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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 : | 0.2915 GeV2 | |
|---|---|---|
| W : | 1235 GeV | |
| ε : | 0.7954 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.9313 |
|
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 | 270 | -0.2056 | 0.2604 | 0.0303 |
| 0.75 | 294 | 0.5189 | 0.2641 | 0.0317 |
| 0.85 | 90 | 0.0854 | 0.277 | 0.03 |
| 0.85 | 126 | -0.1759 | 0.2761 | 0.0302 |
| 0.45 | 282 | 0.0261 | 0.3967 | 0.03 |
| 0.55 | 270 | 0.3693 | 0.3275 | 0.0309 |
| 0.65 | 258 | 0.4642 | 0.2803 | 0.0314 |
| 0.65 | 270 | -0.0259 | 0.3695 | 0.03 |
| 0.65 | 282 | -0.5592 | 0.2562 | 0.032 |
| 0.85 | 102 | 0.0254 | 0.3815 | 0.03 |
| 0.85 | 114 | -0.1362 | 0.3787 | 0.0301 |