CLAS physics database search results Measurement E159M788 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 1.30489 0.327905 27 1.51891 0.341886 45 1.09913 0.243825 63 1.29913 0.277669 81 1.45253 0.276233 99 1.75383 0.335244 117 1.78749 0.374715 135 1.46858 0.29111 153 1.19513 0.279798 171 0.91286 0.240101