CLAS physics database search results Measurement E159M410 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 2.75899 0.5755 27 2.11108 0.349001 45 1.75687 0.295664 63 1.48541 0.276816 81 2.23073 0.350932 99 2.78674 0.423892 117 3.28677 0.524019 135 3.13656 0.490583 153 3.53026 0.612497 171 4.252 0.877432