CLAS physics database search results Measurement E62M644 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 0.73019135 0.1314555 108 1.0556608 0.23575337 180 1.4566133 0.31518805 251.99998 1.0706086 0.26115078 324 0.93983245 0.19265777