CLAS physics database search results Measurement E159M140 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 3.60527 0.779804 27 2.95644 0.535047 45 2.54264 0.448477 63 2.8219 0.519091 81 3.968 0.728652 99 5.44255 0.891972 117 5.22211 0.884133 135 3.85328 0.659232 153 3.58632 0.699886 171 3.45995 0.896572