CLAS physics database search results Measurement E151M1825 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.25 66 -0.8394 0.7808 0.0591 0.25 294 0.6993 0.8118 0.0519 0.35 66 0.045 0.7806 0.0301 0.35 78 -0.0838 0.8583 0.0304 0.35 282 -1.5722 0.6461 0.0999 0.35 306 -0.3855 0.7739 0.038 0.45 66 0.9968 0.8156 0.0674 0.45 78 1.0127 0.8154 0.0683 0.45 282 -0.3784 0.757 0.0378 0.45 294 1.3033 0.7001 0.0845 0.55 66 0.6479 0.782 0.0494 0.55 114 0.0766 0.7817 0.0304 0.55 282 0.6432 0.7908 0.0492 0.55 306 0.1806 0.7851 0.0319 0.65 102 1.1877 0.7056 0.078 0.65 114 -0.4417 0.7141 0.0402 0.65 126 -0.9456 0.7187 0.0647 0.65 222 0.7178 0.7738 0.0528 0.65 234 -1.0973 0.7197 0.0729 0.65 246 -0.5242 0.6729 0.0437 0.65 258 1.1053 0.7683 0.0734 0.65 294 -0.2286 0.8029 0.033 0.75 90 0.6981 0.7877 0.0519 0.75 102 0.5808 0.6877 0.0462 0.75 114 -0.0047 0.6536 0.03 0.75 126 -0.2176 0.697 0.0328 0.75 210 -0.3575 0.8245 0.037 0.75 234 -0.031 0.7127 0.0301 0.75 246 0.1691 0.6029 0.0317 0.75 258 -0.945 0.5593 0.0646 0.75 270 0.1921 0.757 0.0322 0.85 78 0.9119 0.8157 0.0629 0.85 102 0.4496 0.7158 0.0405 0.85 114 0.9418 0.6577 0.0645 0.85 126 0.0686 0.7553 0.0303 0.85 138 0.7178 0.7693 0.0528 0.85 210 0.0161 0.7957 0.03 0.85 222 0.9432 0.6888 0.0645 0.85 234 0.6631 0.6183 0.0501 0.85 246 -0.4707 0.4973 0.0414 0.85 258 -0.5463 0.6158 0.0447 0.85 270 -0.1871 0.5768 0.0321 0.85 282 1.1427 0.7208 0.0755 0.95 78 0.1384 0.7629 0.0312 0.95 90 0.491 0.7265 0.0423 0.95 222 1.7824 0.503 0.1121 0.95 234 0.223 0.7092 0.0329 0.95 246 1.4887 0.5096 0.0951 0.95 258 0.1381 0.5908 0.0311 0.95 270 -0.2242 0.6493 0.0329 0.95 282 0.2642 0.6254 0.034 0.95 294 0.3516 0.6613 0.0368