Measurement E151M2950
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3646 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9517 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 318.0 | -0.1589 | 0.2749 |
| 0.15 | 66.0 | 0.1483 | 0.2697 |
| 0.15 | 306.0 | -0.5707 | 0.1759 |
| 0.15 | 318.0 | 0.0303 | 0.2832 |
| 0.25 | 66.0 | -0.1862 | 0.19 |
| 0.25 | 78.0 | 0.214 | 0.2485 |
| 0.25 | 294.0 | 0.0346 | 0.1873 |
| 0.25 | 306.0 | 0.1417 | 0.1788 |
| 0.35 | 66.0 | 0.1592 | 0.1726 |
| 0.35 | 78.0 | 0.2379 | 0.1453 |
| 0.35 | 90.0 | -0.2319 | 0.2743 |
| 0.35 | 282.0 | 0.0022 | 0.2828 |
| 0.35 | 294.0 | -0.0471 | 0.1781 |
| 0.35 | 306.0 | 0.1862 | 0.2186 |
| 0.45 | 66.0 | 0.1928 | 0.1841 |
| 0.45 | 78.0 | 0.0704 | 0.1389 |
| 0.45 | 90.0 | -0.003 | 0.2396 |
| 0.45 | 282.0 | 0.1986 | 0.2082 |
| 0.45 | 294.0 | -0.0845 | 0.2142 |
| 0.45 | 306.0 | 0.0828 | 0.2834 |
| 0.55 | 66.0 | -0.3101 | 0.1856 |
| 0.55 | 78.0 | 0.1114 | 0.1662 |
| 0.55 | 90.0 | -0.0466 | 0.1958 |
| 0.55 | 258.0 | -0.3225 | 0.2254 |
| 0.55 | 270.0 | -0.1037 | 0.1873 |
| 0.55 | 282.0 | -0.2746 | 0.2037 |
| 0.55 | 294.0 | 0.2452 | 0.2406 |
| 0.65 | 66.0 | -0.0389 | 0.2487 |
| 0.65 | 78.0 | -0.0667 | 0.1861 |
| 0.65 | 90.0 | 0.3189 | 0.2371 |
| 0.65 | 102.0 | -0.2511 | 0.1916 |
| 0.65 | 114.0 | 0.2911 | 0.2269 |
| 0.65 | 246.0 | -0.0249 | 0.2174 |
| 0.65 | 258.0 | -0.0747 | 0.1726 |
| 0.65 | 270.0 | -0.1778 | 0.1411 |
| 0.65 | 282.0 | -0.2812 | 0.179 |
| 0.75 | 90.0 | -0.2022 | 0.2092 |
| 0.75 | 102.0 | 0.2161 | 0.1717 |
| 0.75 | 114.0 | 0.0755 | 0.1644 |
| 0.75 | 126.0 | -0.2431 | 0.1715 |
| 0.75 | 138.0 | 0.3223 | 0.2009 |
| 0.75 | 222.0 | -0.0182 | 0.2323 |
| 0.75 | 234.0 | 0.1508 | 0.1771 |
| 0.75 | 246.0 | -0.2353 | 0.1375 |
| 0.75 | 258.0 | -0.1313 | 0.1463 |
| 0.75 | 270.0 | -0.1197 | 0.1486 |
| 0.75 | 282.0 | -0.1115 | 0.1509 |
| 0.85 | 90.0 | 0.2623 | 0.2485 |
| 0.85 | 102.0 | 0.21 | 0.1362 |
| 0.85 | 114.0 | -0.3827 | 0.1339 |
| 0.85 | 126.0 | -0.043 | 0.1336 |
| 0.85 | 138.0 | 0.1083 | 0.1413 |
| 0.85 | 150.0 | 0.2445 | 0.1798 |
| 0.85 | 162.0 | -0.0204 | 0.2042 |
| 0.85 | 174.0 | 0.3794 | 0.1986 |
| 0.85 | 210.0 | 0.1872 | 0.2277 |
| 0.85 | 222.0 | 0.1952 | 0.1991 |
| 0.85 | 234.0 | -0.13 | 0.1532 |
| 0.85 | 246.0 | -0.111 | 0.1548 |
| 0.85 | 258.0 | -0.0892 | 0.1366 |
| 0.85 | 270.0 | -0.0922 | 0.1427 |
| 0.85 | 282.0 | 0.4834 | 0.1718 |
| 0.95 | 114.0 | -0.3004 | 0.1859 |
| 0.95 | 126.0 | 0.0518 | 0.198 |
| 0.95 | 138.0 | -0.0503 | 0.1826 |
| 0.95 | 150.0 | 0.0582 | 0.1881 |
| 0.95 | 162.0 | 0.0495 | 0.2022 |
| 0.95 | 174.0 | -0.09 | 0.2339 |
| 0.95 | 198.0 | 0.0099 | 0.2387 |
| 0.95 | 210.0 | 0.0259 | 0.2537 |
| 0.95 | 222.0 | -0.4999 | 0.2121 |
| 0.95 | 234.0 | -0.3931 | 0.1751 |
| 0.95 | 246.0 | -0.0567 | 0.2067 |
| 0.95 | 258.0 | 0.258 | 0.1893 |
| 0.95 | 270.0 | -0.2115 | 0.2411 |
Experiment comment: