CLAS physics database search results Measurement E62M311 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 17.99999 1.1122035 0.33073041 54 1.8783664 0.35070813 90 2.0512099 0.31388703 126 1.9367937 0.62347585 162 1.9468603 0.34077069