CLAS physics database search results Measurement E62M392 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 4.4334092 0.27942541 108 5.4605703 0.50215399 180 5.9090729 0.31490105 251.99998 5.3167558 0.3187786 324 5.4366856 0.45535031