Measurement E151M3394
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.8855 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1235.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.977 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.0014 | 0.1789 |
| 0.35 | 66.0 | -0.1405 | 0.1649 |
| 0.35 | 78.0 | -0.205 | 0.2225 |
| 0.35 | 294.0 | 0.221 | 0.2444 |
| 0.45 | 66.0 | -0.0057 | 0.1799 |
| 0.45 | 78.0 | -0.3731 | 0.1747 |
| 0.45 | 282.0 | 0.3695 | 0.1588 |
| 0.45 | 294.0 | 0.2466 | 0.1934 |
| 0.55 | 78.0 | 0.0262 | 0.2237 |
| 0.55 | 270.0 | -0.2177 | 0.1883 |
| 0.55 | 282.0 | -0.0367 | 0.1377 |
| 0.55 | 294.0 | -0.4318 | 0.168 |
| 0.65 | 78.0 | -0.5365 | 0.2042 |
| 0.65 | 90.0 | -0.1038 | 0.2435 |
| 0.65 | 270.0 | 0.1682 | 0.1433 |
| 0.65 | 282.0 | -0.1648 | 0.1306 |
| 0.65 | 294.0 | -0.1368 | 0.1639 |
| 0.75 | 66.0 | 0.1153 | 0.2708 |
| 0.75 | 78.0 | 0.1654 | 0.1549 |
| 0.75 | 90.0 | 0.0908 | 0.1648 |
| 0.75 | 102.0 | -0.3016 | 0.1763 |
| 0.75 | 258.0 | 0.1198 | 0.1632 |
| 0.75 | 270.0 | -0.1016 | 0.1442 |
| 0.75 | 282.0 | 0.0882 | 0.1274 |
| 0.75 | 294.0 | -0.2742 | 0.1328 |
| 0.85 | 66.0 | 0.2424 | 0.1842 |
| 0.85 | 78.0 | -0.1747 | 0.1347 |
| 0.85 | 90.0 | 0.0101 | 0.123 |
| 0.85 | 102.0 | 0.215 | 0.119 |
| 0.85 | 114.0 | 0.0215 | 0.143 |
| 0.85 | 126.0 | 0.0193 | 0.2566 |
| 0.85 | 234.0 | 0.1953 | 0.2682 |
| 0.85 | 246.0 | -0.2798 | 0.1873 |
| 0.85 | 258.0 | -0.2822 | 0.1549 |
| 0.85 | 270.0 | -0.1518 | 0.1308 |
| 0.85 | 282.0 | -0.3193 | 0.1428 |
| 0.85 | 294.0 | -0.1712 | 0.1597 |
| 0.95 | 42.0 | -0.0966 | 0.2759 |
| 0.95 | 54.0 | -0.1029 | 0.1906 |
| 0.95 | 66.0 | 0.0334 | 0.146 |
| 0.95 | 78.0 | 0.0645 | 0.151 |
| 0.95 | 90.0 | -0.1686 | 0.1479 |
| 0.95 | 102.0 | -0.0452 | 0.1532 |
| 0.95 | 114.0 | 0.1299 | 0.1369 |
| 0.95 | 126.0 | 0.1069 | 0.1641 |
| 0.95 | 138.0 | -0.1726 | 0.1696 |
| 0.95 | 150.0 | -0.0822 | 0.1833 |
| 0.95 | 162.0 | 0.0555 | 0.2123 |
| 0.95 | 174.0 | 0.0666 | 0.2037 |
| 0.95 | 198.0 | 0.0929 | 0.2519 |
| 0.95 | 210.0 | 0.2676 | 0.2101 |
| 0.95 | 222.0 | 0.3411 | 0.2677 |
| 0.95 | 234.0 | -0.0066 | 0.2363 |
| 0.95 | 246.0 | 0.311 | 0.1819 |
| 0.95 | 258.0 | -0.0407 | 0.1995 |
| 0.95 | 270.0 | -0.1926 | 0.1698 |
| 0.95 | 282.0 | 0.0891 | 0.2051 |
| 0.95 | 306.0 | -0.2466 | 0.277 |
Experiment comment: