CLAS physics database search results Measurement E1M381 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 20.615297 2.4149332 27 20.059662 1.8441728 45 15.965437 0.9922567 63 11.900764 0.80012822 81 11.606349 0.7751956 98.99999 10.178112 0.85750425 117 10.537497 0.99661076 135 12.079188 1.0955037 153 13.96181 1.4275143 171 16.491232 2.1570284