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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 : | 1355 GeV | |
| ε : | 0.9448 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1633 |
|
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 |
|---|---|---|---|---|
| 0.15 | 30 | -0.2378 | 0.2221 | 0.0304 |
| 0.15 | 42 | 0.1085 | 0.2832 | 0.0301 |
| 0.15 | 66 | -0.1052 | 0.2448 | 0.0301 |
| 0.15 | 306 | 0.5116 | 0.2209 | 0.0317 |
| 0.25 | 30 | 0.1081 | 0.2704 | 0.0301 |
| 0.25 | 66 | 0.0105 | 0.1893 | 0.03 |
| 0.25 | 78 | 0.1817 | 0.2304 | 0.0302 |
| 0.25 | 282 | -0.6538 | 0.218 | 0.0327 |
| 0.25 | 294 | 0.0478 | 0.1776 | 0.03 |
| 0.25 | 306 | 0.2687 | 0.189 | 0.0305 |
| 0.25 | 330 | -0.1427 | 0.2432 | 0.0301 |
| 0.35 | 30 | 0.3324 | 0.2446 | 0.0307 |
| 0.35 | 54 | -0.055 | 0.2398 | 0.03 |
| 0.35 | 66 | 0.0868 | 0.1479 | 0.0301 |
| 0.35 | 78 | 0.1779 | 0.1373 | 0.0302 |
| 0.35 | 90 | 0.0287 | 0.2155 | 0.03 |
| 0.35 | 282 | -0.0649 | 0.1731 | 0.03 |
| 0.35 | 294 | -0.3475 | 0.1425 | 0.0308 |
| 0.35 | 306 | 0.1916 | 0.1649 | 0.0302 |
| 0.35 | 318 | 0.2944 | 0.2359 | 0.0306 |
| 0.45 | 66 | -0.2084 | 0.1479 | 0.0303 |
| 0.45 | 78 | -0.1104 | 0.1253 | 0.0301 |
| 0.45 | 90 | 0.044 | 0.1688 | 0.03 |
| 0.45 | 270 | -0.0759 | 0.181 | 0.03 |
| 0.45 | 282 | 0.0165 | 0.146 | 0.03 |
| 0.45 | 294 | -0.13 | 0.1337 | 0.0301 |
| 0.45 | 306 | -0.0083 | 0.1819 | 0.03 |
| 0.55 | 66 | -0.0226 | 0.191 | 0.03 |
| 0.55 | 78 | -0.0041 | 0.1315 | 0.03 |
| 0.55 | 90 | -0.2898 | 0.1314 | 0.0306 |
| 0.55 | 102 | 0.0616 | 0.2074 | 0.03 |
| 0.55 | 114 | -0.3209 | 0.2064 | 0.0307 |
| 0.55 | 126 | 0.2938 | 0.2314 | 0.0306 |
| 0.55 | 246 | -0.2192 | 0.2021 | 0.0303 |
| 0.55 | 258 | -0.1327 | 0.2225 | 0.0301 |
| 0.55 | 270 | -0.1075 | 0.1682 | 0.0301 |
| 0.55 | 282 | 0.1299 | 0.1424 | 0.0301 |
| 0.55 | 294 | -0.0945 | 0.1549 | 0.0301 |
| 0.65 | 66 | 0.1478 | 0.2076 | 0.0301 |
| 0.65 | 78 | 0.1029 | 0.168 | 0.0301 |
| 0.65 | 90 | 0.1508 | 0.1836 | 0.0302 |
| 0.65 | 102 | 0.0784 | 0.1695 | 0.03 |
| 0.65 | 114 | 0.0421 | 0.1621 | 0.03 |
| 0.65 | 126 | -0.3641 | 0.1508 | 0.0309 |
| 0.65 | 138 | 0.0645 | 0.1911 | 0.03 |
| 0.65 | 150 | -0.1214 | 0.2684 | 0.0301 |
| 0.65 | 222 | -0.0717 | 0.1745 | 0.03 |
| 0.65 | 234 | -0.0958 | 0.1715 | 0.0301 |
| 0.65 | 246 | 0.111 | 0.1615 | 0.0301 |
| 0.65 | 258 | 0.0406 | 0.1431 | 0.03 |
| 0.65 | 270 | -0.0946 | 0.1482 | 0.0301 |
| 0.65 | 282 | 0.1493 | 0.1708 | 0.0301 |
| 0.75 | 78 | 0.0495 | 0.1916 | 0.03 |
| 0.75 | 90 | -0.2607 | 0.2107 | 0.0304 |
| 0.75 | 102 | -0.0952 | 0.1453 | 0.0301 |
| 0.75 | 114 | -0.1064 | 0.1365 | 0.0301 |
| 0.75 | 126 | 0.2541 | 0.1351 | 0.0304 |
| 0.75 | 138 | 0.0046 | 0.1459 | 0.03 |
| 0.75 | 150 | 0.2166 | 0.1708 | 0.0303 |
| 0.75 | 162 | -0.1808 | 0.2194 | 0.0302 |
| 0.75 | 174 | 0.2628 | 0.247 | 0.0305 |
| 0.75 | 210 | 0.0762 | 0.2016 | 0.03 |
| 0.75 | 222 | -0.1725 | 0.1545 | 0.0302 |
| 0.75 | 234 | 0.0489 | 0.1404 | 0.03 |
| 0.75 | 246 | -0.257 | 0.1181 | 0.0304 |
| 0.75 | 258 | -0.021 | 0.1424 | 0.03 |
| 0.75 | 270 | 0.2496 | 0.1629 | 0.0304 |
| 0.75 | 282 | 0.249 | 0.2708 | 0.0304 |
| 0.85 | 102 | 0.303 | 0.193 | 0.0306 |
| 0.85 | 114 | 0.1408 | 0.1442 | 0.0301 |
| 0.85 | 126 | 0.2004 | 0.1476 | 0.0303 |
| 0.85 | 138 | -0.2276 | 0.1401 | 0.0303 |
| 0.85 | 150 | 0.2282 | 0.1855 | 0.0303 |
| 0.85 | 162 | -0.1227 | 0.1864 | 0.0301 |
| 0.85 | 174 | -0.2616 | 0.2308 | 0.0305 |
| 0.85 | 186 | -0.018 | 0.2473 | 0.03 |
| 0.85 | 198 | 0.2392 | 0.2022 | 0.0304 |
| 0.85 | 210 | 0.1648 | 0.1852 | 0.0302 |
| 0.85 | 222 | -0.1268 | 0.1577 | 0.0301 |
| 0.85 | 234 | -0.0311 | 0.126 | 0.03 |
| 0.85 | 246 | -0.064 | 0.1311 | 0.03 |
| 0.85 | 258 | -0.0323 | 0.1252 | 0.03 |
| 0.85 | 270 | -0.2078 | 0.1512 | 0.0303 |
| 0.95 | 138 | 0.2188 | 0.2592 | 0.0303 |
| 0.95 | 198 | -0.343 | 0.2293 | 0.0308 |
| 0.95 | 210 | 0.1359 | 0.2484 | 0.0301 |
| 0.95 | 222 | -0.2571 | 0.1807 | 0.0304 |
| 0.95 | 234 | 0.2292 | 0.1665 | 0.0303 |
| 0.95 | 246 | 0.1938 | 0.1945 | 0.0302 |
| 0.95 | 258 | 0.3703 | 0.2158 | 0.0309 |