Measurement E151M2870
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0215 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.6351 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 30.0 | -0.187 | 0.255 |
| 0.45 | 42.0 | -0.2372 | 0.1918 |
| 0.55 | 138.0 | -0.25 | 0.3449 |
| 0.55 | 150.0 | 0.1181 | 0.3502 |
| 0.55 | 162.0 | -0.0621 | 0.2519 |
| 0.55 | 210.0 | 0.5391 | 0.2855 |
| 0.55 | 222.0 | -0.3663 | 0.1732 |
| 0.55 | 234.0 | 0.4974 | 0.2871 |
| 0.65 | 150.0 | 0.2477 | 0.3928 |
| 0.65 | 210.0 | -0.1914 | 0.3333 |
| 0.65 | 222.0 | -0.4071 | 0.3672 |
| 0.65 | 234.0 | -0.061 | 0.387 |
| 0.75 | 222.0 | 0.1063 | 0.3125 |
| 0.75 | 234.0 | 0.5225 | 0.3358 |
| 0.75 | 246.0 | 0.1544 | 0.3803 |
| 0.85 | 222.0 | -0.1731 | 0.3434 |
| 0.85 | 234.0 | -0.3087 | 0.355 |
| 0.85 | 246.0 | 0.1632 | 0.3385 |
| 0.55 | 246.0 | 0.2851 | 0.2617 |
| 0.65 | 138.0 | 0.1081 | 0.2635 |
| 0.65 | 150.0 | -0.0417 | 0.2701 |
| 0.65 | 222.0 | 0.0445 | 0.2335 |
| 0.75 | 138.0 | 0.1076 | 0.2555 |
| 0.75 | 210.0 | -0.2741 | 0.264 |
| 0.75 | 222.0 | 0.2124 | 0.2554 |
| 0.75 | 234.0 | -0.0984 | 0.264 |
| 0.75 | 246.0 | -0.2997 | 0.2414 |
| 0.85 | 210.0 | 0.4098 | 0.2632 |
| 0.85 | 222.0 | 0.3158 | 0.254 |
| 0.85 | 234.0 | -0.4289 | 0.2073 |
| 0.85 | 246.0 | -0.3661 | 0.2315 |
Experiment comment: