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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.9477 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1527 |
|
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 | 54 | 0.1021 | 0.2664 | 0.0301 |
| 0.15 | 66 | 0.157 | 0.2294 | 0.0302 |
| 0.25 | 54 | -0.0595 | 0.2771 | 0.03 |
| 0.25 | 66 | -0.1946 | 0.1746 | 0.0303 |
| 0.25 | 78 | -0.2452 | 0.2258 | 0.0304 |
| 0.25 | 282 | -0.2498 | 0.2395 | 0.0304 |
| 0.25 | 294 | 0.0163 | 0.2424 | 0.03 |
| 0.35 | 66 | -0.3648 | 0.1828 | 0.0309 |
| 0.35 | 78 | -0.3261 | 0.1637 | 0.0307 |
| 0.35 | 270 | 0.3075 | 0.2474 | 0.0306 |
| 0.35 | 282 | 0.3767 | 0.162 | 0.0309 |
| 0.35 | 294 | -0.4641 | 0.232 | 0.0314 |
| 0.45 | 66 | -0.1417 | 0.2383 | 0.0301 |
| 0.45 | 78 | 0.014 | 0.2166 | 0.03 |
| 0.45 | 102 | 0.1444 | 0.2576 | 0.0301 |
| 0.45 | 270 | 0.1681 | 0.1984 | 0.0302 |
| 0.45 | 282 | -0.2119 | 0.1742 | 0.0303 |
| 0.45 | 294 | 0.1648 | 0.199 | 0.0302 |
| 0.55 | 54 | -0.2224 | 0.2854 | 0.0303 |
| 0.55 | 66 | 0.1817 | 0.2044 | 0.0302 |
| 0.55 | 78 | -0.4185 | 0.2424 | 0.0311 |
| 0.55 | 90 | 0.0813 | 0.2812 | 0.03 |
| 0.55 | 102 | -0.1486 | 0.2145 | 0.0301 |
| 0.55 | 114 | 0.1491 | 0.1867 | 0.0301 |
| 0.55 | 126 | 0.5464 | 0.1843 | 0.0319 |
| 0.55 | 270 | 0.3787 | 0.2129 | 0.0309 |
| 0.55 | 282 | 0.061 | 0.2201 | 0.03 |
| 0.55 | 306 | -0.2742 | 0.2163 | 0.0305 |
| 0.65 | 54 | 0.0606 | 0.2734 | 0.03 |
| 0.65 | 90 | 0.2104 | 0.2187 | 0.0303 |
| 0.65 | 102 | -0.0621 | 0.1572 | 0.03 |
| 0.65 | 114 | 0.0846 | 0.1851 | 0.03 |
| 0.65 | 126 | -0.1282 | 0.1631 | 0.0301 |
| 0.65 | 138 | 0.1157 | 0.1818 | 0.0301 |
| 0.65 | 198 | -0.5262 | 0.1842 | 0.0318 |
| 0.65 | 210 | -0.0198 | 0.2465 | 0.03 |
| 0.65 | 222 | -0.2243 | 0.1848 | 0.0303 |
| 0.65 | 234 | -0.0765 | 0.1856 | 0.03 |
| 0.65 | 246 | 0.1026 | 0.1868 | 0.0301 |
| 0.65 | 270 | -0.1885 | 0.2727 | 0.0302 |
| 0.65 | 294 | -0.3067 | 0.2147 | 0.0306 |
| 0.65 | 306 | -0.147 | 0.2565 | 0.0301 |
| 0.75 | 90 | -0.1231 | 0.2225 | 0.0301 |
| 0.75 | 102 | 0.061 | 0.1665 | 0.03 |
| 0.75 | 114 | 0.1662 | 0.1675 | 0.0302 |
| 0.75 | 126 | 0.3528 | 0.157 | 0.0308 |
| 0.75 | 138 | -0.1031 | 0.1829 | 0.0301 |
| 0.75 | 150 | 0.4774 | 0.2322 | 0.0315 |
| 0.75 | 186 | -0.442 | 0.2357 | 0.0313 |
| 0.75 | 198 | -0.0211 | 0.2475 | 0.03 |
| 0.75 | 210 | 0.1802 | 0.189 | 0.0302 |
| 0.75 | 222 | -0.1632 | 0.1831 | 0.0302 |
| 0.75 | 234 | -0.3056 | 0.1441 | 0.0306 |
| 0.75 | 246 | -0.2238 | 0.155 | 0.0303 |
| 0.75 | 258 | 0.1119 | 0.1955 | 0.0301 |
| 0.75 | 282 | 0.2892 | 0.2438 | 0.0306 |
| 0.75 | 294 | 0.0902 | 0.3501 | 0.0301 |
| 0.85 | 78 | 0.2573 | 0.2039 | 0.0304 |
| 0.85 | 90 | 0.2016 | 0.1828 | 0.0303 |
| 0.85 | 102 | -0.2042 | 0.2003 | 0.0303 |
| 0.85 | 114 | 0.2397 | 0.1943 | 0.0304 |
| 0.85 | 126 | -0.2693 | 0.159 | 0.0305 |
| 0.85 | 138 | -0.1563 | 0.2105 | 0.0302 |
| 0.85 | 150 | 0.1345 | 0.2411 | 0.0301 |
| 0.85 | 198 | -0.1566 | 0.2136 | 0.0302 |
| 0.85 | 210 | 0.4909 | 0.1633 | 0.0316 |
| 0.85 | 222 | 0.1585 | 0.1683 | 0.0302 |
| 0.85 | 234 | 0.0181 | 0.147 | 0.03 |
| 0.85 | 246 | -0.2766 | 0.1353 | 0.0305 |
| 0.85 | 258 | -0.2575 | 0.1626 | 0.0304 |
| 0.85 | 270 | -0.2001 | 0.2855 | 0.0303 |
| 0.95 | 90 | 0.579 | 0.1695 | 0.0322 |
| 0.95 | 102 | -0.2415 | 0.2594 | 0.0304 |
| 0.95 | 186 | 0.3839 | 0.2528 | 0.031 |
| 0.95 | 210 | 0.6083 | 0.2238 | 0.0324 |
| 0.95 | 222 | 0.2469 | 0.2018 | 0.0304 |
| 0.95 | 234 | -0.2242 | 0.1991 | 0.0303 |
| 0.95 | 246 | 0.0118 | 0.1763 | 0.03 |
| 0.95 | 258 | -0.0543 | 0.1681 | 0.03 |
| 0.95 | 270 | -0.1501 | 0.201 | 0.0301 |