CLAS physics database search results Measurement E1M406 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 18.848387 2.3884656 27 16.644745 1.4730546 45 17.278048 0.9447763 63 13.25235 0.69799525 81 10.787863 0.82024282 98.99999 10.302119 0.85701585 117 10.809279 1.0502812 135 11.887495 1.0798368 153 13.924991 1.2519364 171 13.572492 1.6538168