CLAS physics database search results Measurement E1M693 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 9.580595 1.6725928 27 12.635734 2.1327288 45 10.651532 2.4020729 63 9.8256264 0.79257149 81 8.8594027 0.49850336 98.99999 8.2163506 0.48840943 117 8.3645277 0.42057061 135 8.7113237 0.54137915 153 11.548697 1.4129063 171 8.3417845 0.88618708