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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 : | 1415 GeV | |
| ε : | 0.9185 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1609 |
|
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 | 30 | -0.0316 | 0.274 | 0.03 |
| 0.15 | 66 | 0.0091 | 0.2343 | 0.03 |
| 0.15 | 306 | 0.2607 | 0.2531 | 0.0304 |
| 0.25 | 18 | -0.0464 | 0.2479 | 0.03 |
| 0.25 | 54 | -0.0828 | 0.2592 | 0.03 |
| 0.25 | 66 | -0.0933 | 0.1627 | 0.0301 |
| 0.25 | 78 | 0.1864 | 0.2024 | 0.0302 |
| 0.25 | 282 | 0.2015 | 0.2492 | 0.0303 |
| 0.25 | 294 | -0.5354 | 0.1712 | 0.0319 |
| 0.25 | 306 | 0.3451 | 0.1981 | 0.0308 |
| 0.35 | 54 | -0.2108 | 0.2852 | 0.0303 |
| 0.35 | 66 | -0.1664 | 0.1514 | 0.0302 |
| 0.35 | 78 | 0.2431 | 0.1567 | 0.0304 |
| 0.35 | 90 | 0.2082 | 0.2554 | 0.0303 |
| 0.35 | 282 | -0.2169 | 0.1589 | 0.0303 |
| 0.35 | 294 | -0.0651 | 0.1519 | 0.03 |
| 0.35 | 306 | -0.1731 | 0.2151 | 0.0302 |
| 0.45 | 66 | -0.3039 | 0.1661 | 0.0306 |
| 0.45 | 78 | 0.2176 | 0.125 | 0.0303 |
| 0.45 | 90 | 0.1118 | 0.1761 | 0.0301 |
| 0.45 | 102 | 0.1036 | 0.2765 | 0.0301 |
| 0.45 | 270 | -0.0428 | 0.1668 | 0.03 |
| 0.45 | 282 | -0.1442 | 0.1377 | 0.0301 |
| 0.45 | 294 | -0.0327 | 0.1508 | 0.03 |
| 0.45 | 306 | 0.0248 | 0.2066 | 0.03 |
| 0.55 | 66 | -0.0044 | 0.2031 | 0.03 |
| 0.55 | 78 | -0.0168 | 0.1767 | 0.03 |
| 0.55 | 90 | -0.1947 | 0.1776 | 0.0303 |
| 0.55 | 102 | 0.1972 | 0.186 | 0.0303 |
| 0.55 | 114 | 0.3015 | 0.1947 | 0.0306 |
| 0.55 | 126 | 0.3681 | 0.2191 | 0.0309 |
| 0.55 | 234 | 0.2735 | 0.243 | 0.0305 |
| 0.55 | 246 | -0.068 | 0.2172 | 0.03 |
| 0.55 | 258 | -0.1109 | 0.2093 | 0.0301 |
| 0.55 | 270 | 0.1324 | 0.1669 | 0.0301 |
| 0.55 | 282 | 0.0006 | 0.1596 | 0.03 |
| 0.55 | 294 | -0.1282 | 0.1793 | 0.0301 |
| 0.55 | 306 | -0.046 | 0.2536 | 0.03 |
| 0.65 | 66 | -0.2624 | 0.2007 | 0.0305 |
| 0.65 | 78 | -0.2592 | 0.1894 | 0.0304 |
| 0.65 | 90 | 0.297 | 0.2061 | 0.0306 |
| 0.65 | 102 | 0.1378 | 0.1846 | 0.0301 |
| 0.65 | 114 | -0.1411 | 0.1446 | 0.0301 |
| 0.65 | 126 | 0.1525 | 0.1549 | 0.0302 |
| 0.65 | 138 | 0.1127 | 0.192 | 0.0301 |
| 0.65 | 210 | 0.3038 | 0.2353 | 0.0306 |
| 0.65 | 222 | 0.0196 | 0.1987 | 0.03 |
| 0.65 | 234 | -0.0631 | 0.1644 | 0.03 |
| 0.65 | 246 | -0.0694 | 0.1561 | 0.03 |
| 0.65 | 258 | -0.1512 | 0.1637 | 0.0302 |
| 0.65 | 270 | -0.0628 | 0.1753 | 0.03 |
| 0.65 | 282 | 0.2185 | 0.2175 | 0.0303 |
| 0.65 | 294 | 0.2336 | 0.1882 | 0.0304 |
| 0.65 | 306 | 0.1961 | 0.2054 | 0.0303 |
| 0.75 | 66 | 0.0536 | 0.2465 | 0.03 |
| 0.75 | 78 | 0.0657 | 0.256 | 0.03 |
| 0.75 | 90 | -0.0121 | 0.2152 | 0.03 |
| 0.75 | 102 | -0.1582 | 0.1693 | 0.0302 |
| 0.75 | 114 | -0.1442 | 0.1308 | 0.0301 |
| 0.75 | 126 | -0.1402 | 0.133 | 0.0301 |
| 0.75 | 138 | 0.1671 | 0.1531 | 0.0302 |
| 0.75 | 150 | -0.3398 | 0.1803 | 0.0308 |
| 0.75 | 162 | 0.1685 | 0.2561 | 0.0302 |
| 0.75 | 174 | 0.341 | 0.2506 | 0.0308 |
| 0.75 | 198 | -0.0144 | 0.2404 | 0.03 |
| 0.75 | 210 | -0.068 | 0.1723 | 0.03 |
| 0.75 | 222 | -0.2078 | 0.1475 | 0.0303 |
| 0.75 | 234 | 0.0332 | 0.1188 | 0.03 |
| 0.75 | 246 | -0.3938 | 0.1279 | 0.031 |
| 0.75 | 258 | -0.1285 | 0.175 | 0.0301 |
| 0.75 | 270 | -0.0967 | 0.1914 | 0.0301 |
| 0.75 | 282 | 0.1264 | 0.2649 | 0.0301 |
| 0.75 | 294 | -0.2777 | 0.2298 | 0.0305 |
| 0.85 | 90 | -0.4562 | 0.1921 | 0.0314 |
| 0.85 | 102 | -0.3275 | 0.2097 | 0.0307 |
| 0.85 | 114 | -0.0215 | 0.1634 | 0.03 |
| 0.85 | 126 | -0.1197 | 0.1806 | 0.0301 |
| 0.85 | 138 | 0.1437 | 0.1644 | 0.0301 |
| 0.85 | 150 | -0.0118 | 0.2259 | 0.03 |
| 0.85 | 162 | 0.2011 | 0.251 | 0.0303 |
| 0.85 | 198 | 0.0379 | 0.2515 | 0.03 |
| 0.85 | 210 | 0.2167 | 0.2005 | 0.0303 |
| 0.85 | 222 | -0.3468 | 0.1651 | 0.0308 |
| 0.85 | 234 | -0.0309 | 0.1376 | 0.03 |
| 0.85 | 246 | 0.0725 | 0.1378 | 0.03 |
| 0.85 | 258 | 0.0687 | 0.1515 | 0.03 |
| 0.85 | 270 | 0.2731 | 0.1591 | 0.0305 |
| 0.95 | 102 | 0.2288 | 0.2216 | 0.0303 |
| 0.95 | 114 | -0.0678 | 0.2515 | 0.03 |
| 0.95 | 210 | -0.0511 | 0.2753 | 0.03 |
| 0.95 | 222 | -0.1837 | 0.2033 | 0.0302 |
| 0.95 | 234 | 0.0018 | 0.2042 | 0.03 |
| 0.95 | 246 | -0.1911 | 0.1625 | 0.0302 |
| 0.95 | 258 | 0.0829 | 0.1731 | 0.03 |
| 0.95 | 270 | -0.4559 | 0.2163 | 0.0314 |