CLAS physics database search results Measurement E169M69 g11 E. Golovach 2005 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors rad mcb mcb 0.1122 36.2158 9.69884 0.336599 42.3494 5.75478 0.560999 44.8326 4.54828 0.785398 44.5327 4.41948 1.0098 40.0001 3.56961 1.2342 32.1101 2.64223 1.4586 28.2233 2.07568 1.683 24.4118 1.78201 1.9074 24.648 1.43714 2.1318 19.8778 1.13446 2.35619 21.8156 1.52857 2.58059 24.537 3.57024 2.80499 28.583 9.44981 3.02939 34.7266 12.7176