CLAS physics database search results Measurement E1M718 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 11.99268 1.6289939 27 13.855189 1.857111 45 13.677487 3.3489225 63 9.738307 0.74963003 81 10.1872 0.5869382 98.99999 9.5046492 0.48576361 117 9.9710236 0.45987293 135 10.966605 0.70188564 153 10.985351 1.1929132 171 8.3690329 0.25880048