CLAS physics database search results Measurement E169M114 g11 E. Golovach 2005 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors rad mcb mcb 0.1122 41.6205 8.74673 0.336599 46.8259 4.86053 0.560999 46.4305 3.90411 0.785398 42.8792 3.56391 1.0098 37.6767 2.93227 1.2342 27.9577 2.2671 1.4586 22.9369 1.68058 1.683 20.1449 1.37961 1.9074 20.7196 1.19349 2.1318 18.9516 1.0412 2.35619 19.4136 1.13074 2.58059 21.3887 1.81597 2.80499 26.9481 9.15775 3.02939 31.2164 11.601