Measurement of the Cross Section Asymmetry of the Reaction γp → π ◦ p in the Resonance Energy Region Eγ = 0.5 − 1.1 GeV

Abstract

The cross section asymmetry Σ has been measured for the photoproduction of π◦-mesons off protons, using polarized photons in the energy range Eγ = 0.5−1.1GeV. The CM angular coverage is θ∗ π = 85◦−125◦ with energy and angle steps of 25MeV and 5◦, respectively. The obtained Σ data, which cover the second and third resonance regions, are compared with… (More)

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