NSR Query Results
Output year order : Descending NSR database version of April 26, 2024. Search: Author = O.Hanstein Found 10 matches. 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
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
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
1998DR05 Phys.Lett. 420B, 248 (1998) D.Drechsel, G.Krein, O.Hanstein Dispersion Relations and the Spin Polarizabilities of the Nucleon NUCLEAR STRUCTURE 1n, 1H; calculated spin polarizabilities; deduced nucleon spin structure features. Forward dispersion calculation.
doi: 10.1016/S0370-2693(97)01536-0
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
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
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
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