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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 : | 0.1205 GeV2 | |
|---|---|---|
| W : | 1625 GeV | |
| ε : | 0.7746 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0929 |
|
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 | 126 | 0.1578 | 0.2363 | 0.0302 |
| 0.65 | 234 | -0.1582 | 0.2551 | 0.0302 |
| 0.65 | 294 | 0.0685 | 0.248 | 0.03 |
| 0.75 | 222 | -0.4036 | 0.2179 | 0.0311 |
| 0.75 | 234 | -0.3284 | 0.2396 | 0.0307 |
| 0.85 | 102 | -0.2536 | 0.2364 | 0.0304 |
| 0.85 | 114 | 0.2493 | 0.2584 | 0.0304 |
| 0.85 | 210 | -0.1913 | 0.2618 | 0.0302 |
| 0.85 | 222 | -0.3595 | 0.2385 | 0.0308 |
| 0.85 | 234 | -0.0218 | 0.2881 | 0.03 |
| 0.95 | 114 | -0.0235 | 0.2737 | 0.03 |
| 0.95 | 246 | 0.3719 | 0.2576 | 0.0309 |