CLAS physics database search results Measurement E169M104 g11 E. Golovach 2005 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors rad mcb mcb 0.1122 94.1986 32.2566 0.336599 83.2947 25.4478 0.560999 51.3123 11.6773 0.785398 39.5488 1.47781 1.0098 34.7944 0.699129 1.2342 29.3647 0.474966 1.4586 23.3491 0.409631 1.683 20.6372 0.444496 1.9074 19.3164 0.253177 2.1318 18.7751 0.265563 2.35619 17.2378 0.262874 2.58059 15.8388 0.815864 2.80499 15.0709 2.18085 3.02939 13.4558 1.55234