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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 : | 0.0844 GeV2 | |
|---|---|---|
| W : | 1295 GeV | |
| ε : | 0.9517 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.3646 |
|
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 |
|---|---|---|---|---|
| 0.05 | 318 | -0.1589 | 0.2749 | 0.0302 |
| 0.15 | 66 | 0.1483 | 0.2697 | 0.0301 |
| 0.15 | 306 | -0.5707 | 0.1759 | 0.0321 |
| 0.15 | 318 | 0.0303 | 0.2832 | 0.03 |
| 0.25 | 66 | -0.1862 | 0.19 | 0.0302 |
| 0.25 | 78 | 0.214 | 0.2485 | 0.0303 |
| 0.25 | 294 | 0.0346 | 0.1873 | 0.03 |
| 0.25 | 306 | 0.1417 | 0.1788 | 0.0301 |
| 0.35 | 66 | 0.1592 | 0.1726 | 0.0302 |
| 0.35 | 78 | 0.2379 | 0.1453 | 0.0304 |
| 0.35 | 90 | -0.2319 | 0.2743 | 0.0304 |
| 0.35 | 282 | 0.0022 | 0.2828 | 0.03 |
| 0.35 | 294 | -0.0471 | 0.1781 | 0.03 |
| 0.35 | 306 | 0.1862 | 0.2186 | 0.0302 |
| 0.45 | 66 | 0.1928 | 0.1841 | 0.0302 |
| 0.45 | 78 | 0.0704 | 0.1389 | 0.03 |
| 0.45 | 90 | -0.003 | 0.2396 | 0.03 |
| 0.45 | 282 | 0.1986 | 0.2082 | 0.0303 |
| 0.45 | 294 | -0.0845 | 0.2142 | 0.03 |
| 0.45 | 306 | 0.0828 | 0.2834 | 0.03 |
| 0.55 | 66 | -0.3101 | 0.1856 | 0.0306 |
| 0.55 | 78 | 0.1114 | 0.1662 | 0.0301 |
| 0.55 | 90 | -0.0466 | 0.1958 | 0.03 |
| 0.55 | 258 | -0.3225 | 0.2254 | 0.0307 |
| 0.55 | 270 | -0.1037 | 0.1873 | 0.0301 |
| 0.55 | 282 | -0.2746 | 0.2037 | 0.0305 |
| 0.55 | 294 | 0.2452 | 0.2406 | 0.0304 |
| 0.65 | 66 | -0.0389 | 0.2487 | 0.03 |
| 0.65 | 78 | -0.0667 | 0.1861 | 0.03 |
| 0.65 | 90 | 0.3189 | 0.2371 | 0.0307 |
| 0.65 | 102 | -0.2511 | 0.1916 | 0.0304 |
| 0.65 | 114 | 0.2911 | 0.2269 | 0.0306 |
| 0.65 | 246 | -0.0249 | 0.2174 | 0.03 |
| 0.65 | 258 | -0.0747 | 0.1726 | 0.03 |
| 0.65 | 270 | -0.1778 | 0.1411 | 0.0302 |
| 0.65 | 282 | -0.2812 | 0.179 | 0.0305 |
| 0.75 | 90 | -0.2022 | 0.2092 | 0.0303 |
| 0.75 | 102 | 0.2161 | 0.1717 | 0.0303 |
| 0.75 | 114 | 0.0755 | 0.1644 | 0.03 |
| 0.75 | 126 | -0.2431 | 0.1715 | 0.0304 |
| 0.75 | 138 | 0.3223 | 0.2009 | 0.0307 |
| 0.75 | 222 | -0.0182 | 0.2323 | 0.03 |
| 0.75 | 234 | 0.1508 | 0.1771 | 0.0302 |
| 0.75 | 246 | -0.2353 | 0.1375 | 0.0304 |
| 0.75 | 258 | -0.1313 | 0.1463 | 0.0301 |
| 0.75 | 270 | -0.1197 | 0.1486 | 0.0301 |
| 0.75 | 282 | -0.1115 | 0.1509 | 0.0301 |
| 0.85 | 90 | 0.2623 | 0.2485 | 0.0305 |
| 0.85 | 102 | 0.21 | 0.1362 | 0.0303 |
| 0.85 | 114 | -0.3827 | 0.1339 | 0.031 |
| 0.85 | 126 | -0.043 | 0.1336 | 0.03 |
| 0.85 | 138 | 0.1083 | 0.1413 | 0.0301 |
| 0.85 | 150 | 0.2445 | 0.1798 | 0.0304 |
| 0.85 | 162 | -0.0204 | 0.2042 | 0.03 |
| 0.85 | 174 | 0.3794 | 0.1986 | 0.0309 |
| 0.85 | 210 | 0.1872 | 0.2277 | 0.0302 |
| 0.85 | 222 | 0.1952 | 0.1991 | 0.0303 |
| 0.85 | 234 | -0.13 | 0.1532 | 0.0301 |
| 0.85 | 246 | -0.111 | 0.1548 | 0.0301 |
| 0.85 | 258 | -0.0892 | 0.1366 | 0.0301 |
| 0.85 | 270 | -0.0922 | 0.1427 | 0.0301 |
| 0.85 | 282 | 0.4834 | 0.1718 | 0.0315 |
| 0.95 | 114 | -0.3004 | 0.1859 | 0.0306 |
| 0.95 | 126 | 0.0518 | 0.198 | 0.03 |
| 0.95 | 138 | -0.0503 | 0.1826 | 0.03 |
| 0.95 | 150 | 0.0582 | 0.1881 | 0.03 |
| 0.95 | 162 | 0.0495 | 0.2022 | 0.03 |
| 0.95 | 174 | -0.09 | 0.2339 | 0.0301 |
| 0.95 | 198 | 0.0099 | 0.2387 | 0.03 |
| 0.95 | 210 | 0.0259 | 0.2537 | 0.03 |
| 0.95 | 222 | -0.4999 | 0.2121 | 0.0316 |
| 0.95 | 234 | -0.3931 | 0.1751 | 0.031 |
| 0.95 | 246 | -0.0567 | 0.2067 | 0.03 |
| 0.95 | 258 | 0.258 | 0.1893 | 0.0304 |
| 0.95 | 270 | -0.2115 | 0.2411 | 0.0303 |