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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 : | 0.0496 GeV2 | |
|---|---|---|
| W : | 1295 GeV | |
| ε : | 0.9601 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.2342 |
|
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 | 294 | -0.5215 | 0.2349 | 0.0318 |
| 0.15 | 306 | 0.2009 | 0.1881 | 0.0303 |
| 0.15 | 318 | -0.0618 | 0.2494 | 0.03 |
| 0.25 | 66 | -0.0928 | 0.2169 | 0.0301 |
| 0.25 | 78 | 0.3973 | 0.243 | 0.031 |
| 0.25 | 294 | 0.0185 | 0.185 | 0.03 |
| 0.25 | 306 | -0.2798 | 0.1434 | 0.0305 |
| 0.25 | 318 | 0.2584 | 0.2394 | 0.0304 |
| 0.35 | 66 | 0.035 | 0.1551 | 0.03 |
| 0.35 | 78 | -0.1368 | 0.1377 | 0.0301 |
| 0.35 | 90 | -0.0291 | 0.2392 | 0.03 |
| 0.35 | 282 | -0.0592 | 0.1923 | 0.03 |
| 0.35 | 294 | 0.086 | 0.1586 | 0.03 |
| 0.35 | 306 | -0.0176 | 0.1589 | 0.03 |
| 0.45 | 66 | 0.2006 | 0.1471 | 0.0303 |
| 0.45 | 78 | -0.0197 | 0.1172 | 0.03 |
| 0.45 | 90 | -0.1605 | 0.1676 | 0.0302 |
| 0.45 | 270 | 0.5712 | 0.2031 | 0.0321 |
| 0.45 | 282 | 0.0727 | 0.164 | 0.03 |
| 0.45 | 294 | -0.1491 | 0.1552 | 0.0301 |
| 0.45 | 306 | 0.0739 | 0.2005 | 0.03 |
| 0.55 | 66 | 0.2325 | 0.1977 | 0.0304 |
| 0.55 | 78 | 0.1455 | 0.1167 | 0.0301 |
| 0.55 | 90 | -0.1119 | 0.1663 | 0.0301 |
| 0.55 | 102 | 0.4309 | 0.225 | 0.0312 |
| 0.55 | 246 | 0.1091 | 0.2425 | 0.0301 |
| 0.55 | 258 | 0.0886 | 0.2034 | 0.0301 |
| 0.55 | 270 | 0.5117 | 0.1794 | 0.0317 |
| 0.55 | 282 | -0.0881 | 0.171 | 0.0301 |
| 0.55 | 294 | -0.0299 | 0.1792 | 0.03 |
| 0.65 | 78 | -0.0631 | 0.1625 | 0.03 |
| 0.65 | 90 | -0.0376 | 0.1679 | 0.03 |
| 0.65 | 102 | 0.2113 | 0.2032 | 0.0303 |
| 0.65 | 114 | 0.1374 | 0.2007 | 0.0301 |
| 0.65 | 126 | 0.112 | 0.2063 | 0.0301 |
| 0.65 | 138 | -0.3036 | 0.252 | 0.0306 |
| 0.65 | 234 | -0.1128 | 0.2039 | 0.0301 |
| 0.65 | 246 | -0.0105 | 0.1589 | 0.03 |
| 0.65 | 258 | 0.0693 | 0.1455 | 0.03 |
| 0.65 | 270 | -0.106 | 0.1519 | 0.0301 |
| 0.65 | 282 | -0.4099 | 0.1919 | 0.0311 |
| 0.75 | 90 | -0.1606 | 0.2436 | 0.0302 |
| 0.75 | 102 | 0.1192 | 0.1722 | 0.0301 |
| 0.75 | 114 | 0.1365 | 0.1458 | 0.0301 |
| 0.75 | 126 | 0.1328 | 0.1342 | 0.0301 |
| 0.75 | 138 | 0.0236 | 0.1461 | 0.03 |
| 0.75 | 150 | -0.1698 | 0.1768 | 0.0302 |
| 0.75 | 162 | -0.3437 | 0.2523 | 0.0308 |
| 0.75 | 210 | 0.1453 | 0.2469 | 0.0301 |
| 0.75 | 222 | -0.1587 | 0.1955 | 0.0302 |
| 0.75 | 234 | 0.4345 | 0.134 | 0.0312 |
| 0.75 | 246 | -0.0369 | 0.1165 | 0.03 |
| 0.75 | 258 | -0.0505 | 0.1202 | 0.03 |
| 0.75 | 270 | 0.1767 | 0.1451 | 0.0302 |
| 0.85 | 102 | 0.065 | 0.1833 | 0.03 |
| 0.85 | 114 | -0.1346 | 0.1363 | 0.0301 |
| 0.85 | 126 | -0.0131 | 0.1293 | 0.03 |
| 0.85 | 138 | 0.3091 | 0.1292 | 0.0306 |
| 0.85 | 150 | 0.2011 | 0.1696 | 0.0303 |
| 0.85 | 162 | 0.4477 | 0.1681 | 0.0313 |
| 0.85 | 174 | 0.0845 | 0.1844 | 0.03 |
| 0.85 | 198 | -0.0918 | 0.2342 | 0.0301 |
| 0.85 | 210 | -0.4032 | 0.1911 | 0.0311 |
| 0.85 | 222 | -0.037 | 0.1725 | 0.03 |
| 0.85 | 234 | -0.1944 | 0.1308 | 0.0303 |
| 0.85 | 246 | 0.0051 | 0.1289 | 0.03 |
| 0.85 | 258 | 0.0943 | 0.1273 | 0.0301 |
| 0.85 | 270 | 0.0367 | 0.1781 | 0.03 |
| 0.95 | 126 | 0.2107 | 0.2706 | 0.0303 |
| 0.95 | 138 | 0.4117 | 0.2082 | 0.0311 |
| 0.95 | 150 | 0.0325 | 0.1792 | 0.03 |
| 0.95 | 162 | -0.1718 | 0.247 | 0.0302 |
| 0.95 | 174 | 0.0386 | 0.2565 | 0.03 |
| 0.95 | 186 | -0.3407 | 0.2468 | 0.0308 |
| 0.95 | 210 | 0.2843 | 0.223 | 0.0305 |
| 0.95 | 222 | 0.1903 | 0.2287 | 0.0302 |
| 0.95 | 234 | -0.038 | 0.2506 | 0.03 |
| 0.95 | 246 | -0.2704 | 0.216 | 0.0305 |