CLAS physics database search results Measurement E169M131 g11 E. Golovach 2005 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors rad mcb mcb 0.1122 109.865 37.9342 0.336599 90.0719 27.6667 0.560999 49.3868 10.134 0.785398 37.3835 1.02309 1.0098 33.5147 0.625481 1.2342 27.9594 0.369894 1.4586 21.04 0.521512 1.683 17.9385 0.351043 1.9074 15.8466 0.283079 2.1318 15.615 0.217125 2.35619 14.7062 0.227853 2.58059 13.782 0.815214 2.80499 14.9462 3.11028 3.02939 12.5603 2.26443