CLAS physics database search results Measurement E169M52 g11 E. Golovach 2005 theta(p) dsigma/d(−cos(theta_pr)) Data errors rad mcb mcb 0.1122 19.1743 8.67838 0.336599 16.956 5.75523 0.560999 15.3407 2.05327 0.785398 17.2779 1.03443 1.0098 19.0855 0.250666 1.2342 21.5167 0.123225 1.4586 25.5263 0.253558 1.683 29.2635 0.374021 1.9074 35.0787 1.47946 2.1318 43.1018 2.82256 2.35619 61.103 6.54724 2.58059 78.9817 19.0085 2.80499 71.543 18.4545 3.02939 69.4809 14.5581