CLAS physics database search results Measurement E62M88 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 36 4.2191234 0.41403073 108 3.9645333 0.31301415 180 3.5870445 0.25265899 251.99998 4.2066145 0.28937235 324 5.4564309 0.66614622