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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 : | 0.2915 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.9395 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.4828 |
|
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 | 54 | 0.152 | 0.2505 | 0.0302 |
| 0.05 | 66 | 0.2123 | 0.2831 | 0.0303 |
| 0.05 | 306 | -0.15 | 0.2492 | 0.0301 |
| 0.15 | 66 | 0.2241 | 0.2139 | 0.0303 |
| 0.15 | 294 | 0.0784 | 0.2199 | 0.03 |
| 0.15 | 306 | 0.0316 | 0.2435 | 0.03 |
| 0.25 | 54 | 0.3709 | 0.2432 | 0.0309 |
| 0.25 | 66 | 0.1635 | 0.2099 | 0.0302 |
| 0.25 | 282 | -0.1211 | 0.2372 | 0.0301 |
| 0.25 | 294 | 0.2052 | 0.2123 | 0.0303 |
| 0.25 | 306 | 0.6703 | 0.1595 | 0.0329 |
| 0.35 | 54 | -0.093 | 0.2503 | 0.0301 |
| 0.35 | 66 | -0.0351 | 0.2221 | 0.03 |
| 0.35 | 78 | -0.4154 | 0.2276 | 0.0311 |
| 0.35 | 282 | 0.2728 | 0.2004 | 0.0305 |
| 0.35 | 294 | 0.0573 | 0.2081 | 0.03 |
| 0.45 | 78 | 0.4862 | 0.2569 | 0.0315 |
| 0.45 | 90 | 0.1131 | 0.2414 | 0.0301 |
| 0.45 | 102 | -0.5983 | 0.2075 | 0.0323 |
| 0.45 | 282 | 0.2766 | 0.2377 | 0.0305 |
| 0.45 | 294 | 0.1178 | 0.221 | 0.0301 |
| 0.55 | 78 | -0.1244 | 0.1954 | 0.0301 |
| 0.55 | 90 | 0.3525 | 0.1614 | 0.0308 |
| 0.55 | 102 | 0.1135 | 0.1775 | 0.0301 |
| 0.55 | 114 | 0.0461 | 0.2933 | 0.03 |
| 0.55 | 258 | -0.1807 | 0.2434 | 0.0302 |
| 0.55 | 270 | -0.0115 | 0.2355 | 0.03 |
| 0.55 | 282 | 0.243 | 0.2138 | 0.0304 |
| 0.65 | 78 | -0.2019 | 0.1749 | 0.0303 |
| 0.65 | 90 | -0.0919 | 0.1533 | 0.0301 |
| 0.65 | 102 | -0.0559 | 0.1508 | 0.03 |
| 0.65 | 114 | 0.0353 | 0.1634 | 0.03 |
| 0.65 | 246 | 0.043 | 0.2136 | 0.03 |
| 0.65 | 258 | -0.2608 | 0.181 | 0.0305 |
| 0.65 | 270 | 0.1614 | 0.1891 | 0.0302 |
| 0.65 | 282 | -0.3452 | 0.2007 | 0.0308 |
| 0.65 | 294 | -0.039 | 0.3494 | 0.03 |
| 0.75 | 54 | -0.2811 | 0.1821 | 0.0305 |
| 0.75 | 78 | 0.1175 | 0.1503 | 0.0301 |
| 0.75 | 90 | 0.0797 | 0.1393 | 0.03 |
| 0.75 | 102 | -0.0915 | 0.159 | 0.0301 |
| 0.75 | 114 | 0.1734 | 0.1761 | 0.0302 |
| 0.75 | 126 | 0.294 | 0.216 | 0.0306 |
| 0.75 | 138 | 0.1598 | 0.2827 | 0.0302 |
| 0.75 | 222 | -0.1533 | 0.2147 | 0.0302 |
| 0.75 | 234 | -0.2517 | 0.2068 | 0.0304 |
| 0.75 | 246 | -0.024 | 0.1668 | 0.03 |
| 0.75 | 258 | -0.2247 | 0.148 | 0.0303 |
| 0.75 | 270 | 0.4561 | 0.1347 | 0.0314 |
| 0.75 | 282 | 0.0879 | 0.1702 | 0.0301 |
| 0.75 | 294 | -0.3383 | 0.2168 | 0.0308 |
| 0.85 | 54 | -0.038 | 0.1634 | 0.03 |
| 0.85 | 66 | 0.0572 | 0.2457 | 0.03 |
| 0.85 | 78 | -0.3431 | 0.1837 | 0.0308 |
| 0.85 | 90 | 0.0645 | 0.1349 | 0.03 |
| 0.85 | 102 | 0.2581 | 0.1543 | 0.0304 |
| 0.85 | 114 | 0.1239 | 0.1551 | 0.0301 |
| 0.85 | 126 | 0.2877 | 0.1786 | 0.0305 |
| 0.85 | 138 | -0.0591 | 0.2264 | 0.03 |
| 0.85 | 186 | 0.0311 | 0.2537 | 0.03 |
| 0.85 | 198 | -0.22 | 0.2302 | 0.0303 |
| 0.85 | 210 | 0.2402 | 0.2002 | 0.0304 |
| 0.85 | 222 | 0.2909 | 0.1748 | 0.0306 |
| 0.85 | 234 | -0.0736 | 0.1579 | 0.03 |
| 0.85 | 246 | 0.2707 | 0.1558 | 0.0305 |
| 0.85 | 258 | -0.1451 | 0.1425 | 0.0301 |
| 0.85 | 270 | -0.1522 | 0.1338 | 0.0302 |
| 0.85 | 282 | 0.0328 | 0.1471 | 0.03 |
| 0.85 | 294 | -0.3983 | 0.1396 | 0.031 |
| 0.85 | 306 | 0.2533 | 0.1467 | 0.0304 |
| 0.85 | 318 | 0.0874 | 0.2389 | 0.0301 |
| 0.95 | 54 | 0.0204 | 0.2115 | 0.03 |
| 0.95 | 90 | 0.1317 | 0.2363 | 0.0301 |
| 0.95 | 102 | -0.1445 | 0.2098 | 0.0301 |
| 0.95 | 114 | -0.1971 | 0.2042 | 0.0303 |
| 0.95 | 126 | -0.1278 | 0.2493 | 0.0301 |
| 0.95 | 138 | -0.3232 | 0.2352 | 0.0307 |
| 0.95 | 186 | 0.3007 | 0.2486 | 0.0306 |
| 0.95 | 198 | 0.5868 | 0.1895 | 0.0322 |
| 0.95 | 210 | -0.0384 | 0.238 | 0.03 |
| 0.95 | 222 | -0.2118 | 0.1962 | 0.0303 |
| 0.95 | 234 | -0.2328 | 0.2023 | 0.0304 |
| 0.95 | 246 | -0.0775 | 0.174 | 0.03 |
| 0.95 | 258 | -0.0455 | 0.1627 | 0.03 |
| 0.95 | 270 | 0.2882 | 0.1839 | 0.0305 |
| 0.95 | 282 | -0.1881 | 0.1708 | 0.0302 |
| 0.95 | 294 | -0.1316 | 0.1421 | 0.0301 |
| 0.95 | 306 | -0.0181 | 0.1633 | 0.03 |
| 0.95 | 318 | 0.0669 | 0.1618 | 0.03 |
| 0.95 | 330 | 0.3275 | 0.1914 | 0.0307 |