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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 : | 0.0291 GeV2 | |
|---|---|---|
| W : | 1445 GeV | |
| ε : | 0.6382 | |
| Ebeam : | 1.0539 GeV | |
| εL: | 0.0428 |
|
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 |
|---|---|---|---|---|
| 0.25 | 42 | 0.1217 | 0.2016 | 0.0301 |
| 0.25 | 54 | -0.19 | 0.2127 | 0.0302 |
| 0.35 | 30 | -0.1828 | 0.2533 | 0.0302 |
| 0.35 | 42 | 0.2218 | 0.197 | 0.0303 |
| 0.35 | 54 | -0.1422 | 0.1549 | 0.0301 |
| 0.45 | 30 | 0.5158 | 0.2232 | 0.0317 |
| 0.45 | 42 | 0.1119 | 0.189 | 0.0301 |
| 0.45 | 54 | -0.2577 | 0.1514 | 0.0304 |
| 0.45 | 66 | -0.0725 | 0.2508 | 0.03 |
| 0.45 | 246 | -0.0016 | 0.1992 | 0.03 |
| 0.45 | 258 | 0.1239 | 0.2589 | 0.0301 |
| 0.55 | 30 | 0.0414 | 0.2503 | 0.03 |
| 0.55 | 42 | -0.1277 | 0.1905 | 0.0301 |
| 0.55 | 54 | 0.0177 | 0.1859 | 0.03 |
| 0.55 | 150 | 0.0666 | 0.2201 | 0.03 |
| 0.55 | 162 | -0.321 | 0.253 | 0.0307 |
| 0.55 | 210 | -0.5507 | 0.216 | 0.032 |
| 0.55 | 222 | 0.4194 | 0.1822 | 0.0312 |
| 0.55 | 234 | 0.0832 | 0.1735 | 0.03 |
| 0.55 | 246 | 0.135 | 0.1688 | 0.0301 |
| 0.55 | 258 | -0.0407 | 0.2151 | 0.03 |
| 0.65 | 150 | 0.0504 | 0.2174 | 0.03 |
| 0.65 | 162 | -0.1733 | 0.2082 | 0.0302 |
| 0.65 | 174 | 0.3092 | 0.198 | 0.0306 |
| 0.65 | 210 | -0.082 | 0.2315 | 0.03 |
| 0.65 | 222 | 0.2198 | 0.1901 | 0.0303 |
| 0.65 | 234 | -0.0171 | 0.1548 | 0.03 |
| 0.65 | 246 | -0.2556 | 0.1383 | 0.0304 |
| 0.65 | 258 | -0.3799 | 0.173 | 0.0309 |
| 0.75 | 42 | 0.1924 | 0.2466 | 0.0302 |
| 0.75 | 138 | -0.1005 | 0.2407 | 0.0301 |
| 0.75 | 150 | 0.1147 | 0.2346 | 0.0301 |
| 0.75 | 162 | -0.169 | 0.2318 | 0.0302 |
| 0.75 | 174 | 0.3576 | 0.2419 | 0.0308 |
| 0.75 | 210 | 0.2609 | 0.2458 | 0.0305 |
| 0.75 | 222 | 0.0528 | 0.1875 | 0.03 |
| 0.75 | 234 | 0.134 | 0.1962 | 0.0301 |
| 0.75 | 246 | -0.1411 | 0.1311 | 0.0301 |
| 0.75 | 258 | 0.1427 | 0.1539 | 0.0301 |
| 0.85 | 222 | -0.5112 | 0.1907 | 0.0317 |
| 0.85 | 234 | -0.0806 | 0.166 | 0.03 |
| 0.85 | 246 | 0.0909 | 0.1619 | 0.0301 |
| 0.85 | 258 | -0.0661 | 0.1947 | 0.03 |