Polarization observables in π0η photoproduction on the proton

A. Fix, H. Arenhövel

Research output: Contribution to journalArticle

12 Citations (Scopus)

Abstract

For π0η photoproduction on the nucleon formal expressions are developed for the fivefold differential cross section and the recoil polarization including beam and target polarizations. The polarization observables are described by various beam, target, and beam-target asymmetries for polarized photons and/or polarized nucleons. They are given as bilinear Hermitian forms in the reaction matrix elements divided by the unpolarized cross section. Numerical results for the linear and circular beam asymmetries for γp→π0ηp are obtained within an isobar model and are compared with existing data. Predictions are also given for the target asymmetry T 11, and the beam-target asymmetries T10c and T11c for circularly polarized photons.

Original languageEnglish
Article number015503
JournalPhysical Review C - Nuclear Physics
Volume83
Issue number1
DOIs
Publication statusPublished - 25 Jan 2011

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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