CLAS physics database search results Measurement E169M77 g11 E. Golovach 2005 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors rad mcb mcb 0.1122 82.2755 29.1044 0.336599 75.0928 24.3175 0.560999 51.4978 12.6128 0.785398 40.9029 1.94221 1.0098 37.0449 1.23488 1.2342 30.915 0.738067 1.4586 25.8329 0.6849 1.683 22.8654 0.60328 1.9074 20.7706 0.483837 2.1318 19.6234 0.478911 2.35619 18.5159 0.53275 2.58059 19.1608 1.75833 2.80499 19.6409 3.25332 3.02939 17.801 2.74298