CLAS physics database search results Measurement E159M536 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Stat. error deg mcb/rad mcb/rad 9 0.837607 0.329152 27 0.925137 0.247138 45 1.0244 0.230441 63 1.15343 0.241528 81 1.52489 0.26173 99 2.03319 0.353095 117 2.19481 0.40957 135 2.16214 0.422651 153 1.56193 0.331633 171 1.1046 0.378694