CLAS physics database search results Measurement E62M440 E-94-005 CLAS experiment L. Elouadrhiri 2006 psi(pi+) dsigma/dpsi_pip Data errors deg mcbn/rad mcbn/rad 36 0.92055875 0.19607474 108 1.2459804 0.16917554 180 1.5802132 0.17763551 251.99998 1.2031951 0.15929279 324 1.0519898 0.36786819