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Cross-Section Measurement of Charged-Pion Photoproduction from Hydrogen and Deuterium
(American Physical Society, 2003-06-11)
We have measured the differential cross section for the γn→π-p and γp→π+n reactions at θc.m.=90° in the photon energy range from 1.1 to 5.5 GeV at Jefferson Lab (JLab). The data at Eγ≳3.3 GeV exhibit a global scaling ...