CLAS physics database search results Measurement E62M551 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 17.99999 2.0928249 0.82924449 54 2.8881545 0.41943255 90 3.4762568 0.38782164 126 3.6485932 0.60949183 162 4.6903405 1.6071553