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Experiment: EG4, 2016
Spokespersons: Xiaochao Zheng
Experiment comment: Final asymmetry results for the ep-> e pi+ (n) channel extracted from CLAS/EG4 data obtained using a longitudinally polarized beam and a longitudinally polarized NH3 target (CAA HS07-02).
No publications available for this experiment
Quantity measured: ALU,
Beam asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none
| Q2 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1685 GeV | |
| ε : | 0.7423 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0449 |
|
Select data slice:
cos(θπ+) = |
Observable quantity measured (Y axis): ALU,
Parameter (X axis): φ(π+), degrees |
Click here to get data in text file, delimited with tabs.
Measured data:
| cos(θπ+) |
φ(π+),
degrees |
ALU | Stat. error | Syst. error |
|---|---|---|---|---|
| 0.55 | 222 | 0.0026 | 0.2655 | 0.03 |
| 0.65 | 138 | -0.3148 | 0.228 | 0.0307 |
| 0.65 | 222 | 0.0255 | 0.2689 | 0.03 |
| 0.75 | 198 | 0.0099 | 0.24 | 0.03 |
| 0.75 | 210 | 0.0697 | 0.2396 | 0.03 |
| 0.75 | 222 | 0.0861 | 0.2507 | 0.03 |
| 0.75 | 234 | 0.1758 | 0.244 | 0.0302 |
| 0.75 | 270 | 0.2677 | 0.232 | 0.0305 |
| 0.75 | 282 | 0.1921 | 0.2273 | 0.0302 |
| 0.85 | 114 | -0.247 | 0.2641 | 0.0304 |
| 0.85 | 126 | -0.1072 | 0.2494 | 0.0301 |
| 0.85 | 222 | -0.011 | 0.2463 | 0.03 |