CLAS physics database search results Measurement E159M356 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 2.12423 0.436907 27 2.30593 0.358288 45 2.14674 0.346872 63 2.34849 0.372577 81 3.32521 0.514196 99 3.52691 0.504587 117 3.79022 0.553314 135 3.26215 0.494441 153 2.75253 0.487951 171 2.59955 0.56667