CLAS physics database search results Measurement E159M698 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.380842 0.135004 27 0.629244 0.176636 45 0.432515 0.108203 63 0.678016 0.144942 81 0.636624 0.132017 99 1.03591 0.222938 117 0.857403 0.157295 135 0.973486 0.200645 153 0.866751 0.25 171 0.373145 0.124485