CLAS physics database search results Measurement E169M6 g11 E. Golovach 2005 theta(pi+) dsigma/d(−cos(theta_pip)) Data errors rad mcb mcb 0.1122 54.7824 18.8045 0.336599 53.6999 7.61409 0.560999 53.7595 6.42841 0.785398 56.8185 6.71869 1.0098 52.0573 5.95552 1.2342 46.8987 4.12004 1.4586 42.6342 3.47272 1.683 40.4152 2.8634 1.9074 35.87 2.32539 2.1318 33.1056 2.04413 2.35619 37.8526 2.26257 2.58059 42.6726 8.10348 2.80499 37.22 9.54354 3.02939 37.0138 9.07285