CLAS physics database search results Measurement E1M19 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 7.0790625 2.8298085 27 4.9747677 1.7199845 45 4.1151915 1.7977673 63 3.2525573 1.4405596 81 3.5181251 1.3446848 98.99999 3.6495395 1.3195983 117 3.5834177 1.4436817 135 2.140425 0.67525101 153 4.5781374 1.9841785 171 4.3838215 1.0972776