CLAS physics database search results Measurement E159M1085 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.435635 0.16818 27 0.629014 0.263048 45 0.3541 0.145891 63 0.283386 0.0965387 81 0.691625 0.191513 99 0.731624 0.144404 117 0.85521 0.211739 135 0.896185 0.219925 153 0.886372 0.227965 171 1.26206 0.412114