CLAS physics database search results Measurement E1M502 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 18.3169 1.7583541 27 16.808071 1.0388467 45 17.052547 0.89626276 63 13.859561 0.66725767 81 13.763054 0.73180628 98.99999 12.534445 1.0182195 117 11.082562 0.79906482 135 12.126187 1.0393009 153 13.41888 1.4632028 171 13.68494 1.7427777