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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 : | 0.0593 GeV2 | |
|---|---|---|
| W : | 1505 GeV | |
| ε : | 0.9115 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.0912 |
|
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 | 54 | 0.3546 | 0.2424 | 0.0308 |
| 0.25 | 66 | 0.1112 | 0.1568 | 0.0301 |
| 0.25 | 78 | 0.1266 | 0.1531 | 0.0301 |
| 0.25 | 282 | 0.1058 | 0.1761 | 0.0304 |
| 0.25 | 294 | -0.186 | 0.1408 | 0.0304 |
| 0.35 | 54 | -0.0891 | 0.2474 | 0.0301 |
| 0.35 | 66 | 0.0081 | 0.1225 | 0.03 |
| 0.35 | 78 | 0.0216 | 0.1344 | 0.03 |
| 0.35 | 90 | 0.5462 | 0.2028 | 0.0319 |
| 0.35 | 270 | 0.1111 | 0.1447 | 0.0301 |
| 0.35 | 282 | 0.1469 | 0.1208 | 0.0302 |
| 0.35 | 294 | -0.0048 | 0.1328 | 0.0302 |
| 0.45 | 66 | -0.0167 | 0.1287 | 0.0301 |
| 0.45 | 78 | 0.0612 | 0.1101 | 0.03 |
| 0.45 | 90 | 0.1422 | 0.1477 | 0.0302 |
| 0.45 | 102 | 0.2501 | 0.1598 | 0.0305 |
| 0.45 | 114 | -0.0113 | 0.1727 | 0.03 |
| 0.45 | 126 | 0.4004 | 0.17 | 0.0311 |
| 0.45 | 258 | 0.0762 | 0.1552 | 0.0301 |
| 0.45 | 270 | 0.0857 | 0.1212 | 0.0301 |
| 0.45 | 282 | 0.0584 | 0.1133 | 0.0301 |
| 0.45 | 294 | -0.1372 | 0.1303 | 0.0301 |
| 0.55 | 66 | -0.1347 | 0.1642 | 0.0301 |
| 0.55 | 78 | -0.3216 | 0.1291 | 0.0307 |
| 0.55 | 90 | 0.101 | 0.1513 | 0.0301 |
| 0.55 | 102 | 0.3847 | 0.2067 | 0.031 |
| 0.55 | 114 | 0.1401 | 0.1274 | 0.0303 |
| 0.55 | 126 | 0.1178 | 0.15 | 0.0301 |
| 0.55 | 138 | -0.095 | 0.1463 | 0.0304 |
| 0.55 | 210 | -0.5324 | 0.2284 | 0.0318 |
| 0.55 | 222 | -0.0627 | 0.1623 | 0.0301 |
| 0.55 | 234 | 0.3463 | 0.1649 | 0.0309 |
| 0.55 | 246 | 0.0757 | 0.1594 | 0.0303 |
| 0.55 | 258 | -0.1383 | 0.1381 | 0.0305 |
| 0.55 | 270 | -0.0411 | 0.1171 | 0.03 |
| 0.55 | 282 | 0.0763 | 0.1052 | 0.0302 |
| 0.55 | 294 | 0.0082 | 0.1729 | 0.03 |
| 0.65 | 66 | -0.1043 | 0.1357 | 0.0304 |
| 0.65 | 78 | -0.0475 | 0.1522 | 0.03 |
| 0.65 | 90 | 0.3754 | 0.1485 | 0.0309 |
| 0.65 | 102 | 0.0002 | 0.1313 | 0.0304 |
| 0.65 | 114 | 0.0252 | 0.1176 | 0.03 |
| 0.65 | 126 | -0.0573 | 0.1153 | 0.03 |
| 0.65 | 138 | -0.0051 | 0.1197 | 0.03 |
| 0.65 | 150 | 0.1248 | 0.2506 | 0.0301 |
| 0.65 | 198 | -0.129 | 0.2329 | 0.0301 |
| 0.65 | 210 | -0.1177 | 0.15 | 0.0301 |
| 0.65 | 222 | 0.3069 | 0.116 | 0.0306 |
| 0.65 | 234 | -0.0591 | 0.1284 | 0.03 |
| 0.65 | 246 | -0.1438 | 0.1516 | 0.0301 |
| 0.65 | 258 | -0.0511 | 0.122 | 0.0301 |
| 0.65 | 270 | 0.1647 | 0.1338 | 0.0303 |
| 0.65 | 282 | -0.1127 | 0.157 | 0.0301 |
| 0.65 | 294 | 0.0878 | 0.1472 | 0.0303 |
| 0.75 | 66 | 0.5634 | 0.221 | 0.032 |
| 0.75 | 114 | -0.1018 | 0.2182 | 0.0301 |
| 0.75 | 126 | 0.0752 | 0.1534 | 0.03 |
| 0.75 | 138 | -0.2158 | 0.1981 | 0.0303 |
| 0.75 | 198 | 0.0984 | 0.2277 | 0.0301 |
| 0.75 | 210 | 0.0625 | 0.2236 | 0.03 |
| 0.75 | 222 | -0.2544 | 0.1666 | 0.0304 |
| 0.75 | 234 | -0.0055 | 0.154 | 0.03 |
| 0.75 | 246 | 0.1764 | 0.2089 | 0.0302 |
| 0.75 | 270 | -0.3347 | 0.2274 | 0.0307 |
| 0.75 | 282 | 0.0434 | 0.1869 | 0.03 |
| 0.75 | 294 | -0.0353 | 0.2453 | 0.03 |
| 0.85 | 90 | -0.3728 | 0.2253 | 0.0309 |
| 0.85 | 102 | -0.0175 | 0.1878 | 0.03 |
| 0.85 | 114 | -0.2502 | 0.2077 | 0.0304 |
| 0.85 | 138 | 0.1048 | 0.2658 | 0.0301 |
| 0.85 | 198 | -0.1701 | 0.2172 | 0.0302 |
| 0.85 | 210 | -0.0352 | 0.2058 | 0.03 |
| 0.85 | 222 | 0.1309 | 0.1699 | 0.0301 |
| 0.85 | 234 | 0.0038 | 0.1696 | 0.03 |
| 0.85 | 246 | -0.1075 | 0.2039 | 0.0301 |
| 0.85 | 258 | 0.331 | 0.2362 | 0.0307 |
| 0.85 | 270 | -0.2352 | 0.2174 | 0.0304 |
| 0.95 | 222 | -0.3517 | 0.2249 | 0.0308 |
| 0.95 | 234 | 0.0005 | 0.234 | 0.03 |
| 0.95 | 246 | 0.0045 | 0.241 | 0.03 |
| 0.65 | 306 | 0.3663 | 0.198 | 0.0309 |
| 0.75 | 66 | 0.1088 | 0.2381 | 0.0301 |
| 0.75 | 78 | 0.0547 | 0.2407 | 0.03 |
| 0.75 | 102 | 0.4154 | 0.2422 | 0.0311 |
| 0.75 | 114 | -0.1393 | 0.1463 | 0.0301 |
| 0.75 | 126 | 0.1945 | 0.1898 | 0.0303 |
| 0.75 | 138 | -0.0599 | 0.1917 | 0.03 |
| 0.75 | 150 | 0.1339 | 0.2011 | 0.0301 |
| 0.75 | 198 | -0.129 | 0.1816 | 0.0301 |
| 0.75 | 210 | -0.1596 | 0.2163 | 0.0302 |
| 0.75 | 222 | 0.0243 | 0.1517 | 0.03 |
| 0.75 | 234 | 0.1479 | 0.1693 | 0.0301 |
| 0.75 | 246 | 0.1151 | 0.1895 | 0.0301 |
| 0.75 | 258 | 0.2468 | 0.2053 | 0.0304 |
| 0.75 | 270 | 0.386 | 0.2116 | 0.031 |
| 0.75 | 282 | -0.0056 | 0.1662 | 0.03 |
| 0.75 | 294 | -0.0017 | 0.1914 | 0.03 |
| 0.85 | 90 | -0.276 | 0.1974 | 0.0305 |
| 0.85 | 102 | -0.1485 | 0.1701 | 0.0301 |
| 0.85 | 114 | 0.2635 | 0.2081 | 0.0305 |
| 0.85 | 126 | 0.3352 | 0.2105 | 0.0307 |
| 0.85 | 186 | -0.4567 | 0.2305 | 0.0314 |
| 0.85 | 198 | 0.4662 | 0.2126 | 0.0314 |
| 0.85 | 210 | 0.0704 | 0.1822 | 0.03 |
| 0.85 | 222 | 0.1628 | 0.159 | 0.0302 |
| 0.85 | 234 | 0.1346 | 0.1587 | 0.0301 |
| 0.85 | 246 | 0.1959 | 0.201 | 0.0303 |
| 0.85 | 258 | 0.4902 | 0.2076 | 0.0316 |
| 0.85 | 270 | -0.0959 | 0.2523 | 0.0301 |
| 0.95 | 114 | 0.2158 | 0.2441 | 0.0303 |
| 0.95 | 210 | -0.0115 | 0.2406 | 0.03 |
| 0.95 | 222 | -0.6204 | 0.2028 | 0.0325 |
| 0.95 | 234 | -0.1857 | 0.1896 | 0.0302 |
| 0.95 | 246 | 0.0686 | 0.2223 | 0.03 |