CLAS physics database search results Measurement E62M538 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors deg mcbn/rad mcbn/rad 17.99999 1.9005862 1.4104633 54 3.0064363 0.7056793 90 1.7841405 0.38445374 126 1.1355349 0.27800936 162 1.8115004 0.59117901