CLAS physics database search results Measurement E151M2109 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 126 0.0247 0.7912 0.0301 0.55 270 0.852 0.733 0.0838 0.55 282 0.1577 0.7573 0.0333 0.65 114 -0.5537 0.9517 0.0591 0.65 294 0.6159 0.7068 0.0641 0.75 126 1.0164 0.9967 0.0981 0.75 210 -1.4672 0.7905 0.1381 0.75 234 1.8514 0.7146 0.1728 0.75 282 -1.3935 0.5838 0.1315 0.85 102 0.5057 0.8659 0.0553 0.85 114 -1.1716 1.0085 0.1118 0.85 210 -0.0961 0.8984 0.0313 0.85 222 -1.6021 0.7586 0.1503 0.85 234 -1.8752 0.7576 0.1749 0.95 234 -2.7326 2.635 0.2529 0.45 78 -0.4873 0.7279 0.0436 0.45 270 -0.2158 0.7888 0.0331 0.45 282 -1.3815 0.7505 0.0947 0.55 114 0.8572 0.7971 0.0633 0.65 126 -1.1808 0.8418 0.0825 0.65 138 -1.2074 0.9309 0.0841 0.65 222 -1.1241 0.7437 0.079 0.65 294 0.1477 0.8121 0.0315 0.75 114 -0.4513 0.8659 0.042 0.75 126 -1.6841 0.7866 0.1136 0.75 222 -1.529 0.9907 0.1039 0.75 234 2.1568 0.8723 0.1435 0.75 282 -0.2182 0.692 0.0332 0.75 294 -1.3291 0.7518 0.0915 0.85 90 -0.7309 0.9286 0.0562 0.85 102 -0.2587 0.8459 0.0344 0.85 198 -1.4582 0.9372 0.0995 0.85 210 0.565 0.8769 0.0474 0.85 222 1.1059 0.8026 0.0779 0.85 234 -1.8656 0.9187 0.125 0.85 246 -0.3283 0.8718 0.0368 0.95 246 0.338 1.4778 0.0372