CLAS physics database search results Measurement E62M647 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 17.99999 1.7946496 0.38932803 54 2.6071191 0.31392995 90 3.5612137 0.73744601 126 3.68189 0.64056814 162 4.7794685 1.637231