CLAS physics database search results Measurement E159M554 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Stat. error deg mcb/rad mcb/rad 9 2.27097 0.535489 27 2.37088 0.495611 45 1.86218 0.346723 63 2.1351 0.381729 81 2.44372 0.440735 99 3.04714 0.478989 117 2.63576 0.398278 135 2.10682 0.357391 153 2.28829 0.534547 171 1.61161 0.497267