CLAS physics database search results Measurement E151M1878 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.35 18 0.3489 0.9591 0.0367 0.35 78 -0.5759 0.9899 0.046 0.35 90 -0.381 0.976 0.0379 0.35 102 0.8548 0.9817 0.0599 0.35 270 1.4744 0.7345 0.0942 0.35 294 -1.1245 0.8954 0.0744 0.45 66 -1.8479 0.8443 0.1159 0.45 78 -0.957 0.6657 0.0653 0.45 90 -0.6724 0.8259 0.0506 0.45 126 -0.2771 0.9325 0.0344 0.45 210 -0.4585 0.9295 0.0409 0.45 222 1.2757 0.7737 0.0829 0.45 258 -0.4866 0.9203 0.0421 0.45 270 -0.8395 0.8385 0.0591 0.45 282 -0.9583 0.6464 0.0654 0.55 78 0.4211 0.9565 0.0394 0.55 90 -1.2461 0.873 0.0812 0.55 114 0.0297 0.8966 0.0301 0.55 126 -0.1405 0.8578 0.0312 0.55 138 -0.4324 0.7614 0.0398 0.55 198 0.4094 0.8601 0.0389 0.55 210 0.0546 0.8275 0.0302 0.55 222 -1.8295 0.7719 0.1148 0.55 246 0.9366 0.7801 0.0642 0.55 258 -1.5279 0.6985 0.0973 0.55 270 -1.2174 0.5645 0.0796 0.55 282 0.174 0.7321 0.0318 0.65 78 -0.088 0.9068 0.0305 0.65 102 1.3957 0.8654 0.0897 0.65 114 0.111 0.7847 0.0307 0.65 126 0.4921 0.7388 0.0423 0.65 138 0.4753 0.7028 0.0416 0.65 150 0.2337 0.8662 0.0332 0.65 198 -0.3251 0.9331 0.0359 0.65 210 -0.3563 0.7328 0.037 0.65 222 0.4059 0.6433 0.0388 0.65 234 0.9755 0.7145 0.0663 0.65 246 -1.0059 0.8013 0.0679 0.65 270 -1.2853 0.8903 0.0835 0.65 282 -0.0513 0.703 0.0302 0.65 294 -0.195 0.9428 0.0322 0.75 66 0.138 0.8601 0.0311 0.75 78 1.1449 0.7297 0.0756 0.75 114 0.3512 0.9059 0.0368 0.75 126 0.0043 0.8547 0.03 0.75 138 0.5459 0.766 0.0447 0.75 198 0.0801 0.7787 0.0304 0.75 210 -0.0207 0.6326 0.03 0.75 222 -0.7851 0.6261 0.0562 0.75 234 -0.7254 0.7483 0.0532 0.75 258 -2.1671 0.6174 0.1347 0.75 270 -1.0257 0.6546 0.069 0.75 282 0.2355 0.5859 0.0332 0.75 294 -1.4325 0.6773 0.0918 0.85 102 1.0124 0.8022 0.0683 0.85 114 0.5535 0.619 0.045 0.85 126 1.075 0.7042 0.0717 0.85 138 -0.1212 0.9625 0.0309 0.85 186 -0.8244 0.9553 0.0583 0.85 198 0.5562 0.7771 0.0451 0.85 210 -1.1405 0.6173 0.0753 0.85 222 0.2195 0.6341 0.0328 0.85 234 0.0923 0.6593 0.0305 0.85 246 -1.3066 0.6967 0.0847 0.95 126 -0.418 0.8568 0.0393 0.95 222 0.2386 0.7725 0.0333