CLAS physics database search results Measurement E151M2198 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 282 0.8852 0.7414 0.0709 0.55 66 2.4594 2.4594 0.1808 0.55 78 0.571 0.7685 0.0511 0.55 90 0.8813 0.742 0.0706 0.55 270 -0.8103 0.8005 0.066 0.55 294 -0.0793 0.8174 0.0305 0.65 66 0.8134 0.7092 0.0662 0.65 78 -1.9716 0.6094 0.1461 0.65 90 0.7464 0.6832 0.0619 0.65 102 -0.3008 0.716 0.0371 0.65 270 0.9067 0.7486 0.0723 0.65 282 -0.1736 0.6462 0.0325 0.65 294 0.3029 0.7 0.0372 0.65 306 0.8209 0.6874 0.0667 0.75 66 -0.5592 0.6888 0.0504 0.75 78 0.3597 0.6657 0.0398 0.75 90 -0.2278 0.6569 0.0342 0.75 102 0.2562 0.9204 0.0353 0.75 258 -1.0333 0.7711 0.0807 0.75 270 0.4554 0.6439 0.0446 0.75 282 -0.1313 0.6505 0.0315 0.75 294 1.5043 0.6109 0.1131 0.75 306 1.3725 0.5685 0.1039 0.75 318 -1.1027 0.687 0.0854 0.85 54 1.2286 0.6176 0.094 0.85 66 -0.973 0.5739 0.0767 0.85 78 -0.0201 0.6579 0.03 0.85 90 -0.0483 0.7068 0.0302 0.85 102 0.6995 0.7325 0.0589 0.85 114 1.0742 0.8102 0.0835 0.85 246 -0.6024 0.7571 0.053 0.85 258 1.0156 0.5452 0.0795 0.85 270 0.4511 0.5556 0.0444 0.85 282 0.7582 0.603 0.0626 0.85 294 -0.04 0.6922 0.0301 0.85 306 0.7286 0.6228 0.0608 0.85 318 0.5349 0.697 0.049 0.85 330 2.8698 2.8698 0.2102 0.95 78 0.4974 0.6912 0.0469 0.95 258 0.2583 0.6807 0.0354 0.95 306 0.0938 0.5808 0.0308