CLAS physics database search results Measurement E3M1 EG2000 CLAS H. Avakian 2000 x A1p Data errors dimensionless dimensionless dimensionless 0.14 0.1988607 0.06377806 0.22 0.3694916 0.0539369 0.3 0.4288728 0.06284484 0.38 0.6657529 0.08308264 0.46 0.5498878 0.1319383