Measurement E151M518
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.1946 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.953 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | -0.0356 | 0.5907 |
| 0.15 | 42.0 | -0.2147 | 0.5953 |
| 0.15 | 306.0 | 0.4401 | 0.5793 |
| 0.15 | 318.0 | -1.4534 | 0.3969 |
| 0.15 | 330.0 | 0.7813 | 0.7 |
| 0.25 | 54.0 | 0.4195 | 0.6599 |
| 0.25 | 66.0 | -0.2195 | 0.4119 |
| 0.25 | 78.0 | -0.0072 | 0.5676 |
| 0.25 | 282.0 | 0.311 | 0.5937 |
| 0.25 | 294.0 | 0.5726 | 0.4128 |
| 0.25 | 306.0 | 0.401 | 0.4001 |
| 0.25 | 318.0 | 0.0256 | 0.6054 |
| 0.35 | 66.0 | 0.2475 | 0.3699 |
| 0.35 | 78.0 | 0.5864 | 0.4006 |
| 0.35 | 90.0 | 0.1703 | 0.5346 |
| 0.35 | 282.0 | -0.3259 | 0.4246 |
| 0.35 | 294.0 | -0.3316 | 0.3179 |
| 0.35 | 306.0 | -0.2171 | 0.3705 |
| 0.45 | 66.0 | -0.0782 | 0.3397 |
| 0.45 | 78.0 | 0.2051 | 0.288 |
| 0.45 | 90.0 | -0.176 | 0.4439 |
| 0.45 | 270.0 | 0.5675 | 0.6496 |
| 0.45 | 282.0 | 0.1073 | 0.3383 |
| 0.45 | 294.0 | -0.2655 | 0.2979 |
| 0.45 | 306.0 | -0.9595 | 0.3664 |
| 0.55 | 66.0 | 0.1326 | 0.4464 |
| 0.55 | 78.0 | -0.1209 | 0.297 |
| 0.55 | 90.0 | 0.4528 | 0.3556 |
| 0.55 | 102.0 | -0.3247 | 0.4992 |
| 0.55 | 114.0 | -0.0177 | 0.6421 |
| 0.55 | 246.0 | 0.5537 | 0.6709 |
| 0.55 | 258.0 | 0.2068 | 0.5568 |
| 0.55 | 270.0 | -0.2731 | 0.3867 |
| 0.55 | 282.0 | -0.3696 | 0.294 |
| 0.55 | 294.0 | 0.0314 | 0.3753 |
| 0.65 | 66.0 | 0.4626 | 0.5609 |
| 0.65 | 78.0 | 0.6213 | 0.3878 |
| 0.65 | 90.0 | -0.3431 | 0.371 |
| 0.65 | 102.0 | 0.7836 | 0.4426 |
| 0.65 | 114.0 | 0.3705 | 0.3878 |
| 0.65 | 126.0 | 0.1774 | 0.4644 |
| 0.65 | 138.0 | -0.7295 | 0.4771 |
| 0.65 | 222.0 | -0.223 | 0.4669 |
| 0.65 | 234.0 | 0.0601 | 0.3644 |
| 0.65 | 246.0 | -0.3737 | 0.3523 |
| 0.65 | 258.0 | -0.5965 | 0.3092 |
| 0.65 | 270.0 | 0.5853 | 0.335 |
| 0.65 | 282.0 | -0.1693 | 0.4015 |
| 0.75 | 78.0 | 0.0066 | 0.564 |
| 0.75 | 90.0 | 0.8309 | 0.552 |
| 0.75 | 102.0 | 0.0036 | 0.3952 |
| 0.75 | 114.0 | 0.279 | 0.3491 |
| 0.75 | 126.0 | 0.3244 | 0.3381 |
| 0.75 | 138.0 | 0.0971 | 0.3658 |
| 0.75 | 150.0 | -0.5923 | 0.3817 |
| 0.75 | 162.0 | 0.7021 | 0.6129 |
| 0.75 | 198.0 | 0.4047 | 0.5878 |
| 0.75 | 222.0 | -0.2434 | 0.3408 |
| 0.75 | 234.0 | 0.6091 | 0.3184 |
| 0.75 | 246.0 | 0.3665 | 0.3188 |
| 0.75 | 258.0 | -0.4978 | 0.2431 |
| 0.75 | 270.0 | 0.5072 | 0.3862 |
| 0.75 | 282.0 | -1.1982 | 0.3791 |
| 0.85 | 102.0 | 0.4045 | 0.5932 |
| 0.85 | 114.0 | 0.575 | 0.3921 |
| 0.85 | 126.0 | 0.16 | 0.2903 |
| 0.85 | 138.0 | -0.1982 | 0.3026 |
| 0.85 | 150.0 | 0.0833 | 0.3618 |
| 0.85 | 162.0 | 0.0766 | 0.4678 |
| 0.85 | 174.0 | 1.6754 | 0.5431 |
| 0.85 | 186.0 | 0.1875 | 0.6044 |
| 0.85 | 198.0 | 0.2619 | 0.522 |
| 0.85 | 210.0 | 0.8548 | 0.4832 |
| 0.85 | 222.0 | -0.3049 | 0.3484 |
| 0.85 | 234.0 | 0.8809 | 0.3212 |
| 0.85 | 246.0 | 0.257 | 0.283 |
| 0.85 | 258.0 | -0.1524 | 0.2675 |
| 0.85 | 270.0 | -0.1767 | 0.3794 |
| 0.95 | 126.0 | -0.2718 | 0.5392 |
| 0.95 | 138.0 | 1.1804 | 0.4871 |
| 0.95 | 150.0 | 0.1309 | 0.519 |
| 0.95 | 222.0 | -0.1969 | 0.4158 |
| 0.95 | 234.0 | -0.2895 | 0.3771 |
| 0.95 | 246.0 | -0.0844 | 0.4344 |
Experiment comment: