CLAS physics database search results Measurement E28M181 g11 M. Battaglieri 2009 -t dsigma/dt Data errors GeV2 mcb/GeV2 mcb/GeV2 0.45 0.1054 0.06528 0.55 0.07566 0.04512 0.65 0.05318 0.03557 0.75 0.0281 0.02343 0.85 0.02623 0.02174 0.95 0.01969 0.01992