CLAS physics database search results Measurement E159M842 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.90903 0.291458 27 1.36656 0.324752 45 0.890517 0.231116 63 0.885816 0.233946 81 1.2106 0.242481 99 1.40082 0.257949 117 1.50549 0.29297 135 1.3992 0.281109 153 1.193 0.240157 171 1.16381 0.320997