CLAS physics database search results Measurement E62M751 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 1.3631545 0.30369148 108 1.4925679 0.30006725 180 1.6096801 0.38021439 251.99998 1.3530881 0.20739974 324 1.3440423 0.23550771