CLAS physics database search results Measurement E159M1004 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Stat. error deg mcb/rad mcb/rad 9 0.793272 0.308712 27 0.765641 0.233247 45 0.638322 0.193689 63 0.560303 0.151344 81 0.944372 0.207661 99 1.07326 0.221481 117 1.06504 0.259335 135 0.824977 0.205549 153 0.669602 0.242568 171 0.5525 0.164497