CLAS physics database search results Measurement E151M1876 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 90 0.2073 1.022 0.0325 0.35 66 -0.1225 0.8934 0.0309 0.35 78 2.0367 0.7673 0.127 0.35 90 0.4773 0.9477 0.0417 0.35 270 0.0915 0.9141 0.0305 0.35 282 -0.4092 0.802 0.0389 0.45 18 -1.156 0.8737 0.0762 0.45 66 0.9294 0.9409 0.0638 0.45 78 0.7457 0.7639 0.0542 0.45 126 0.3122 0.9744 0.0355 0.45 138 0.6504 1.0097 0.0495 0.45 246 -0.7281 0.9348 0.0534 0.45 258 -0.8439 0.8155 0.0593 0.45 270 0.0349 0.7095 0.0301 0.45 282 -0.0962 0.714 0.0306 0.45 294 -0.5495 0.8098 0.0448 0.55 78 -0.1965 0.833 0.0323 0.55 90 -0.3442 0.8296 0.0365 0.55 114 -1.188 0.7851 0.078 0.55 126 -0.71 0.8079 0.0524 0.55 138 -1.2125 0.724 0.0794 0.55 150 0.1523 0.9299 0.0314 0.55 210 -0.1609 0.7333 0.0315 0.55 222 -0.7409 0.9431 0.054 0.55 258 -0.2462 0.8123 0.0335 0.55 270 0.1728 0.682 0.0318 0.55 282 1.3146 0.6733 0.0851 0.65 78 -1.9055 0.7979 0.1193 0.65 114 -1.8608 0.7355 0.1167 0.65 126 -0.8796 0.7002 0.0612 0.65 138 -0.1118 0.7985 0.0308 0.65 150 -0.0841 0.9013 0.0304 0.65 198 0.5337 0.8038 0.0441 0.65 210 0.8432 0.6939 0.0593 0.65 222 -0.5229 0.6822 0.0436 0.65 234 -1.4451 0.7928 0.0926 0.65 246 0.6596 0.9061 0.05 0.65 282 0.2297 0.8883 0.0331 0.65 294 2.2766 0.5659 0.1412 0.75 54 0.3391 0.8738 0.0364 0.75 66 0.4679 0.6687 0.0413 0.75 78 -0.3472 0.8137 0.0366 0.75 126 -1.0265 0.8985 0.0691 0.75 138 -0.1383 0.8807 0.0311 0.75 198 -0.5812 0.8585 0.0463 0.75 210 -0.5681 0.643 0.0457 0.75 222 -0.0299 0.6407 0.0301 0.75 234 -0.2729 0.8621 0.0343 0.75 258 -1.8281 0.6672 0.1148 0.75 270 -0.3887 0.5893 0.0381 0.75 282 -0.3052 0.6977 0.0352 0.75 294 -0.1363 0.8059 0.0311 0.85 102 1.9145 0.8138 0.1198 0.85 114 0.3192 0.7278 0.0357 0.85 126 0.6227 0.7487 0.0482 0.85 198 0.4321 0.9292 0.0398 0.85 210 -1.3267 0.719 0.0858 0.85 222 1.0077 0.5705 0.068 0.85 234 -0.4156 0.8161 0.0392 0.85 246 0.0804 0.8989 0.0304