NSR Query Results
Output year order : Descending NSR database version of April 24, 2024. Search: Author = L.Tiator Found 112 matches. Showing 1 to 100. [Next]2022SV02 Phys.Rev. C 105, 024614 (2022) A.Svarc, Y.Wunderlich, L.Tiator Application of the single-channel, single-energy amplitude and partial-wave analysis method to K+Λ photoproduction NUCLEAR REACTIONS 1H(γ, K+Λ), E(cm)=1625-2296 MeV; analyzed σ(θ) from CLAS(2006BR06, 2010MC02, 2016PA25) and GRAAL (2007LL01); deduced photoproduction multipoles. Amplitude and partial-wave analysis (AA-PWA).
doi: 10.1103/PhysRevC.105.024614
2021OS03 Phys.Rev. C 104, 034605 (2021) H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, V.Kashevarov, M.Ostrick, L.Tiator, A.Svarc Single-energy partial-wave analysis for pion photoproduction with fixed-t analyticity NUCLEAR REACTIONS 1H(polarized γ, π0p), (polarized γ, π+n), 1n(polarized γ, π-p), (polarized γ, π0n), W<2.2 GeV; analyzed experimental world collection of data from several laboratories; deduced helicity amplitudes, polarization observables, electric and magnetic isoscalar and isovector multipoles for different isospins using fixed-t analyticity constraining method for single-energy partial wave analysis (SE PWA) in pion photoproduction. Compiled experimental world data for π0p, π+n and π-p channels from experiments at A2MAMI, CLAS, CBELSA/TAPS
doi: 10.1103/PhysRevC.104.034605
2020KL02 Eur.Phys.J. A 56, 261 (2020) E.Klempt, V.Burkert, U.Thoma, L.Tiator, R.Workman, for the Baryon at PDG Collaboration Λ and Σ Excitations and the Quark Model
doi: 10.1140/epja/s10050-020-00261-2
2020SV01 Phys.Rev. C 102, 064609 (2020) A.Svarc, Y.Wunderlich, L.Tiator Amplitude- and truncated partial-wave analyses combined: A single-channel method for extracting photoproduction multipoles directly from measured data NUCLEAR REACTIONS 1H(polarized γ, ηp), (polarized γ, π0p), E=710-1470 MeV; analyzed experimental σ(θ, E) data from CBELSA/TAPS (2020, PL-B 803, 135323), A2@MAMI (2016An07), GRAAL (2007Ba67), and A2@MAMI (2010Mc05) collaborations for photoproduction of mesons; deduced photoproduction multipoles for partial waves directly from the experimental data by combining amplitude- and truncated partial-wave analyses.
doi: 10.1103/PhysRevC.102.064609
2019OS04 Phys.Rev. C 100, 055203 (2019) H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, M.Gorchtein, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator, A.Svarc Single-energy partial wave analysis for π0 photoproduction on the proton with fixed-t analyticity imposed NUCLEAR REACTIONS 1H(γ, π0p), (polarized γ, π0p), E(cm)=1.07-1.9 GeV; analyzed experimental differential σ(E) data from A2@MAMI, DAPHNE, MAMI, CBELSA/TAPS and GRAAL collaborations; deduced electric and magnetic multipoles up to l=3. Fixed-t single energy partial-wave analysis (SE PWA) of π0 photoproduction on the world collection of data.
doi: 10.1103/PhysRevC.100.055203
2018HI03 Phys.Rev. C 97, 035205 (2018) M.Hilt, T.Bauer, S.Scherer, L.Tiator Nucleon-to-Δ transition form factors in chiral effective field theory using the complex-mass scheme
doi: 10.1103/PhysRevC.97.035205
2018OS01 Phys.Rev. C 97, 015207 (2018) H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator, A.Svarc Fixed-t analyticity as a constraint in single-energy partial-wave analyses of meson photoproduction reactions NUCLEAR REACTIONS 1H(γ, pη), E=1487-1850 MeV; analyzed differential σ(E, θ) for polarization observables experimental data at MAMI and GRAAL facilities using analytical constraints from fixed-t dispersion relations in partial wave analysis of η photoproduction data.
doi: 10.1103/PhysRevC.97.015207
2018SV01 Phys.Rev. C 97, 054611 (2018) A.Svarc, Y.Wunderlich, H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator, R.Workman Connection between angle-dependent phase ambiguities and the uniqueness of the partial-wave decomposition
doi: 10.1103/PhysRevC.97.054611
2018SV03 Phys.Rev. C 98, 045206 (2018) A.Svarc, H.Osmanovic, M.Hadzimehmedovic, R.Omerovic, J.Stahov, M.Gorchteyn, V.Kashevarov, K.Nikonov, M.Ostrick, L.Tiator Role of angle-dependent phase rotations of reaction amplitudes in η photoproduction on protons NUCLEAR REACTIONS 1H(γ, η), E(cm)=1.5-2.0 GeV; calculated E0+η and all η photoproduction multipoles using Kent State University, Bonn-Gatchina, Julich-Bonn, and Mainz EtaMAID models, differential σ(θ) using partial wave analysis. Comparison with experimental data from MAMI and GRAAL collaborations.
doi: 10.1103/PhysRevC.98.045206
2018TI10 Eur.Phys.J. A 54, 210 (2018) L.Tiator, M.Gorchtein, V.L.Kashevarov, K.Nikonov, M.Ostrick, M.Hadzimehmedovic, R.Omerovic, H.Osmanovic, J.Stahov, A.Svarc Eta and etaprime photoproduction on the nucleon with the isobar model EtaMAID2018 NUCLEAR REACTIONS 1H(γ, η), (γ, η')1H, E ≈ 1-3 GeV;1n(γ, η)1n, E ≈ 1-3 GeV; calculated σ using EtaMAID2018 code (updated isobar model EtaMAID); compared with published experimental data.
doi: 10.1140/epja/i2018-12643-x
2017KA44 Phys.Rev. C 96, 035207 (2017) V.L.Kashevarov, M.Ostrick, L.Tiator Regge phenomenology in π0 and η photoproduction NUCLEAR REACTIONS 1H(γ, π0p), (γ, ηp), (polarized γ, π0p), (polarized γ, ηp), E=4-15 GeV; analyzed differential cross sections and polarization observables data from SLAC, GlueX-17, Daresbury, DESY, and CEA using two different Regge model approaches.
doi: 10.1103/PhysRevC.96.035207
2017TI06 Phys.Rev. C 96, 025210 (2017) L.Tiator, R.L.Workman, Y.Wunderlich, H.Haberzettl Amplitude reconstruction from complete electroproduction experiments and truncated partial-wave expansions
doi: 10.1103/PhysRevC.96.025210
2017WO01 Phys.Rev. C 95, 015206 (2017) R.L.Workman, L.Tiator, Y.Wunderlich, M.Doring, H.Haberzettl Amplitude reconstruction from complete photoproduction experiments and truncated partial-wave expansions
doi: 10.1103/PhysRevC.95.015206
2017WU12 Phys.Rev. C 96, 065202 (2017) Y.Wunderlich, A.Svarc, R.L.Workman, L.Tiator, R.Beck Toward an understanding of discrete ambiguities in truncated partial-wave analyses
doi: 10.1103/PhysRevC.96.065202
2016AN18 Eur.Phys.J. A 52, 284 (2016) A.V.Anisovich, R.Beck, M.Doring, M.Gottschall, J.Hartmann, V.Kashevarov, E.Klempt, Ulf-G.Meissner, V.Nikonov, M.Ostrick, D.Ronchen, A.Sarantsev, I.Strakovsky, A.Thiel, L.Tiator, U.Thoma, R.Workman, Y.Wunderlich The impact of new polarization data from Bonn, Mainz and Jefferson Laboratory on γp → πN multipoles NUCLEAR REACTIONS 1H(γ, π0), (γ, π+), E=147-219, 650-2200 MeV; analyzed published σ(θ), beam asymmetry, double polarization data; calculated σ(θ), beam asymmetry, double polarization using PWA (Partial-Wave Analysis) BnGa code, Juelich-Bonn DCC (Dynamical CC) model, MAID and SAID models; deduced photoproduction multipoles, partial waves real, imaginary parts, parameters.
doi: 10.1140/epja/i2016-16284-9
2016TI11 Phys.Rev. C 94, 065204 (2016) L.Tiator, M.Doring, R.L.Workman, M.Hadzimehmedovic, H.Osmanovic, R.Omerovic, J.Stahov, A.Svarc Baryon transition form factors at the pole
doi: 10.1103/PhysRevC.94.065204
2014BA26 Phys.Rev. C 90, 015201 (2014) Electromagnetic transition form factors of the Roper resonance in a phenomenological field theory
doi: 10.1103/PhysRevC.90.015201
2014SV02 Phys.Rev. C 89, 065208 (2014) A.Svarc, M.Hadzimehmedovic, H.Osmanovic, J.Stahov, L.Tiator, R.Workman Pole positions and residues from pion photoproduction using the Laurent-Pietarinen expansion method
doi: 10.1103/PhysRevC.89.065208
2014WU04 Phys.Rev. C 89, 055203 (2014) Y.Wunderlich, R.Beck, L.Tiator The complete-experiment problem of photoproduction of pseudoscalar mesons in a truncated partial-wave analysis
doi: 10.1103/PhysRevC.89.055203
2013HI02 Phys.Rev. C 87, 045204 (2013) Threshold π0 photoproduction in relativistic chiral perturbation theory
doi: 10.1103/PhysRevC.87.045204
2013HI11 Phys.Rev. C 88, 055207 (2013) M.Hilt, B.C.Lehnhart, S.Scherer, L.Tiator Pion photo- and electroproduction in relativistic baryon chiral perturbation theory and the chiral MAID interface
doi: 10.1103/PhysRevC.88.055207
2013SV02 Phys.Rev. C 88, 035206 (2013) A.Svarc, M.Hadzimehmedovic, H.Osmanovic, J.Stahov, L.Tiator, R.L.Workman Introducing the Pietarinen expansion method into the single-channel pole extraction problem
doi: 10.1103/PhysRevC.88.035206
2013WO03 Phys.Rev. C 87, 068201 (2013) R.L.Workman, L.Tiator, A.Sarantsev Baryon photo-decay amplitudes at the pole
doi: 10.1103/PhysRevC.87.068201
2011WO06 Eur.Phys.J. A 47, 143 (2011) R.L.Workman, M.W.Paris, W.J.Briscoe, L.Tiator, S.Schumann, M.Ostrick, S.S.Kamalov Model dependence of single-energy fits to pion photoproduction data NUCLEAR REACTIONS 1H(γ, π0), E=200-1200 MeV; calculated σ, σ(θ) using MAID with different γ multipolarities. Compared with data.
doi: 10.1140/epja/i2011-11143-y
2010TI08 Phys.Rev. C 82, 055203 (2010) L.Tiator, S.S.Kamalov, S.Ceci, G.Y.Chen, D.Drechsel, A.Svarc, S.Yang Singularity structure of the πN scattering amplitude in a meson-exchange model up to energies W≤2.0 GeV
doi: 10.1103/PhysRevC.82.055203
2009DI10 Eur.Phys.J. A 42, 151 (2009) R.Di Salvo, A.Fantini, G.Mandaglio, F.Mammoliti, O.Bartalini, V.Bellini, J.P.Bocquet, L.Casano, A.D'Angelo, J.P.Didelez, D.Franco, G.Gervino, F.Ghio, G.Giardina, B.Girolami, A.Giusa, M.Guidal, E.Hourany, R.Kunne, A.Lapik, P.Levi Sandri, A.Lleres, M.Manganaro, D.Moricciani, A.N.Mushkarenkov, V.Nedorezov, C.Randieri, D.Rebreyend, N.Rudnev, G.Russo, C.Schaerf, M.L.Sperduto, M.C.Sutera, A.Turinge, V.Vegna, A.Fix, S.S.Kamalov, L.Tiator Measurement of Σ beam asymmetry in π0 photoproduction off the neutron in the second and third resonances region
doi: 10.1140/epja/i2009-10870-x
2008CA12 Eur.Phys.J. A 35, 253 (2008) S.Capstick, A.Svarc, L.Tiator, J.Gegelia, M.M.Giannini, E.Santopinto, C.Hanhart, S.Scherer, T.-S.H.Lee, T.Sato, N.Suzuki The physical meaning of scattering matrix singularities in coupled-channel formalisms BRAG 2007 Workshop summary
doi: 10.1140/epja/i2007-10576-1
2008FI01 Eur.Phys.J. A 36, 61 (2008) Analysis of angular distributions in γN → π0ηN
doi: 10.1140/epja/i2007-10551-x
2007CH66 Phys.Rev. C 76, 035206 (2007) G.Y.Chen, S.S.Kamalov, S.N.Yang, D.Drechsel, L.Tiator Nucleon resonances in πN scattering up to energies √ s ≤ 2.0 GeV
doi: 10.1103/PhysRevC.76.035206
2007DR10 Eur.Phys.J. A 34, 69 (2007) D.Drechsel, S.S.Kamalov, L.Tiator Unitary isobar model - MAID2007
doi: 10.1140/epja/i2007-10490-6
2007FI12 Eur.Phys.J. A 32, 311 (2007) Photoproduction of η -mesons on the deuteron above S11(1535) in the presence of a narrow P11(1670) -resonance
doi: 10.1140/epja/i2007-10385-6
2007ME24 Phys.Rev.Lett. 99, 132301 (2007) H.Merkel, P.Achenbach, C.Ayerbe Gayoso, J.C.Bernauer, R.Bohm, D.Bosnar, B.Cheymol, M.O.Distler, L.Doria, H.Fonvieille, J.Friedrich, P.Janssens, M.Makek, U.Muller, L.Nungesser, J.Pochodzalla, M.Potokar, S.Sanchez Majos, B.S.Schlimme, S.Sirca, L.Tiator, Th.Walcher, M.Weinriefer, for the A1 Collaboration Recoil Polarization and Beam-Recoil Double Polarization Measurement of η Electroproduction on the Proton in the Region of the S11(1535) Resonance
doi: 10.1103/PhysRevLett.99.132301
2007PA46 Eur.Phys.J. A 34, 387 (2007) B.Pasquini, D.Drechsel, L.Tiator Invariant amplitudes for pion electroproduction
doi: 10.1140/epja/i2007-10510-7
2006EL02 Eur.Phys.J. A 27, 91 (2006) D.Elsner, A.Sule, P.Barneo, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, D.Bosnar, M.Ding, M.Distler, D.Drechsel, I.Ewald, J.Friedrich, J.M.Friedrich, S.Grozinger, P.Jennewein, S.Kamalov, F.H.Klein, M.Kohl, K.W.Krygier, H.Merkel, P.Merle, U.Muller, R.Neuhausen, Th.Pospischil, M.Potokar, G.Rosner, H.Schmieden, M.Seimetz, O.Strahle, L.Tiator, Th.Walcher, M.Weis Measurement of the LT-asymmetry in π0 electroproduction at the energy of the Δ(1232)-resonance NUCLEAR REACTIONS 1H(polarized e, e'π0), E=855 MeV; measured longitudinal-transverse asymmetry at forward and backward angles; deduced multipole ratios. Comparison with model predictions and other data.
doi: 10.1140/epja/i2005-10212-2
2006PA15 Eur.Phys.J. A 27, 231 (2006) B.Pasquini, D.Drechsel, L.Tiator Dispersion theory and the low-energy constants for neutral-pion photoproduction
doi: 10.1140/epja/i2006-10004-2
2005PA08 Eur.Phys.J. A 23, 279 (2005) B.Pasquini, D.Drechsel, L.Tiator The Fubini-Furlan-Rossetti sum rule revisited
doi: 10.1140/epja/i2004-10114-9
2004DR12 Ann.Rev.Nucl.Part.Sci. 54, 69 (2004) The Gerasimov-Drell-Hearn Sum Rule and the Spin Structure of the Nucleon
doi: 10.1146/annurev.nucl.54.070103.181159
2004GO50 Phys.Rev. C 70, 055202 (2004) M.Gorchtein, D.Drechsel, M.M.Giannini, E.Santopinto, L.Tiator Generalized sum rules of the nucleon in the constituent quark model NUCLEAR STRUCTURE 1n, 1H; calculated sum rules, polarizabilities. Hypercentral constituent quark model.
doi: 10.1103/PhysRevC.70.055202
2004TI01 Eur.Phys.J. A 19, Supplement 1, 55 (2004) L.Tiator, D.Drechsel, S.Kamalov, M.M.Giannini, E.Santopinto, A.Vassallo Electroproduction of nucleon resonances NUCLEAR REACTIONS 1H(e, π0X), E=high; analyzed data; deduced resonance production associated helicity amplitudes, Q2 dependence. Unitary isobar model.
doi: 10.1140/epjad/s2004-03-009-9
2004YA15 Nucl.Phys. A737, 248 (2004) S.N.Yang, F.-Y.Chen, S.S.Kamalov, D.Drechsel, L.Tiator Threshold π0 photo- and electro-production in a meson-exchange model NUCLEAR REACTIONS 1H(γ, π0), E ≈ threshold; calculated σ(θ). Meson-exchange dynamical model, comparison with data.
doi: 10.1016/j.nuclphysa.2004.03.085
2003CH41 Nucl.Phys. A723, 447 (2003) G.-Y.Chen, S.Kamalov, S.N.Yang, D.Drechsel, L.Tiator Excitation of S11 resonances in pion scattering and pion photoproduction on the proton NUCLEAR REACTIONS 1H(π, X), (γ, π), E not given; analyzed data; deduced resonance parameters. Coupled channels dynamical model.
doi: 10.1016/S0375-9474(03)01453-2
2003CH66 Phys.Rev. C 68, 045202 (2003) W.-T.Chiang, S.N.Yang, L.Tiator, M.Vanderhaeghen, D.Drechsel Reggeized model for η and η' photoproduction NUCLEAR REACTIONS 1H(γ, X), E ≈ 0.8-6 GeV; calculated η and η' production σ, σ(θ). Reggeized model, comparison with data.
doi: 10.1103/PhysRevC.68.045202
2003TI11 Eur.Phys.J. A 17, 357 (2003) L.Tiator, D.Drechsel, S.S.Kamalov, S.N.Yang Electromagnetic form factors of the Δ(1232) excitation NUCLEAR REACTIONS 1H(e, e'π0), E=high; analyzed data; deduced resonance form factors, related features.
doi: 10.1140/epja/i2002-10177-6
2003YA12 Nucl.Phys. A721, 401c (2003) S.N.Yang, G.-Y.Chen, S.S.Kamalov, D.Drechsel, L.Tiator Third and fourth S11 resonances in pion scattering and pion photoproduction
doi: 10.1016/S0375-9474(03)01080-7
2002BA34 Phys.Rev.Lett. 88, 142001 (2002) P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, K.Bohinc, D.Bosnar, M.Ding, M.Distler, D.Drechsel, D.Elsner, I.Ewald, J.Friedrich, J.M.Friedrich, S.Grozinger, S.Hedicke, P.Jennewein, M.Kahrau, S.S.Kamalov, F.Klein, K.W.Krygier, A.Liesenfeld, H.Merkel, P.Merle, U.Muller, R.Neuhausen, Th.Pospischil, M.Potokar, G.Rosner, H.Schmieden, M.Seimetz, A.Sule, L.Tiator, A.Wagner, Th.Walcher, M.Weis Measurement of the Beam-Helicity Asymmetry in the p(e(pol), e'p)π0 Reaction at the Energy of the Δ(1232) Resonance NUCLEAR REACTIONS 1H(polarized e, e'π0), (polarized e, e'pX), E=854.5 MeV; measured missing mass, beam-helicity asymmetry. Comparison with model predictions.
doi: 10.1103/PhysRevLett.88.142001
2002CH13 Nucl.Phys. A700, 429 (2002) W.-T.Chiang, S.N.Yang, L.Tiator, D.Drechsel An Isobar Model for η Photo- and Electroproduction on the Nucleon NUCLEAR REACTIONS 1H(γ, X), E=700-1150 MeV; 1H(e, e'X), E=high; calculated η meson production σ(θ), σ, asymmetry. Isobar model, comparisons with data.
doi: 10.1016/S0375-9474(01)01325-2
2002KA67 Phys.Rev. C 66, 065206 (2002) S.S.Kamalov, L.Tiator, D.Drechsel, R.A.Arndt, C.Bennhold, I.I.Strakovsky, R.L.Workman Dispersion relation analysis of neutral pion photoproduction and electroproduction at threshold NUCLEAR REACTIONS 1H(γ, π0), (e, e'π0), E ≈ threshold; analyzed data; deduced multipole contributions. Dispersion relation analysis.
doi: 10.1103/PhysRevC.66.065206
2002KO16 Phys.Lett. 530B, 67 (2002) M.Kohl, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, K.Bohinc, S.Derber, M.Ding, M.O.Distler, I.Ewald, J.Friedrich, J.M.Friedrich, P.Jennewein, M.Kahrau, S.S.Kamalov, A.Kozlov, K.W.Krygier, M.Kuss, A.Liesenfeld, H.Merkel, P.Merle, U.Muller, R.Neuhausen, Th.Pospischil, M.Potokar, C.Rangacharyulu, A.Richter, D.Rohe, G.Rosner, H.Schmieden, G.Schrieder, M.Seimetz, S.Sirca, T.Suda, L.Tiator, M.Urban, A.Wagner, Th.Walcher, J.Wambach, M.Weis, A.Wirzba Self Energies of the Pion and the Δ Isobar from the 3He(e, e'π+)3H Reaction NUCLEAR REACTIONS 3He(e, e'π+), E=855 MeV; measured σ(θ, E), longitudinal and transverse σ(θ); deduced reduction in π+ mass. Chiral Perturbation Theory.
doi: 10.1016/S0370-2693(02)01345-X
2001KA23 Nucl.Phys. A684, 321c (2001) S.S.Kamalov, D.Drechsel, O.Hanstein, L.Tiator, S.N.Yang Unitary Isobar (MAID) and Dynamical Models for Pion Electroproduction
doi: 10.1016/S0375-9474(01)00427-4
2001KA45 Phys.Rev. C64, 032201 (2001) S.S.Kamalov, S.N.Yang, D.Drechsel, O.Hanstein, L.Tiator γ*N → Δ Transition Form Factors: A new analysis of data on p(e, e'p)π0 at Q2 = 2.8 and 4.0 (GeV/c)2 NUCLEAR REACTIONS 1H(e, e'π0), E=high; analyzed σ(E, θ), related data; deduced helicity amplitudes, Δ resonance production form factors.
doi: 10.1103/PhysRevC.64.032201
2001KA59 Phys.Lett. 522B, 27 (2001) S.S.Kamalov, G.-Y.Chen, S.N.Yang, D.Drechsel, L.Tiator π0 Photo- and Electroproduction at Threshold within a Dynamical Model NUCLEAR REACTIONS 1H(γ, π0), E=146-160 MeV; 1H(e, e'π0), E ≈ threshold; calculated σ(θ), partial wave amplitudes. Meson-exchange dynamical model, comparisons with data.
doi: 10.1016/S0370-2693(01)01241-2
2001PO08 Phys.Rev.Lett. 86, 2959 (2001) Th.Pospischil, P.Bartsch, D.Baumann, J.Bermuth, R.Bohm, K.Bohinc, S.Derber, M.Ding, M.Distler, D.Drechsel, D.Elsner, I.Ewald, J.Friedrich, J.M.Friedrich, R.Geiges, S.Hedicke, P.Jennewein, M.Kahrau, S.S.Kamalov, F.Klein, K.W.Krygier, J.Lac, A.Liesenfeld, J.McIntyre, H.Merkel, P.Merle, U.Muller, R.Neuhausen, M.Potokar, R.D.Ransome, D.Rohe, G.Rosner, H.Schmieden, M.Seimetz, S.Sirca, I.Sick, A.Sule, L.Tiator, A.Wagner, Th.Walcher, G.A.Warren, M.Weis Measurement of the Recoil Polarization in the p(e(pol), e'p(pol)π0 Reaction at the Δ(1232) Resonance NUCLEAR REACTIONS 1H(polarized e, e'π0), E=854.4 MeV; measured recoil proton polarization components; deduced Coulomb quadrupole to magnetic dipole ratio. Mainz unitary isobar model.
doi: 10.1103/PhysRevLett.86.2959
2001TI05 Nucl.Phys. A689, 205c (2001) L.Tiator, D.Drechsel, O.Hanstein, S.S.Kamalov, S.N.Yang The E2/M1 and C2/M1 Ratios and Form Factors in N → Δ Transitions
doi: 10.1016/S0375-9474(01)00835-1
2000BE05 Phys.Rev. C61, 035204 (2000) R.Beck, H.P.Krahn, J.Ahrens, J.R.M.Annand, H.J.Arends, G.Audit, A.Braghieri, N.d'Hose, D.Drechsel, O.Hanstein, J.C.McGeorge, R.O.Owens, P.Pedroni, T.Pinelli, G.Tamas, L.Tiator, Th.Walcher Determination of the E2/M1 Ratio in the γN → Δ(1232) Transition from a Simultaneous Measurement of p(γ(pol), p)π0 and p(γ(pol), π+)n NUCLEAR REACTIONS 1H(polarized γ, π0), (polarized γ, π+), E=270-420 MeV; measured σ(θ), asymmetry; deduced Δ resonance associated E2/M1 ratio. Tagged photons.
doi: 10.1103/PhysRevC.61.035204
2000DR03 Nucl.Phys. A666-667, 286c (2000) D.Drechsel, S.S.Kamalov, G.Krein, B.Pasquini, L.Tiator Polarized Structure Functions of the Nucleon in the Resonance Region
doi: 10.1016/S0375-9474(00)00038-5
2000SC25 Eur.Phys.J. A 8, 15 (2000) A Polarization Relation and the Measurement of the Longitudinal Response in Pseudoscalar Meson Electroproduction Off the Nucleon NUCLEAR REACTIONS 1H(polarized e, e'π0), E not given; analyzed polarization observables; deduced longitudinal response.
doi: 10.1007/s100500070115
1999DR01 Nucl.Phys. A645, 145 (1999) D.Drechsel, O.Hanstein, S.S.Kamalov, L.Tiator A Unitary Isobar Model for Pion Photo- and Electroproduction on the Proton Up to 1 GeV NUCLEAR REACTIONS 1H(γ, π+), (γ, π0), (e, e'π+), (e, e'π0), E < 1 GeV; calculated σ(θ), asymmetries; deduced resonant, nonresonant contributions.
doi: 10.1016/S0375-9474(98)00572-7
1999DR03 Phys.Rev. D59, 094021 (1999) D.Drechsel, S.S.Kamalov, G.Krein, L.Tiator Generalized Gerasimov-Drell-Hearn Integral and the Spin Structure of the Nucleon NUCLEAR STRUCTURE 1n, 1H; calculated spin structure functions.
doi: 10.1103/PhysRevD.59.094021
1999DR16 Nucl.Phys. A660, 57 (1999) D.Drechsel, S.S.Kamalov, G.Krein, B.Pasquini, L.Tiator Generalized Polarizabilities and Electroexcitation of the Nucleon NUCLEAR REACTIONS 1n, 1H(polarized e, e'X), E not given; calculated electric, magnetic, spin polarizabilities. Unitary isobar model.
doi: 10.1016/S0375-9474(99)00359-0
1999DR17 Nucl.Phys. A660, 423 (1999) D.Drechsel, L.Tiator, S.S.Kamalov, S.N.Yang Medium Effects in Coherent Pion Photo- and Electroproduction on 4He and 12C NUCLEAR REACTIONS 4He, 12C(γ, π0), E=200-400 MeV; calculated σ(θ); deduced medium effects. DWIA approach.
doi: 10.1016/S0375-9474(99)00412-1
1999LI41 Phys.Lett. 468B, 20 (1999) A.Liesenfeld, A.W.Richter, S.Sirca, K.I.Blomqvist, W.U.Boeglin, K.Bohinc, R.Bohm, M.Distler, D.Drechsel, R.Edelhoff, I.Ewald, J.Friedrich, J.M.Friedrich, R.Geiges, M.Kahrau, M.Korn, K.W.Krygier, V.Kunde, H.Merkel, K.Merle, U.Muller, R.Neuhausen, T.Pospischil, M.Potokar, A.Rokavec, G.Rosner, P.Sauer, S.Schardt, H.Schmieden, L.Tiator, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf A Measurement of the Axial Form Factor of the Nucleon by the p(e, e'π+)n Reaction at W = 1125 MeV NUCLEAR REACTIONS 1H(e, e'π+), E=405-855 MeV; measured longitudinal, transverse σ(θ); deduced axial mass parameter. Effective Lagrangian model.
doi: 10.1016/S0370-2693(99)01204-6
1999TI09 Phys.Rev. C60, 035210 (1999) L.Tiator, D.Drechsel, G.Knochlein, C.Bennhold Analysis of Resonance Multipoles from Polarization Observables in η Photoproduction NUCLEAR REACTIONS 1H(γ, X), E=716-1050 MeV; analyzed η production σ(θ), polarization observables; deduced resonance multipole parameters, branching ratios.
doi: 10.1103/PhysRevC.60.035210
1998DE49 Eur.Phys.J. A 3, 171 (1998) J.Denschlag, L.Tiator, D.Drechsel Analysis of Eta Production using a Generalized Lee Model NUCLEAR REACTIONS 1n, 1H(π, X), (γ, X), E ≈ threshold; calculated pion, η production σ; deduced S11(1535) contribution. Generalized Lee model.
doi: 10.1007/s100500050164
1998HA20 Nucl.Phys. A632, 561 (1998) O.Hanstein, D.Drechsel, L.Tiator Multipole Analysis of Pion Photoproduction Based on Fixed t Dispersion Relations and Unitarity NUCLEAR REACTIONS 1H(γ, π+), (γ, π0), E=160-450 MeV; 1n(γ, π-), E=190-420 MeV; analyzed σ(θ); deduced multipole amplitudes, threshold behaviour.
doi: 10.1016/S0375-9474(97)00818-X
1998MA20 Nucl.Phys. A631, 765c (1998) T.Mart, D.Kusno, C.Bennhold, L.Tiator, D.Drechsel Photoproduction of the Hypertriton NUCLEAR REACTIONS 3He(γ, X), E=1500-2200 MeV; calculated kaon production σ(θ); deduced hypertriton production features. Fadeev equations.
doi: 10.1016/S0375-9474(98)00106-7
1998MA59 Nucl.Phys. A640, 235 (1998) T.Mart, L.Tiator, D.Drechsel, C.Bennhold Electromagnetic Production of the Hypertriton NUCLEAR REACTIONS 3He(γ, K+), E=1500-2200 MeV; calculated hypernucleus production σ(θ); deduced Fermi motion effects, other reaction mechanism features. Impulse approximation.
doi: 10.1016/S0375-9474(98)00441-2
1998PL02 Phys.Lett. 444B, 555 (1998) R.Plotzke, J.Barth, W.Braun, R.Burgwinkel, J.Ernst, K.H.Glander, S.Goers, J.Hannappel, N.Jopen, H.G.Jungst, H.Kalinowsky, U.Kirch, F.Klein, F.-J.Klein, E.Klempt, A.Kozela, R.Lawall, J.Link, D.Menze, W.Neuerburg, M.Ostrick, M.Paganetti, E.Paul, H.van Pee, I.Schulday, W.J.Schwille, J.Smyrski, U.Thoma, L.Tiator, M.Q.Tran, F.Wehnes, B.Wiegers, F.W.Wieland, J.Wisskirchen Photoproduction of η'-Mesons with the 4π-Detector SAPHIR NUCLEAR REACTIONS 1H(γ, X), E=0.9-2.6 GeV; measured η' production σ(θ), σ; deduced resonance contributions. Tagged photons, 4π detector.
doi: 10.1016/S0370-2693(98)01444-0
1997BL13 Nucl.Phys. A626, 871 (1997) K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, R.Edelhoff, J.Friedrich, R.Geiges, M.Kahrau, S.Kamalov, M.Kirchbach, M.Kohl, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, J.M.Laget, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, C.Rangacharyulu, A.Richter, A.W.Richter, A.Rokavec, G.Rosner, P.Sauer, St.Schardt, G.Schrieder, T.Suda, L.Tiator, B.Vodenik, A.Wagner, Th.Walcher, St.Wolf Pion Electroproduction in the 3He(e, e'π+)3H Reaction at Intermediate Energies NUCLEAR REACTIONS 3He(e, e'π+), E=555-855 MeV; measured transverse, longitudinal σ(θ(π)); deduced transverse, longitudinal structure functions. Standard Born amplitudes for elementary pion production, three-body Fadeev wave functions.
doi: 10.1016/S0375-9474(97)00463-6
1997HA26 Phys.Lett. 399B, 13 (1997) O.Hanstein, D.Drechsel, L.Tiator A Dispersion Theoretical Approach to the Threshold Amplitudes of Pion Photoproduction NUCLEAR REACTIONS 1n(γ, π-), E=159.83-165 MeV; calculated σ(θ); 1H(γ, π0), E=151.69 MeV; 1n(γ, π0), E=151.65 MeV; calculated σ(θ), polarization observables vs θ. Dispersion approach to threshold amplitudes.
doi: 10.1016/S0370-2693(97)00272-4
1997KA01 Phys.Rev. C55, 88 (1997) S.S.Kamalov, L.Tiator, C.Bennhold Elastic Pion Scattering on the Deuteron in a Multiple Scattering Model NUCLEAR REACTIONS 2H(π+, π+), E=65-324; calculated σ(θ), tensor analyzing power vs θ, other polarization observables. Multiple scattering model, polarized target.
doi: 10.1103/PhysRevC.55.88
1997KA02 Phys.Rev. C55, 98 (1997) S.S.Kamalov, L.Tiator, C.Bennhold Coherent π0 and η Photoproduction on the Deuteron NUCLEAR REACTIONS 2H(γ, π0), E=139-151 MeV; calculated reduced σ, σ(θ) vs E, photon asymmetry, vector, tensor analyzing power vs θ. 2H(γ, X), E=675 MeV; calculated η production σ(θ). Polarized target, coupled-channels approach in momentum space.
doi: 10.1103/PhysRevC.55.98
1996AV02 Yad.Fiz. 59, No 6, 1149 (1996); Phys.Atomic Nuclei 59, 1104 (1996) T.M.Avdeeva, S.S.Kamalov, L.Tiator Two-Body Mechanisms in the Reaction 3He(π-, π0)3H NUCLEAR REACTIONS 3He(π-, π0), E ≈ 150-600 MeV; analyzed σ(θ), σ(θ) vs E, asymmetry data; deduced two-body mechanism crucial role.
1996BL02 Z.Phys. A353, 415 (1996) K.I.Blomqvist, W.U.Boeglin, R.Bohm, M.Distler, D.Drechsel, R.Edelhoff, J.Friedrich, R.Geiges, O.Hanstein, M.Kahrau, M.Korn, H.Kramer, K.W.Krygier, V.Kunde, M.Kuss, A.Liesenfeld, K.Merle, R.Neuhausen, E.A.J.M.Offermann, Th.Pospischil, M.Potokar, A.Rokavec, A.W.Richter, G.Rosner, P.Sauer, S.Schardt, H.Schmieden, S.Sirca, L.Tiator, B.Vodenik, A.Wagner, Th.Walcher, S.Wolf Precise Pion Electroproduction in the p(e, e'π+)n Reaction at W = 1125 MeV NUCLEAR REACTIONS 1H(e, e'π+), E(cm)=1125 MeV; measured missing energy spectra, coincidence, longitudinal σ, asymmetry; deduced longitudinal, transverse structure functions, interference term.
doi: 10.1007/BF01285153
1996HA34 Phys.Lett. 385B, 45 (1996) O.Hanstein, D.Drechsel, L.Tiator The Position and the Residues of the Delta Resonance Pole in Pion Photoproduction NUCLEAR REACTIONS 1H(γ, π0), E=333 MeV; analyzed parallel, perpendicular σ(θ) ratio. 1H(γ, π0), E ≤ 500 MeV; analyzed electric, magnetic 3, 3 multipoles ratio vs E; deduced Δ resonance pole position, residues. Fixed-t dispersion relations.
doi: 10.1016/0370-2693(96)00855-6
1996KA29 Phys.Rev. C54, 1863 (1996) S.Karataglidis, K.Amos, C.Bennhold, L.Tiator Large Basis Shell Model Analysis of 14N(γ, π+)14C(g.s) Reaction NUCLEAR REACTIONS 14N(γ, π+), E=173 MeV; calculated σ(θ); deduced need for improved elementary pion production process. Shell model wave functions.
doi: 10.1103/PhysRevC.54.1863
1996KI09 Nucl.Phys. A604, 385 (1996) On the Coupling of the η Meson to the Nucleon NUCLEAR REACTIONS 1H(γ, X), E=724-775 MeV; calculated η production σ(θ). Tintor-Bennhold-Kancalov model, pseudoscalar, pseudovector ηN coupling constants from an effective vertex.
doi: 10.1016/0375-9474(96)00140-6
1996LE11 Nucl.Phys. A603, 345 (1996) F.X.Lee, L.E.Wright, C.Bennhold, L.Tiator Quasi-Free η Photoproduction from Nuclei NUCLEAR REACTIONS 12C, 40Ca(γ, X), E=680-800 MeV; calculated σ(θp, θ(η), E(η)), photon asymmetry. DWIA.
doi: 10.1016/0375-9474(96)80006-D
1995BE17 Nucl.Phys. A585, 313c (1995) C.Bennhold, L.Tiator, S.S.Kamalov The Nucleon Strangeness Content and the (Eta)NN Coupling NUCLEAR REACTIONS 1H(γ, X), E ≤ 750 MeV; calculated σ(E). 1H(γ, X), E=752 MeV; calculated eta production σ(θ), recoil polarization; deduced (eta NN) coupling related features.
doi: 10.1016/0375-9474(94)00583-9
1995KA37 Phys.Rev.Lett. 75, 1288 (1995) S.S.Kamalov, L.Tiator, C.Bennhold Two-Body Mechanisms in Pion Photoproduction on the Trinucleon NUCLEAR REACTIONS 3He(γ, π+), E=300, 400, 500 MeV; analyzed σ(θ); deduced two-body mechanisms role.
doi: 10.1103/PhysRevLett.75.1288
1995KN02 Z.Phys. A352, 327 (1995) G.Knochlein, D.Drechsel, L.Tiator Photo- and Electroproduction of Eta Mesons NUCLEAR REACTIONS 1n, 1H(γ, X), E not given; calculated eta production σ. Electroproduction also included. Effective lagrangian approach.
1995MA32 Phys.Rev. C51, 2534 (1995) S.K.Matthews, W.J.Briscoe, C.Bennhold, B.L.Berman, R.W.Caress, K.S.Dhuga, S.N.Dragic, S.S.Kamalov, N.J.Nicholas, M.F.Taragin, L.Tiator, S.J.Greene, D.B.Barlow, B.M.K.Nefkens, C.Pillai, J.W.Price, L.D.Isenhower, M.E.Sadler, I.Slaus, I.Supek Elastic Scattering of Pions from 3H and 3He into the Backward Hemisphere NUCLEAR REACTIONS 3He, 3H(π+, π+), E=142-256 MeV; measured σ(θ).
doi: 10.1103/PhysRevC.51.2534
1994TI06 Nucl.Phys. A580, 455 (1994) L.Tiator, C.Bennhold, S.S.Kamalov The (Eta)NN Coupling in Eta Photoproduction NUCLEAR REACTIONS 1H(γ, X), E=708-780 MeV; calculated σ(θ), σ(E) for eta production, polarization observables. Effective lagrangian approach.
doi: 10.1016/0375-9474(94)90909-1
1993KA06 Phys.Rev. C47, 941 (1993) S.S.Kamalov, L.Tiator, C.Bennhold Pion Interaction with the Trinucleon Up to the Eta Production Threshold NUCLEAR REACTIONS 3He(π+, π+), (π-, π-), E=100-500 MeV; calculated σ(θ), asymmetry vs θ. 2H(π+, π+), E=180-300 MeV; calculated σ(θ). 3He(π-, X), E=555-680 MeV; calculated σ(θ), target asymmetry vs θ for eta production. 3He(π-, π0), E=100-500 MeV; calculated target asymmetry vs θ.
doi: 10.1103/PhysRevC.47.941
1992BE13 Nucl.Phys. A540, 621 (1992) C.Bennhold, B.K.Jennings, L.Tiator, S.S.Kamalov The Asymmetry in π-3He Scattering NUCLEAR REACTIONS 3He(π+, π+), E=100-260 MeV; analyzed asymmetry data. Optical potential, realistic Faddeev wave functions, polarized target.
doi: 10.1016/0375-9474(92)90176-K
1992BE41 Phys.Rev. C46, 2456 (1992) C.Bennhold, L.Tiator, S.S.Kamalov, R.Mach Electromagnetic and Pion-Nuclear Reactions on 15N NUCLEAR REACTIONS 15N(π+, π0), E=30, 48 MeV; calculated σ(θ). 15N(γ, π-), E=170 MeV; calculated σ(θ). 15N(e, e), E not given; calculated M1 form factor; deduced higher configurations role. Shell model.
doi: 10.1103/PhysRevC.46.2456
1992DR01 J.Phys.(London) G18, 449 (1992) Threshold Pion Photoproduction on Nucleons NUCLEAR REACTIONS 1H(γ, π+), (γ, π0), 1n(γ, π-), (γ, π0), E ≈ threshold; calculated σ(E). 1H(γ, π+), E=149.1 MeV; calculated σ(θ). Reviewed other reaction data.
doi: 10.1088/0954-3899/18/3/004
1992KA31 Nucl.Phys. A547, 599 (1992) S.S.Kamalov, L.Tiator, C.Bennhold Polarization Observables in Pion Photoproduction on 3He NUCLEAR REACTIONS 3He(γ, π+), E=200-500 MeV; calculated σ(θ), photon asymmetry, polarization observables vs θ. Three-body Faddeev amplitude, nonlocal coupled-channels framework.
doi: 10.1016/0375-9474(92)90653-2
1992KO02 Phys.Rev. C45, 230 (1992) D.Koetsier, K.Amos, L.Tiator, C.Bennhold, L.E.Wright Photopion Cross Sections and Mass 14 Structures NUCLEAR REACTIONS 14N(γ, π+), E=173, 200 MeV; calculated σ(θ); deduced core polarization effects role.
doi: 10.1103/PhysRevC.45.230
1991BE14 Phys.Rev. C43, 2742 (1991) C.Bennhold, L.Tiator, A.M.Bernstein, S.S.Kamalov 0+ - 0+ Transition in Charged Photopion Reactions NUCLEAR REACTIONS 14C(γ, π-), E=200 MeV; calculated σ(θ); deduced non-spin-flip term role in 0+ → 0+ transition.
doi: 10.1103/PhysRevC.43.2742
1991KA32 Few-Body Systems 10, 143 (1991) S.S.Kamalov, L.Tiator, C.Bennhold Pion Photoproduction on 3He Including Final-State Interaction NUCLEAR REACTIONS 3He(π+, π+), (π-, π-), E=50, 100 MeV; calculated σ(θ). 3He(π+, π+), (π-, π-), E=200 MeV; calculated spin-flip, nonspin-flip σ(θ). Faddeev wave functions, full nonlocal DWIA.
doi: 10.1007/BF01076291
1991LA09 Phys.Rev.Lett. 67, 3356 (1991) B.Larson, O.Hausser, E.J.Brash, C.Chan, A.Rahav, C.Bennhold, P.P.J.Delheij, R.S.Henderson, B.K.Jennings, A.Mellinger, D.Ottewell, A.Trudel, M.C.Vetterli, D.M.Whittal, S.Ram, L.Tiator, S.S.Kamalov Asymmetries in Elastic Scattering of 100 MeV π+ from a Polarized 3He Target NUCLEAR REACTIONS 3He(π+, π+), E=100 MeV; measured σ(θ), analyzing power. Full nonlocal DWIA, realistic three-body Faddeev wave functions. Polarized target.
doi: 10.1103/PhysRevLett.67.3356
1990BE12 Phys.Lett. 238B, 31 (1990) E0 Suppression in Pion Photoproduction on 13C NUCLEAR REACTIONS 13C(γ, π-), E ≈ 160-320 MeV; calculated pion photoproduction σ(θ) vs E; deduced E0 suppression features.
doi: 10.1016/0370-2693(90)92095-Z
1990BE24 Phys.Rev. C42, 464 (1990) Comment on ' Wave Function of 14N ' NUCLEAR REACTIONS 14N(γ, π+), E=173, 200 MeV; 14N(e, e'), E not given; calculated σ(θ), M1 form factors. Phenomenological vs shell model wave functions.
doi: 10.1103/PhysRevC.42.464
1990BE45 Nucl.Phys. A519, 805 (1990) The E0 Transition in Pion Photoproduction and Radiative Pion Capture on 13C NUCLEAR REACTIONS 13C(γ, π-), E=160-320 MeV; calculated σ(θ) vs E. 13C(π+, γ), E=115.5 MeV; calculated σ(θ). Nonlocal DWIA, extended shell model space. NUCLEAR STRUCTURE 13C; calculated magnetic form factor. Extended shell model space.
doi: 10.1016/0375-9474(90)90436-P
1990BE49 Can.J.Phys. 68, 1270 (1990) C.Bennhold, L.Tiator, L.E.Wright Low-Energy Pion Photoproduction from p-Shell Nuclei NUCLEAR REACTIONS 6Li, 10B(γ, π+), E=200 MeV; 14N(γ, π+), E=173 MeV; calculated σ(θ(π)). Improved DWIA, Feynman diagram based production operator.
doi: 10.1139/p90-183
1990SO06 Nucl.Phys. A517, 473 (1990) K.C.So, K.Min, L.Y.Murphy, E.J.Winhold, M.Yamazaki, P.Yergin, R.W.Gothe, B.Schoch, C.Bennhold, L.Tiator, S.J.Hall, J.D.Kellie, I.J.D.MacGregor, R.O.Owens, D.Branford Spin-Isospin Excitation in 12C(γ, π+)12B(*) using Tagged Photons NUCLEAR REACTIONS 12C(γ, π+), E=176-182 MeV; measured σ(Eπ, θπ); deduced photopion production σ(θ). 12B deduced levels. Natural target, tagged photon beam.
doi: 10.1016/0375-9474(90)90212-5
1989TI02 Nucl.Phys. A501, 751 (1989) L.Tiator, C.Bennhold, R.Neuhausen Inelastic Electron Scattering and Pion Photoproduction on 12C NUCLEAR REACTIONS 12C(e, e'), E=350 MeV; measured σ(E, θ); deduced form factors, nuclear structure coefficients, 12C(γ, π+) reaction σ(θ). Non-local DWIA.
doi: 10.1016/0375-9474(89)90159-0
1988LI23 Nucl.Phys. A485, 580 (1988) A.Liesenfeld, B.Alberti, D.Eyl, G.Kobschall, A.W.Richter, K.Rohrich, Ch.Schmitt, L.Tiator, V.H.Walther Electroproduction of Negative Pions on 15N Leading to the Ground State of 15O NUCLEAR REACTIONS 15N(e, π-), E=170 MeV; measured σ(E(e), θ(π), E(π)). Virtual photon theory.
doi: 10.1016/0375-9474(88)90554-4
1988TI06 Nucl.Phys. A485, 565 (1988) L.Tiator, J.Vesper, D.Drechsel, N.Ohtsuka, L.E.Wright Photoproduction of π+ from 14N in the Δ(1232) Region NUCLEAR REACTIONS 14N(γ, π+), E=200-400 MeV; calculated σ(θ); deduced reaction mechanism. Extended isobar doorway model.
doi: 10.1016/0375-9474(88)90553-2
1986KI08 Phys.Lett. 172B, 287 (1986) Charge-Symmetry Violation in π+ and π- Elastic Scattering from Tritium and 3He NUCLEAR REACTIONS 3He(π+, π+), (π-, π-), E=140, 180, 220 MeV; analyzed σ(θ); deduced potential parameters, charge symmetry violation test conditions. Optical model.
doi: 10.1016/0370-2693(86)90253-4
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