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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1925 GeV | |
| ε : | 0.7722 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0321 |
|
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 |
|---|---|---|---|---|
| 0.75 | 270 | 0.0598 | 0.2638 | 0.03 |
| 0.85 | 102 | 0.4145 | 0.2072 | 0.0311 |
| 0.85 | 114 | 0.0481 | 0.2476 | 0.03 |
| 0.85 | 126 | -0.1889 | 0.2613 | 0.0302 |
| 0.85 | 186 | 0.2971 | 0.2612 | 0.0306 |
| 0.85 | 198 | -0.0097 | 0.2734 | 0.03 |