CLAS physics database search results Measurement E1M548 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 14.734972 1.5846447 27 13.292048 0.85867155 45 10.060809 0.46907756 63 11.229883 0.58504117 81 10.499336 0.69778299 98.99999 9.5745859 0.76228142 117 9.2176275 0.90661275 135 9.2895641 1.0236278 153 10.375244 1.2200644 171 11.268137 1.2131798