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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 : | 1325 GeV | |
| ε : | 0.9476 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2638 |
|
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 | 0.0931 | 0.2845 | 0.0301 |
| 0.15 | 54 | 0.071 | 0.2531 | 0.03 |
| 0.15 | 66 | -0.1189 | 0.2583 | 0.0301 |
| 0.15 | 306 | -0.2219 | 0.1855 | 0.0303 |
| 0.15 | 318 | -0.3601 | 0.2293 | 0.0309 |
| 0.25 | 66 | 0.2075 | 0.2046 | 0.0303 |
| 0.25 | 78 | -0.0299 | 0.1971 | 0.03 |
| 0.25 | 294 | 0.0392 | 0.1743 | 0.03 |
| 0.25 | 306 | 0.0939 | 0.168 | 0.0301 |
| 0.25 | 318 | -0.1189 | 0.2712 | 0.0301 |
| 0.35 | 54 | 0.1876 | 0.2698 | 0.0302 |
| 0.35 | 66 | 0.0347 | 0.1635 | 0.03 |
| 0.35 | 78 | -0.1568 | 0.1635 | 0.0302 |
| 0.35 | 90 | -0.2988 | 0.2336 | 0.0306 |
| 0.35 | 282 | 0.1734 | 0.2136 | 0.0302 |
| 0.35 | 294 | -0.1289 | 0.1561 | 0.0301 |
| 0.35 | 306 | 0.1643 | 0.1642 | 0.0302 |
| 0.45 | 66 | -0.1882 | 0.1309 | 0.0302 |
| 0.45 | 78 | 0.0388 | 0.1261 | 0.03 |
| 0.45 | 90 | -0.0798 | 0.1547 | 0.03 |
| 0.45 | 270 | -0.0163 | 0.2621 | 0.03 |
| 0.45 | 282 | -0.134 | 0.1549 | 0.0301 |
| 0.45 | 294 | -0.1678 | 0.1548 | 0.0302 |
| 0.45 | 306 | 0.0926 | 0.2415 | 0.0301 |
| 0.55 | 66 | 0.0624 | 0.2095 | 0.03 |
| 0.55 | 78 | 0.2496 | 0.1388 | 0.0304 |
| 0.55 | 90 | 0.0358 | 0.1728 | 0.03 |
| 0.55 | 102 | 0.2458 | 0.2603 | 0.0304 |
| 0.55 | 246 | -0.1679 | 0.2745 | 0.0302 |
| 0.55 | 258 | 0.1779 | 0.1974 | 0.0302 |
| 0.55 | 270 | -0.035 | 0.1755 | 0.03 |
| 0.55 | 282 | 0.143 | 0.158 | 0.0301 |
| 0.55 | 294 | -0.1218 | 0.1898 | 0.0301 |
| 0.65 | 66 | -0.2306 | 0.2355 | 0.0304 |
| 0.65 | 78 | 0.0273 | 0.1809 | 0.03 |
| 0.65 | 90 | 0.132 | 0.1824 | 0.0301 |
| 0.65 | 102 | 0.4401 | 0.1759 | 0.0313 |
| 0.65 | 114 | -0.362 | 0.177 | 0.0309 |
| 0.65 | 126 | -0.1152 | 0.1953 | 0.0301 |
| 0.65 | 234 | -0.3554 | 0.1721 | 0.0308 |
| 0.65 | 246 | -0.2169 | 0.1517 | 0.0303 |
| 0.65 | 258 | 0.0785 | 0.1369 | 0.03 |
| 0.65 | 270 | -0.097 | 0.1701 | 0.0301 |
| 0.65 | 282 | 0.1391 | 0.197 | 0.0301 |
| 0.75 | 90 | 0.1848 | 0.1794 | 0.0302 |
| 0.75 | 102 | 0.107 | 0.1633 | 0.0301 |
| 0.75 | 114 | 0.0716 | 0.1594 | 0.03 |
| 0.75 | 126 | -0.1056 | 0.1508 | 0.0301 |
| 0.75 | 138 | -0.0486 | 0.1409 | 0.03 |
| 0.75 | 150 | 0.3021 | 0.2028 | 0.0306 |
| 0.75 | 210 | 0.1761 | 0.2492 | 0.0302 |
| 0.75 | 222 | 0.1969 | 0.1784 | 0.0303 |
| 0.75 | 234 | -0.0317 | 0.1453 | 0.03 |
| 0.75 | 246 | -0.2176 | 0.12 | 0.0303 |
| 0.75 | 258 | 0.0531 | 0.1354 | 0.03 |
| 0.75 | 270 | -0.17 | 0.14 | 0.0302 |
| 0.75 | 282 | -0.2726 | 0.185 | 0.0305 |
| 0.85 | 102 | -0.1064 | 0.1591 | 0.0301 |
| 0.85 | 114 | -0.0132 | 0.1301 | 0.03 |
| 0.85 | 126 | 0.114 | 0.1377 | 0.0301 |
| 0.85 | 138 | 0.0562 | 0.1404 | 0.03 |
| 0.85 | 150 | 0.5758 | 0.1376 | 0.0321 |
| 0.85 | 162 | -0.0126 | 0.1799 | 0.03 |
| 0.85 | 174 | -0.3276 | 0.1959 | 0.0307 |
| 0.85 | 198 | 0.5999 | 0.2487 | 0.0323 |
| 0.85 | 210 | 0.0415 | 0.2123 | 0.03 |
| 0.85 | 222 | -0.2335 | 0.1664 | 0.0304 |
| 0.85 | 234 | -0.0573 | 0.1362 | 0.03 |
| 0.85 | 246 | -0.1602 | 0.1287 | 0.0302 |
| 0.85 | 258 | -0.2005 | 0.1196 | 0.0303 |
| 0.85 | 270 | 0.0737 | 0.1421 | 0.03 |
| 0.85 | 282 | 0.1828 | 0.2157 | 0.0302 |
| 0.95 | 126 | 0.0145 | 0.2209 | 0.03 |
| 0.95 | 138 | -0.0877 | 0.2017 | 0.0301 |
| 0.95 | 150 | 0.0254 | 0.2288 | 0.03 |
| 0.95 | 162 | -0.0949 | 0.266 | 0.0301 |
| 0.95 | 174 | -0.1526 | 0.258 | 0.0302 |
| 0.95 | 198 | 0.4901 | 0.2442 | 0.0316 |
| 0.95 | 210 | 0.1722 | 0.2215 | 0.0302 |
| 0.95 | 222 | -0.0778 | 0.2327 | 0.03 |
| 0.95 | 234 | 0.057 | 0.1942 | 0.03 |
| 0.95 | 246 | -0.1387 | 0.1703 | 0.0301 |
| 0.95 | 258 | -0.0134 | 0.2008 | 0.03 |
| 0.95 | 270 | -0.4164 | 0.2052 | 0.0311 |