CLAS physics database search results Measurement E169M113 g11 E. Golovach 2005 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors rad mcb mcb 0.1122 98.5171 33.1902 0.336599 82.492 24.9342 0.560999 49.1453 10.2483 0.785398 38.0925 1.29218 1.0098 34.2336 0.748484 1.2342 29.1641 0.542439 1.4586 22.8236 0.537522 1.683 19.9341 0.562122 1.9074 18.518 0.329412 2.1318 17.8353 0.300897 2.35619 16.3308 0.298626 2.58059 15.2418 0.817295 2.80499 15.823 2.87066 3.02939 13.6809 2.02755