CLAS physics database search results Measurement E62M739 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi-) dsigma/dpsi_pim Stat. error deg mcbn/rad mcbn/rad 36 0.87741578 0.27369636 108 0.93126571 0.21469894 180 0.8873297 0.18116474 251.99998 0.76461375 0.27196893 324 0.93943918 0.24339199