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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 : | 0.0059 GeV2 | |
|---|---|---|
| W : | 1445 GeV | |
| ε : | 0.6685 | |
| Ebeam : | 1.0539 GeV | |
| εL: | 0.0095 |
|
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 |
|---|---|---|---|---|
| 0.45 | 42 | 0.3205 | 0.2165 | 0.0307 |
| 0.45 | 54 | -0.189 | 0.1831 | 0.0302 |
| 0.45 | 222 | 0.0002 | 0.2615 | 0.03 |
| 0.55 | 42 | -0.2732 | 0.2475 | 0.0305 |
| 0.55 | 54 | -0.0168 | 0.2181 | 0.03 |
| 0.55 | 222 | 0.11 | 0.2135 | 0.0301 |
| 0.55 | 234 | -0.2157 | 0.2222 | 0.0303 |
| 0.55 | 246 | -0.2266 | 0.2457 | 0.0303 |
| 0.65 | 222 | 0.1083 | 0.2104 | 0.0301 |
| 0.65 | 234 | -0.0963 | 0.2537 | 0.0301 |
| 0.65 | 246 | 0.0906 | 0.2109 | 0.0301 |
| 0.75 | 222 | 0.0375 | 0.2381 | 0.03 |
| 0.75 | 234 | -0.3476 | 0.1806 | 0.0308 |
| 0.75 | 246 | -0.2831 | 0.2032 | 0.0305 |
| 0.85 | 222 | -0.4824 | 0.236 | 0.0315 |
| 0.85 | 234 | -0.2853 | 0.2128 | 0.0305 |