CLAS physics database search results Measurement E1M646 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 6.9276042 1.3329992 27 9.8820782 1.2142223 45 9.8180084 0.98228669 63 9.4173908 0.93502158 81 8.4194393 0.50373942 98.99999 7.2988753 0.34434313 117 7.868825 0.542548 135 7.1700878 0.56864744 153 8.8827934 1.1188108 171 6.8408265 0.54721063