CLAS physics database search results Measurement E159M275 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 0.461398 0.132003 27 0.87103 0.185945 45 0.950061 0.163041 63 1.25952 0.199447 81 1.83321 0.303654 99 1.83809 0.281968 117 1.88099 0.306405 135 1.94877 0.327889 153 1.82083 0.318096 171 1.41774 0.327087