CLAS physics database search results Measurement E62M691 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 3.0319695 0.29429933 108 3.6149659 0.34941524 180 3.5416067 0.43564573 251.99998 3.0892382 0.37303862 324 3.32618 0.37265337