CLAS physics database search results Measurement E1M455 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors Systematic errors deg mcbn/rad mcbn/rad mcbn/rad 9 12.781913 1.4593779 0 27 18.640118 2.3224177 0 45 15.127882 1.4351685 0 63 12.416122 0.80394691 0 81 11.538267 0.48597026 0 98.99999 11.410849 0.46586338 0 117 11.799548 0.56999028 0 135 11.833362 0.60446411 0 153 14.646642 1.9170026 0 171 10.351759 0.60103738 0