CLAS physics database search results Measurement E1M190 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 7.0145912 3.4954386 27 5.0974112 1.805968 45 9.3981133 3.6505191 63 6.373075 1.5471817 81 6.2665892 1.0000515 98.99999 5.8550129 0.80884218 117 5.9004421 1.0919678 135 3.1143866 0.54242629 153 4.0485616 1.2577362 171 4.1020098 0