CLAS physics database search results Measurement E62M368 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 3.4649367 0.44103867 108 4.9950132 0.3072454 180 5.4699154 0.2803672 251.99998 4.3784223 0.30142909 324 3.8151555 0.49688849