CLAS physics database search results Measurement E62M323 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 17.99999 3.0461619 0.80815798 54 4.3697119 1.1071852 90 5.6865449 0.70420307 126 4.6678157 0.7370438 162 3.9329522 1.0252845