CLAS physics database search results Measurement E151M1565 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 234 2.1726 0.8645 0.1298 0.55 246 0.6961 1.105 0.0504 0.55 258 1.0159 0.6348 0.068 0.65 126 -0.6272 1.2386 0.0472 0.65 138 -0.1804 1.3495 0.0318 0.65 234 0.9336 0.9596 0.062 0.65 246 -0.8046 0.9013 0.0568 0.65 258 -0.35 0.583 0.0386 0.75 114 1.7443 0.6375 0.1088 0.75 126 1.2075 0.9111 0.0783 0.75 222 0.0246 0.6821 0.03 0.75 234 0.841 0.66 0.0587 0.75 246 -0.1899 0.9357 0.0321 0.75 270 -0.5781 0.8142 0.0458 0.85 114 0.947 0.9297 0.0642 0.85 138 0.2609 0.8739 0.0338 0.85 150 0.477 0.7503 0.0414 0.85 234 -0.3738 0.7078 0.0374 0.85 246 0.8795 0.7841 0.0607 0.85 258 -0.8802 0.7928 0.0607 0.85 270 1.1494 0.6625 0.0751 0.85 282 -0.0516 0.7142 0.0302 0.95 78 1.7821 0.7013 0.1109 0.95 90 0.1012 0.7851 0.0306 0.95 246 1.3119 0.624 0.0842 0.95 258 0.5388 0.7313 0.0441 0.95 270 -0.0401 0.7389 0.0301 0.95 282 -0.1341 0.6675 0.0311 0.65 270 0.5577 1.1285 0.0442 0.75 114 0.891 1.3391 0.0599 0.75 126 -0.2776 1.0393 0.0341 0.75 138 1.6407 0.8614 0.1 0.75 150 0.9576 1.2802 0.0632 0.75 222 -1.0645 0.9772 0.0688 0.75 246 0.0661 1.0224 0.0302 0.75 258 -1.226 0.8861 0.0773 0.75 270 0.5942 1.0588 0.0458 0.85 114 0.8116 1.0882 0.0559 0.85 126 0.7746 0.9263 0.0541 0.85 246 -0.0999 0.8594 0.0306 0.85 258 -0.7272 0.831 0.0518 0.85 270 0.5824 0.9778 0.0452 0.85 282 -1.6092 0.6554 0.0983 0.95 90 2.2243 2.2243 0.1328 0.95 246 1.0343 0.8004 0.0672 0.95 258 0.0002 0.9663 0.03 0.95 270 0.5379 0.8407 0.0433 0.95 282 -0.8055 0.874 0.0556