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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 : | 0.205 GeV2 | |
|---|---|---|
| W : | 1295 GeV | |
| ε : | 0.9402 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.6765 |
|
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 | 78 | -0.1946 | 0.4573 | 0.0326 |
| 0.65 | 282 | 1.0657 | 0.5112 | 0.0761 |
| 0.75 | 90 | -0.1357 | 0.485 | 0.0313 |
| 0.75 | 102 | 0.7139 | 0.5472 | 0.0556 |
| 0.75 | 246 | 0.3533 | 0.6098 | 0.0379 |
| 0.75 | 270 | 0.1427 | 0.4429 | 0.0314 |
| 0.75 | 282 | -0.2484 | 0.4049 | 0.0341 |
| 0.75 | 294 | 0.6517 | 0.4714 | 0.0522 |
| 0.85 | 78 | 0.107 | 0.5121 | 0.0308 |
| 0.85 | 90 | 0.591 | 0.548 | 0.049 |
| 0.85 | 102 | 0.0687 | 0.5049 | 0.0303 |
| 0.85 | 114 | 0.5269 | 0.5466 | 0.0458 |
| 0.85 | 126 | -0.6695 | 0.5304 | 0.0532 |
| 0.85 | 234 | -0.2653 | 0.5501 | 0.0347 |
| 0.85 | 246 | 0.3602 | 0.5492 | 0.0382 |
| 0.85 | 258 | -0.3038 | 0.439 | 0.036 |
| 0.85 | 270 | 0.9902 | 0.5035 | 0.0716 |
| 0.85 | 282 | -0.4352 | 0.3904 | 0.0414 |
| 0.85 | 294 | 1.0036 | 0.561 | 0.0724 |
| 0.95 | 102 | 0.9536 | 0.8892 | 0.0694 |
| 0.95 | 126 | -0.6486 | 0.8806 | 0.0521 |
| 0.15 | 66 | -0.6856 | 1.3607 | 0.07 |
| 0.55 | 270 | 2.5276 | 1.51 | 0.2352 |
| 0.65 | 282 | -1.8216 | 1.1374 | 0.1708 |
| 0.65 | 294 | -1.059 | 1.2594 | 0.1022 |
| 0.75 | 90 | 2.4708 | 1.5377 | 0.23 |
| 0.75 | 102 | 1.6955 | 1.5752 | 0.1593 |
| 0.75 | 258 | 2.4423 | 1.5775 | 0.2274 |
| 0.75 | 270 | 1.26 | 1.4611 | 0.1201 |
| 0.75 | 282 | -0.7158 | 1.2352 | 0.0726 |
| 0.75 | 294 | -0.2611 | 1.3161 | 0.0385 |
| 0.85 | 90 | 2.4014 | 1.6895 | 0.2237 |
| 0.85 | 102 | 1.2311 | 1.4332 | 0.1175 |
| 0.85 | 114 | -0.3829 | 1.6332 | 0.0464 |
| 0.85 | 126 | 2.2084 | 2.1446 | 0.206 |
| 0.85 | 246 | 2.762 | 1.8351 | 0.2567 |
| 0.85 | 258 | 3.1048 | 1.8438 | 0.2881 |
| 0.85 | 270 | -2.476 | 1.3453 | 0.2305 |
| 0.85 | 282 | -2.45 | 1.1693 | 0.2281 |
| 0.85 | 294 | 0.1252 | 1.6168 | 0.0321 |
| 0.95 | 90 | 0.5577 | 4.8569 | 0.0596 |
| 0.95 | 102 | -3.1157 | 4.5222 | 0.2891 |
| 0.95 | 114 | 0.7948 | 5.7383 | 0.0793 |
| 0.95 | 126 | 0.8634 | 5.5737 | 0.0851 |
| 0.95 | 258 | -5.3606 | 3.7775 | 0.4957 |
| 0.95 | 270 | -1.1074 | 4.0104 | 0.1065 |
| 0.95 | 282 | 0.8089 | 3.8869 | 0.0805 |
| 0.95 | 294 | 0.0148 | 4.3344 | 0.03 |