CLAS physics database search results Measurement E159M770 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 1.48445 0.348003 27 1.87975 0.363822 45 1.37085 0.269967 63 1.59192 0.285796 81 1.92947 0.322714 99 1.89792 0.309335 117 2.03575 0.346021 135 1.62869 0.322551 153 1.11343 0.216117 171 1.1471 0.374187