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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 : | 0.0707 GeV2 | |
|---|---|---|
| W : | 1265 GeV | |
| ε : | 0.9709 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.387 |
|
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 | 0.2988 | 0.21 | 0.0306 |
| 0.25 | 306 | 0.1859 | 0.2151 | 0.0302 |
| 0.35 | 66 | 0.0249 | 0.2052 | 0.03 |
| 0.35 | 78 | -0.4446 | 0.2007 | 0.0313 |
| 0.45 | 66 | 0.3068 | 0.1811 | 0.0306 |
| 0.45 | 78 | 0.0743 | 0.1842 | 0.03 |
| 0.45 | 90 | 0.4295 | 0.1961 | 0.0312 |
| 0.55 | 78 | 0.2656 | 0.16 | 0.0305 |
| 0.55 | 90 | 0.0619 | 0.241 | 0.03 |
| 0.55 | 270 | 0.1566 | 0.222 | 0.0302 |
| 0.55 | 282 | -0.0108 | 0.2551 | 0.03 |
| 0.65 | 78 | -0.0224 | 0.1981 | 0.03 |
| 0.65 | 90 | -0.016 | 0.2402 | 0.03 |
| 0.65 | 258 | -0.1159 | 0.1688 | 0.0301 |
| 0.65 | 270 | -0.0436 | 0.1464 | 0.03 |
| 0.65 | 282 | -0.1698 | 0.1844 | 0.0302 |
| 0.75 | 102 | -0.3824 | 0.2143 | 0.031 |
| 0.75 | 114 | 0.4849 | 0.1817 | 0.0315 |
| 0.75 | 126 | 0.318 | 0.2151 | 0.0307 |
| 0.75 | 234 | -0.2457 | 0.2063 | 0.0304 |
| 0.75 | 246 | 0.0113 | 0.1713 | 0.03 |
| 0.75 | 258 | -0.0714 | 0.1502 | 0.03 |
| 0.75 | 270 | -0.0621 | 0.1567 | 0.03 |
| 0.75 | 282 | -0.2454 | 0.2171 | 0.0304 |
| 0.85 | 102 | 0.0361 | 0.2046 | 0.03 |
| 0.85 | 114 | -0.0448 | 0.1615 | 0.03 |
| 0.85 | 126 | -0.069 | 0.1437 | 0.03 |
| 0.85 | 138 | -0.126 | 0.1663 | 0.0301 |
| 0.85 | 150 | 0.3792 | 0.1727 | 0.0309 |
| 0.85 | 162 | 0.0914 | 0.2249 | 0.0301 |
| 0.85 | 222 | -0.3714 | 0.2224 | 0.0309 |
| 0.85 | 234 | -0.0987 | 0.1826 | 0.0301 |
| 0.85 | 246 | -0.0325 | 0.1683 | 0.03 |
| 0.85 | 258 | -0.0335 | 0.1734 | 0.03 |
| 0.85 | 270 | 0.3117 | 0.1784 | 0.0306 |
| 0.95 | 114 | -0.014 | 0.1969 | 0.03 |
| 0.95 | 126 | 0.2466 | 0.03 | |
| 0.95 | 138 | 0.101 | 0.2338 | 0.0301 |
| 0.95 | 150 | -0.1961 | 0.2054 | 0.0303 |
| 0.95 | 162 | -0.0419 | 0.2539 | 0.03 |
| 0.95 | 174 | -0.0981 | 0.2098 | 0.0301 |
| 0.95 | 234 | 0.2316 | 0.2388 | 0.0304 |
| 0.15 | 306 | 0.2078 | 0.2429 | 0.0303 |
| 0.25 | 66 | 0.1388 | 0.2418 | 0.0301 |
| 0.25 | 78 | 0.3513 | 0.2326 | 0.0308 |
| 0.25 | 294 | 0.0473 | 0.2539 | 0.03 |
| 0.25 | 306 | -0.1084 | 0.2202 | 0.0301 |
| 0.35 | 66 | -0.2401 | 0.1778 | 0.0304 |
| 0.35 | 78 | 0.1557 | 0.1751 | 0.0302 |
| 0.35 | 294 | 0.0217 | 0.2223 | 0.03 |
| 0.45 | 66 | 0.1627 | 0.1932 | 0.0302 |
| 0.45 | 78 | -0.1051 | 0.1486 | 0.0301 |
| 0.45 | 90 | -0.0961 | 0.2519 | 0.0301 |
| 0.45 | 294 | -0.1729 | 0.2219 | 0.0302 |
| 0.55 | 78 | 0.1041 | 0.1453 | 0.0301 |
| 0.55 | 90 | -0.0567 | 0.2053 | 0.03 |
| 0.55 | 270 | -0.1454 | 0.2043 | 0.0301 |
| 0.55 | 282 | -0.228 | 0.2286 | 0.0303 |
| 0.65 | 78 | -0.4146 | 0.2356 | 0.0311 |
| 0.65 | 90 | 0.2185 | 0.2255 | 0.0303 |
| 0.65 | 102 | -0.1013 | 0.2446 | 0.0301 |
| 0.65 | 246 | -0.1884 | 0.2307 | 0.0302 |
| 0.65 | 258 | 0.0952 | 0.1579 | 0.0301 |
| 0.65 | 270 | -0.018 | 0.1503 | 0.03 |
| 0.65 | 282 | 0.1005 | 0.1875 | 0.0301 |
| 0.75 | 90 | -0.0288 | 0.2389 | 0.03 |
| 0.75 | 102 | 0.1143 | 0.2363 | 0.0301 |
| 0.75 | 114 | 0.3498 | 0.1658 | 0.0308 |
| 0.75 | 126 | 0.2588 | 0.1645 | 0.0304 |
| 0.75 | 138 | 0.2899 | 0.2033 | 0.0306 |
| 0.75 | 234 | 0.2105 | 0.2524 | 0.0303 |
| 0.75 | 246 | 0.1033 | 0.1623 | 0.0301 |
| 0.75 | 258 | 0.0065 | 0.1404 | 0.03 |
| 0.75 | 270 | -0.0422 | 0.1456 | 0.03 |
| 0.75 | 282 | 0.0047 | 0.1883 | 0.03 |
| 0.85 | 102 | -0.2502 | 0.1627 | 0.0304 |
| 0.85 | 114 | 0.2677 | 0.1442 | 0.0305 |
| 0.85 | 126 | -0.1489 | 0.1486 | 0.0301 |
| 0.85 | 138 | -0.0761 | 0.1496 | 0.03 |
| 0.85 | 150 | 0.0016 | 0.1756 | 0.03 |
| 0.85 | 162 | -0.0121 | 0.2114 | 0.03 |
| 0.85 | 234 | 0.1858 | 0.1883 | 0.0302 |
| 0.85 | 246 | -0.0261 | 0.1641 | 0.03 |
| 0.85 | 258 | -0.019 | 0.1507 | 0.03 |
| 0.85 | 270 | -0.109 | 0.1687 | 0.0301 |
| 0.95 | 114 | 0.3185 | 0.2012 | 0.0307 |
| 0.95 | 126 | 0.1751 | 0.1881 | 0.0302 |
| 0.95 | 138 | -0.0187 | 0.2058 | 0.03 |
| 0.95 | 150 | -0.1737 | 0.2392 | 0.0302 |
| 0.95 | 162 | 0.0042 | 0.2118 | 0.03 |
| 0.95 | 174 | -0.5119 | 0.2213 | 0.0317 |
| 0.95 | 186 | -0.1904 | 0.2544 | 0.0302 |
| 0.95 | 210 | 0.5571 | 0.215 | 0.032 |
| 0.95 | 234 | 0.1514 | 0.2486 | 0.0302 |