CLAS physics database search results Measurement E159M815 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 1.06314 0.330677 27 1.41195 0.347773 45 0.854075 0.240456 63 0.839201 0.212808 81 1.22522 0.275848 99 1.36409 0.255293 117 1.38861 0.250679 135 1.32056 0.297464 153 1.24291 0.260235 171 0.938287 0.342712