CLAS physics database search results Measurement E62M787 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.9859998 0.31442499 108 3.2683158 0.35424837 180 3.555126 0.53188056 251.99998 3.4537239 0.43999413 324 3.045346 0.36913383