CLAS physics database search results Measurement E62M431 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 17.99999 1.8839413 0.97067863 54 1.7950501 0.53350264 90 1.4014769 0.1951175 126 2.0053508 0.38557586 162 1.377123 0