CLAS physics database search results Measurement E1M503 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 14.348366 1.5746379 27 17.091339 1.7466992 45 13.112206 0.94779909 63 13.025511 0.72374266 81 12.444137 0.48683116 98.99999 11.97742 0.39293039 117 12.817183 0.45819932 135 12.243515 0.52410817 153 14.902418 1.9460734 171 11.621135 1.4096487