CLAS physics database search results Measurement E62M64 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 36 1.7619392 0.28156385 108 1.5703118 0.18278541 180 1.3325961 0.14071088 251.99998 1.5069537 0.25691202 324 1.64688 0.31919819