CLAS physics database search results Measurement E1M382 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 theta(pi+) dsigma/d(−cos(theta_pip)) Stat. error deg mcbn/rad mcbn/rad 9 13.08613 2.2263196 27 11.629145 1.0888485 45 14.764683 1.1289657 63 13.863118 0.90752757 81 13.864903 0.69006985 98.99999 11.298478 0.46726581 117 11.014921 0.59765476 135 11.550981 0.90336764 153 10.832226 1.3404193 171 11.078012 1.3406924