Measurement E151M2954
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.599 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9295 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 306.0 | 0.2517 | 0.2886 |
| 0.25 | 66.0 | 0.0349 | 0.2452 |
| 0.25 | 78.0 | -0.0452 | 0.259 |
| 0.25 | 306.0 | -0.0358 | 0.2661 |
| 0.35 | 66.0 | 0.0199 | 0.2015 |
| 0.35 | 78.0 | 0.162 | 0.2514 |
| 0.45 | 66.0 | 0.0902 | 0.2569 |
| 0.45 | 78.0 | 0.1452 | 0.2029 |
| 0.45 | 282.0 | 0.283 | 0.2796 |
| 0.55 | 66.0 | 0.6802 | 0.1884 |
| 0.55 | 270.0 | -0.0222 | 0.2552 |
| 0.55 | 282.0 | 0.1551 | 0.2482 |
| 0.65 | 90.0 | 0.4111 | 0.2446 |
| 0.65 | 102.0 | -0.4041 | 0.2194 |
| 0.65 | 258.0 | -0.1068 | 0.2231 |
| 0.65 | 270.0 | -0.3284 | 0.2027 |
| 0.65 | 282.0 | 0.4873 | 0.183 |
| 0.75 | 78.0 | -0.6106 | 0.2279 |
| 0.75 | 90.0 | 0.1007 | 0.2622 |
| 0.75 | 102.0 | -0.3194 | 0.2077 |
| 0.75 | 114.0 | -0.1847 | 0.2429 |
| 0.75 | 126.0 | 0.2093 | 0.2495 |
| 0.75 | 246.0 | -0.1927 | 0.2037 |
| 0.75 | 258.0 | 0.2728 | 0.1907 |
| 0.75 | 270.0 | 0.031 | 0.1822 |
| 0.75 | 282.0 | -0.0512 | 0.1639 |
| 0.75 | 294.0 | 0.0832 | 0.2256 |
| 0.85 | 78.0 | -0.0818 | 0.2157 |
| 0.85 | 90.0 | -0.3877 | 0.1611 |
| 0.85 | 102.0 | 0.0822 | 0.1778 |
| 0.85 | 114.0 | -0.3254 | 0.1695 |
| 0.85 | 126.0 | -0.0969 | 0.2003 |
| 0.85 | 138.0 | 0.2062 | 0.2517 |
| 0.85 | 150.0 | 0.1098 | 0.2438 |
| 0.85 | 222.0 | 0.2204 | 0.25 |
| 0.85 | 234.0 | 0.1077 | 0.2139 |
| 0.85 | 246.0 | 0.3584 | 0.1719 |
| 0.85 | 258.0 | 0.0762 | 0.1877 |
| 0.85 | 270.0 | 0.0467 | 0.1588 |
| 0.85 | 282.0 | 0.1146 | 0.1544 |
| 0.85 | 294.0 | -0.3865 | 0.1997 |
| 0.95 | 90.0 | 0.0366 | 0.2121 |
| 0.95 | 102.0 | -0.0281 | 0.1774 |
| 0.95 | 114.0 | 0.0869 | 0.2223 |
| 0.95 | 126.0 | -0.1405 | 0.1964 |
| 0.95 | 138.0 | -0.0149 | 0.212 |
| 0.95 | 150.0 | -0.3667 | 0.2484 |
| 0.95 | 162.0 | -0.0052 | 0.2842 |
| 0.95 | 222.0 | -0.3846 | 0.2728 |
| 0.95 | 246.0 | -0.2134 | 0.2336 |
| 0.95 | 258.0 | 0.4115 | 0.1791 |
| 0.95 | 270.0 | 0.2499 | 0.1966 |
| 0.95 | 282.0 | -0.0603 | 0.2438 |
| 0.95 | 294.0 | 0.6239 | 0.2033 |
Experiment comment: