Measurement E151M2493
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1608 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8787 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | -0.0409 | 0.2099 |
| 0.25 | 30.0 | 0.1124 | 0.2627 |
| 0.25 | 42.0 | -0.0959 | 0.197 |
| 0.25 | 54.0 | -0.038 | 0.2343 |
| 0.35 | 30.0 | -0.023 | 0.1873 |
| 0.35 | 42.0 | -0.1877 | 0.1699 |
| 0.35 | 54.0 | -0.0784 | 0.1868 |
| 0.45 | 30.0 | -0.1694 | 0.2124 |
| 0.45 | 42.0 | -0.0955 | 0.1602 |
| 0.45 | 54.0 | -0.062 | 0.1917 |
| 0.45 | 270.0 | -0.3359 | 0.1914 |
| 0.45 | 282.0 | 0.1656 | 0.2671 |
| 0.55 | 54.0 | 0.1998 | 0.2643 |
| 0.55 | 234.0 | 0.3598 | 0.2461 |
| 0.55 | 246.0 | -0.0409 | 0.1571 |
| 0.55 | 258.0 | -0.2098 | 0.1331 |
| 0.55 | 270.0 | -0.1406 | 0.1344 |
| 0.55 | 282.0 | 0.1339 | 0.161 |
| 0.65 | 150.0 | 0.0043 | 0.2449 |
| 0.65 | 162.0 | 0.2512 | 0.2535 |
| 0.65 | 234.0 | 0.0155 | 0.1882 |
| 0.65 | 246.0 | -0.1552 | 0.1449 |
| 0.65 | 258.0 | 0.0101 | 0.1157 |
| 0.65 | 270.0 | 0.0563 | 0.1329 |
| 0.65 | 282.0 | 0.0295 | 0.1768 |
| 0.75 | 138.0 | 0.2185 | 0.2526 |
| 0.75 | 150.0 | -0.4771 | 0.1542 |
| 0.75 | 162.0 | 0.199 | 0.1611 |
| 0.75 | 174.0 | 0.146 | 0.1692 |
| 0.75 | 186.0 | 0.0857 | 0.172 |
| 0.75 | 198.0 | 0.1974 | 0.2174 |
| 0.75 | 210.0 | 0.0684 | 0.2368 |
| 0.75 | 222.0 | 0.1819 | 0.2202 |
| 0.75 | 234.0 | 0.1171 | 0.1572 |
| 0.75 | 246.0 | 0.0759 | 0.1339 |
| 0.75 | 258.0 | -0.0052 | 0.1114 |
| 0.75 | 270.0 | 0.0447 | 0.1304 |
| 0.75 | 282.0 | 0.038 | 0.1518 |
| 0.85 | 126.0 | -0.0806 | 0.2506 |
| 0.85 | 138.0 | 0.3834 | 0.1611 |
| 0.85 | 150.0 | -0.1633 | 0.1469 |
| 0.85 | 162.0 | -0.0296 | 0.14 |
| 0.85 | 174.0 | -0.1967 | 0.1811 |
| 0.85 | 186.0 | 0.0884 | 0.2016 |
| 0.85 | 198.0 | 0.2762 | 0.2176 |
| 0.85 | 210.0 | -0.143 | 0.2119 |
| 0.85 | 222.0 | -0.1098 | 0.2617 |
| 0.85 | 234.0 | -0.1451 | 0.1888 |
| 0.85 | 246.0 | 0.0932 | 0.1578 |
| 0.85 | 258.0 | -0.2373 | 0.1271 |
| 0.85 | 270.0 | -0.2374 | 0.1471 |
| 0.95 | 138.0 | 0.3476 | 0.2535 |
| 0.95 | 186.0 | 0.0855 | 0.2499 |
Experiment comment: