CLAS physics database search results Measurement E1M669 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 12.837939 2.2294486 27 13.781322 1.1699274 45 11.291242 0.79968774 63 8.2946024 0.52066654 81 7.3864408 0.51342463 98.99999 5.9161649 0.66219825 117 6.2141085 0.63524204 135 7.4813256 0.74260598 153 7.9399724 1.3120859 171 5.3642011 1.0192199