CLAS physics database search results Measurement E151M2372 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 78 -0.235 1.0945 0.0345 0.35 78 -0.9579 0.9775 0.0757 0.35 270 -1.3479 1.0251 0.1022 0.35 282 0.5829 0.9196 0.0518 0.45 114 -1.7103 1.0074 0.1276 0.45 270 -1.0066 0.9202 0.0789 0.55 54 -1.4607 0.9532 0.1101 0.55 102 0.3875 1.02 0.0411 0.55 114 -0.5201 0.8888 0.0482 0.55 126 0.7652 0.8391 0.0631 0.55 138 0.4733 1.0436 0.0456 0.55 186 -0.6255 1.1134 0.0544 0.55 198 -1.551 1.011 0.1164 0.55 210 -1.463 1.0494 0.1102 0.55 222 -0.7314 1.075 0.0609 0.55 270 0.0709 0.9456 0.0304 0.65 54 -0.0857 0.8745 0.0306 0.65 114 -0.9821 0.7454 0.0773 0.65 126 -0.9979 0.854 0.0783 0.65 138 0.0558 0.966 0.0303 0.65 150 -0.1677 1.0769 0.0324 0.65 198 1.208 0.8617 0.0926 0.65 210 -0.7595 0.906 0.0627 0.65 222 1.5702 0.808 0.1177 0.65 270 -1.5609 1.0158 0.1171 0.65 282 -0.5355 0.8122 0.0491 0.65 294 0.2003 0.848 0.0333 0.75 90 0.509 0.9569 0.0476 0.75 102 -0.1015 0.8687 0.0309 0.75 114 -0.5917 0.8728 0.0524 0.75 126 -1.7056 1.0181 0.1273 0.75 138 -2.0266 0.9855 0.15 0.75 150 -2.3272 0.7529 0.1714 0.75 174 0.7582 1.0774 0.0626 0.75 198 -1.2538 0.8342 0.0957 0.75 210 0.8616 0.8537 0.0693 0.75 222 1.3481 0.848 0.1023 0.75 234 0.2422 0.7972 0.0348 0.75 246 -0.5408 0.9861 0.0494 0.75 258 -1.6071 0.9299 0.1203 0.75 270 1.1648 0.7127 0.0896 0.75 282 -1.1393 0.6816 0.0879 0.75 294 0.4097 0.7817 0.0422 0.85 78 -0.1533 1.0004 0.032 0.85 90 -0.5537 0.6613 0.0501 0.85 102 0.0912 0.6575 0.0307 0.85 114 0.4055 0.6748 0.042 0.85 126 -0.0402 0.7765 0.0301 0.85 138 1.9542 0.8217 0.1448 0.85 162 -0.3949 0.9757 0.0415 0.85 174 -0.7279 0.7692 0.0607 0.85 186 -0.1149 0.7174 0.0311 0.85 198 -0.9053 0.7003 0.0722 0.85 210 0.0537 0.6729 0.0303 0.85 222 0.2896 0.6731 0.0366 0.85 234 0.702 0.736 0.0591 0.85 246 -0.7513 0.8142 0.0622 0.85 258 -0.8439 0.9798 0.0681 0.85 270 -0.6364 0.992 0.055 0.95 102 -1.8549 0.747 0.1378 0.95 186 -1.325 0.8892 0.1007 0.95 198 -1.6062 0.7758 0.1203 0.95 210 0.1819 0.6403 0.0328 0.95 222 -1.3822 0.6781 0.1046 0.95 234 -0.3851 0.784 0.041 0.95 246 -0.8547 0.8549 0.0689