CLAS physics database search results Measurement E159M608 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 1.45813 0.357774 27 1.57554 0.299279 45 1.30194 0.259096 63 1.20413 0.253899 81 1.35143 0.248158 99 1.97493 0.347931 117 2.04928 0.377819 135 1.54357 0.291918 153 1.56888 0.297114 171 1.44801 0.343141