CLAS physics database search results Measurement E159M365 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 2.51586 0.515956 27 1.98704 0.331085 45 1.65416 0.254444 63 1.80212 0.291448 81 2.73459 0.443362 99 3.43116 0.514083 117 3.37868 0.505242 135 2.99262 0.487984 153 2.72617 0.492163 171 2.56944 0.662205