CLAS physics database search results Measurement E151M2337 EG4 Xiaochao Zheng 2016 cos(theta_pi+) phi(pi+) A_LL Stat. error Syst. error degrees 0.35 270 0.0875 0.8225 0.0307 0.45 102 0.8641 0.7589 0.0695 0.45 270 0.6724 0.835 0.0572 0.45 282 -0.5503 0.8822 0.0499 0.55 90 0.055 0.8574 0.0303 0.55 102 -0.9018 0.9403 0.0719 0.55 114 0.4604 0.8196 0.0449 0.55 126 1.3068 0.9178 0.0994 0.65 90 -0.6073 0.8149 0.0533 0.65 102 1.1768 0.8144 0.0905 0.65 114 -0.383 0.7593 0.0409 0.65 126 -1.3578 0.7432 0.1029 0.65 198 -2.2406 0.7566 0.1652 0.65 210 1.1628 1.0415 0.0895 0.65 222 0.237 0.916 0.0346 0.65 234 -0.0476 0.8796 0.0302 0.65 294 -0.4654 0.7279 0.0452 0.65 306 -0.772 0.8406 0.0635 0.75 66 -0.4974 0.9709 0.0469 0.75 78 0.1109 0.741 0.0311 0.75 102 -0.2122 0.7569 0.0337 0.75 114 -0.5667 0.6942 0.0509 0.75 126 -1.0182 0.9659 0.0797 0.75 138 -2.4399 0.8546 0.1794 0.75 198 0.0925 0.9875 0.0307 0.75 210 -0.2354 0.8461 0.0345 0.75 222 0.0522 0.8177 0.0302 0.75 234 0.6726 0.8422 0.0573 0.75 246 -0.0882 0.8965 0.0307 0.75 258 -0.6713 0.9094 0.0572 0.75 282 -1.5976 0.8534 0.1197 0.75 294 0.2376 0.8191 0.0346 0.85 66 0.494 0.7153 0.0467 0.85 78 -0.4315 0.5849 0.0433 0.85 90 0.0087 0.6084 0.03 0.85 102 -1.1083 0.8642 0.0858 0.85 114 0.8419 0.9552 0.068 0.85 186 -0.2681 0.948 0.0357 0.85 198 -0.4085 0.6953 0.0422 0.85 210 -0.4149 0.6497 0.0425 0.85 222 0.6682 0.7242 0.057 0.85 234 0.4186 0.6482 0.0427 0.85 246 -0.0612 0.5391 0.0303 0.85 258 0.6816 0.6346 0.0578 0.85 270 0.6885 0.8789 0.0582 0.95 78 0.74 0.8143 0.0615 0.95 90 -0.3786 0.7855 0.0407 0.95 186 0.3623 0.8961 0.0399 0.95 198 -0.1281 0.8296 0.0314 0.95 210 0.4925 0.8202 0.0466 0.95 222 0.0892 0.7781 0.0307 0.95 234 -0.0255 0.7241 0.0301 0.95 246 -0.3501 0.564 0.0393 0.95 258 -0.8001 0.615 0.0653 0.95 270 -1.0724 0.5939 0.0833 0.95 282 0.7181 0.653 0.0601 0.95 294 -1.5298 0.6178 0.1149