CLAS physics database search results Measurement E1M178 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 3.6411684 0.88873529 27 9.9561052 3.7695746 45 6.1686168 1.3870445 63 4.5155673 0.6251539 81 7.0651255 1.2153841 98.99999 8.0225935 1.038442 117 6.6753101 0.93516034 135 5.4045362 0.92667401 153 5.0707941 2.0051141 171 4.7192655 0