CLAS physics database search results Measurement E62M59 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 17.99999 1.2286114 0.68425953 54 2.6782477 0.50683272 90 3.6840751 0.40959284 126 3.8933551 0.94157165 162 4.073864 2.3260388