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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 : | 0.205 GeV2 | |
|---|---|---|
| W : | 1325 GeV | |
| ε : | 0.9642 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.5965 |
|
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 | 306 | -0.0524 | 0.2248 | 0.03 |
| -0.05 | 318 | -0.3638 | 0.2113 | 0.0309 |
| 0.05 | 54 | -0.1251 | 0.2693 | 0.0301 |
| 0.05 | 66 | 0.1756 | 0.2221 | 0.0302 |
| 0.05 | 294 | -0.1128 | 0.272 | 0.0301 |
| 0.05 | 306 | 0.0979 | 0.2071 | 0.0301 |
| 0.15 | 54 | -0.0607 | 0.2179 | 0.03 |
| 0.15 | 66 | -0.063 | 0.1714 | 0.03 |
| 0.15 | 294 | 0.1387 | 0.1665 | 0.0301 |
| 0.15 | 306 | 0.1385 | 0.1763 | 0.0301 |
| 0.25 | 54 | 0.0988 | 0.2347 | 0.0301 |
| 0.25 | 66 | -0.0188 | 0.1634 | 0.03 |
| 0.25 | 78 | 0.3195 | 0.2001 | 0.0307 |
| 0.25 | 294 | 0.1033 | 0.1954 | 0.0301 |
| 0.25 | 306 | 0.1377 | 0.2036 | 0.0301 |
| 0.35 | 54 | -0.145 | 0.226 | 0.0301 |
| 0.35 | 66 | 0.0194 | 0.1537 | 0.03 |
| 0.35 | 78 | 0.1336 | 0.202 | 0.0301 |
| 0.35 | 282 | -0.4844 | 0.2059 | 0.0315 |
| 0.35 | 294 | -0.1024 | 0.1961 | 0.0301 |
| 0.35 | 306 | -0.4386 | 0.2267 | 0.0313 |
| 0.45 | 54 | 0.2773 | 0.2047 | 0.0305 |
| 0.45 | 66 | 0.1321 | 0.1801 | 0.0301 |
| 0.45 | 78 | -0.3578 | 0.2191 | 0.0308 |
| 0.45 | 282 | -0.0942 | 0.2351 | 0.0301 |
| 0.45 | 294 | 0.0321 | 0.1878 | 0.03 |
| 0.55 | 66 | -0.0134 | 0.2379 | 0.03 |
| 0.55 | 78 | -0.3584 | 0.2358 | 0.0308 |
| 0.55 | 90 | 0.5041 | 0.1685 | 0.0316 |
| 0.55 | 102 | -0.0211 | 0.2576 | 0.03 |
| 0.55 | 270 | -0.1004 | 0.1873 | 0.0301 |
| 0.55 | 282 | 0.1405 | 0.1878 | 0.0301 |
| 0.55 | 294 | -0.1156 | 0.2098 | 0.0301 |
| 0.65 | 66 | 0.5077 | 0.2077 | 0.0317 |
| 0.65 | 78 | -0.0964 | 0.1356 | 0.0301 |
| 0.65 | 90 | 0.0661 | 0.1311 | 0.03 |
| 0.65 | 102 | -0.0174 | 0.1353 | 0.03 |
| 0.65 | 114 | -0.0156 | 0.2421 | 0.03 |
| 0.65 | 258 | -0.1349 | 0.1591 | 0.0301 |
| 0.65 | 270 | 0.1848 | 0.1348 | 0.0302 |
| 0.65 | 282 | -0.0154 | 0.1539 | 0.03 |
| 0.65 | 294 | -0.2179 | 0.1957 | 0.0303 |
| 0.75 | 66 | -0.0365 | 0.1741 | 0.03 |
| 0.75 | 78 | -0.0981 | 0.1199 | 0.0301 |
| 0.75 | 90 | -0.1147 | 0.1044 | 0.0301 |
| 0.75 | 102 | -0.0174 | 0.1221 | 0.03 |
| 0.75 | 114 | 0.0912 | 0.1454 | 0.0301 |
| 0.75 | 126 | 0.227 | 0.1886 | 0.0303 |
| 0.75 | 234 | -0.1314 | 0.2014 | 0.0301 |
| 0.75 | 246 | -0.0076 | 0.1509 | 0.03 |
| 0.75 | 258 | 0.1081 | 0.131 | 0.0301 |
| 0.75 | 270 | -0.0044 | 0.1116 | 0.03 |
| 0.75 | 282 | 0.1744 | 0.1229 | 0.0302 |
| 0.75 | 294 | 0.1613 | 0.1339 | 0.0302 |
| 0.75 | 306 | -0.0424 | 0.1911 | 0.03 |
| 0.85 | 54 | -0.1472 | 0.213 | 0.0301 |
| 0.85 | 66 | -0.0896 | 0.1966 | 0.0301 |
| 0.85 | 78 | 0.0994 | 0.1163 | 0.0301 |
| 0.85 | 90 | -0.1464 | 0.1052 | 0.0301 |
| 0.85 | 102 | 0.1023 | 0.1141 | 0.0301 |
| 0.85 | 114 | 0.0862 | 0.1168 | 0.03 |
| 0.85 | 126 | -0.1865 | 0.1354 | 0.0302 |
| 0.85 | 138 | -0.0256 | 0.2045 | 0.03 |
| 0.85 | 150 | 0.1147 | 0.2502 | 0.0301 |
| 0.85 | 198 | -0.0064 | 0.2719 | 0.03 |
| 0.85 | 210 | 0.1472 | 0.2012 | 0.0301 |
| 0.85 | 222 | 0.0093 | 0.1788 | 0.03 |
| 0.85 | 234 | 0.0728 | 0.1369 | 0.03 |
| 0.85 | 246 | -0.103 | 0.1317 | 0.0301 |
| 0.85 | 258 | 0.2417 | 0.1106 | 0.0304 |
| 0.85 | 270 | 0.1476 | 0.1063 | 0.0301 |
| 0.85 | 282 | 0.0394 | 0.1107 | 0.03 |
| 0.85 | 294 | -0.0306 | 0.1224 | 0.03 |
| 0.85 | 306 | -0.0933 | 0.1465 | 0.0301 |
| 0.95 | 54 | -0.4965 | 0.2339 | 0.0316 |
| 0.95 | 66 | -0.0496 | 0.254 | 0.03 |
| 0.95 | 78 | 0.008 | 0.1363 | 0.03 |
| 0.95 | 90 | -0.0961 | 0.1283 | 0.0301 |
| 0.95 | 102 | -0.0544 | 0.1468 | 0.03 |
| 0.95 | 114 | -0.1027 | 0.1418 | 0.0301 |
| 0.95 | 126 | 0.1157 | 0.144 | 0.0301 |
| 0.95 | 138 | -0.2422 | 0.1648 | 0.0304 |
| 0.95 | 150 | -0.2675 | 0.1731 | 0.0305 |
| 0.95 | 162 | -0.1507 | 0.1915 | 0.0302 |
| 0.95 | 174 | 0.0536 | 0.2467 | 0.03 |
| 0.95 | 186 | -0.078 | 0.2253 | 0.03 |
| 0.95 | 198 | -0.0564 | 0.1978 | 0.03 |
| 0.95 | 210 | -0.1077 | 0.2165 | 0.0301 |
| 0.95 | 222 | 0 | 0.1671 | 0.03 |
| 0.95 | 234 | 0.1068 | 0.1524 | 0.0301 |
| 0.95 | 246 | -0.2921 | 0.1528 | 0.0306 |
| 0.95 | 258 | -0.1342 | 0.1345 | 0.0301 |
| 0.95 | 270 | 0.0234 | 0.1353 | 0.03 |
| 0.95 | 282 | 0.0314 | 0.1296 | 0.03 |
| 0.95 | 294 | -0.0014 | 0.1281 | 0.03 |
| 0.95 | 306 | -0.1575 | 0.1444 | 0.0302 |
| 0.95 | 318 | -0.306 | 0.1748 | 0.0306 |