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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 : | 1355 GeV | |
| ε : | 0.9555 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.5712 |
|
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 | 54 | 0.1307 | 0.2184 | 0.0301 |
| 0.05 | 66 | 0.2912 | 0.251 | 0.0306 |
| 0.05 | 294 | 0.2905 | 0.2581 | 0.0306 |
| 0.05 | 306 | 0.2139 | 0.2125 | 0.0303 |
| 0.15 | 54 | 0.0257 | 0.2015 | 0.03 |
| 0.15 | 66 | 0.0276 | 0.194 | 0.03 |
| 0.15 | 294 | 0.38 | 0.2263 | 0.0309 |
| 0.15 | 306 | 0.0624 | 0.2024 | 0.03 |
| 0.25 | 54 | -0.0256 | 0.211 | 0.03 |
| 0.25 | 66 | -0.1437 | 0.2514 | 0.0301 |
| 0.25 | 78 | -0.3158 | 0.2375 | 0.0307 |
| 0.25 | 294 | 0.1282 | 0.1944 | 0.0301 |
| 0.25 | 306 | -0.027 | 0.2347 | 0.03 |
| 0.35 | 54 | 0.1114 | 0.2454 | 0.0301 |
| 0.35 | 66 | 0.0901 | 0.2069 | 0.0301 |
| 0.35 | 78 | 0.3848 | 0.1966 | 0.031 |
| 0.35 | 282 | 0.1866 | 0.2302 | 0.0302 |
| 0.35 | 294 | 0.0024 | 0.1976 | 0.03 |
| 0.45 | 54 | -0.0421 | 0.2403 | 0.03 |
| 0.45 | 66 | 0.1174 | 0.2267 | 0.0301 |
| 0.45 | 78 | -0.004 | 0.2832 | 0.03 |
| 0.45 | 282 | 0.013 | 0.2407 | 0.03 |
| 0.45 | 294 | -0.3942 | 0.2395 | 0.031 |
| 0.55 | 66 | -0.2041 | 0.2468 | 0.0303 |
| 0.55 | 78 | -0.0616 | 0.2158 | 0.03 |
| 0.55 | 90 | 0.0186 | 0.1967 | 0.03 |
| 0.55 | 102 | 0.0029 | 0.2178 | 0.03 |
| 0.55 | 270 | 0.1085 | 0.2277 | 0.0301 |
| 0.55 | 282 | -0.1309 | 0.2222 | 0.0301 |
| 0.55 | 294 | 0.0375 | 0.2235 | 0.03 |
| 0.65 | 66 | -0.6014 | 0.1798 | 0.0323 |
| 0.65 | 78 | 0.3307 | 0.1414 | 0.0307 |
| 0.65 | 90 | 0.1181 | 0.1374 | 0.0301 |
| 0.65 | 102 | -0.2209 | 0.1577 | 0.0303 |
| 0.65 | 114 | 0.4794 | 0.1904 | 0.0315 |
| 0.65 | 258 | -0.1023 | 0.147 | 0.0301 |
| 0.65 | 270 | -0.1734 | 0.1383 | 0.0302 |
| 0.65 | 282 | 0.105 | 0.157 | 0.0301 |
| 0.65 | 294 | 0.2862 | 0.2444 | 0.0305 |
| 0.75 | 54 | -0.0905 | 0.219 | 0.0301 |
| 0.75 | 66 | 0.3499 | 0.182 | 0.0308 |
| 0.75 | 78 | 0.0631 | 0.1375 | 0.03 |
| 0.75 | 90 | 0.0311 | 0.1345 | 0.03 |
| 0.75 | 102 | -0.0512 | 0.1378 | 0.03 |
| 0.75 | 114 | 0.2254 | 0.1382 | 0.0303 |
| 0.75 | 126 | -0.1599 | 0.2103 | 0.0302 |
| 0.75 | 234 | 0.0123 | 0.2071 | 0.03 |
| 0.75 | 246 | 0.3225 | 0.154 | 0.0307 |
| 0.75 | 258 | -0.1974 | 0.1332 | 0.0303 |
| 0.75 | 270 | -0.068 | 0.1271 | 0.03 |
| 0.75 | 282 | 0.0086 | 0.1205 | 0.03 |
| 0.75 | 294 | -0.1288 | 0.1636 | 0.0301 |
| 0.75 | 306 | 0.208 | 0.2035 | 0.0303 |
| 0.85 | 54 | 0.1925 | 0.1648 | 0.0302 |
| 0.85 | 66 | 0.3045 | 0.2022 | 0.0306 |
| 0.85 | 78 | -0.1849 | 0.1265 | 0.0302 |
| 0.85 | 90 | -0.0548 | 0.1106 | 0.03 |
| 0.85 | 102 | -0.1739 | 0.1322 | 0.0302 |
| 0.85 | 114 | -0.2646 | 0.1284 | 0.0305 |
| 0.85 | 126 | 0.0926 | 0.1673 | 0.0301 |
| 0.85 | 138 | -0.009 | 0.1713 | 0.03 |
| 0.85 | 198 | -0.0627 | 0.2188 | 0.03 |
| 0.85 | 210 | -0.0539 | 0.2238 | 0.03 |
| 0.85 | 222 | 0.0402 | 0.1398 | 0.03 |
| 0.85 | 234 | -0.1657 | 0.1545 | 0.0302 |
| 0.85 | 246 | -0.2137 | 0.1322 | 0.0303 |
| 0.85 | 258 | 0.1955 | 0.128 | 0.0303 |
| 0.85 | 270 | 0.0433 | 0.1248 | 0.03 |
| 0.85 | 282 | -0.0607 | 0.1404 | 0.03 |
| 0.85 | 294 | 0.0015 | 0.1203 | 0.03 |
| 0.85 | 306 | 0.1566 | 0.1283 | 0.0302 |
| 0.85 | 318 | -0.1636 | 0.2547 | 0.0302 |
| 0.95 | 42 | -0.2556 | 0.2462 | 0.0304 |
| 0.95 | 54 | 0.3391 | 0.2333 | 0.0308 |
| 0.95 | 78 | 0.1323 | 0.1612 | 0.0301 |
| 0.95 | 90 | 0.1289 | 0.1692 | 0.0301 |
| 0.95 | 102 | -0.1286 | 0.1569 | 0.0301 |
| 0.95 | 114 | 0.2344 | 0.1692 | 0.0304 |
| 0.95 | 126 | -0.1744 | 0.195 | 0.0302 |
| 0.95 | 138 | 0.057 | 0.2109 | 0.03 |
| 0.95 | 150 | 0.1609 | 0.2308 | 0.0302 |
| 0.95 | 162 | 0.1602 | 0.2415 | 0.0302 |
| 0.95 | 174 | 0.578 | 0.2286 | 0.0322 |
| 0.95 | 186 | -0.4803 | 0.2425 | 0.0315 |
| 0.95 | 198 | 0.2367 | 0.1975 | 0.0304 |
| 0.95 | 210 | 0.1594 | 0.1947 | 0.0302 |
| 0.95 | 222 | 0.0892 | 0.1772 | 0.0301 |
| 0.95 | 234 | 0.2889 | 0.1611 | 0.0306 |
| 0.95 | 246 | -0.0213 | 0.1691 | 0.03 |
| 0.95 | 258 | 0.0555 | 0.1406 | 0.03 |
| 0.95 | 270 | 0.3243 | 0.1461 | 0.0307 |
| 0.95 | 282 | 0.2119 | 0.1536 | 0.0303 |
| 0.95 | 294 | -0.1091 | 0.1404 | 0.0301 |
| 0.95 | 306 | -0.3316 | 0.144 | 0.0307 |
| 0.95 | 318 | 0.1381 | 0.1632 | 0.0301 |
| 0.95 | 330 | -0.0332 | 0.187 | 0.03 |