CLAS physics database search results Measurement E159M293 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.454506 0.131233 27 0.825776 0.192338 45 0.944625 0.236687 63 1.25741 0.210648 81 1.59656 0.260862 99 1.8146 0.289177 117 1.98073 0.30391 135 2.11617 0.359469 153 2.43915 0.418608 171 1.39822 0.313733