CLAS physics database search results Measurement E62M353 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi+) dsigma/dphi_pip Data errors deg mcbn/rad mcbn/rad 36 4.0491753 0.30833033 108 3.1533973 0.17321768 180 3.9333005 0.49556363 251.99998 3.129473 0.19046974 324 4.0935707 0.2533696