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10 papers · 2 filters
Effect of double-polarization data in fits to single-pion photoproduction
R. A. Arndt, I. I. Strakovsky, R. L. Workman
We investigate the influence of new Jefferson Lab polarization-transfer data, Cx and Cz, and recoil polarization, Py, measurements in multipole fits to the single-pion photoproduct…
Chiral dynamics in systems with strangeness
E. Oset, D. Jido, J. Palomar +3
In this talk a brief review of several problems involving systems with strangeness is made. In the first place one shows how the , and states, for $S =…
Chiral unitary approach to hadron spectroscopy
E. Oset, T. Inoue, M. J. Vicente Vacas +2
The s-wave meson-baryon interaction in the , and sectors is studied by means of coupled channels, using the lowest-order chiral Lagrangian and the N/D method…
SAID Results for GDH-Related Sum Rules
R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +1
Model-dependence of the single-pion contribution to the GDH, Baldin, and forward spin-polarizability sum rules is explored, using the most recent SAID multipole analysis. Results f…
Dispersion relation analysis of neutral pion photo- and electroproduction at threshold using the MAID and SAID solutions
S. S. Kamalov, L. Tiator, D. Drechsel +4
Neutral pion photo- and electroproduction at threshold is analyzed in the framework of dispersion relations. For this purpose, we evaluate the real threshold amplitudes in terms of…
Analysis of Pion Photoproduction Data
R. A. Arndt, W. J. Briscoe, I. I. Strakovsky +1
A partial-wave analysis of single-pion photoproduction data has been completed. This study extends from threshold to 2 GeV in the laboratory photon energy, focusing mainly on the i…