CLAS physics database search results Measurement E62M568 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 36 2.098428 0.28063795 108 2.8586528 0.30986065 180 2.6641176 0.37534666 251.99998 2.197799 0.24178207 324 2.3593287 0.36672574