CLAS physics database search results Measurement E62M716 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Stat. error deg mcbn/rad mcbn/rad 36 3.360332 0.37691215 108 3.8259976 0.39528909 180 4.794735 0.3534517 251.99998 3.9314663 0.4113718 324 3.5020194 0.41553393