CLAS physics database search results Measurement E1M177 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 4.1522079 0.83773917 27 6.7033935 2.3260484 45 7.0747504 1.3935803 63 6.0447979 0.84140432 81 5.2536349 0.89580995 98.99999 4.2002277 0.62427151 117 6.1132998 1.3517225 135 6.5018768 1.7100186 153 5.539257 1.3696637 171 9.9161396 3.8680365