CLAS physics database search results Measurement E62M191 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 17.99999 1.4612683 0.67974675 54 1.8587123 0.36756027 90 2.9702241 0.44918314 126 1.2483014 0.26009008 162 1.9822024 0