CLAS physics database search results Measurement E62M667 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Data errors deg mcbn/rad mcbn/rad 36 2.7509971 0.40378708 108 2.739265 0.37672913 180 1.8915581 0.23127498 251.99998 3.1497836 0.42917216 324 2.4780326 0.30776659