CLAS physics database search results Measurement E62M775 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 2.4968424 0.29747856 108 2.4751575 0.29785219 180 1.7352496 0.51884156 251.99998 2.6216571 0.37453258 324 2.3041387 0.34014955