CLAS physics database search results Measurement E169M105 g11 E. Golovach 2005 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors rad mcb mcb 0.1122 38.8595 8.07145 0.336599 44.6825 4.69522 0.560999 45.6859 3.9635 0.785398 43.2491 3.56136 1.0098 37.8121 2.87004 1.2342 28.9548 2.19849 1.4586 24.8454 1.91281 1.683 21.3083 1.36054 1.9074 22.3403 1.20192 2.1318 19.6684 0.973104 2.35619 20.338 1.15582 2.58059 21.65 2.22392 2.80499 27.7414 9.34405 3.02939 30.6442 11.2227