CLAS physics database search results Measurement E151M2361 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 270 0.4333 1.0245 0.0434 0.35 66 0.9175 1.0185 0.073 0.35 114 -1.7736 0.9061 0.1321 0.35 258 -2.1585 0.7931 0.1594 0.35 270 1.0451 0.8369 0.0815 0.45 114 -0.4193 0.9204 0.0427 0.45 258 1.0781 1.016 0.0837 0.45 270 0.4269 0.8658 0.0431 0.45 282 -0.4126 0.8312 0.0424 0.55 54 -0.0429 0.9286 0.0302 0.55 102 -1.1078 0.8585 0.0857 0.55 114 -0.696 0.7934 0.0587 0.55 126 0.2032 0.9183 0.0334 0.55 138 0.8706 1.0641 0.0699 0.55 210 0.143 0.9875 0.0317 0.55 222 -0.1288 0.868 0.0314 0.55 270 -1.3308 0.7211 0.1011 0.65 102 -0.0491 0.6893 0.0302 0.65 114 -1.9404 0.6835 0.1439 0.65 126 -0.9329 0.7195 0.074 0.65 138 -0.5809 0.8197 0.0517 0.65 186 -0.2829 1.065 0.0363 0.65 198 -0.9581 0.7513 0.0757 0.65 210 1.2076 0.9702 0.0926 0.65 222 0.5256 1.0051 0.0485 0.65 234 -0.6428 0.8686 0.0554 0.65 282 0.9986 0.876 0.0784 0.65 294 0.6007 0.7296 0.0529 0.75 78 -0.1007 0.8072 0.0309 0.75 90 -0.2795 0.7118 0.0362 0.75 102 1.3269 0.9154 0.1008 0.75 114 -0.5116 0.9551 0.0477 0.75 126 0.2323 0.6869 0.0344 0.75 186 0.0316 0.868 0.0301 0.75 198 0.2 0.8312 0.0333 0.75 210 -0.6855 0.7222 0.0581 0.75 222 -0.8423 0.9299 0.068 0.75 234 -1.0867 0.7213 0.0843 0.75 246 -0.8281 0.9717 0.0671 0.75 270 0.4631 0.8635 0.045 0.75 282 -0.2365 0.6489 0.0346 0.75 294 -0.505 0.7595 0.0473 0.85 78 -0.8712 0.6067 0.0699 0.85 90 0.1571 0.5666 0.0321 0.85 102 0.3775 0.6624 0.0406 0.85 114 -0.6339 0.766 0.0549 0.85 126 0.8752 1.0083 0.0702 0.85 162 -1.0407 0.9487 0.0812 0.85 174 -1.0735 0.7979 0.0834 0.85 186 0.28 0.8118 0.0362 0.85 198 -0.4901 0.6507 0.0465 0.85 210 -0.146 0.6266 0.0318 0.85 222 0.5655 0.6192 0.0508 0.85 234 -0.0885 0.6163 0.0307 0.85 246 -0.4077 0.6514 0.0421 0.85 258 -1.3143 0.8066 0.0999 0.85 270 -0.074 0.9661 0.0305 0.95 90 0.4979 0.7721 0.0469 0.95 102 -0.0453 0.8061 0.0302 0.95 114 0.495 0.9125 0.0468 0.95 174 -0.8189 0.7804 0.0665 0.95 186 0.3641 0.7212 0.04 0.95 198 -1.4518 0.7094 0.1095 0.95 210 -0.8181 0.7 0.0665 0.95 222 0.183 0.6222 0.0328 0.95 234 -0.3659 0.6196 0.04 0.95 246 0.2295 0.7297 0.0343 0.95 258 0.4886 0.7797 0.0464