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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 : | 0.0348 GeV2 | |
|---|---|---|
| W : | 1595 GeV | |
| ε : | 0.8341 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0354 |
|
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 | 90 | -0.1302 | 0.2854 | 0.0301 |
| 0.35 | 66 | -0.105 | 0.2535 | 0.0301 |
| 0.35 | 78 | 0.3002 | 0.24 | 0.0306 |
| 0.35 | 90 | -0.2037 | 0.2682 | 0.0303 |
| 0.35 | 270 | -0.4067 | 0.2508 | 0.0311 |
| 0.35 | 282 | -0.1059 | 0.2391 | 0.0301 |
| 0.45 | 18 | -0.4949 | 0.2435 | 0.0316 |
| 0.45 | 66 | -0.2012 | 0.2723 | 0.0303 |
| 0.45 | 78 | 0.1112 | 0.2197 | 0.0301 |
| 0.45 | 126 | 0.1394 | 0.2701 | 0.0301 |
| 0.45 | 138 | -0.2742 | 0.2714 | 0.0305 |
| 0.45 | 246 | 0.1393 | 0.2818 | 0.0301 |
| 0.45 | 258 | 0.5812 | 0.1963 | 0.0322 |
| 0.45 | 270 | 0.0057 | 0.2105 | 0.03 |
| 0.45 | 282 | -0.137 | 0.2113 | 0.0301 |
| 0.45 | 294 | -0.2918 | 0.2393 | 0.0306 |
| 0.55 | 78 | -0.0554 | 0.2364 | 0.03 |
| 0.55 | 90 | -0.0593 | 0.2362 | 0.03 |
| 0.55 | 114 | -0.4584 | 0.2116 | 0.0314 |
| 0.55 | 126 | 0.1948 | 0.222 | 0.0303 |
| 0.55 | 138 | -0.2769 | 0.2075 | 0.0305 |
| 0.55 | 150 | -0.0247 | 0.2567 | 0.03 |
| 0.55 | 210 | 0.1053 | 0.2122 | 0.0301 |
| 0.55 | 222 | 0.0476 | 0.2782 | 0.03 |
| 0.55 | 258 | 0.017 | 0.2421 | 0.03 |
| 0.55 | 270 | -0.3096 | 0.1913 | 0.0306 |
| 0.55 | 282 | 0.4268 | 0.201 | 0.0312 |
| 0.65 | 78 | -0.0038 | 0.2614 | 0.03 |
| 0.65 | 114 | -0.0899 | 0.2352 | 0.0301 |
| 0.65 | 126 | -0.2549 | 0.1981 | 0.0304 |
| 0.65 | 138 | -0.1285 | 0.225 | 0.0301 |
| 0.65 | 150 | 0.1318 | 0.2524 | 0.0301 |
| 0.65 | 198 | 0.1485 | 0.2324 | 0.0301 |
| 0.65 | 210 | 0.1156 | 0.2055 | 0.0301 |
| 0.65 | 222 | 0.2438 | 0.1938 | 0.0304 |
| 0.65 | 234 | -0.1133 | 0.2597 | 0.0301 |
| 0.65 | 246 | -0.0914 | 0.2775 | 0.0301 |
| 0.65 | 282 | -0.1853 | 0.2688 | 0.0302 |
| 0.65 | 294 | 0.4619 | 0.2069 | 0.0314 |
| 0.75 | 54 | 0.1454 | 0.2542 | 0.0301 |
| 0.75 | 66 | 0.5266 | 0.1727 | 0.0318 |
| 0.75 | 78 | -0.3095 | 0.2209 | 0.0306 |
| 0.75 | 126 | -0.124 | 0.2664 | 0.0301 |
| 0.75 | 138 | 0.232 | 0.2473 | 0.0304 |
| 0.75 | 198 | -0.5116 | 0.2235 | 0.0317 |
| 0.75 | 210 | -0.0062 | 0.1911 | 0.03 |
| 0.75 | 222 | 0.159 | 0.1875 | 0.0302 |
| 0.75 | 234 | 0.1074 | 0.2546 | 0.0301 |
| 0.75 | 258 | -0.2627 | 0.2262 | 0.0305 |
| 0.75 | 270 | 0.1267 | 0.178 | 0.0301 |
| 0.75 | 282 | 0.0705 | 0.2119 | 0.03 |
| 0.75 | 294 | -0.2979 | 0.243 | 0.0306 |
| 0.85 | 102 | 0.1468 | 0.2573 | 0.0301 |
| 0.85 | 114 | 0.043 | 0.213 | 0.03 |
| 0.85 | 126 | 0.1385 | 0.2196 | 0.0301 |
| 0.85 | 198 | 0.0138 | 0.2774 | 0.03 |
| 0.85 | 210 | 0.0623 | 0.2329 | 0.03 |
| 0.85 | 222 | -0.1938 | 0.176 | 0.0302 |
| 0.85 | 234 | -0.0598 | 0.2515 | 0.03 |
| 0.85 | 246 | -0.0206 | 0.2752 | 0.03 |