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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 : | 0.2445 GeV2 | |
|---|---|---|
| W : | 1265 GeV | |
| ε : | 0.9667 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.8951 |
|
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 |
|---|---|---|---|---|
| 0.05 | 66 | -0.2863 | 0.2064 | 0.0305 |
| 0.15 | 54 | 0.3608 | 0.2529 | 0.0309 |
| 0.15 | 66 | -0.3475 | 0.1588 | 0.0308 |
| 0.25 | 54 | 0.0074 | 0.2478 | 0.03 |
| 0.25 | 66 | -0.1367 | 0.1619 | 0.0301 |
| 0.25 | 294 | 0.1035 | 0.2558 | 0.0301 |
| 0.35 | 54 | 0.1704 | 0.2658 | 0.0302 |
| 0.35 | 66 | -0.1839 | 0.1699 | 0.0302 |
| 0.35 | 78 | 0.1262 | 0.2618 | 0.0301 |
| 0.35 | 294 | -0.1197 | 0.2103 | 0.0301 |
| 0.45 | 66 | -0.2748 | 0.2234 | 0.0305 |
| 0.45 | 78 | 0.2825 | 0.2357 | 0.0305 |
| 0.45 | 282 | 0.1999 | 0.1859 | 0.0303 |
| 0.45 | 294 | -0.0354 | 0.2023 | 0.03 |
| 0.55 | 78 | -0.4395 | 0.2088 | 0.0313 |
| 0.55 | 90 | 0.4597 | 0.2296 | 0.0314 |
| 0.55 | 270 | -0.3136 | 0.1891 | 0.0306 |
| 0.55 | 282 | 0.1303 | 0.1565 | 0.0301 |
| 0.55 | 294 | 0.0605 | 0.1821 | 0.03 |
| 0.65 | 66 | 0.0183 | 0.2109 | 0.03 |
| 0.65 | 78 | 0.213 | 0.1705 | 0.0303 |
| 0.65 | 90 | 0.0657 | 0.176 | 0.03 |
| 0.65 | 102 | 0.611 | 0.1903 | 0.0324 |
| 0.65 | 258 | -0.3171 | 0.2551 | 0.0307 |
| 0.65 | 270 | 0.0802 | 0.1461 | 0.03 |
| 0.65 | 282 | -0.0833 | 0.1277 | 0.03 |
| 0.65 | 294 | 0.0244 | 0.1488 | 0.03 |
| 0.65 | 306 | -0.2278 | 0.1962 | 0.0303 |
| 0.75 | 66 | 0.2293 | 0.1534 | 0.0303 |
| 0.75 | 78 | -0.0795 | 0.134 | 0.03 |
| 0.75 | 90 | 0.1426 | 0.1404 | 0.0301 |
| 0.75 | 102 | 0.2386 | 0.1534 | 0.0304 |
| 0.75 | 114 | 0.2737 | 0.2521 | 0.0305 |
| 0.75 | 246 | 0.2366 | 0.2597 | 0.0304 |
| 0.75 | 258 | 0.2072 | 0.1671 | 0.0303 |
| 0.75 | 270 | -0.0439 | 0.1519 | 0.03 |
| 0.75 | 282 | 0.0354 | 0.1379 | 0.03 |
| 0.75 | 294 | -0.2929 | 0.1235 | 0.0306 |
| 0.75 | 306 | -0.0988 | 0.1728 | 0.0301 |
| 0.85 | 54 | -0.2258 | 0.2259 | 0.0303 |
| 0.85 | 66 | -0.0949 | 0.1254 | 0.0301 |
| 0.85 | 78 | -0.058 | 0.1254 | 0.03 |
| 0.85 | 90 | 0.0551 | 0.1317 | 0.03 |
| 0.85 | 102 | 0.1642 | 0.1255 | 0.0302 |
| 0.85 | 114 | -0.1153 | 0.1635 | 0.0301 |
| 0.85 | 126 | 0.1171 | 0.2381 | 0.0301 |
| 0.85 | 234 | -0.0103 | 0.2604 | 0.03 |
| 0.85 | 246 | 0.0469 | 0.1544 | 0.03 |
| 0.85 | 258 | -0.2504 | 0.1463 | 0.0304 |
| 0.85 | 270 | 0.0395 | 0.1529 | 0.03 |
| 0.85 | 282 | 0.0168 | 0.1388 | 0.03 |
| 0.85 | 294 | -0.0472 | 0.1349 | 0.03 |
| 0.85 | 306 | 0.1263 | 0.142 | 0.0301 |
| 0.85 | 318 | 0.2313 | 0.2375 | 0.0304 |
| 0.95 | 42 | -0.3295 | 0.2503 | 0.0307 |
| 0.95 | 54 | 0.0041 | 0.2164 | 0.03 |
| 0.95 | 66 | 0.0133 | 0.163 | 0.03 |
| 0.95 | 78 | 0.0192 | 0.1622 | 0.03 |
| 0.95 | 90 | -0.327 | 0.1574 | 0.0307 |
| 0.95 | 102 | -0.0222 | 0.1494 | 0.03 |
| 0.95 | 114 | -0.1746 | 0.1408 | 0.0302 |
| 0.95 | 126 | 0.1305 | 0.1626 | 0.0301 |
| 0.95 | 138 | 0.1016 | 0.1963 | 0.0301 |
| 0.95 | 150 | 0.1346 | 0.2279 | 0.0301 |
| 0.95 | 162 | 0.1825 | 0.2814 | 0.0302 |
| 0.95 | 210 | 0.02 | 0.269 | 0.03 |
| 0.95 | 222 | 0.2169 | 0.2586 | 0.0303 |
| 0.95 | 234 | -0.4067 | 0.2062 | 0.0311 |
| 0.95 | 246 | -0.3281 | 0.2018 | 0.0307 |
| 0.95 | 258 | 0.2823 | 0.1795 | 0.0305 |
| 0.95 | 270 | 0.1669 | 0.1795 | 0.0302 |
| 0.95 | 282 | 0.034 | 0.1537 | 0.03 |
| 0.95 | 294 | 0.2878 | 0.1618 | 0.0305 |
| 0.95 | 306 | 0.1458 | 0.2018 | 0.0301 |
| 0.95 | 318 | -0.2191 | 0.2277 | 0.0303 |