CLAS physics database search results Measurement E151M2199 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 66 0.3968 0.859 0.0416 0.55 90 0.4595 0.8415 0.0448 0.55 270 0.6846 0.7946 0.058 0.65 66 0.8962 0.7223 0.0716 0.65 90 -0.0394 0.7569 0.0301 0.65 270 -0.147 0.8153 0.0318 0.65 282 0.0859 0.8239 0.0306 0.65 294 0.4714 0.7382 0.0455 0.65 306 0.3272 0.849 0.0382 0.75 78 -0.9496 0.6415 0.0751 0.75 90 -0.7298 0.7585 0.0608 0.75 102 -0.4872 0.8461 0.0463 0.75 258 1.3092 0.6004 0.0996 0.75 270 -0.0117 0.7979 0.03 0.75 282 -1.2372 0.5925 0.0946 0.75 294 0.3593 0.7394 0.0397 0.75 306 1.509 0.6391 0.1135 0.75 318 0.0052 0.7525 0.03 0.85 234 0.4732 0.8045 0.0456 0.85 258 1.5588 0.6689 0.1169 0.85 270 -0.1841 0.6209 0.0328 0.85 282 0.1834 0.8034 0.0328 0.85 294 -0.4436 0.7116 0.044 0.85 306 1.1744 0.6723 0.0903 0.95 90 1.5523 0.5759 0.1165