Measurement E151M2487
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0598 | |
| Q2: | 0.0101 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8964 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 54.0 | -0.1174 | 0.2594 |
| 0.45 | 54.0 | 0.0564 | 0.2482 |
| 0.55 | 42.0 | 0.3874 | 0.2171 |
| 0.55 | 54.0 | 0.2191 | 0.2493 |
| 0.55 | 234.0 | -0.2676 | 0.181 |
| 0.55 | 246.0 | 0.0154 | 0.1691 |
| 0.55 | 258.0 | 0.1102 | 0.1725 |
| 0.55 | 270.0 | 0.0837 | 0.1842 |
| 0.65 | 150.0 | 0.1154 | 0.2369 |
| 0.65 | 162.0 | 0.3211 | 0.2215 |
| 0.65 | 174.0 | 0.3443 | 0.2287 |
| 0.65 | 186.0 | -0.051 | 0.2407 |
| 0.65 | 222.0 | 0.0527 | 0.2133 |
| 0.65 | 234.0 | 0.0609 | 0.1876 |
| 0.65 | 246.0 | -0.021 | 0.1446 |
| 0.65 | 258.0 | -0.1722 | 0.1459 |
| 0.65 | 270.0 | 0.122 | 0.2068 |
| 0.75 | 150.0 | 0.039 | 0.2096 |
| 0.75 | 162.0 | -0.2514 | 0.203 |
| 0.75 | 186.0 | 0.6677 | 0.2045 |
| 0.75 | 222.0 | -0.2732 | 0.2216 |
| 0.75 | 234.0 | 0.0505 | 0.1615 |
| 0.75 | 246.0 | -0.0339 | 0.1461 |
| 0.75 | 258.0 | -0.067 | 0.1528 |
| 0.75 | 270.0 | -0.274 | 0.1776 |
| 0.85 | 222.0 | -0.2663 | 0.2562 |
| 0.85 | 234.0 | -0.4275 | 0.1967 |
| 0.85 | 246.0 | -0.1242 | 0.1931 |
| 0.85 | 258.0 | 0.0189 | 0.2098 |
Experiment comment: