Measurement E151M860
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.0796 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.899 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | -0.204 | 0.678 |
| 0.35 | 78.0 | 2.5026 | 0.7658 |
| 0.35 | 270.0 | 0.4252 | 0.7289 |
| 0.35 | 282.0 | -1.3675 | 0.5532 |
| 0.45 | 66.0 | -0.1002 | 0.7527 |
| 0.45 | 78.0 | 0.2032 | 0.7192 |
| 0.45 | 90.0 | -0.5509 | 0.7283 |
| 0.45 | 102.0 | 0.6143 | 0.9872 |
| 0.45 | 114.0 | -0.7544 | 0.9154 |
| 0.45 | 126.0 | -0.1515 | 0.9406 |
| 0.45 | 270.0 | 1.0093 | 0.6119 |
| 0.45 | 282.0 | 0.9881 | 0.6473 |
| 0.45 | 294.0 | -0.4712 | 0.5882 |
| 0.55 | 78.0 | 0.586 | 0.9161 |
| 0.55 | 90.0 | -0.9385 | 0.7895 |
| 0.55 | 114.0 | -0.9752 | 0.6876 |
| 0.55 | 138.0 | -0.5007 | 0.7921 |
| 0.55 | 222.0 | -0.0744 | 0.8493 |
| 0.55 | 234.0 | 3.2383 | 3.2383 |
| 0.55 | 246.0 | -0.2302 | 0.7683 |
| 0.55 | 258.0 | 2.1525 | 0.8655 |
| 0.55 | 270.0 | -0.052 | 0.5914 |
| 0.55 | 282.0 | -0.2501 | 0.6119 |
| 0.65 | 78.0 | -0.6415 | 0.784 |
| 0.65 | 90.0 | -0.5042 | 0.9153 |
| 0.65 | 102.0 | 2.0744 | 1.0791 |
| 0.65 | 114.0 | 0.6185 | 0.7914 |
| 0.65 | 126.0 | -1.1944 | 0.7341 |
| 0.65 | 138.0 | -1.7558 | 0.5978 |
| 0.65 | 150.0 | -0.2239 | 0.8319 |
| 0.65 | 162.0 | -0.9341 | 0.9214 |
| 0.65 | 198.0 | -1.6382 | 0.7093 |
| 0.65 | 210.0 | 0.5145 | 0.8195 |
| 0.65 | 222.0 | 0.3134 | 0.688 |
| 0.65 | 234.0 | 0.22 | 0.7424 |
| 0.65 | 246.0 | -0.3666 | 0.677 |
| 0.65 | 258.0 | -0.0571 | 0.8414 |
| 0.65 | 270.0 | -0.6675 | 0.6609 |
| 0.65 | 294.0 | 0.4905 | 0.7307 |
| 0.75 | 66.0 | 0.831 | 0.935 |
| 0.75 | 102.0 | -2.2898 | 0.7053 |
| 0.75 | 114.0 | 0.2248 | 0.8446 |
| 0.75 | 126.0 | 0.4112 | 0.7932 |
| 0.75 | 138.0 | -2.2596 | 0.6747 |
| 0.75 | 150.0 | 0.3724 | 1.1151 |
| 0.75 | 162.0 | -1.4469 | 0.8999 |
| 0.75 | 198.0 | 1.4617 | 1.0701 |
| 0.75 | 210.0 | 0.3145 | 0.7911 |
| 0.75 | 222.0 | -0.3551 | 0.7004 |
| 0.75 | 234.0 | 0.3785 | 0.7878 |
| 0.75 | 246.0 | 1.0636 | 0.8797 |
| 0.75 | 270.0 | 0.1931 | 0.7078 |
| 0.75 | 282.0 | 0.2652 | 0.5711 |
| 0.75 | 294.0 | -0.1381 | 0.7541 |
| 0.85 | 90.0 | -0.4184 | 1.0848 |
| 0.85 | 102.0 | -1.5902 | 0.9042 |
| 0.85 | 114.0 | -0.0436 | 1.1581 |
| 0.85 | 126.0 | -1.6192 | 1.0356 |
| 0.85 | 210.0 | 0.1099 | 0.847 |
| 0.85 | 222.0 | 0.6841 | 0.8873 |
| 0.85 | 234.0 | -0.09 | 0.6949 |
| 0.85 | 246.0 | 1.0314 | 0.8336 |
| 0.85 | 258.0 | 1.9952 | 1.0145 |
| 0.85 | 270.0 | -0.2043 | 0.9553 |
| 0.95 | 210.0 | 4.0396 | 3.2678 |
| 0.95 | 222.0 | 1.586 | 2.8655 |
| 0.25 | 66.0 | 1.0175 | 0.6606 |
| 0.25 | 78.0 | -0.2421 | 0.5664 |
| 0.25 | 294.0 | 0.508 | 0.6436 |
| 0.35 | 66.0 | -0.8008 | 0.4894 |
| 0.35 | 78.0 | -1.1736 | 0.3938 |
| 0.35 | 270.0 | 2.2046 | 0.5629 |
| 0.35 | 282.0 | 0.6336 | 0.5656 |
| 0.35 | 294.0 | 1.087 | 0.575 |
| 0.45 | 66.0 | -0.6338 | 0.5619 |
| 0.45 | 78.0 | -0.0415 | 0.4683 |
| 0.45 | 90.0 | -0.5918 | 0.6031 |
| 0.45 | 114.0 | -0.4259 | 0.6377 |
| 0.45 | 258.0 | 0.5754 | 0.6669 |
| 0.45 | 270.0 | 0.1497 | 0.4694 |
| 0.45 | 282.0 | 0.8856 | 0.5077 |
| 0.45 | 294.0 | -0.6822 | 0.5464 |
| 0.55 | 66.0 | -0.1036 | 0.6366 |
| 0.55 | 78.0 | -1.2603 | 0.5333 |
| 0.55 | 90.0 | -0.0035 | 0.6727 |
| 0.55 | 102.0 | -0.218 | 0.6298 |
| 0.55 | 114.0 | 0.0493 | 0.7375 |
| 0.55 | 126.0 | 0.6769 | 0.6516 |
| 0.55 | 138.0 | -0.1115 | 0.6401 |
| 0.55 | 210.0 | 0.593 | 0.749 |
| 0.55 | 234.0 | 0.1781 | 0.7797 |
| 0.55 | 246.0 | 0.5722 | 0.6491 |
| 0.55 | 258.0 | 0.2995 | 0.5577 |
| 0.55 | 270.0 | 0.1007 | 0.5107 |
| 0.55 | 282.0 | 0.3343 | 0.4611 |
| 0.65 | 66.0 | -0.8963 | 0.4885 |
| 0.65 | 78.0 | -0.2898 | 0.6442 |
| 0.65 | 102.0 | -0.3474 | 0.6085 |
| 0.65 | 114.0 | 0.5159 | 0.5396 |
| 0.65 | 126.0 | -0.1639 | 0.5387 |
| 0.65 | 138.0 | -1.1266 | 0.4827 |
| 0.65 | 210.0 | 1.2161 | 0.7042 |
| 0.65 | 222.0 | 1.7134 | 0.6473 |
| 0.65 | 234.0 | 0.4167 | 0.6664 |
| 0.65 | 258.0 | -0.5448 | 0.6162 |
| 0.65 | 270.0 | 0.345 | 0.6216 |
| 0.65 | 294.0 | -0.2947 | 0.5616 |
| 0.75 | 102.0 | -0.5745 | 0.6253 |
| 0.75 | 114.0 | -0.4871 | 0.5482 |
| 0.75 | 126.0 | -0.2051 | 0.5397 |
| 0.75 | 138.0 | -0.9776 | 0.6146 |
| 0.75 | 210.0 | 0.3562 | 0.6752 |
| 0.75 | 222.0 | 1.3714 | 0.6019 |
| 0.75 | 234.0 | 1.2297 | 0.652 |
| 0.75 | 246.0 | 0.315 | 0.6574 |
| 0.75 | 258.0 | 1.0198 | 0.7852 |
| 0.75 | 282.0 | 0.1057 | 0.4858 |
| 0.75 | 294.0 | 0.9251 | 0.5533 |
| 0.85 | 90.0 | 0.1874 | 0.6594 |
| 0.85 | 102.0 | -1.1345 | 0.5716 |
| 0.85 | 114.0 | -0.2025 | 0.702 |
| 0.85 | 126.0 | 0.5514 | 0.9151 |
| 0.85 | 198.0 | 0.2217 | 0.8947 |
| 0.85 | 210.0 | 0.6705 | 0.6967 |
| 0.85 | 222.0 | -0.2067 | 0.5803 |
| 0.85 | 234.0 | 0.9259 | 0.6813 |
| 0.85 | 246.0 | 0.5715 | 0.7002 |
| 0.95 | 114.0 | 0.4228 | 1.0809 |
| 0.95 | 210.0 | 2.038 | 1.3954 |
| 0.95 | 234.0 | 4.2308 | 1.3283 |
| 0.95 | 246.0 | 0.9678 | 1.2594 |
Experiment comment: