Polarization of recoil protons from proton Compton scattering in the region of the second πN resonance

Kabe, S.; Fujii, Toshihiko; Kamei, T.; Yamada, Ryuta; Yamagata, T.; Kato, S.; Kita, I.; Kiyoshima, Tatsuro

doi:10.1016/s0550-3213(72)80004-x

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A a A A A A A A Ko99 A A A A A A A A A A A A A A A A A A A A...1

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2014

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Cited by 14 publications

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“…FIG. 13: Recoil polarization of the reaction γp → π 0 p. Dashed (blue) line: fit 1; solid (red) line: fit 2; data from Bonn [184][185][186][187][188], Kharkov [172,[189][190][191][192][193][194][195][196][197][198][199][200][201][202][203], Tokyo [204][205][206], Caltech [207,208], Frascati [209,210], Yerevan [211][212][213][214][215][216], JLab [217,218], DNPL [176,219], and CEA [220]. [228], BL84 [226], BS76 [229], BS80 [227].…”

Section: A a A A A A A A Ko99 A A A A A A A A A A A A A A A A A A A A...mentioning

confidence: 99%

Photocouplings at the pole from pion photoproduction

et al. 2014

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The reactions γp → π 0 p and γp → π + n are analyzed in a semi-phenomenological approach up to E ∼ 2.3 GeV. Fits to differential cross section and single and double polarization observables are performed. A good overall reproduction of the available photoproduction data is achieved. The Jülich2012 dynamical coupled-channel model -which describes elastic πN scattering and the world data base of the reactions πN → ηN , KΛ, and KΣ at the same time -is employed as the hadronic interaction in the final state. The framework guarantees analyticity and, thus, allows for a reliable extraction of resonance parameters in terms of poles and residues. In particular, the photocouplings at the pole can be extracted and are presented.

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