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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 : | 0.2445 GeV2 | |
|---|---|---|
| W : | 1235 GeV | |
| ε : | 0.9697 | |
| Ebeam : | 2.999 GeV | |
| εL: | 1.0557 |
|
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 | 66 | -0.1983 | 0.2225 | 0.0303 |
| 0.25 | 66 | -0.1003 | 0.154 | 0.0301 |
| 0.35 | 66 | -0.0296 | 0.1762 | 0.03 |
| 0.35 | 78 | -0.0679 | 0.2566 | 0.03 |
| 0.35 | 282 | 0.0411 | 0.2049 | 0.03 |
| 0.35 | 294 | -0.2129 | 0.2511 | 0.0303 |
| 0.45 | 66 | 0.2179 | 0.1828 | 0.0303 |
| 0.45 | 282 | 0.1492 | 0.1864 | 0.0301 |
| 0.45 | 294 | -0.0799 | 0.2022 | 0.03 |
| 0.55 | 78 | -0.4702 | 0.2415 | 0.0314 |
| 0.55 | 270 | -0.1847 | 0.2136 | 0.0302 |
| 0.55 | 282 | -0.2994 | 0.145 | 0.0306 |
| 0.55 | 294 | 0.2857 | 0.1476 | 0.0305 |
| 0.65 | 66 | -0.0945 | 0.2667 | 0.0301 |
| 0.65 | 78 | 0.1378 | 0.2124 | 0.0301 |
| 0.65 | 90 | 0.2387 | 0.2023 | 0.0304 |
| 0.65 | 270 | 0.0611 | 0.1498 | 0.03 |
| 0.65 | 282 | -0.2235 | 0.1339 | 0.0303 |
| 0.65 | 294 | -0.1179 | 0.1487 | 0.0301 |
| 0.65 | 306 | 0.3379 | 0.2074 | 0.0308 |
| 0.75 | 66 | -0.1407 | 0.1667 | 0.0301 |
| 0.75 | 78 | 0.0389 | 0.1613 | 0.03 |
| 0.75 | 90 | -0.3319 | 0.1439 | 0.0307 |
| 0.75 | 102 | 0.093 | 0.1762 | 0.0301 |
| 0.75 | 258 | -0.2093 | 0.1912 | 0.0303 |
| 0.75 | 270 | 0.2058 | 0.1476 | 0.0303 |
| 0.75 | 282 | 0.0399 | 0.1348 | 0.03 |
| 0.75 | 294 | 0.0789 | 0.1558 | 0.03 |
| 0.75 | 306 | -0.0456 | 0.2339 | 0.03 |
| 0.85 | 54 | -0.5209 | 0.1932 | 0.0318 |
| 0.85 | 66 | 0.1787 | 0.1523 | 0.0302 |
| 0.85 | 78 | 0.1324 | 0.1297 | 0.0301 |
| 0.85 | 90 | -0.1194 | 0.1442 | 0.0301 |
| 0.85 | 102 | -0.0038 | 0.1499 | 0.03 |
| 0.85 | 114 | 0.2387 | 0.1728 | 0.0304 |
| 0.85 | 246 | 0.1345 | 0.2306 | 0.0301 |
| 0.85 | 258 | 0.0602 | 0.175 | 0.03 |
| 0.85 | 270 | -0.0622 | 0.1682 | 0.03 |
| 0.85 | 282 | -0.2065 | 0.1703 | 0.0303 |
| 0.85 | 294 | -0.3648 | 0.1449 | 0.0309 |
| 0.85 | 306 | 0.2326 | 0.2 | 0.0304 |
| 0.95 | 42 | 0.107 | 0.2172 | 0.0301 |
| 0.95 | 54 | -0.1366 | 0.2059 | 0.0301 |
| 0.95 | 66 | 0.1677 | 0.1944 | 0.0302 |
| 0.95 | 78 | -0.0412 | 0.1547 | 0.03 |
| 0.95 | 90 | 0.1004 | 0.1766 | 0.0301 |
| 0.95 | 102 | -0.3552 | 0.1928 | 0.0308 |
| 0.95 | 114 | 0.1527 | 0.1486 | 0.0302 |
| 0.95 | 126 | -0.1669 | 0.205 | 0.0302 |
| 0.95 | 150 | -0.0187 | 0.2797 | 0.03 |
| 0.95 | 246 | 0.0182 | 0.2574 | 0.03 |
| 0.95 | 258 | 0.0521 | 0.2394 | 0.03 |
| 0.95 | 270 | -0.0149 | 0.2282 | 0.03 |
| 0.95 | 282 | 0.0846 | 0.2404 | 0.03 |
| 0.95 | 294 | 0.1711 | 0.2446 | 0.0302 |
| 0.95 | 306 | -0.3441 | 0.2562 | 0.0308 |