CLAS physics database search results Measurement E62M671 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 12.85715 5.8704309 1.5778478 38.57143 6.0464058 0.78616565 64.28571 7.9487004 0.91853774 90 8.8644361 0.87423933 115.71429 8.7377386 0.956393 141.42857 5.3694978 0.7347185 167.14285 6.6323547 0.83361334