CLAS physics database search results Measurement E159M455 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.271702 0.286771 27 0.361523 0.118438 45 0.313156 0.0753202 63 0.446922 0.123529 81 0.489561 0.110228 99 0.782453 0.191858 117 0.629126 0.130521 135 0.634646 0.153649 153 0.665252 0.171166 171 0.43682 0.174417