CLAS physics database search results Measurement E1M230 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 7.4403534 2.234494 27 5.4725857 1.6863939 45 5.6732502 1.0148854 63 4.6552682 0.93764472 81 5.147562 0.78806007 98.99999 4.511456 0.71097142 117 4.8995047 0.9075914 135 4.6829853 0.89478904 153 5.3139319 1.2563097 171 4.6317801 2.3405328