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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: AUL,
Target spin asymmetry.
Beam: e, polarization: longitudinal
Target: p (Z=1, A=1), polarization: longitudinal
Final state: π+n, polarization: none
| Q2 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1595 GeV | |
| ε : | 0.8195 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0679 |
|
Select data slice:
cos(θπ+) = |
Observable quantity measured (Y axis): AUL,
Parameter (X axis): φ(π+), degrees |
Click here to get data in text file, delimited with tabs.
Measured data:
| cos(θπ+) |
φ(π+),
degrees |
AUL | Stat. error | Syst. error |
|---|---|---|---|---|
| 0.35 | 270 | 1.0362 | 0.788 | 0.0701 |
| 0.35 | 282 | 0.1918 | 0.705 | 0.0322 |
| 0.45 | 78 | -0.2039 | 0.7631 | 0.0325 |
| 0.45 | 126 | 0.6391 | 0.9018 | 0.0493 |
| 0.45 | 270 | -0.2378 | 0.5957 | 0.0333 |
| 0.45 | 282 | -0.1766 | 0.7369 | 0.0319 |
| 0.55 | 114 | 0.5215 | 0.8445 | 0.0438 |
| 0.55 | 126 | -0.4021 | 0.7161 | 0.0388 |
| 0.55 | 210 | 0.6732 | 0.8723 | 0.0509 |
| 0.55 | 258 | 0.6242 | 0.8506 | 0.0486 |
| 0.55 | 270 | 0.8312 | 0.8109 | 0.059 |
| 0.55 | 282 | -0.3408 | 0.6441 | 0.0365 |
| 0.65 | 114 | -0.2606 | 0.6884 | 0.034 |
| 0.65 | 126 | -0.5317 | 0.6535 | 0.0442 |
| 0.65 | 138 | -0.0022 | 0.6579 | 0.03 |
| 0.65 | 210 | 0.0833 | 0.6841 | 0.0304 |
| 0.65 | 234 | 1.3661 | 0.8031 | 0.0888 |
| 0.65 | 282 | 0.0273 | 0.7201 | 0.03 |
| 0.65 | 294 | -0.1203 | 0.6758 | 0.0309 |
| 0.75 | 66 | -0.1377 | 0.7754 | 0.0312 |
| 0.75 | 126 | -1.0355 | 0.6444 | 0.0701 |
| 0.75 | 138 | -1.1816 | 0.524 | 0.0782 |
| 0.75 | 198 | 1.6025 | 0.7614 | 0.1025 |
| 0.75 | 210 | 0.0487 | 0.7741 | 0.0301 |
| 0.75 | 222 | -0.3352 | 0.6137 | 0.0363 |
| 0.75 | 234 | 0.5211 | 0.6825 | 0.0438 |
| 0.75 | 246 | 0.7995 | 0.7515 | 0.0574 |
| 0.75 | 270 | 0.316 | 0.6827 | 0.0357 |
| 0.75 | 282 | 0.1835 | 0.6546 | 0.032 |
| 0.75 | 294 | 1.0314 | 0.6479 | 0.0699 |
| 0.85 | 102 | -0.058 | 0.641 | 0.0302 |
| 0.85 | 114 | -1.6729 | 0.5437 | 0.1066 |
| 0.85 | 126 | -0.2276 | 0.8003 | 0.0331 |
| 0.85 | 198 | -0.7487 | 0.6433 | 0.0547 |
| 0.85 | 210 | 1.073 | 0.6506 | 0.0722 |
| 0.85 | 222 | -0.121 | 0.557 | 0.0309 |
| 0.85 | 234 | 0.0227 | 0.6086 | 0.03 |
| 0.85 | 246 | 0.2878 | 0.7193 | 0.0348 |
| 0.95 | 234 | 0.3544 | 0.7162 | 0.037 |
| 0.95 | 246 | -0.3591 | 0.6424 | 0.0372 |