CLAS physics database search results Measurement E62M715 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 3.4241774 0.46870789 108 4.1220756 0.40142447 180 4.5993056 0.59166217 251.99998 4.1124077 0.39583728 324 3.5566809 0.32014981