CLAS physics database search results Measurement E62M95 E-94-005 CLAS experiment L. Elouadrhiri 2006 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors deg mcbn/rad mcbn/rad 12.85715 9.1168365 2.9847009 38.57143 10.027065 1.4637915 64.28571 13.893615 1.113479 90 16.46752 0.93059695 115.71429 17.037121 2.086472 141.42857 11.663438 1.2622417 167.14285 10.974075 0.49290743