CLAS physics database search results Measurement E151M1892 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.35 78 -1.2885 0.7452 0.0836 0.35 270 -0.2397 0.691 0.0333 0.35 282 0.8119 0.7379 0.0576 0.45 18 -0.9579 0.8283 0.0653 0.45 30 0.3596 0.9169 0.0371 0.45 66 -0.0959 0.9949 0.0306 0.45 78 0.1043 0.8074 0.0307 0.45 258 -0.3054 0.8137 0.0352 0.45 270 0.0334 0.7046 0.0301 0.45 282 0.0973 0.7755 0.0306 0.45 330 1.3378 0.8264 0.0864 0.55 78 -1.6962 0.8714 0.1071 0.55 90 -0.3489 0.9519 0.0367 0.55 114 -0.1917 0.8558 0.0322 0.55 126 -0.4673 0.7115 0.0413 0.55 138 0.7809 0.9297 0.056 0.55 150 -0.4511 0.9339 0.0406 0.55 198 -0.0163 0.8424 0.03 0.55 210 -0.4904 0.869 0.0422 0.55 222 -1.0355 0.8139 0.0695 0.55 258 -2.0044 0.6531 0.1251 0.55 270 0.0607 0.7119 0.0302 0.55 282 0.4484 0.9341 0.0405 0.65 78 -0.2053 0.8928 0.0325 0.65 114 -0.375 0.9565 0.0376 0.65 126 -0.904 0.6986 0.0625 0.65 138 0.0536 0.811 0.0302 0.65 150 0.3568 0.8847 0.037 0.65 198 -0.3451 0.9129 0.0366 0.65 210 -0.5282 0.781 0.0439 0.65 222 -1.3135 0.6832 0.0851 0.65 234 0.2801 0.9201 0.0345 0.65 270 -1.2452 0.7312 0.0812 0.65 282 -1 0.7111 0.0676 0.75 66 -0.5715 0.9118 0.0458 0.75 78 -0.861 0.9625 0.0602 0.75 198 -0.7407 0.7446 0.054 0.75 210 0.985 0.6537 0.0668 0.75 222 -0.1037 0.7818 0.0307 0.75 234 0.7272 0.7677 0.0533 0.75 246 0.4495 0.8825 0.0405 0.75 270 0.9446 0.5947 0.0646 0.75 282 0.7028 0.6458 0.0521 0.85 114 0.2898 0.75 0.0348 0.85 126 -0.3556 0.8148 0.0369 0.85 198 -0.1848 0.8069 0.032 0.85 210 -1.0729 0.6379 0.0716 0.85 222 -1.4082 0.7099 0.0905 0.85 234 -0.4811 0.8068 0.0418 0.85 258 0.5106 0.8178 0.0431 0.85 270 -0.234 0.7461 0.0332 0.85 282 -1.4754 0.7224 0.0943