CLAS physics database search results Measurement E1M37 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 4.4416871 1.1851001 27 6.4872317 2.465121 45 6.837121 1.4962916 63 5.9740162 1.7951689 81 2.8771648 0.52694023 98.99999 2.215807 0.5743767 117 5.7911005 1.189128 135 5.0497518 2.0293419 153 3.3797956 0.87820572 171 6.0510836 2.7384326