CLAS physics database search results Measurement E169M96 g11 E. Golovach 2005 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors rad mcb mcb 0.1122 35.4763 7.11697 0.336599 42.9048 4.63267 0.560999 44.7751 3.96997 0.785398 43.0736 3.56737 1.0098 38.3315 2.82681 1.2342 30.1361 2.1779 1.4586 25.6467 1.90755 1.683 22.4164 1.36535 1.9074 23.057 1.19422 2.1318 19.5108 0.95942 2.35619 20.8862 1.10918 2.58059 22.1149 2.10704 2.80499 25.3084 8.06329 3.02939 27.4797 9.56495