CLAS physics database search results Measurement E62M464 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 2.7774458 0.63742131 108 3.4192448 0.41027582 180 4.2131653 0.33296046 251.99998 3.0406537 0.33351627 324 2.4513526 0.37351424