CLAS physics database search results Measurement E159M248 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.56621 0.178574 27 0.662479 0.159764 45 0.763161 0.156356 63 0.731753 0.123922 81 1.0525 0.172731 99 1.21319 0.208654 117 1.29089 0.208144 135 1.22713 0.201168 153 1.12368 0.212541 171 1.2817 0.306824