CLAS physics database search results Measurement E151M2266 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 282 1.5056 0.6428 0.1132 0.25 294 -0.2223 0.8389 0.0341 0.45 90 0.1664 0.8387 0.0323 0.45 102 -0.1441 0.7803 0.0318 0.55 78 -1.6004 0.6979 0.1199 0.55 90 0.9144 0.7757 0.0728 0.55 102 -1.9122 0.683 0.1419 0.65 54 0.5284 0.9546 0.0487 0.65 78 0.4159 0.6557 0.0425 0.65 90 1.0768 0.9173 0.0836 0.65 102 0.5961 0.6724 0.0526 0.65 114 -0.1799 0.8718 0.0327 0.65 246 -0.2512 0.7088 0.0351 0.65 258 -0.0257 0.9153 0.0301 0.75 54 -0.3156 0.7115 0.0377 0.75 78 1.534 0.8541 0.1152 0.75 90 1.3665 0.5946 0.1035 0.75 102 0.7311 0.7152 0.0609 0.75 114 -0.9625 0.9319 0.076 0.75 222 -0.6708 0.7697 0.0571 0.75 234 -0.1111 0.7975 0.0311 0.75 246 -1.2461 0.7109 0.0952 0.75 258 0.1319 0.8702 0.0315 0.75 270 1.7684 0.6905 0.1317 0.75 282 -0.2007 0.8014 0.0333 0.75 294 -0.0331 0.8477 0.0301 0.85 54 0.6529 0.8058 0.056 0.85 90 1.4178 0.6957 0.1071 0.85 222 0.026 0.8861 0.0301 0.85 234 0.1393 0.866 0.0317 0.85 246 0.4491 0.7701 0.0443 0.85 258 0.2721 0.6372 0.0359 0.85 270 0.5309 0.6378 0.0488 0.85 282 0.1775 0.544 0.0326 0.85 294 -0.5681 0.6079 0.051 0.85 306 0.933 0.6116 0.074 0.85 318 -0.839 0.6587 0.0678 0.95 210 0.6659 0.894 0.0568 0.95 234 0.5672 0.732 0.0509 0.95 246 -0.3038 0.7926 0.0372 0.95 258 -0.3909 0.8312 0.0413 0.95 270 -0.1302 0.6823 0.0315 0.95 282 0.6038 0.6982 0.0531 0.95 294 0.217 0.5956 0.0339 0.95 306 0.5902 0.6318 0.0523 0.95 318 0.7968 0.5793 0.0651 0.95 330 -0.3656 0.6423 0.04 0.95 342 2.1967 2.1967 0.1621