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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 : | 1355 GeV | |
| ε : | 0.9602 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.5146 |
|
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 | -0.2034 | 0.23 | 0.0303 |
| 0.05 | 54 | -0.0411 | 0.232 | 0.03 |
| 0.05 | 294 | -0.2546 | 0.2617 | 0.0304 |
| 0.05 | 306 | 0.1476 | 0.2514 | 0.0301 |
| 0.15 | 54 | 0.3051 | 0.192 | 0.0306 |
| 0.15 | 66 | 0.3914 | 0.1756 | 0.031 |
| 0.15 | 294 | -0.076 | 0.1838 | 0.03 |
| 0.15 | 306 | 0.01 | 0.1884 | 0.03 |
| 0.25 | 54 | -0.3521 | 0.1933 | 0.0308 |
| 0.25 | 66 | 0.0939 | 0.1637 | 0.0301 |
| 0.25 | 78 | -0.3405 | 0.1957 | 0.0308 |
| 0.25 | 282 | 0.3274 | 0.2538 | 0.0307 |
| 0.25 | 294 | -0.1832 | 0.1904 | 0.0302 |
| 0.25 | 306 | 0.1834 | 0.1911 | 0.0302 |
| 0.35 | 54 | -0.1323 | 0.2183 | 0.0301 |
| 0.35 | 66 | -0.3666 | 0.1486 | 0.0309 |
| 0.35 | 78 | -0.0682 | 0.2198 | 0.03 |
| 0.35 | 282 | -0.0286 | 0.2154 | 0.03 |
| 0.35 | 294 | -0.1949 | 0.1833 | 0.0303 |
| 0.35 | 306 | -0.17 | 0.2228 | 0.0302 |
| 0.45 | 54 | -0.0712 | 0.233 | 0.03 |
| 0.45 | 66 | -0.1211 | 0.1889 | 0.0301 |
| 0.45 | 78 | 0.1634 | 0.2573 | 0.0302 |
| 0.45 | 90 | -0.0789 | 0.2799 | 0.03 |
| 0.45 | 282 | 0.2028 | 0.1852 | 0.0303 |
| 0.45 | 294 | -0.6508 | 0.1678 | 0.0327 |
| 0.45 | 306 | -0.2163 | 0.2663 | 0.0303 |
| 0.55 | 54 | 0.1418 | 0.2589 | 0.0301 |
| 0.55 | 66 | 0.2733 | 0.1912 | 0.0305 |
| 0.55 | 78 | 0.3655 | 0.1996 | 0.0309 |
| 0.55 | 90 | 0.532 | 0.1623 | 0.0318 |
| 0.55 | 102 | -0.3279 | 0.2065 | 0.0307 |
| 0.55 | 258 | 0.1947 | 0.2645 | 0.0303 |
| 0.55 | 270 | 0.1204 | 0.1778 | 0.0301 |
| 0.55 | 282 | 0.2346 | 0.2042 | 0.0304 |
| 0.55 | 294 | 0.2376 | 0.2075 | 0.0304 |
| 0.65 | 66 | -0.1071 | 0.2316 | 0.0301 |
| 0.65 | 78 | 0.2031 | 0.1367 | 0.0303 |
| 0.65 | 90 | 0.1051 | 0.1339 | 0.0301 |
| 0.65 | 102 | -0.045 | 0.1333 | 0.03 |
| 0.65 | 114 | 0.2639 | 0.1964 | 0.0305 |
| 0.65 | 246 | 0.0435 | 0.2687 | 0.03 |
| 0.65 | 258 | 0.1182 | 0.1573 | 0.0301 |
| 0.65 | 270 | 0.0073 | 0.1354 | 0.03 |
| 0.65 | 282 | 0.0806 | 0.1559 | 0.03 |
| 0.65 | 294 | 0.3172 | 0.1912 | 0.0307 |
| 0.75 | 66 | -0.086 | 0.2273 | 0.03 |
| 0.75 | 78 | -0.0164 | 0.1124 | 0.03 |
| 0.75 | 90 | -0.1339 | 0.1054 | 0.0301 |
| 0.75 | 102 | 0.0251 | 0.1141 | 0.03 |
| 0.75 | 114 | -0.08 | 0.1382 | 0.03 |
| 0.75 | 126 | -0.1543 | 0.1568 | 0.0302 |
| 0.75 | 222 | -0.0959 | 0.2764 | 0.0301 |
| 0.75 | 234 | -0.1277 | 0.1802 | 0.0301 |
| 0.75 | 246 | -0.132 | 0.1344 | 0.0301 |
| 0.75 | 258 | 0.0919 | 0.1211 | 0.0301 |
| 0.75 | 270 | -0.0945 | 0.1106 | 0.0301 |
| 0.75 | 282 | -0.1523 | 0.1284 | 0.0302 |
| 0.75 | 294 | 0.3855 | 0.1523 | 0.031 |
| 0.75 | 306 | 0.0438 | 0.2295 | 0.03 |
| 0.85 | 54 | -0.2463 | 0.1812 | 0.0304 |
| 0.85 | 66 | -0.0318 | 0.2084 | 0.03 |
| 0.85 | 78 | -0.1613 | 0.1396 | 0.0302 |
| 0.85 | 90 | 0.0732 | 0.1128 | 0.03 |
| 0.85 | 102 | -0.0458 | 0.1137 | 0.03 |
| 0.85 | 114 | -0.1767 | 0.1259 | 0.0302 |
| 0.85 | 126 | 0.0641 | 0.1386 | 0.03 |
| 0.85 | 138 | -0.2534 | 0.1588 | 0.0304 |
| 0.85 | 150 | -0.0261 | 0.232 | 0.03 |
| 0.85 | 162 | 0.4991 | 0.2213 | 0.0316 |
| 0.85 | 186 | -0.2989 | 0.2699 | 0.0306 |
| 0.85 | 198 | 0.2319 | 0.2104 | 0.0304 |
| 0.85 | 210 | -0.045 | 0.1604 | 0.03 |
| 0.85 | 222 | -0.1262 | 0.1558 | 0.0301 |
| 0.85 | 234 | 0.0887 | 0.1435 | 0.0301 |
| 0.85 | 246 | 0.0163 | 0.1172 | 0.03 |
| 0.85 | 258 | 0.0131 | 0.1069 | 0.03 |
| 0.85 | 270 | -0.0342 | 0.1141 | 0.03 |
| 0.85 | 282 | -0.0458 | 0.1184 | 0.03 |
| 0.85 | 294 | 0.0374 | 0.1086 | 0.03 |
| 0.85 | 306 | -0.1256 | 0.1447 | 0.0301 |
| 0.95 | 54 | -0.0465 | 0.2201 | 0.03 |
| 0.95 | 78 | -0.25 | 0.1904 | 0.0304 |
| 0.95 | 90 | -0.1611 | 0.1429 | 0.0302 |
| 0.95 | 102 | -0.0262 | 0.1412 | 0.03 |
| 0.95 | 114 | 0.0834 | 0.1514 | 0.03 |
| 0.95 | 126 | -0.4019 | 0.1442 | 0.0311 |
| 0.95 | 138 | 0.2383 | 0.186 | 0.0304 |
| 0.95 | 150 | 0.1236 | 0.1864 | 0.0301 |
| 0.95 | 162 | 0.0519 | 0.2078 | 0.03 |
| 0.95 | 174 | -0.3273 | 0.214 | 0.0307 |
| 0.95 | 186 | 0.3924 | 0.2057 | 0.031 |
| 0.95 | 198 | -0.6081 | 0.168 | 0.0324 |
| 0.95 | 210 | 0.0508 | 0.1932 | 0.03 |
| 0.95 | 222 | -0.2654 | 0.1496 | 0.0305 |
| 0.95 | 234 | 0.1369 | 0.1482 | 0.0301 |
| 0.95 | 246 | -0.0236 | 0.1611 | 0.03 |
| 0.95 | 258 | 0.0934 | 0.1333 | 0.0301 |
| 0.95 | 270 | -0.1824 | 0.1321 | 0.0302 |
| 0.95 | 282 | -0.0903 | 0.1231 | 0.0301 |
| 0.95 | 294 | -0.002 | 0.1261 | 0.03 |
| 0.95 | 306 | -0.0394 | 0.1279 | 0.03 |
| 0.95 | 318 | 0.5519 | 0.1631 | 0.032 |