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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 : | 0.0496 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.9017 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.0677 |
|
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 | 66 | -0.3744 | 0.1604 | 0.031 |
| 0.25 | 78 | -0.008 | 0.1821 | 0.03 |
| 0.35 | 54 | -0.4461 | 0.2265 | 0.0313 |
| 0.35 | 66 | -0.1534 | 0.153 | 0.0302 |
| 0.35 | 78 | 0.3957 | 0.1544 | 0.0312 |
| 0.35 | 258 | -0.0443 | 0.2521 | 0.03 |
| 0.35 | 270 | 0.2238 | 0.138 | 0.0304 |
| 0.35 | 282 | -0.2598 | 0.1364 | 0.0307 |
| 0.35 | 294 | -0.2511 | 0.1634 | 0.0305 |
| 0.45 | 66 | -0.066 | 0.1649 | 0.0303 |
| 0.45 | 78 | 0.0312 | 0.1234 | 0.03 |
| 0.45 | 90 | 0.3708 | 0.2325 | 0.0309 |
| 0.45 | 114 | -0.0601 | 0.1781 | 0.0301 |
| 0.45 | 126 | 0.2188 | 0.1591 | 0.0306 |
| 0.45 | 258 | 0.0048 | 0.2434 | 0.03 |
| 0.45 | 270 | -0.0895 | 0.1414 | 0.0301 |
| 0.45 | 282 | 0.0064 | 0.1431 | 0.03 |
| 0.45 | 294 | 0.1996 | 0.1375 | 0.0303 |
| 0.55 | 66 | 0.1883 | 0.2478 | 0.0302 |
| 0.55 | 78 | 0.0469 | 0.1554 | 0.03 |
| 0.55 | 90 | 0.0784 | 0.2468 | 0.03 |
| 0.55 | 114 | 0.2282 | 0.1269 | 0.0305 |
| 0.55 | 126 | -0.1277 | 0.1462 | 0.0301 |
| 0.55 | 138 | 0.0849 | 0.157 | 0.0301 |
| 0.55 | 150 | 0.1005 | 0.2373 | 0.0301 |
| 0.55 | 210 | 0.328 | 0.1679 | 0.0308 |
| 0.55 | 222 | -0.1435 | 0.1581 | 0.0302 |
| 0.55 | 234 | 0.2859 | 0.1574 | 0.0307 |
| 0.55 | 246 | 0.0028 | 0.2135 | 0.03 |
| 0.55 | 258 | -0.1462 | 0.146 | 0.0302 |
| 0.55 | 270 | 0.0449 | 0.1251 | 0.03 |
| 0.55 | 282 | 0.0943 | 0.1354 | 0.0301 |
| 0.65 | 66 | -0.2864 | 0.2515 | 0.0305 |
| 0.65 | 78 | -0.3446 | 0.1719 | 0.0311 |
| 0.65 | 102 | -0.0889 | 0.1827 | 0.0301 |
| 0.65 | 114 | 0.0492 | 0.1207 | 0.0301 |
| 0.65 | 126 | 0.1338 | 0.1207 | 0.0301 |
| 0.65 | 138 | 0.1371 | 0.1379 | 0.0307 |
| 0.65 | 150 | 0.0127 | 0.2372 | 0.03 |
| 0.65 | 198 | 0.5174 | 0.1351 | 0.0336 |
| 0.65 | 210 | 0.2076 | 0.1416 | 0.0303 |
| 0.65 | 222 | -0.0695 | 0.1378 | 0.0302 |
| 0.65 | 234 | -0.1223 | 0.1436 | 0.0301 |
| 0.65 | 246 | 0.2041 | 0.1525 | 0.0303 |
| 0.65 | 258 | 0.1922 | 0.2398 | 0.0302 |
| 0.65 | 270 | -0.1501 | 0.1604 | 0.0302 |
| 0.75 | 66 | 0.3935 | 0.1894 | 0.031 |
| 0.75 | 114 | 0.2417 | 0.1883 | 0.0304 |
| 0.75 | 126 | 0.0779 | 0.1731 | 0.03 |
| 0.75 | 138 | 0.2716 | 0.1751 | 0.0305 |
| 0.75 | 150 | 0.312 | 0.2379 | 0.0306 |
| 0.75 | 198 | -0.203 | 0.242 | 0.0303 |
| 0.75 | 210 | 0.5043 | 0.1801 | 0.0316 |
| 0.75 | 222 | -0.2985 | 0.1669 | 0.0306 |
| 0.75 | 234 | -0.2446 | 0.181 | 0.0304 |
| 0.75 | 246 | -0.2909 | 0.2175 | 0.0306 |
| 0.75 | 270 | 0.0353 | 0.2588 | 0.03 |
| 0.75 | 282 | 0.0843 | 0.1762 | 0.03 |
| 0.75 | 294 | -0.0555 | 0.207 | 0.03 |
| 0.85 | 102 | 0.0336 | 0.1867 | 0.03 |
| 0.85 | 114 | -0.0921 | 0.212 | 0.0301 |
| 0.85 | 126 | -0.0734 | 0.2032 | 0.03 |
| 0.85 | 138 | 0.2757 | 0.2512 | 0.0305 |
| 0.85 | 198 | -0.0835 | 0.2282 | 0.03 |
| 0.85 | 210 | 0.0128 | 0.1995 | 0.03 |
| 0.85 | 222 | 0.0224 | 0.158 | 0.03 |
| 0.85 | 234 | -0.3678 | 0.1821 | 0.0309 |
| 0.85 | 246 | -0.1228 | 0.2076 | 0.0301 |
| 0.85 | 258 | -0.0309 | 0.2746 | 0.03 |
| 0.95 | 234 | -0.0811 | 0.2334 | 0.03 |
| 0.65 | 294 | 0.4572 | 0.2067 | 0.0314 |
| 0.75 | 102 | -0.1395 | 0.2625 | 0.0301 |
| 0.75 | 114 | -0.3636 | 0.1811 | 0.0309 |
| 0.75 | 126 | -0.0716 | 0.1928 | 0.03 |
| 0.75 | 138 | 0.2262 | 0.1824 | 0.0303 |
| 0.75 | 150 | -0.2793 | 0.2394 | 0.0305 |
| 0.75 | 210 | 0.0142 | 0.226 | 0.03 |
| 0.75 | 222 | 0.1271 | 0.1736 | 0.0301 |
| 0.75 | 234 | -0.4213 | 0.2445 | 0.0312 |
| 0.75 | 246 | 0.0602 | 0.2423 | 0.03 |
| 0.75 | 270 | 0.1072 | 0.247 | 0.0301 |
| 0.75 | 282 | 0.0174 | 0.1645 | 0.03 |
| 0.75 | 294 | 0.507 | 0.1849 | 0.0317 |
| 0.85 | 102 | 0.0668 | 0.198 | 0.03 |
| 0.85 | 114 | 0.0083 | 0.2531 | 0.03 |
| 0.85 | 198 | -0.4175 | 0.2324 | 0.0311 |
| 0.85 | 222 | 0.0302 | 0.1737 | 0.03 |
| 0.85 | 234 | 0.0753 | 0.1837 | 0.03 |
| 0.95 | 222 | 0.4897 | 0.2131 | 0.0316 |
| 0.95 | 234 | -0.0375 | 0.2636 | 0.03 |