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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 : | 0.1435 GeV2 | |
|---|---|---|
| W : | 1595 GeV | |
| ε : | 0.919 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1422 |
|
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 | 18 | 0.5215 | 0.2273 | 0.0318 |
| 0.25 | 54 | -0.0618 | 0.2681 | 0.03 |
| 0.25 | 66 | 0.0582 | 0.1921 | 0.03 |
| 0.25 | 78 | 0.1666 | 0.244 | 0.0302 |
| 0.25 | 270 | 0.0565 | 0.2723 | 0.03 |
| 0.25 | 282 | -0.3055 | 0.2106 | 0.0306 |
| 0.25 | 294 | 0.3494 | 0.2417 | 0.0308 |
| 0.35 | 66 | 0.092 | 0.1941 | 0.0301 |
| 0.35 | 78 | 0.1152 | 0.2056 | 0.0301 |
| 0.35 | 102 | -0.106 | 0.2615 | 0.0301 |
| 0.35 | 270 | 0.1161 | 0.1905 | 0.0301 |
| 0.35 | 282 | 0.1794 | 0.1835 | 0.0302 |
| 0.35 | 294 | -0.0845 | 0.1976 | 0.03 |
| 0.45 | 54 | -0.1849 | 0.2775 | 0.0302 |
| 0.45 | 66 | 0.2578 | 0.2066 | 0.0304 |
| 0.45 | 78 | 0.414 | 0.1923 | 0.0311 |
| 0.45 | 90 | 0.1131 | 0.2388 | 0.0301 |
| 0.45 | 102 | -0.1271 | 0.209 | 0.0301 |
| 0.45 | 114 | 0.1065 | 0.1758 | 0.0301 |
| 0.45 | 126 | 0.0248 | 0.2397 | 0.03 |
| 0.45 | 258 | -0.1776 | 0.2557 | 0.0302 |
| 0.45 | 270 | -0.2018 | 0.1665 | 0.0303 |
| 0.45 | 282 | 0.2165 | 0.1536 | 0.0303 |
| 0.45 | 294 | -0.074 | 0.166 | 0.03 |
| 0.55 | 54 | -0.0269 | 0.2546 | 0.03 |
| 0.55 | 66 | -0.1237 | 0.2202 | 0.0301 |
| 0.55 | 78 | -0.4423 | 0.2338 | 0.0313 |
| 0.55 | 90 | -0.0962 | 0.233 | 0.0301 |
| 0.55 | 102 | 0.0077 | 0.1746 | 0.03 |
| 0.55 | 114 | 0.0211 | 0.1524 | 0.03 |
| 0.55 | 126 | -0.0751 | 0.1616 | 0.03 |
| 0.55 | 138 | -0.3375 | 0.1995 | 0.0307 |
| 0.55 | 198 | 0.2544 | 0.2383 | 0.0304 |
| 0.55 | 210 | -0.3257 | 0.2139 | 0.0307 |
| 0.55 | 222 | 0.0793 | 0.2094 | 0.03 |
| 0.55 | 234 | -0.4512 | 0.1925 | 0.0313 |
| 0.55 | 246 | 0.1936 | 0.2077 | 0.0302 |
| 0.55 | 258 | -0.0869 | 0.1896 | 0.0301 |
| 0.55 | 270 | 0.16 | 0.1641 | 0.0302 |
| 0.55 | 282 | 0.2383 | 0.1536 | 0.0304 |
| 0.55 | 306 | -0.0962 | 0.2048 | 0.0301 |
| 0.65 | 54 | 0.0208 | 0.2026 | 0.03 |
| 0.65 | 66 | 0.0705 | 0.2339 | 0.03 |
| 0.65 | 78 | -0.0518 | 0.2459 | 0.03 |
| 0.65 | 90 | 0.0399 | 0.1735 | 0.03 |
| 0.65 | 102 | 0.0417 | 0.1268 | 0.03 |
| 0.65 | 114 | -0.0858 | 0.1233 | 0.03 |
| 0.65 | 126 | -0.0616 | 0.1493 | 0.03 |
| 0.65 | 138 | -0.0678 | 0.1628 | 0.03 |
| 0.65 | 150 | 0.1145 | 0.2215 | 0.0301 |
| 0.65 | 186 | -0.1714 | 0.2019 | 0.0302 |
| 0.65 | 198 | -0.0056 | 0.2023 | 0.03 |
| 0.65 | 210 | 0.0711 | 0.1772 | 0.03 |
| 0.65 | 222 | -0.0702 | 0.1419 | 0.03 |
| 0.65 | 234 | -0.0809 | 0.1476 | 0.03 |
| 0.65 | 246 | -0.2426 | 0.1818 | 0.0304 |
| 0.65 | 258 | -0.1983 | 0.1868 | 0.0303 |
| 0.65 | 270 | -0.3803 | 0.1831 | 0.0309 |
| 0.65 | 282 | 0.2004 | 0.2047 | 0.0303 |
| 0.65 | 294 | 0.1993 | 0.1499 | 0.0303 |
| 0.65 | 306 | 0.0675 | 0.1747 | 0.03 |
| 0.75 | 66 | -0.0514 | 0.2302 | 0.03 |
| 0.75 | 78 | 0.0917 | 0.1861 | 0.0301 |
| 0.75 | 90 | 0.077 | 0.1777 | 0.03 |
| 0.75 | 102 | -0.0338 | 0.1465 | 0.03 |
| 0.75 | 114 | -0.1825 | 0.1227 | 0.0302 |
| 0.75 | 126 | -0.2099 | 0.1299 | 0.0303 |
| 0.75 | 138 | 0.0923 | 0.1908 | 0.0301 |
| 0.75 | 150 | 0.2295 | 0.1842 | 0.0303 |
| 0.75 | 162 | -0.0102 | 0.2679 | 0.03 |
| 0.75 | 174 | -0.1206 | 0.2158 | 0.0301 |
| 0.75 | 186 | -0.0176 | 0.2039 | 0.03 |
| 0.75 | 198 | -0.1923 | 0.1571 | 0.0302 |
| 0.75 | 210 | 0.0714 | 0.1383 | 0.03 |
| 0.75 | 222 | -0.1059 | 0.1262 | 0.0301 |
| 0.75 | 234 | -0.1962 | 0.1287 | 0.0303 |
| 0.75 | 246 | 0.1046 | 0.14 | 0.0301 |
| 0.75 | 258 | -0.0421 | 0.1764 | 0.03 |
| 0.75 | 270 | 0.3186 | 0.2102 | 0.0307 |
| 0.75 | 282 | -0.2274 | 0.1416 | 0.0303 |
| 0.75 | 294 | 0.0242 | 0.1441 | 0.03 |
| 0.75 | 306 | -0.1715 | 0.2291 | 0.0302 |
| 0.85 | 78 | -0.1831 | 0.126 | 0.0302 |
| 0.85 | 90 | 0.0696 | 0.1168 | 0.03 |
| 0.85 | 102 | 0.087 | 0.1467 | 0.0301 |
| 0.85 | 114 | 0.183 | 0.1839 | 0.0302 |
| 0.85 | 126 | 0.0123 | 0.1775 | 0.03 |
| 0.85 | 138 | 0.2901 | 0.1664 | 0.0306 |
| 0.85 | 150 | -0.2147 | 0.1965 | 0.0303 |
| 0.85 | 162 | 0.192 | 0.2533 | 0.0302 |
| 0.85 | 174 | -0.0397 | 0.2344 | 0.03 |
| 0.85 | 186 | -0.0565 | 0.1967 | 0.03 |
| 0.85 | 198 | -0.116 | 0.1431 | 0.0301 |
| 0.85 | 210 | 0.0731 | 0.1352 | 0.03 |
| 0.85 | 222 | -0.0563 | 0.1213 | 0.03 |
| 0.85 | 234 | -0.053 | 0.1127 | 0.03 |
| 0.85 | 246 | 0.0081 | 0.1247 | 0.03 |
| 0.85 | 258 | -0.0807 | 0.1295 | 0.03 |
| 0.85 | 270 | 0.0477 | 0.1638 | 0.03 |
| 0.85 | 282 | 0.2291 | 0.1937 | 0.0303 |
| 0.95 | 78 | 0.1236 | 0.1879 | 0.0301 |
| 0.95 | 90 | -0.0056 | 0.1685 | 0.03 |
| 0.95 | 102 | -0.0879 | 0.1846 | 0.0301 |
| 0.95 | 114 | 0.3331 | 0.2093 | 0.0307 |
| 0.95 | 126 | 0.1231 | 0.245 | 0.0301 |
| 0.95 | 150 | -0.1374 | 0.2567 | 0.0301 |
| 0.95 | 162 | 0.3184 | 0.2042 | 0.0307 |
| 0.95 | 174 | 0.026 | 0.2339 | 0.03 |
| 0.95 | 186 | -0.3326 | 0.2245 | 0.0307 |
| 0.95 | 198 | -0.2251 | 0.1916 | 0.0303 |
| 0.95 | 210 | -0.0268 | 0.1558 | 0.03 |
| 0.95 | 222 | 0.0218 | 0.1587 | 0.03 |
| 0.95 | 234 | 0.322 | 0.1327 | 0.0307 |
| 0.95 | 246 | -0.1633 | 0.1366 | 0.0302 |
| 0.95 | 258 | -0.0057 | 0.1294 | 0.03 |
| 0.95 | 270 | 0.0119 | 0.1408 | 0.03 |
| 0.95 | 282 | -0.2041 | 0.186 | 0.0303 |