CLAS physics database search results Measurement E169M59 g11 E. Golovach 2005 theta(pi-) dsigma/d(−cos(theta_pim)) Data errors rad mcb mcb 0.1122 97.1432 38.1422 0.336599 87.2304 32.0501 0.560999 55.6203 15.8985 0.785398 41.5384 2.4841 1.0098 38.0832 1.41018 1.2342 31.9848 0.840532 1.4586 27.0543 0.770733 1.683 24.6078 0.798991 1.9074 22.762 0.560435 2.1318 22.0339 0.578608 2.35619 21.446 0.663392 2.58059 24.4538 2.74745 2.80499 23.7596 3.79593 3.02939 21.6323 2.75212