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Differential Cross Section and Photon-Beam Asymmetry for the γ→p → π−Δ++(1232) Reaction at Forward π− Angles for Eγ=1.5–2.95 GeV
Differential cross sections and photon-beam asymmetries for the gamma p -> pi- Delta++(1232) reaction have been measured for 0.7<cos(theta)<1 and Egamma=1.5-2.95 GeV at SPring-8/LEPS. The first-ever high statistics cross section data are obtained in this kinematical region, and the asymmetry data for 1.5<Egamma(GeV)<2.8 are obtained for the first time. This …