon Scattering and the Structure of Hadrons
doi: 10.1016/S0375-9474(97)00674-X
1998HA18 Nucl.Phys. A631, 515c (1998) C.Hanhart, J.Haidenbauer, J.Speth Threshold Pion Production in Nucleon-Nucleon Collisions NUCLEAR REACTIONS 1H(p, pπ0), 1n(p, dπ0), E not given; calculated σ; deduced rescattering contributions. Comparison with data.
doi: 10.1016/S0375-9474(98)00058-X
1998HA25 Phys.Lett. 424B, 8 (1998) C.Hanhart, J.Haidenbauer, M.Hoffmann, Ulf.-G.Meissner, J.Speth The Reactions pp → ppπ0 and pp → dπ+ at Threshold: The role of the isoscalar πN scattering amplitude NUCLEAR REACTIONS 1H(p, pπ0), (p, π+), E ≈ threshold; calculated phase shifts, total σ; deduced role of isoscalar scattering amplitude. Chiral perturbation theory, semi-phenomenological boson exchange model. Comparison with data.
doi: 10.1016/S0370-2693(98)00216-0
1998HA61 Phys.Lett. 444B, 25 (1998) C.Hanhart, J.Haidenbauer, O.Krehl, J.Speth Role of the Δ Isobar in the Reaction NN → NNπ Near Threshold NUCLEAR REACTIONS 1H(polarized p, nπ+), (polarized p, π+), (polarized p, pπ0), (n, pπ-), E ≈ threshold; calculated total σ, Ay(θ), other polarization observables; deduced Δ isobar role. Comparison with data.
doi: 10.1016/S0370-2693(98)01385-9
1998HA63 Acta Phys.Pol. B29, 3047 (1998) C.Hanhart, J.Haidenbauer, J.Speth Pion Production in Proton-Proton Collisions NUCLEAR REACTIONS 1H(p, pπ0), (p, nπ+), (p, π+), E not given; calculated pion production σ; deduced Δ contribution. Comparison with data.
1998KA44 Acta Phys.Pol. B29, 2231 (1998) S.Kamerdzhiev, J.Speth, G.Tertychny Effects of the Quasiparticle-Phonon Interaction in Magic and Non-Magic Nuclei NUCLEAR REACTIONS 40Ca, 58Ni(α, α'), E=240 MeV; analyzed E0 resonance strength distributions; deduced quasiparticle-phonon interaction role.
1998KR17 Acta Phys.Pol. B29, 2477 (1998) The Structure of Baryon Resonances in πN Scattering
1998KR27 Acta Phys.Pol. B29, 3073 (1998) πN → ηN Cross Sections and the Influence of Baryonic Resonances
1998ME26 Phys.Rev. D59, 014033 (1998) W.Melnitchouk, J.Speth, A.W.Thomas Dynamics of Light Antiquarks in the Proton NUCLEAR REACTIONS 1,2H(p, X), E=high; analyzed data; deduced x-dependence of antiquark distributions asymmetry.
doi: 10.1103/PhysRevD.59.014033
1998NA11 Phys.Rev. C57, 1580 (1998) K.Nakayama, A.Szczurek, C.Hanhart, J.Haidenbauer, J.Speth Production of ω Mesons in Proton-Proton Collisions NUCLEAR REACTIONS 1H(p, p'X), E=1890-2200 MeV; calculated ω-meson σ(θ), production σ; deduced off-shell effects. Comparison with data. Meson exchange model.
doi: 10.1103/PhysRevC.57.1580
1998NA31 Acta Phys.Pol. B29, 2519 (1998) K.Nakayama, S.Krewald, J.Speth Possible Role of the ρN Coupling in Pion Photo-Production
1998SC04 Phys.Rev. C57, 1464 (1998) C.Schutz, J.Haidenbauer, J.Speth, J.W.Durso Extended Coupled Channels Model for πN Scattering and the Structure of N(*)(1440) and N(*)(1535)
doi: 10.1103/PhysRevC.57.1464
1998SZ03 Phys.Lett. 428B, 383 (1998) A.Szczurek, N.N.Nikolaev, J.Speth Leading Proton Spectrum from DIS at HERA NUCLEAR REACTIONS 1H(e, e'pX), E=high; calculated proton spectrum contributions; deduced reaction mechanism features.
doi: 10.1016/S0370-2693(98)00444-4
1997DZ01 Phys.Lett. 401B, 321 (1997) Z.Dziembowski, H.Holtmann, A.Szczurek, J.Speth Transition from Meson to Quark Dynamics in the Nucleon Form Factors NUCLEAR STRUCTURE 1H, 1n; calculated electromagnetic form factors, μ, rms radii.
doi: 10.1016/S0370-2693(97)00398-5
1997DZ03 Ann.Phys.(New York) 258, 1 (1997) Z.Dziembowski, H.Holtmann, A.Szczurek, J.Speth Pionic Corrections to Nucleon Electromagnetic Properties in a Light-Cone Framework NUCLEAR STRUCTURE 1n, 1H; calculated form factors, radii. Pion cloud model, relativistic calculations.
doi: 10.1006/aphy.1997.5693
1997KA57 Nucl.Phys. A624, 328 (1997) S.Kamerdzhiev, J.Speth, G.Tertychny Microscopic Description of the E0, E2 and E1 Giant Resonances in 40Ca, 48Ca and 56Ni NUCLEAR STRUCTURE 40,48Ca, 56Ni; calculated E0, E1, E2 giant resonances, strength functions, E1 transition densities; deduced ground-state correlations role. Continuum RPA, particle-hole-phonon coupling.
doi: 10.1016/S0375-9474(97)00315-1
1997KH10 Z.Phys. A359, 191 (1997) M.Kh.Khankhasayev, A.Szczurek, J.Speth On Mesonic Interference Phenomena in Deep Inelastic Scattering
doi: 10.1007/s002180050386
1997KR02 Phys.Lett. 390B, 23 (1997) Meson-Meson Scattering: K(K-bar)-Thresholds and f0(980)-a0(980) Mixing
doi: 10.1016/S0370-2693(96)01425-6
1997KR09 Nucl.Phys. A623, 162c (1997) Quasi Bound States from T-Channel Exchange
doi: 10.1016/S0375-9474(97)00435-1
1997SP06 Z.Phys. C75, 717 (1997) ωNN Vertex Function and the γπππ Anomaly
doi: 10.1007/s002880050518
1997SZ05 Nucl.Phys. A624, 495 (1997) A.Szczurek, V.Uleshchenko, H.Holtmann, J.Speth Production of the W and Z Bosons in the Nucleon-(Anti)Nucleon Collisions and the Meson Cloud in the Nucleon NUCLEAR REACTIONS 1H(p, X), (p-bar, X), E=high; analyzed W, Z boson production, lepton asymmetries, other observables; deduced meson cloud effect.
doi: 10.1016/S0375-9474(97)00356-4
1996BE66 Z.Phys. A355, 267 (1996) O.Benhar, S.Fantoni, N.N.Nikolaev, J.Speth, A.A.Usmani, B.G.Zakharov Glauber Theory of Initial- and Final-State Interactions in (p, 2p) Scattering NUCLEAR REACTIONS 27Al(p, 2p), E at 6-12 GeV/c; 16O, 40Ca(p, 2p), E at 6, 12 GeV/c; calculated nuclear transparency vs missing momentum x-, y-compenents; analyzed data. Quasielastic scattering, initial, final states Glauber theory description.
doi: 10.1007/s002180050109
1996BF01 Zh.Eksp.Teor.Fiz. 110, 1933 (1996); J.Exper.Theo.Phys. 83, 1063 (1996) O.Benhar, S.Fantoni, N.N.Nikolaev, J.Speth, A.A.Usmani, B.G.Zakharov On the Missing-Momentum Dependence of the Color-Transparency Effects in (e, e'p) Scattering NUCLEAR REACTIONS 16O, 40Ca(e, e'p), E not given; calculated nuclear transparency, missing momentum distribution in parallel, transverse kinematics; deduced non-vanishing off diagonal incoherent rescattering contribution. Coupled-channel multiple-scattering theory.
1996HA48 Acta Phys.Pol. B27, 2893 (1996) J.Haidenbauer, Ch.Hanhart, J.Speth Threshold Meson Production in Nucleon-Nucleon Collisions
1996HO02 Nucl.Phys. A596, 631 (1996) H.Holtmann, A.Szczurek, J.Speth Flavour and Spin of the Proton and the Meson Cloud NUCLEAR REACTIONS 1H(p, X), E=high; calculated Λ-, n-, Δ++-production differential σ.
doi: 10.1016/0375-9474(95)00448-3
1996HO04 Z.Phys. A353, 411 (1996) H.Holtmann, N.N.Nikolaev, J.Speth, A.Szczurek Pion Content of the Nucleon as Seen in the NA51 Drell-Yan Experiment
doi: 10.1007/BF01285152
1996JA22 Phys.Rev. C54, 2218 (1996) πρ Correlations in the NN Potential NUCLEAR REACTIONS 1H(n, n), E ≤ 300 MeV; calculated phase shifts. Correlated πρ-exchange in NN-interaction. NUCLEAR STRUCTURE 2H; calculated binding energy, D-state probability, quadrupole moment, D- to S-state asymptotic ratio.
doi: 10.1103/PhysRevC.54.2218
1996KA09 Nucl.Phys. A599, 373c (1996) Distribution of Giant Resonance Strength in Stable and Unstable Nuclei NUCLEAR REACTIONS 208Pb(γ, X), E ≤ 40 MeV; compiled, reviewed calculations of giant resonance photoabsorption σ(E). 208Pb(γ, n), E ≤ 22 MeV; calculated σ(E). Microscopic theory. NUCLEAR STRUCTURE 48,40Ca, 56,78Ni, 100,132Sn, 208Pb; compiled, reviewed calculations of B(M1).
doi: 10.1016/0375-9474(96)00080-2
1996MA42 Nucl.Phys. A606, 41 (1996) M.Macfarlane, J.Speth, D.Zawischa The Orbital Magnetic Dipole Response of Nonspherical Nuclei NUCLEAR REACTIONS 156Gd(e, e'), E=30 MeV; 162Dy(γ, γ'), E not given; 238U(p, p'), E not given; analyzed data, analyses; deduced orbital M1 response related features.
doi: 10.1016/0375-9474(96)00201-1
1996MA45 Nucl.Phys. A608, 305 (1996) Z.-Y.Ma, J.Speth, S.Krewald, B.-Q.Chen, A.Reuber Hypernuclei with Meson-Exchange Hyperon-Nucleon Interactions NUCLEAR STRUCTURE A=12-208; calculated Λ hypernuclei single particle levels, other aspects. Relativistic mean field theory.
doi: 10.1016/S0375-9474(96)00169-8
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