CLAS physics database search results Measurement E169M95 g11 E. Golovach 2005 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors rad mcb mcb 0.1122 83.6085 27.5083 0.336599 76.1133 22.4714 0.560999 50.1216 10.7212 0.785398 40.4332 1.74787 1.0098 35.9286 1.01574 1.2342 29.9993 0.576119 1.4586 24.3872 0.499149 1.683 21.4463 0.49351 1.9074 20.1662 0.338678 2.1318 19.047 0.357345 2.35619 17.5668 0.405523 2.58059 16.4791 0.969757 2.80499 16.0578 2.32147 3.02939 14.6784 1.95082