CLAS physics database search results Measurement E1M277 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 7.0047569 1.5690352 27 6.0795107 0.76352757 45 4.1013174 0.69129652 63 4.3357735 0.85504329 81 4.9384599 1.0614914 98.99999 3.3402867 0.65822333 117 2.9728518 0.80641234 135 4.8409328 1.2595074 153 3.8134739 0.44776854 171 4.3367057 0.55333596