CLAS physics database search results Measurement E169M41 g11 E. Golovach 2005 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors rad mcb mcb 0.1122 76.6324 28.466 0.336599 69.7888 23.1138 0.560999 49.9927 13.0108 0.785398 46.8186 3.01689 1.0098 43.1358 1.57045 1.2342 36.7194 1.00386 1.4586 30.9387 0.970184 1.683 29.191 0.949291 1.9074 28.216 0.987364 2.1318 27.8116 0.876493 2.35619 26.5988 0.86097 2.58059 29.0664 3.37643 2.80499 28.438 3.58034 3.02939 27.4924 3.12664