CLAS physics database search results Measurement E151M1564 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.55 246 0.1618 0.8131 0.0315 0.65 126 -0.3423 0.8927 0.0363 0.65 138 1.3994 0.9597 0.0891 0.65 222 -0.3192 0.838 0.0356 0.65 234 -0.2687 0.7888 0.034 0.65 246 0.8966 0.734 0.0615 0.65 258 0.085 0.7733 0.0304 0.75 114 -0.1134 0.8678 0.0308 0.75 126 0.3171 0.9141 0.0355 0.75 138 0.5129 0.7877 0.043 0.75 222 -0.4997 0.7327 0.0424 0.75 234 0.6201 0.8291 0.0478 0.75 246 -1.3401 0.5909 0.0857 0.75 258 0.1466 0.6893 0.0313 0.75 270 1.6802 0.6288 0.1051 0.85 126 -0.7763 0.7605 0.0554 0.85 138 -1.7803 0.7585 0.1108 0.85 150 0.1687 0.8926 0.0317 0.85 162 0.0057 0.843 0.03 0.85 234 2.0303 0.7411 0.1253 0.85 246 -0.6713 0.638 0.0502 0.85 258 0.4558 0.5726 0.0406 0.85 270 -0.1147 0.6912 0.0308 0.85 282 0.2833 0.6589 0.0345 0.95 90 0.4681 0.739 0.0411 0.95 234 0.6267 0.8179 0.0481 0.95 258 1.9462 0.5899 0.1204 0.95 270 1.3601 0.5529 0.0869 0.95 282 0.8988 0.663 0.0617 0.55 258 1.1008 0.9609 0.0707 0.65 114 1.7084 0.9555 0.1038 0.65 126 -0.4439 1.1634 0.0396 0.65 138 2.2565 0.7451 0.1346 0.65 234 -0.6981 0.8808 0.0505 0.65 246 1.0657 0.7983 0.0688 0.65 258 0.4601 0.8008 0.0402 0.75 126 0.8192 0.9093 0.0563 0.75 138 -0.1001 1.1775 0.0306 0.75 222 -0.786 1.0252 0.0547 0.75 234 1.5003 0.6889 0.0923 0.75 246 0.3451 0.7756 0.0361 0.75 258 0.8503 0.8237 0.0578 0.75 270 0.379 0.9544 0.0372 0.85 102 2.0852 0.6781 0.1249 0.85 114 -0.4083 1.1216 0.0383 0.85 126 1.52 0.9558 0.0933 0.85 138 1.5833 0.9178 0.0968 0.85 222 1.8002 0.7079 0.1089 0.85 234 -1.9892 0.5989 0.1195 0.85 246 -0.0346 0.9031 0.0301 0.85 258 0.6396 0.7145 0.0478 0.85 270 0.5114 0.7551 0.0422 0.85 282 1.1294 0.8354 0.0722 0.95 90 0.5881 0.9632 0.0455 0.95 102 1.9235 0.5953 0.1158 0.95 114 1.9001 0.5811 0.1145 0.95 234 0.0328 1.0073 0.0301 0.95 258 0.0739 0.7474 0.0303 0.95 270 1.967 1.967 0.1182 0.95 282 1.459 0.9889 0.09