CLAS physics database search results Measurement E1M333 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 10.882701 5.5185876 27 7.2368288 1.4366897 45 5.3198471 0.64483994 63 4.0517511 0.59819567 81 3.6088762 0.63097078 98.99999 2.6758459 0.40816578 117 3.4199121 0.49239883 135 3.0995998 0.59448886 153 2.7725334 0.63526535 171 2.4267759 0.30711272