CLAS physics database search results Measurement E62M766 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error deg mcbn/rad mcbn/rad 12.85715 10.605477 2.4477725 38.57143 10.194542 1.5449201 64.28571 8.4332352 1.5123538 90 6.7270737 1.0849613 115.71429 3.8138382 0.57461703 141.42857 5.0773697 1.6108789 167.14285 4.709558 1.1842861