CLAS physics database search results Measurement E1M253 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 6.39502 1.414927 27 6.3973179 0.93428129 45 5.0374193 0.59484833 63 4.7319641 1.0943965 81 5.3144207 1.0595042 98.99999 4.8613024 0.90118986 117 5.0394168 1.073123 135 4.5651526 0.94090933 153 5.6475878 1.3278867 171 3.9840934 0.9459033