CLAS physics database search results Measurement E159M95 E1-6 V. Burkert 2001 theta(p) dsigma/d(−cos(theta_pr)) Data errors deg mcb/rad mcb/rad 9 1.10525 0.317368 27 2.02471 0.398645 45 1.9601 0.406737 63 1.99886 0.374261 81 2.67526 0.496574 99 2.90408 0.539119 117 3.61536 0.646019 135 3.63301 0.664971 153 2.91571 0.566449 171 3.11286 0.725097