CLAS physics database search results Measurement E169M60 g11 E. Golovach 2005 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors rad mcb mcb 0.1122 38.6285 10.7946 0.336599 43.361 6.26006 0.560999 46.1894 5.26872 0.785398 46.8205 5.40997 1.0098 43.096 4.60964 1.2342 33.8692 3.10886 1.4586 30.2483 2.57236 1.683 26.5341 2.12429 1.9074 26.8816 1.72625 2.1318 21.1971 1.3272 2.35619 24.0972 1.829 2.58059 27.5494 4.77634 2.80499 31.8868 10.736 3.02939 37.9425 14.1751