CLAS physics database search results Measurement E1M98 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 3.6948495 0.70061922 27 6.918766 1.6692383 45 5.8428736 1.223431 63 5.8854246 2.3861771 81 2.3228204 3.1830847 98.99999 2.9256516 0.70957166 117 4.385839 1.1775763 135 3.794929 1.2758411 153 6.0043035 2.3205011 171 3.183934 1.1234653