CLAS physics database search results Measurement E151M1635 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 150 1.9478 0.8571 0.1205 0.55 162 -0.9337 0.9978 0.0635 0.55 210 -1.431 0.9874 0.0885 0.55 222 0.8293 0.9543 0.0581 0.55 234 0.991 0.8802 0.065 0.55 246 -0.6837 0.7473 0.0508 0.65 126 0.5079 0.9285 0.0427 0.65 138 -1.1785 0.8653 0.0767 0.65 150 1.9112 0.7334 0.1184 0.65 162 0.5816 0.8827 0.046 0.65 210 0.7529 0.8488 0.0542 0.65 222 1.241 0.7449 0.0802 0.65 234 0.1282 0.7345 0.031 0.65 246 0.0205 0.9506 0.03 0.75 138 -1.8794 0.6581 0.1166 0.75 150 -0.355 0.8735 0.0368 0.75 222 -1.0573 0.9468 0.0701 0.75 234 -0.2157 0.8078 0.0327 0.75 246 0.3845 0.6675 0.0378 0.85 126 0.7911 0.9249 0.0561 0.85 222 0.4751 0.7467 0.0414 0.85 234 -0.0828 0.7622 0.0304 0.85 246 -0.9159 0.6918 0.0626 0.85 258 -1.1865 0.7959 0.0772 0.95 246 -0.8171 0.7503 0.0574 0.55 258 -1.6823 1.1641 0.1023 0.65 138 0.1193 1.295 0.0308 0.65 162 1.8321 0.7283 0.1107 0.65 210 -2.2292 0.5495 0.133 0.65 222 -0.8562 0.8944 0.0581 0.65 234 -0.2836 1.0212 0.0342 0.65 246 -1.455 0.933 0.0898 0.75 222 -0.6769 1.0332 0.0495 0.75 234 -0.1697 0.9866 0.0316 0.75 246 -0.5155 1.1109 0.0424 0.75 258 -1.3624 0.8288 0.0847 0.85 222 0.2209 1.027 0.0326 0.85 234 0.7018 0.9221 0.0506 0.85 246 -1.6097 0.5297 0.0983 0.85 258 0.3286 1.2568 0.0356