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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 : | 0.0593 GeV2 | |
|---|---|---|
| W : | 1325 GeV | |
| ε : | 0.9505 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2271 |
|
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 | 0.3074 | 0.2531 | 0.0306 |
| 0.15 | 42 | 0.0058 | 0.25 | 0.03 |
| 0.15 | 66 | -0.0654 | 0.2787 | 0.03 |
| 0.15 | 306 | 0.07 | 0.226 | 0.03 |
| 0.15 | 318 | 0.0473 | 0.2713 | 0.03 |
| 0.25 | 66 | -0.2465 | 0.2089 | 0.0304 |
| 0.25 | 78 | 0.2156 | 0.2495 | 0.0303 |
| 0.25 | 294 | -0.1222 | 0.1608 | 0.0301 |
| 0.25 | 306 | 0.1191 | 0.1657 | 0.0301 |
| 0.25 | 318 | 0.3294 | 0.2181 | 0.0307 |
| 0.35 | 66 | -0.0598 | 0.1572 | 0.03 |
| 0.35 | 78 | 0.1956 | 0.1492 | 0.0303 |
| 0.35 | 90 | 0.4427 | 0.2666 | 0.0313 |
| 0.35 | 282 | 0.2927 | 0.1793 | 0.0306 |
| 0.35 | 294 | -0.0224 | 0.1448 | 0.03 |
| 0.35 | 306 | 0.0477 | 0.168 | 0.03 |
| 0.45 | 66 | 0.0812 | 0.137 | 0.03 |
| 0.45 | 78 | 0.2577 | 0.1282 | 0.0304 |
| 0.45 | 90 | -0.0693 | 0.1698 | 0.03 |
| 0.45 | 270 | -0.1472 | 0.2356 | 0.0301 |
| 0.45 | 282 | 0.1092 | 0.1911 | 0.0301 |
| 0.45 | 294 | -0.0823 | 0.1407 | 0.03 |
| 0.45 | 306 | -0.2734 | 0.1922 | 0.0305 |
| 0.55 | 66 | 0.3684 | 0.1508 | 0.0309 |
| 0.55 | 78 | 0.1348 | 0.1364 | 0.0301 |
| 0.55 | 90 | 0.2745 | 0.1647 | 0.0305 |
| 0.55 | 102 | 0.0096 | 0.2108 | 0.03 |
| 0.55 | 246 | -0.0002 | 0.2755 | 0.03 |
| 0.55 | 258 | -0.1056 | 0.1876 | 0.0301 |
| 0.55 | 270 | -0.3387 | 0.1929 | 0.0308 |
| 0.55 | 282 | -0.1028 | 0.1573 | 0.0301 |
| 0.55 | 294 | -0.2279 | 0.1799 | 0.0303 |
| 0.65 | 66 | 0.1969 | 0.2239 | 0.0303 |
| 0.65 | 78 | 0.0129 | 0.1524 | 0.03 |
| 0.65 | 90 | 0.0823 | 0.1782 | 0.03 |
| 0.65 | 102 | 0.397 | 0.1595 | 0.031 |
| 0.65 | 114 | 0.1054 | 0.1565 | 0.0301 |
| 0.65 | 126 | -0.3851 | 0.1804 | 0.031 |
| 0.65 | 138 | 0.4492 | 0.2155 | 0.0313 |
| 0.65 | 222 | 0.0375 | 0.2175 | 0.03 |
| 0.65 | 234 | -0.0504 | 0.1995 | 0.03 |
| 0.65 | 246 | -0.0744 | 0.1684 | 0.03 |
| 0.65 | 258 | -0.0596 | 0.1644 | 0.03 |
| 0.65 | 270 | 0.0683 | 0.1512 | 0.03 |
| 0.65 | 282 | 0.2023 | 0.1607 | 0.0303 |
| 0.75 | 78 | -0.1678 | 0.2274 | 0.0302 |
| 0.75 | 90 | 0.1097 | 0.1963 | 0.0301 |
| 0.75 | 102 | -0.0804 | 0.148 | 0.03 |
| 0.75 | 114 | -0.1046 | 0.1329 | 0.0301 |
| 0.75 | 126 | -0.1225 | 0.1481 | 0.0301 |
| 0.75 | 138 | 0.0936 | 0.1378 | 0.0301 |
| 0.75 | 150 | -0.0359 | 0.2066 | 0.03 |
| 0.75 | 162 | -0.2232 | 0.25 | 0.0303 |
| 0.75 | 222 | -0.305 | 0.1807 | 0.0306 |
| 0.75 | 234 | -0.0215 | 0.141 | 0.03 |
| 0.75 | 246 | -0.059 | 0.1305 | 0.03 |
| 0.75 | 258 | -0.2146 | 0.1316 | 0.0303 |
| 0.75 | 270 | 0.188 | 0.1471 | 0.0302 |
| 0.75 | 282 | -0.253 | 0.1858 | 0.0304 |
| 0.85 | 102 | -0.0045 | 0.2051 | 0.03 |
| 0.85 | 114 | -0.0965 | 0.1447 | 0.0301 |
| 0.85 | 126 | 0.0133 | 0.1296 | 0.03 |
| 0.85 | 138 | 0.1231 | 0.1436 | 0.0301 |
| 0.85 | 150 | 0.0897 | 0.1675 | 0.0301 |
| 0.85 | 162 | 0.3577 | 0.1507 | 0.0308 |
| 0.85 | 174 | -0.1638 | 0.2142 | 0.0302 |
| 0.85 | 186 | 0.206 | 0.2573 | 0.0303 |
| 0.85 | 198 | 0.3486 | 0.1806 | 0.0308 |
| 0.85 | 210 | -0.165 | 0.1919 | 0.0302 |
| 0.85 | 222 | -0.0267 | 0.1583 | 0.03 |
| 0.85 | 234 | -0.1982 | 0.1297 | 0.0303 |
| 0.85 | 246 | 0.0537 | 0.1151 | 0.03 |
| 0.85 | 258 | -0.1827 | 0.1164 | 0.0302 |
| 0.85 | 270 | 0.0847 | 0.131 | 0.03 |
| 0.85 | 282 | -0.2745 | 0.2301 | 0.0305 |
| 0.95 | 126 | -0.0752 | 0.203 | 0.03 |
| 0.95 | 138 | -0.4179 | 0.1938 | 0.0311 |
| 0.95 | 150 | -0.1337 | 0.226 | 0.0301 |
| 0.95 | 162 | -0.2276 | 0.2372 | 0.0303 |
| 0.95 | 186 | -0.2527 | 0.2441 | 0.0304 |
| 0.95 | 198 | -0.2788 | 0.2857 | 0.0305 |
| 0.95 | 210 | -0.5548 | 0.1901 | 0.032 |
| 0.95 | 222 | -0.0679 | 0.2024 | 0.03 |
| 0.95 | 234 | -0.0619 | 0.194 | 0.03 |
| 0.95 | 246 | -0.2822 | 0.1869 | 0.0305 |
| 0.95 | 258 | 0.4243 | 0.1671 | 0.0312 |