You are not logged in.
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 : | 0.205 GeV2 | |
|---|---|---|
| W : | 1415 GeV | |
| ε : | 0.9509 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.3899 |
|
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 | 66 | 0.0622 | 0.2139 | 0.03 |
| 0.05 | 306 | -0.2822 | 0.2322 | 0.0305 |
| 0.15 | 54 | -0.0246 | 0.2006 | 0.03 |
| 0.15 | 66 | 0.0758 | 0.1781 | 0.03 |
| 0.15 | 78 | -0.2922 | 0.2558 | 0.0306 |
| 0.15 | 294 | -0.1402 | 0.1869 | 0.0301 |
| 0.15 | 306 | 0.2258 | 0.2037 | 0.0303 |
| 0.25 | 54 | -0.1019 | 0.2425 | 0.0301 |
| 0.25 | 66 | 0.2506 | 0.1641 | 0.0304 |
| 0.25 | 78 | 0.2144 | 0.2019 | 0.0303 |
| 0.25 | 282 | -0.1928 | 0.1989 | 0.0302 |
| 0.25 | 294 | -0.3192 | 0.1607 | 0.0307 |
| 0.25 | 306 | -0.339 | 0.1618 | 0.0308 |
| 0.35 | 54 | -0.1061 | 0.2734 | 0.0301 |
| 0.35 | 66 | -0.0638 | 0.1693 | 0.03 |
| 0.35 | 78 | 0.0451 | 0.2018 | 0.03 |
| 0.35 | 282 | 0.2776 | 0.1628 | 0.0305 |
| 0.35 | 294 | 0.025 | 0.1696 | 0.03 |
| 0.35 | 306 | 0.1824 | 0.2039 | 0.0302 |
| 0.45 | 54 | -0.1468 | 0.202 | 0.0301 |
| 0.45 | 66 | 0.0674 | 0.2044 | 0.03 |
| 0.45 | 78 | 0.0448 | 0.2112 | 0.03 |
| 0.45 | 90 | 0.2576 | 0.2409 | 0.0304 |
| 0.45 | 102 | -0.0035 | 0.2675 | 0.03 |
| 0.45 | 270 | -0.2856 | 0.2169 | 0.0305 |
| 0.45 | 282 | 0.0972 | 0.1953 | 0.0301 |
| 0.45 | 294 | 0.1002 | 0.1571 | 0.0301 |
| 0.55 | 54 | 0.0016 | 0.26 | 0.03 |
| 0.55 | 66 | -0.118 | 0.2147 | 0.0301 |
| 0.55 | 78 | 0.1362 | 0.2393 | 0.0301 |
| 0.55 | 90 | -0.0103 | 0.165 | 0.03 |
| 0.55 | 102 | 0.1985 | 0.1557 | 0.0303 |
| 0.55 | 114 | -0.4006 | 0.1776 | 0.0311 |
| 0.55 | 258 | 0.2498 | 0.2513 | 0.0304 |
| 0.55 | 270 | -0.0295 | 0.2145 | 0.03 |
| 0.55 | 282 | 0.1004 | 0.1715 | 0.0301 |
| 0.55 | 294 | -0.0394 | 0.2209 | 0.03 |
| 0.55 | 306 | 0.3384 | 0.1749 | 0.0308 |
| 0.65 | 66 | 0.1828 | 0.2596 | 0.0302 |
| 0.65 | 78 | -0.0196 | 0.1634 | 0.03 |
| 0.65 | 90 | -0.0687 | 0.1154 | 0.03 |
| 0.65 | 102 | 0.1236 | 0.1323 | 0.0301 |
| 0.65 | 114 | 0.1362 | 0.1324 | 0.0301 |
| 0.65 | 126 | 0.4128 | 0.1554 | 0.0311 |
| 0.65 | 234 | 0.1687 | 0.2725 | 0.0302 |
| 0.65 | 246 | -0.1342 | 0.1582 | 0.0301 |
| 0.65 | 258 | 0.036 | 0.1608 | 0.03 |
| 0.65 | 270 | -0.0866 | 0.1645 | 0.03 |
| 0.65 | 282 | 0.1164 | 0.1781 | 0.0301 |
| 0.65 | 294 | -0.1981 | 0.2727 | 0.0303 |
| 0.65 | 306 | -0.1706 | 0.2286 | 0.0302 |
| 0.75 | 54 | -0.3576 | 0.2547 | 0.0308 |
| 0.75 | 66 | 0.1163 | 0.1956 | 0.0301 |
| 0.75 | 78 | 0.1442 | 0.1274 | 0.0301 |
| 0.75 | 90 | -0.0879 | 0.1068 | 0.0301 |
| 0.75 | 102 | 0.1151 | 0.1156 | 0.0301 |
| 0.75 | 114 | 0.2262 | 0.1381 | 0.0303 |
| 0.75 | 126 | 0.1964 | 0.138 | 0.0303 |
| 0.75 | 138 | -0.1774 | 0.2079 | 0.0302 |
| 0.75 | 210 | 0.0437 | 0.2549 | 0.03 |
| 0.75 | 222 | 0.0095 | 0.1591 | 0.03 |
| 0.75 | 234 | -0.1206 | 0.1526 | 0.0301 |
| 0.75 | 246 | -0.079 | 0.1274 | 0.03 |
| 0.75 | 258 | 0.001 | 0.132 | 0.03 |
| 0.75 | 270 | 0.2374 | 0.1314 | 0.0304 |
| 0.75 | 282 | -0.0652 | 0.1593 | 0.03 |
| 0.75 | 294 | 0.2203 | 0.2181 | 0.0303 |
| 0.85 | 54 | -0.1581 | 0.1947 | 0.0302 |
| 0.85 | 66 | 0.0541 | 0.1442 | 0.03 |
| 0.85 | 78 | 0.1334 | 0.2296 | 0.0301 |
| 0.85 | 90 | -0.0373 | 0.1303 | 0.03 |
| 0.85 | 102 | 0.0179 | 0.1187 | 0.03 |
| 0.85 | 114 | -0.158 | 0.1249 | 0.0302 |
| 0.85 | 126 | 0.231 | 0.1257 | 0.0304 |
| 0.85 | 138 | 0.065 | 0.1916 | 0.03 |
| 0.85 | 150 | 0.3663 | 0.2261 | 0.0309 |
| 0.85 | 174 | 0.1935 | 0.2645 | 0.0302 |
| 0.85 | 186 | 0.0832 | 0.2554 | 0.03 |
| 0.85 | 198 | 0.0394 | 0.1805 | 0.03 |
| 0.85 | 210 | -0.337 | 0.1701 | 0.0307 |
| 0.85 | 222 | 0.0266 | 0.1532 | 0.03 |
| 0.85 | 234 | 0.1064 | 0.123 | 0.0301 |
| 0.85 | 246 | 0.0007 | 0.117 | 0.03 |
| 0.85 | 258 | -0.073 | 0.1018 | 0.03 |
| 0.85 | 270 | 0.0117 | 0.1107 | 0.03 |
| 0.85 | 282 | 0.0937 | 0.1316 | 0.0301 |
| 0.85 | 294 | -0.0071 | 0.1515 | 0.03 |
| 0.85 | 306 | -0.4769 | 0.1634 | 0.0315 |
| 0.95 | 54 | -0.1311 | 0.2617 | 0.0301 |
| 0.95 | 66 | -0.3211 | 0.1682 | 0.0307 |
| 0.95 | 90 | -0.0163 | 0.2358 | 0.03 |
| 0.95 | 102 | -0.2319 | 0.1795 | 0.0304 |
| 0.95 | 114 | 0.1937 | 0.158 | 0.0302 |
| 0.95 | 126 | 0.201 | 0.1777 | 0.0303 |
| 0.95 | 138 | -0.3677 | 0.1825 | 0.0309 |
| 0.95 | 150 | -0.028 | 0.2587 | 0.03 |
| 0.95 | 162 | 0.1997 | 0.243 | 0.0303 |
| 0.95 | 174 | 0.1178 | 0.2308 | 0.0301 |
| 0.95 | 186 | 0.4022 | 0.1778 | 0.0311 |
| 0.95 | 198 | -0.1469 | 0.2279 | 0.0301 |
| 0.95 | 210 | -0.0189 | 0.1837 | 0.03 |
| 0.95 | 222 | -0.042 | 0.1591 | 0.03 |
| 0.95 | 234 | 0.1525 | 0.1496 | 0.0302 |
| 0.95 | 246 | 0.0074 | 0.1393 | 0.03 |
| 0.95 | 258 | 0.1536 | 0.1266 | 0.0302 |
| 0.95 | 270 | -0.0472 | 0.1304 | 0.03 |
| 0.95 | 282 | -0.1205 | 0.1275 | 0.0301 |
| 0.95 | 294 | -0.0524 | 0.1243 | 0.03 |
| 0.95 | 306 | -0.0608 | 0.153 | 0.03 |
| 0.95 | 318 | -0.1294 | 0.206 | 0.0301 |
| 0.95 | 330 | -0.1115 | 0.2804 | 0.0301 |