CLAS physics database search results Measurement E159M32 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.978806 0.325501 27 1.50807 0.302785 45 0.919053 0.222084 63 1.19522 0.254823 81 1.40015 0.267375 99 1.83039 0.353344 117 1.93308 0.372507 135 2.1924 0.455475 153 1.7925 0.425186 171 2.13787 0.511287