CLAS physics database search results Measurement E159M473 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.549701 0.258712 27 0.526268 0.149695 45 0.616988 0.16159 63 0.878774 0.189994 81 0.809026 0.152479 99 0.865248 0.164094 117 1.03385 0.194775 135 1.67126 0.433679 153 0.888813 0.222838 171 1.05162 0.35036