CLAS physics database search results Measurement E1M634 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 9.2902222 1.562767 27 8.6329069 1.0414135 45 10.957876 1.1524405 63 9.2905388 1.2838202 81 9.1144333 0.49094942 98.99999 7.666306 0.42403266 117 7.5709028 0.44242573 135 7.6392922 0.63434923 153 9.156826 1.1237514 171 6.2803807 0.52234471