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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 : | 0.1435 GeV2 | |
|---|---|---|
| W : | 1535 GeV | |
| ε : | 0.9348 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.1802 |
|
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 | 30 | 0.0476 | 0.2811 | 0.03 |
| 0.05 | 54 | -0.01 | 0.2798 | 0.03 |
| 0.05 | 66 | -0.1147 | 0.2246 | 0.0301 |
| 0.15 | 54 | 0.2419 | 0.2084 | 0.0304 |
| 0.15 | 66 | 0.0826 | 0.1917 | 0.03 |
| 0.15 | 78 | 0.4424 | 0.191 | 0.0313 |
| 0.15 | 282 | 0.2439 | 0.2664 | 0.0304 |
| 0.15 | 294 | -0.1963 | 0.1862 | 0.0303 |
| 0.25 | 54 | -0.2042 | 0.1888 | 0.0303 |
| 0.25 | 66 | 0.3478 | 0.1526 | 0.0308 |
| 0.25 | 78 | -0.2189 | 0.183 | 0.0303 |
| 0.25 | 270 | 0.0539 | 0.2791 | 0.03 |
| 0.25 | 282 | 0.2994 | 0.1665 | 0.0306 |
| 0.25 | 294 | 0.0968 | 0.1789 | 0.0301 |
| 0.25 | 306 | -0.0895 | 0.2106 | 0.0301 |
| 0.35 | 54 | 0.0939 | 0.2332 | 0.0301 |
| 0.35 | 66 | 0.3785 | 0.1428 | 0.0309 |
| 0.35 | 78 | -0.0307 | 0.1517 | 0.03 |
| 0.35 | 90 | -0.3702 | 0.2215 | 0.0309 |
| 0.35 | 102 | -0.301 | 0.234 | 0.0306 |
| 0.35 | 270 | -0.3103 | 0.1625 | 0.0306 |
| 0.35 | 282 | -0.0599 | 0.1403 | 0.03 |
| 0.35 | 294 | -0.0096 | 0.147 | 0.03 |
| 0.35 | 306 | 0.3201 | 0.2098 | 0.0307 |
| 0.45 | 54 | -0.5291 | 0.2061 | 0.0318 |
| 0.45 | 66 | -0.0494 | 0.1556 | 0.03 |
| 0.45 | 78 | -0.0355 | 0.19 | 0.03 |
| 0.45 | 90 | 0.0382 | 0.1859 | 0.03 |
| 0.45 | 102 | 0.1575 | 0.1808 | 0.0302 |
| 0.45 | 114 | -0.2691 | 0.1558 | 0.0305 |
| 0.45 | 258 | 0.2032 | 0.2504 | 0.0303 |
| 0.45 | 270 | 0.1645 | 0.1411 | 0.0302 |
| 0.45 | 282 | 0.1191 | 0.1425 | 0.0301 |
| 0.45 | 294 | -0.1969 | 0.1305 | 0.0303 |
| 0.55 | 42 | -0.481 | 0.2497 | 0.0315 |
| 0.55 | 54 | -0.0406 | 0.2151 | 0.03 |
| 0.55 | 66 | -0.3174 | 0.189 | 0.0307 |
| 0.55 | 78 | -0.2314 | 0.217 | 0.0304 |
| 0.55 | 90 | -0.042 | 0.1577 | 0.03 |
| 0.55 | 102 | 0.0141 | 0.1346 | 0.03 |
| 0.55 | 114 | 0.0388 | 0.1179 | 0.03 |
| 0.55 | 126 | 0.1804 | 0.1475 | 0.0302 |
| 0.55 | 138 | -0.0338 | 0.2178 | 0.03 |
| 0.55 | 222 | 0.2802 | 0.212 | 0.0305 |
| 0.55 | 234 | 0.0575 | 0.1968 | 0.03 |
| 0.55 | 246 | -0.0056 | 0.2087 | 0.03 |
| 0.55 | 258 | -0.1615 | 0.1701 | 0.0302 |
| 0.55 | 270 | -0.2753 | 0.1546 | 0.0305 |
| 0.55 | 282 | -0.0458 | 0.1295 | 0.03 |
| 0.55 | 294 | 0.1546 | 0.2046 | 0.0302 |
| 0.55 | 306 | 0.1581 | 0.1853 | 0.0302 |
| 0.65 | 54 | 0.2193 | 0.1859 | 0.0303 |
| 0.65 | 66 | 0.086 | 0.2218 | 0.03 |
| 0.65 | 78 | -0.18 | 0.2391 | 0.0302 |
| 0.65 | 90 | -0.067 | 0.1317 | 0.03 |
| 0.65 | 102 | -0.1337 | 0.117 | 0.0301 |
| 0.65 | 114 | -0.0505 | 0.1192 | 0.03 |
| 0.65 | 126 | -0.0058 | 0.1276 | 0.03 |
| 0.65 | 138 | -0.0955 | 0.1448 | 0.0301 |
| 0.65 | 150 | -0.153 | 0.2453 | 0.0302 |
| 0.65 | 162 | -0.2642 | 0.2612 | 0.0305 |
| 0.65 | 174 | -0.1526 | 0.2614 | 0.0302 |
| 0.65 | 186 | -0.2192 | 0.2452 | 0.0303 |
| 0.65 | 198 | -0.0749 | 0.2036 | 0.03 |
| 0.65 | 210 | -0.0618 | 0.168 | 0.03 |
| 0.65 | 222 | 0.0307 | 0.1548 | 0.03 |
| 0.65 | 234 | -0.0445 | 0.1276 | 0.03 |
| 0.65 | 246 | -0.0266 | 0.1454 | 0.03 |
| 0.65 | 258 | 0.0845 | 0.1527 | 0.03 |
| 0.65 | 270 | -0.1182 | 0.1657 | 0.0301 |
| 0.65 | 282 | -0.2706 | 0.214 | 0.0305 |
| 0.65 | 294 | -0.2246 | 0.1451 | 0.0303 |
| 0.65 | 306 | -0.234 | 0.1438 | 0.0304 |
| 0.75 | 66 | 0.0684 | 0.2109 | 0.03 |
| 0.75 | 78 | -0.1195 | 0.1692 | 0.0301 |
| 0.75 | 90 | 0.0666 | 0.1623 | 0.03 |
| 0.75 | 102 | -0.1778 | 0.1035 | 0.0302 |
| 0.75 | 114 | 0.2063 | 0.1086 | 0.0303 |
| 0.75 | 126 | 0.1481 | 0.1091 | 0.0301 |
| 0.75 | 138 | 0.1349 | 0.1406 | 0.0301 |
| 0.75 | 150 | -0.097 | 0.1966 | 0.0301 |
| 0.75 | 162 | 0.0222 | 0.2284 | 0.03 |
| 0.75 | 174 | -0.1489 | 0.2264 | 0.0301 |
| 0.75 | 186 | -0.0706 | 0.1903 | 0.03 |
| 0.75 | 198 | 0.104 | 0.1574 | 0.0301 |
| 0.75 | 210 | 0.0097 | 0.1308 | 0.03 |
| 0.75 | 222 | -0.1427 | 0.1262 | 0.0301 |
| 0.75 | 234 | -0.0809 | 0.1154 | 0.03 |
| 0.75 | 246 | -0.2172 | 0.1163 | 0.0303 |
| 0.75 | 258 | 0.0623 | 0.1266 | 0.03 |
| 0.75 | 270 | -0.5289 | 0.1672 | 0.0318 |
| 0.75 | 282 | -0.0619 | 0.1816 | 0.03 |
| 0.75 | 294 | -0.069 | 0.1312 | 0.03 |
| 0.75 | 306 | 0.2159 | 0.2537 | 0.0303 |
| 0.85 | 66 | 0.1311 | 0.1921 | 0.0301 |
| 0.85 | 78 | 0.1714 | 0.1226 | 0.0302 |
| 0.85 | 90 | 0.1418 | 0.1296 | 0.0301 |
| 0.85 | 102 | -0.2582 | 0.1547 | 0.0304 |
| 0.85 | 114 | 0.1085 | 0.1269 | 0.0301 |
| 0.85 | 126 | -0.1277 | 0.1252 | 0.0301 |
| 0.85 | 138 | 0.0813 | 0.1544 | 0.03 |
| 0.85 | 150 | 0.1053 | 0.2025 | 0.0301 |
| 0.85 | 162 | 0.0971 | 0.1965 | 0.0301 |
| 0.85 | 186 | 0.146 | 0.1671 | 0.0301 |
| 0.85 | 198 | -0.0408 | 0.1479 | 0.03 |
| 0.85 | 210 | -0.0391 | 0.1235 | 0.03 |
| 0.85 | 222 | -0.1691 | 0.1066 | 0.0302 |
| 0.85 | 234 | 0.2886 | 0.0969 | 0.0306 |
| 0.85 | 246 | -0.1211 | 0.104 | 0.0301 |
| 0.85 | 258 | -0.0347 | 0.1206 | 0.03 |
| 0.85 | 270 | -0.2164 | 0.1328 | 0.0303 |
| 0.85 | 282 | -0.099 | 0.1602 | 0.0301 |
| 0.85 | 294 | 0.4233 | 0.1917 | 0.0312 |
| 0.95 | 78 | -0.1497 | 0.1691 | 0.0301 |
| 0.95 | 90 | -0.0951 | 0.1468 | 0.0301 |
| 0.95 | 102 | -0.0233 | 0.1678 | 0.03 |
| 0.95 | 114 | -0.1919 | 0.2333 | 0.0302 |
| 0.95 | 126 | 0.1896 | 0.2495 | 0.0302 |
| 0.95 | 150 | 0.0302 | 0.248 | 0.03 |
| 0.95 | 162 | -0.4929 | 0.2316 | 0.0316 |
| 0.95 | 174 | -0.1079 | 0.1981 | 0.0301 |
| 0.95 | 186 | -0.101 | 0.2197 | 0.0301 |
| 0.95 | 198 | 0.0217 | 0.1807 | 0.03 |
| 0.95 | 210 | -0.164 | 0.1418 | 0.0302 |
| 0.95 | 222 | 0.0083 | 0.1402 | 0.03 |
| 0.95 | 234 | -0.0593 | 0.1313 | 0.03 |
| 0.95 | 246 | 0.1065 | 0.1115 | 0.0301 |
| 0.95 | 258 | 0.2065 | 0.1181 | 0.0303 |
| 0.95 | 270 | -0.0922 | 0.1116 | 0.0301 |
| 0.95 | 282 | 0.0023 | 0.1293 | 0.03 |
| 0.95 | 294 | 0.088 | 0.2283 | 0.0301 |