Measurement E151M3303
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0677 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9017 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.3744 | 0.1604 |
| 0.25 | 78.0 | -0.008 | 0.1821 |
| 0.35 | 54.0 | -0.4461 | 0.2265 |
| 0.35 | 66.0 | -0.1534 | 0.153 |
| 0.35 | 78.0 | 0.3957 | 0.1544 |
| 0.35 | 258.0 | -0.0443 | 0.2521 |
| 0.35 | 270.0 | 0.2238 | 0.138 |
| 0.35 | 282.0 | -0.2598 | 0.1364 |
| 0.35 | 294.0 | -0.2511 | 0.1634 |
| 0.45 | 66.0 | -0.066 | 0.1649 |
| 0.45 | 78.0 | 0.0312 | 0.1234 |
| 0.45 | 90.0 | 0.3708 | 0.2325 |
| 0.45 | 114.0 | -0.0601 | 0.1781 |
| 0.45 | 126.0 | 0.2188 | 0.1591 |
| 0.45 | 258.0 | 0.0048 | 0.2434 |
| 0.45 | 270.0 | -0.0895 | 0.1414 |
| 0.45 | 282.0 | 0.0064 | 0.1431 |
| 0.45 | 294.0 | 0.1996 | 0.1375 |
| 0.55 | 66.0 | 0.1883 | 0.2478 |
| 0.55 | 78.0 | 0.0469 | 0.1554 |
| 0.55 | 90.0 | 0.0784 | 0.2468 |
| 0.55 | 114.0 | 0.2282 | 0.1269 |
| 0.55 | 126.0 | -0.1277 | 0.1462 |
| 0.55 | 138.0 | 0.0849 | 0.157 |
| 0.55 | 150.0 | 0.1005 | 0.2373 |
| 0.55 | 210.0 | 0.328 | 0.1679 |
| 0.55 | 222.0 | -0.1435 | 0.1581 |
| 0.55 | 234.0 | 0.2859 | 0.1574 |
| 0.55 | 246.0 | 0.0028 | 0.2135 |
| 0.55 | 258.0 | -0.1462 | 0.146 |
| 0.55 | 270.0 | 0.0449 | 0.1251 |
| 0.55 | 282.0 | 0.0943 | 0.1354 |
| 0.65 | 66.0 | -0.2864 | 0.2515 |
| 0.65 | 78.0 | -0.3446 | 0.1719 |
| 0.65 | 102.0 | -0.0889 | 0.1827 |
| 0.65 | 114.0 | 0.0492 | 0.1207 |
| 0.65 | 126.0 | 0.1338 | 0.1207 |
| 0.65 | 138.0 | 0.1371 | 0.1379 |
| 0.65 | 150.0 | 0.0127 | 0.2372 |
| 0.65 | 198.0 | 0.5174 | 0.1351 |
| 0.65 | 210.0 | 0.2076 | 0.1416 |
| 0.65 | 222.0 | -0.0695 | 0.1378 |
| 0.65 | 234.0 | -0.1223 | 0.1436 |
| 0.65 | 246.0 | 0.2041 | 0.1525 |
| 0.65 | 258.0 | 0.1922 | 0.2398 |
| 0.65 | 270.0 | -0.1501 | 0.1604 |
| 0.75 | 66.0 | 0.3935 | 0.1894 |
| 0.75 | 114.0 | 0.2417 | 0.1883 |
| 0.75 | 126.0 | 0.0779 | 0.1731 |
| 0.75 | 138.0 | 0.2716 | 0.1751 |
| 0.75 | 150.0 | 0.312 | 0.2379 |
| 0.75 | 198.0 | -0.203 | 0.242 |
| 0.75 | 210.0 | 0.5043 | 0.1801 |
| 0.75 | 222.0 | -0.2985 | 0.1669 |
| 0.75 | 234.0 | -0.2446 | 0.181 |
| 0.75 | 246.0 | -0.2909 | 0.2175 |
| 0.75 | 270.0 | 0.0353 | 0.2588 |
| 0.75 | 282.0 | 0.0843 | 0.1762 |
| 0.75 | 294.0 | -0.0555 | 0.207 |
| 0.85 | 102.0 | 0.0336 | 0.1867 |
| 0.85 | 114.0 | -0.0921 | 0.212 |
| 0.85 | 126.0 | -0.0734 | 0.2032 |
| 0.85 | 138.0 | 0.2757 | 0.2512 |
| 0.85 | 198.0 | -0.0835 | 0.2282 |
| 0.85 | 210.0 | 0.0128 | 0.1995 |
| 0.85 | 222.0 | 0.0224 | 0.158 |
| 0.85 | 234.0 | -0.3678 | 0.1821 |
| 0.85 | 246.0 | -0.1228 | 0.2076 |
| 0.85 | 258.0 | -0.0309 | 0.2746 |
| 0.95 | 234.0 | -0.0811 | 0.2334 |
| 0.65 | 294.0 | 0.4572 | 0.2067 |
| 0.75 | 102.0 | -0.1395 | 0.2625 |
| 0.75 | 114.0 | -0.3636 | 0.1811 |
| 0.75 | 126.0 | -0.0716 | 0.1928 |
| 0.75 | 138.0 | 0.2262 | 0.1824 |
| 0.75 | 150.0 | -0.2793 | 0.2394 |
| 0.75 | 210.0 | 0.0142 | 0.226 |
| 0.75 | 222.0 | 0.1271 | 0.1736 |
| 0.75 | 234.0 | -0.4213 | 0.2445 |
| 0.75 | 246.0 | 0.0602 | 0.2423 |
| 0.75 | 270.0 | 0.1072 | 0.247 |
| 0.75 | 282.0 | 0.0174 | 0.1645 |
| 0.75 | 294.0 | 0.507 | 0.1849 |
| 0.85 | 102.0 | 0.0668 | 0.198 |
| 0.85 | 114.0 | 0.0083 | 0.2531 |
| 0.85 | 198.0 | -0.4175 | 0.2324 |
| 0.85 | 222.0 | 0.0302 | 0.1737 |
| 0.85 | 234.0 | 0.0753 | 0.1837 |
| 0.95 | 222.0 | 0.4897 | 0.2131 |
| 0.95 | 234.0 | -0.0375 | 0.2636 |
Experiment comment: