CLAS physics database search results Measurement E1M814 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 8.1498184 0.97485459 27 10.424523 1.2206153 45 8.3789215 0.81370491 63 7.8495355 0.6932829 81 7.4123163 0.53093511 98.99999 8.1847963 0.51855749 117 7.8956046 0.58282906 135 7.221365 0.53460193 153 10.514706 2.9589505 171 6.3768716 0.11696822