CLAS physics database search results Measurement E62M653 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi+) dsigma/dphi_pip Data errors deg mcbn/rad mcbn/rad 36 2.113996 0.21925108 108 1.690882 0.27209824 180 1.7947272 0.4643591 251.99998 1.6715816 0.20263201 324 2.0416543 0.37627986