CLAS physics database search results Measurement E159M851 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.819323 0.250528 27 1.22789 0.283767 45 0.890801 0.243132 63 0.564343 0.131492 81 1.00831 0.230131 99 1.24872 0.261937 117 1.25253 0.232473 135 1.33295 0.304963 153 1.37255 0.348286 171 1.47424 0.391636