CLAS physics database search results Measurement E1M109 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 7.8949184 2.388905 27 7.0406537 1.4025835 45 10.377293 2.4183264 63 7.0272131 1.3042361 81 3.9899144 1.0066304 98.99999 5.0311241 1.603363 117 0.17690121 4.1688776 135 3.9234874 0.95422971 153 3.909658 1.1313266 171 3.3215401 0.82602412