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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 : | 0.348 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.8278 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.4696 |
|
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 |
|---|---|---|---|---|
| 0.65 | 90 | 0.052 | 0.257 | 0.03 |
| 0.65 | 102 | 0.2062 | 0.2686 | 0.0303 |
| 0.65 | 114 | -0.1365 | 0.2775 | 0.0301 |
| 0.75 | 90 | -0.25 | 0.2671 | 0.0304 |
| 0.75 | 114 | 0.1628 | 0.2519 | 0.0302 |
| 0.75 | 234 | 0.0774 | 0.2609 | 0.03 |
| 0.75 | 270 | 0.4435 | 0.2055 | 0.0313 |
| 0.85 | 66 | -0.1273 | 0.2676 | 0.0301 |
| 0.85 | 102 | 0.0657 | 0.261 | 0.03 |
| 0.85 | 114 | -0.2069 | 0.2497 | 0.0303 |
| 0.85 | 258 | -0.4826 | 0.2305 | 0.0315 |
| 0.85 | 270 | -0.1354 | 0.2671 | 0.0301 |
| 0.85 | 282 | -0.2688 | 0.2246 | 0.0305 |
| 0.95 | 126 | 0.2225 | 0.2671 | 0.0303 |
| 0.95 | 222 | -0.4655 | 0.2803 | 0.0314 |
| 0.95 | 270 | 0.1321 | 0.2671 | 0.0301 |
| 0.95 | 294 | -0.4466 | 0.2322 | 0.0313 |
| 0.95 | 306 | -0.4823 | 0.2285 | 0.0315 |