CLAS physics database search results Measurement E1M560 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 13.649013 1.1913881 27 14.60381 0.88828021 45 9.9992208 0.49363977 63 9.0000601 0.41946846 81 9.6500406 0.57651103 98.99999 8.6184225 0.7180329 117 8.2775431 0.67914534 135 9.1380978 1.0968663 153 8.8535776 0.79216594 171 9.3662453 1.0207542