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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 : | 0.0348 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.8895 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0541 |
|
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 | 0.0318 | 0.2274 | 0.03 |
| 0.25 | 78 | 0.1901 | 0.199 | 0.0302 |
| 0.25 | 282 | -0.0318 | 0.2636 | 0.03 |
| 0.25 | 294 | 0.0869 | 0.2377 | 0.0301 |
| 0.25 | 330 | 0.1995 | 0.2837 | 0.0303 |
| 0.35 | 18 | 0.0154 | 0.2799 | 0.03 |
| 0.35 | 30 | -0.4951 | 0.246 | 0.0316 |
| 0.35 | 66 | -0.0915 | 0.175 | 0.0301 |
| 0.35 | 78 | 0.0365 | 0.1663 | 0.03 |
| 0.35 | 90 | -0.0644 | 0.1951 | 0.03 |
| 0.35 | 258 | -0.6789 | 0.1899 | 0.0329 |
| 0.35 | 270 | 0.0461 | 0.1746 | 0.03 |
| 0.35 | 282 | 0.0107 | 0.1626 | 0.03 |
| 0.35 | 294 | -0.3228 | 0.1709 | 0.0307 |
| 0.35 | 318 | -0.3277 | 0.2606 | 0.0307 |
| 0.35 | 330 | 0.0984 | 0.2741 | 0.0301 |
| 0.45 | 18 | -0.1453 | 0.2515 | 0.0301 |
| 0.45 | 30 | -0.2857 | 0.222 | 0.0305 |
| 0.45 | 66 | -0.0655 | 0.1811 | 0.03 |
| 0.45 | 78 | 0.1525 | 0.1407 | 0.0302 |
| 0.45 | 90 | -0.0748 | 0.1741 | 0.03 |
| 0.45 | 102 | 0.2382 | 0.2075 | 0.0304 |
| 0.45 | 126 | -0.3076 | 0.2161 | 0.0306 |
| 0.45 | 258 | 0.2511 | 0.1965 | 0.0304 |
| 0.45 | 270 | 0.1156 | 0.1489 | 0.0301 |
| 0.45 | 282 | -0.0159 | 0.141 | 0.03 |
| 0.45 | 294 | 0.1466 | 0.2066 | 0.0301 |
| 0.55 | 66 | 0.2858 | 0.2419 | 0.0305 |
| 0.55 | 78 | -0.1679 | 0.1593 | 0.0302 |
| 0.55 | 90 | -0.1839 | 0.193 | 0.0302 |
| 0.55 | 102 | 0.5553 | 0.1875 | 0.032 |
| 0.55 | 114 | 0.4618 | 0.1693 | 0.0314 |
| 0.55 | 126 | 0.1366 | 0.1609 | 0.0301 |
| 0.55 | 138 | 0.0711 | 0.1767 | 0.03 |
| 0.55 | 150 | 0.0866 | 0.2246 | 0.03 |
| 0.55 | 198 | 0.4138 | 0.244 | 0.0311 |
| 0.55 | 210 | -0.0188 | 0.2224 | 0.03 |
| 0.55 | 222 | -0.1141 | 0.1928 | 0.0301 |
| 0.55 | 234 | 0.0757 | 0.1717 | 0.03 |
| 0.55 | 246 | 0.0656 | 0.2027 | 0.03 |
| 0.55 | 258 | -0.0473 | 0.1969 | 0.03 |
| 0.55 | 270 | -0.2587 | 0.1499 | 0.0304 |
| 0.55 | 282 | -0.2057 | 0.172 | 0.0303 |
| 0.55 | 294 | -0.1065 | 0.1994 | 0.0301 |
| 0.65 | 66 | 0.0883 | 0.2208 | 0.0301 |
| 0.65 | 78 | 0.1205 | 0.1952 | 0.0301 |
| 0.65 | 90 | -0.1955 | 0.2267 | 0.0303 |
| 0.65 | 102 | -0.0379 | 0.2061 | 0.03 |
| 0.65 | 114 | -0.159 | 0.1686 | 0.0302 |
| 0.65 | 126 | 0.1241 | 0.1528 | 0.0301 |
| 0.65 | 138 | 0.1311 | 0.1766 | 0.0301 |
| 0.65 | 150 | -0.0366 | 0.2 | 0.03 |
| 0.65 | 186 | 0.6582 | 0.1885 | 0.0328 |
| 0.65 | 198 | 0.1463 | 0.1978 | 0.0301 |
| 0.65 | 210 | 0.0554 | 0.1526 | 0.03 |
| 0.65 | 222 | 0.0658 | 0.1581 | 0.03 |
| 0.65 | 234 | 0.1241 | 0.1829 | 0.0301 |
| 0.65 | 246 | 0.294 | 0.1664 | 0.0306 |
| 0.65 | 258 | -0.0843 | 0.19 | 0.03 |
| 0.65 | 270 | 0.0985 | 0.2646 | 0.0301 |
| 0.65 | 282 | 0.0392 | 0.2439 | 0.03 |
| 0.65 | 294 | -0.2128 | 0.2017 | 0.0303 |
| 0.75 | 66 | 0.1405 | 0.2268 | 0.0301 |
| 0.75 | 78 | 0.294 | 0.1824 | 0.0306 |
| 0.75 | 102 | 0.2598 | 0.2483 | 0.0304 |
| 0.75 | 114 | -0.1637 | 0.185 | 0.0302 |
| 0.75 | 126 | 0.2523 | 0.1686 | 0.0304 |
| 0.75 | 138 | -0.0672 | 0.1548 | 0.03 |
| 0.75 | 150 | 0.3452 | 0.2083 | 0.0308 |
| 0.75 | 162 | 0.0163 | 0.2739 | 0.03 |
| 0.75 | 198 | -0.1913 | 0.201 | 0.0302 |
| 0.75 | 210 | 0.2259 | 0.1632 | 0.0303 |
| 0.75 | 222 | 0.1023 | 0.1601 | 0.0301 |
| 0.75 | 234 | 0.2852 | 0.1628 | 0.0305 |
| 0.75 | 246 | -0.2067 | 0.2004 | 0.0303 |
| 0.75 | 270 | -0.0934 | 0.1864 | 0.0301 |
| 0.75 | 282 | -0.3068 | 0.1506 | 0.0306 |
| 0.75 | 294 | 0.0481 | 0.1964 | 0.03 |
| 0.85 | 102 | -0.3693 | 0.2024 | 0.0309 |
| 0.85 | 114 | -0.2002 | 0.1917 | 0.0303 |
| 0.85 | 126 | 0.3024 | 0.2104 | 0.0306 |
| 0.85 | 138 | 0.3796 | 0.2566 | 0.0309 |
| 0.85 | 198 | -0.2556 | 0.1864 | 0.0304 |
| 0.85 | 210 | 0.1004 | 0.1749 | 0.0301 |
| 0.85 | 222 | -0.1501 | 0.1594 | 0.0301 |
| 0.85 | 234 | 0.129 | 0.1596 | 0.0301 |
| 0.85 | 246 | -0.2793 | 0.1918 | 0.0305 |
| 0.95 | 222 | 0.1606 | 0.2544 | 0.0302 |
| 0.95 | 234 | 0.069 | 0.2466 | 0.03 |