CLAS physics database search results Measurement E159M392 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Stat. error deg mcb/rad mcb/rad 9 2.10486 0.442366 27 2.30913 0.374978 45 1.75435 0.312489 63 1.49898 0.269496 81 2.50853 0.404094 99 3.23459 0.515131 117 3.16194 0.498114 135 3.08455 0.540953 153 3.51603 0.602356 171 3.08318 0.590648