CLAS physics database search results Measurement E1M491 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 15.055673 1.5722324 0 27 21.629009 3.3462029 0 45 14.491385 1.5140302 0 63 14.268929 0.65339929 0 81 14.19399 0.59242189 0 98.99999 12.859016 0.42174184 0 117 13.758697 0.47913113 0 135 14.639783 0.78196377 0 153 15.654233 1.455052 0 171 12.412574 1.2646359 0