CLAS physics database search results Measurement E62M556 E-94-005 CLAS experiment L. Elouadrhiri 2006 phi(pi-) dsigma/dphi_pim Data errors deg mcbn/rad mcbn/rad 36 2.0530066 0.34765011 108 1.8326983 0.28726649 180 1.9867369 0.3305203 251.99998 1.6408799 0.22768782 324 2.1446903 0.33040556