Measurement E151M2511
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0788 | |
| Q2: | 0.0171 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8636 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | -0.2386 | 0.1723 |
| 0.25 | 54.0 | -0.1386 | 0.1681 |
| 0.35 | 42.0 | -0.0613 | 0.1802 |
| 0.35 | 54.0 | 0.2067 | 0.171 |
| 0.35 | 66.0 | 0.1322 | 0.2136 |
| 0.45 | 30.0 | -0.0195 | 0.2106 |
| 0.45 | 42.0 | -0.1815 | 0.1595 |
| 0.45 | 54.0 | 0.0184 | 0.2121 |
| 0.45 | 258.0 | 0.1294 | 0.2186 |
| 0.45 | 270.0 | 0.0765 | 0.2527 |
| 0.55 | 30.0 | 0.057 | 0.2031 |
| 0.55 | 42.0 | 0.2881 | 0.1641 |
| 0.55 | 54.0 | -0.0769 | 0.1983 |
| 0.55 | 234.0 | 0.2224 | 0.1623 |
| 0.55 | 246.0 | -0.2729 | 0.1345 |
| 0.55 | 258.0 | -0.0348 | 0.136 |
| 0.55 | 270.0 | -0.0295 | 0.1804 |
| 0.65 | 138.0 | -0.104 | 0.2063 |
| 0.65 | 150.0 | -0.1476 | 0.1901 |
| 0.65 | 162.0 | -0.1717 | 0.18 |
| 0.65 | 174.0 | -0.0088 | 0.2323 |
| 0.65 | 186.0 | -0.0936 | 0.2506 |
| 0.65 | 210.0 | -0.0527 | 0.2261 |
| 0.65 | 222.0 | -0.0649 | 0.1715 |
| 0.65 | 234.0 | 0.0089 | 0.1391 |
| 0.65 | 246.0 | 0.0448 | 0.1204 |
| 0.65 | 258.0 | -0.0985 | 0.1084 |
| 0.65 | 270.0 | 0.0171 | 0.139 |
| 0.65 | 282.0 | -0.1908 | 0.2606 |
| 0.75 | 138.0 | -0.0689 | 0.1774 |
| 0.75 | 150.0 | -0.0369 | 0.1507 |
| 0.75 | 162.0 | 0.2567 | 0.144 |
| 0.75 | 174.0 | -0.4599 | 0.149 |
| 0.75 | 186.0 | -0.1895 | 0.1993 |
| 0.75 | 198.0 | 0.1185 | 0.208 |
| 0.75 | 210.0 | -0.078 | 0.2084 |
| 0.75 | 222.0 | -0.1508 | 0.1578 |
| 0.75 | 234.0 | 0.0481 | 0.1297 |
| 0.75 | 246.0 | 0.0137 | 0.115 |
| 0.75 | 258.0 | 0.052 | 0.1329 |
| 0.75 | 270.0 | 0.0949 | 0.1469 |
| 0.75 | 282.0 | 0.0835 | 0.2338 |
| 0.85 | 126.0 | 0.2388 | 0.2507 |
| 0.85 | 138.0 | 0.1729 | 0.2289 |
| 0.85 | 150.0 | 0.0618 | 0.1991 |
| 0.85 | 162.0 | 0.2358 | 0.2101 |
| 0.85 | 174.0 | 0.5167 | 0.2033 |
| 0.85 | 186.0 | -0.0552 | 0.2567 |
| 0.85 | 198.0 | 0.2296 | 0.2329 |
| 0.85 | 210.0 | 0.2907 | 0.2259 |
| 0.85 | 222.0 | 0.0754 | 0.1875 |
| 0.85 | 234.0 | -0.4675 | 0.1227 |
| 0.85 | 246.0 | -0.0852 | 0.1154 |
| 0.85 | 258.0 | 0.0315 | 0.1212 |
| 0.85 | 270.0 | 0.0022 | 0.1648 |
Experiment comment: