CLAS physics database search results Measurement E1M645 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 12.91707 1.8200929 27 13.238928 1.293902 45 10.957629 0.82679701 63 9.5198793 0.65040243 81 7.884644 0.7821874 98.99999 7.1011333 0.59248936 117 6.8780265 0.68861133 135 8.5723877 1.1117623 153 8.018774 0.88570815 171 7.5108943 1.0487204