CLAS physics database search results Measurement E1M421 E93-006 CLAS experiment V. D. Burkert, M. Ripani 2003 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors Systematic errors dimensionless mcbn/rad mcbn/rad mcbn/rad 9 17.792814 2.0086207 0 27 18.206236 1.4522214 0 45 16.030706 0.92324847 0 63 13.129882 0.80412674 0 81 10.376843 0.56851369 0 98.99999 8.5485802 0.62414229 0 117 8.3298645 0.52708608 0 135 11.25793 1.2156628 0 153 9.7502155 1.2521505 0 171 10.016872 1.4180752 0