CLAS physics database search results Measurement E1M417 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 theta(pi-) dsigma/d(−cos(theta_pim)) Stat. error dimensionless mcbn/rad mcbn/rad 9 17.868093 2.1581917 27 20.021942 1.6436155 45 14.762772 0.88521552 63 13.73965 0.88590586 81 10.559513 0.75878 98.99999 10.319436 0.79418737 117 9.0731239 0.77584147 135 12.572167 1.639258 153 12.290575 1.535202 171 9.3618956 1.2513866