CLAS physics database search results Measurement E62M652 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 36 1.7305773 0.33638728 108 2.0094926 0.40360776 180 1.7914439 0.31362027 251.99998 2.0990565 0.37206078 324 1.8034986 0.3636927