CLAS physics database search results Measurement E62M743 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Stat. error deg mcbn/rad mcbn/rad 17.99999 1.2224195 0.18979333 54 2.6752815 0.77358162 90 4.1522708 1.1454557 126 3.1702127 0.6707893 162 2.1478519 0.31571501