CLAS physics database search results Measurement E159M545 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Stat. error deg mcb/rad mcb/rad 9 0.969499 0.263977 27 1.73047 0.35125 45 1.47048 0.258206 63 1.5571 0.262619 81 2.15817 0.472986 99 2.34671 0.39685 117 2.3816 0.444699 135 2.19242 0.388515 153 2.26592 0.450915 171 1.31287 0.442076