Measurement E151M2587
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0046 | |
| Q2: | 0.0023 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7262 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 42.0 | 0.3448 | 0.2491 |
| 0.35 | 54.0 | 0.0012 | 0.1892 |
| 0.45 | 42.0 | -0.0388 | 0.1609 |
| 0.45 | 54.0 | 0.0406 | 0.1848 |
| 0.45 | 66.0 | 0.1585 | 0.2192 |
| 0.45 | 150.0 | 0.3898 | 0.2269 |
| 0.45 | 210.0 | 0.1152 | 0.2054 |
| 0.45 | 222.0 | -0.2758 | 0.1699 |
| 0.45 | 234.0 | 0.1955 | 0.1787 |
| 0.45 | 246.0 | -0.3733 | 0.186 |
| 0.55 | 30.0 | -0.1393 | 0.1776 |
| 0.55 | 42.0 | 0.0465 | 0.1406 |
| 0.55 | 54.0 | 0.3313 | 0.1201 |
| 0.55 | 66.0 | -0.2103 | 0.1937 |
| 0.55 | 150.0 | -0.3989 | 0.1725 |
| 0.55 | 162.0 | -0.1753 | 0.1875 |
| 0.55 | 174.0 | -0.1821 | 0.205 |
| 0.55 | 186.0 | 0.1692 | 0.2251 |
| 0.55 | 198.0 | 0.5277 | 0.214 |
| 0.55 | 210.0 | 0.1325 | 0.1802 |
| 0.55 | 222.0 | 0.143 | 0.1674 |
| 0.55 | 234.0 | -0.0586 | 0.1257 |
| 0.55 | 246.0 | -0.016 | 0.1623 |
| 0.65 | 18.0 | 0.3851 | 0.2118 |
| 0.65 | 30.0 | 0.0448 | 0.1654 |
| 0.65 | 42.0 | 0.2071 | 0.1493 |
| 0.65 | 54.0 | -0.1464 | 0.1395 |
| 0.65 | 66.0 | -0.1324 | 0.2092 |
| 0.65 | 138.0 | -0.0687 | 0.2239 |
| 0.65 | 150.0 | -0.2639 | 0.1778 |
| 0.65 | 162.0 | 0.2306 | 0.2331 |
| 0.65 | 174.0 | 0.0659 | 0.1883 |
| 0.65 | 186.0 | 0.0099 | 0.2127 |
| 0.65 | 198.0 | -0.2176 | 0.2521 |
| 0.65 | 210.0 | -0.3432 | 0.1856 |
| 0.65 | 222.0 | 0.2882 | 0.1322 |
| 0.65 | 234.0 | -0.0636 | 0.1273 |
| 0.65 | 246.0 | 0.0142 | 0.1481 |
| 0.75 | 42.0 | -0.1993 | 0.2032 |
| 0.75 | 138.0 | -0.338 | 0.2322 |
| 0.75 | 150.0 | 0.0251 | 0.2 |
| 0.75 | 162.0 | 0.0224 | 0.2254 |
| 0.75 | 174.0 | -0.1493 | 0.2309 |
| 0.75 | 210.0 | -0.1214 | 0.1749 |
| 0.75 | 222.0 | 0.1242 | 0.1452 |
| 0.75 | 234.0 | 0.2779 | 0.1103 |
| 0.75 | 246.0 | -0.1435 | 0.1549 |
| 0.85 | 210.0 | -0.1543 | 0.1712 |
| 0.85 | 222.0 | 0.1975 | 0.142 |
| 0.85 | 234.0 | 0.0079 | 0.1373 |
| 0.85 | 246.0 | -0.0144 | 0.1701 |
Experiment comment: