CLAS physics database search results Measurement E151M2302 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.45 90 -0.7067 1.0488 0.0594 0.45 102 0.7888 1.0865 0.0646 0.45 282 -2.4572 0.7569 0.1807 0.55 90 -0.5413 0.919 0.0494 0.55 102 -0.185 0.8686 0.0329 0.55 114 0.706 0.9419 0.0593 0.65 90 -2.0191 0.8256 0.1495 0.65 102 1.7101 0.7948 0.1276 0.65 114 -0.6041 1.0112 0.0531 0.65 126 -1.0436 0.96 0.0814 0.65 234 -0.0607 1.0074 0.0303 0.65 306 1.154 0.9008 0.0889 0.75 54 -0.3241 1.0175 0.0381 0.75 66 0.4007 0.8661 0.0418 0.75 90 0.0599 0.821 0.0303 0.75 102 0.0949 0.8243 0.0308 0.75 114 0.1647 0.8253 0.0323 0.75 126 0.1889 0.9557 0.033 0.75 210 1.1275 0.9947 0.0871 0.75 222 1.2668 0.9362 0.0966 0.75 234 0.8708 0.8034 0.0699 0.75 246 0.3039 0.7639 0.0372 0.75 258 0.3785 0.888 0.0407 0.75 270 0.2006 0.9883 0.0333 0.85 54 -1.1277 0.8011 0.0871 0.85 66 0.6017 0.7187 0.053 0.85 78 -1.1156 0.8769 0.0863 0.85 114 1.3919 0.7678 0.1053 0.85 126 1.088 0.9467 0.0844 0.85 174 0.5305 1.0858 0.0488 0.85 198 -1.2393 0.9398 0.0947 0.85 210 -0.1121 0.894 0.0311 0.85 222 1.359 0.9367 0.103 0.85 234 0.726 0.8364 0.0606 0.85 246 0.8786 0.7176 0.0704 0.85 258 1.5168 0.5851 0.114 0.85 270 -0.2424 0.6 0.0348 0.85 282 0.8326 0.7218 0.0674 0.95 186 -0.0254 0.9254 0.0301 0.95 222 -0.8502 0.8062 0.0686 0.95 234 1.3556 0.7315 0.1028 0.95 246 0.5306 0.727 0.0488 0.95 258 -0.3009 0.6759 0.0371 0.95 270 -0.7951 0.7399 0.065 0.95 282 -0.6061 0.6415 0.0532 0.95 294 1.5076 0.6262 0.1134 0.95 306 0.9883 0.5665 0.0777 0.95 318 -0.7188 0.5765 0.0601 0.95 330 0.7984 0.7609 0.0652