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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 : | 0.2915 GeV2 | |
|---|---|---|
| W : | 1475 GeV | |
| ε : | 0.9269 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.378 |
|
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 | -0.2081 | 0.2077 | 0.0303 |
| 0.05 | 66 | -0.1275 | 0.2731 | 0.0301 |
| 0.05 | 306 | 0.3872 | 0.2318 | 0.031 |
| 0.15 | 54 | 0.1487 | 0.2114 | 0.0301 |
| 0.15 | 66 | -0.1864 | 0.1909 | 0.0302 |
| 0.15 | 78 | -0.5515 | 0.1891 | 0.032 |
| 0.15 | 282 | 0.0367 | 0.2648 | 0.03 |
| 0.15 | 294 | 0.056 | 0.2469 | 0.03 |
| 0.25 | 54 | 0.0773 | 0.2208 | 0.03 |
| 0.25 | 66 | 0.4602 | 0.2013 | 0.0314 |
| 0.25 | 78 | 0.2632 | 0.2054 | 0.0305 |
| 0.25 | 282 | -0.2271 | 0.2259 | 0.0303 |
| 0.25 | 294 | -0.367 | 0.1721 | 0.0309 |
| 0.25 | 306 | 0.5616 | 0.2085 | 0.032 |
| 0.35 | 54 | -0.2371 | 0.233 | 0.0304 |
| 0.35 | 66 | -0.2278 | 0.1926 | 0.0303 |
| 0.35 | 78 | -0.0422 | 0.2804 | 0.03 |
| 0.35 | 282 | -0.1799 | 0.1842 | 0.0302 |
| 0.35 | 294 | -0.0599 | 0.1848 | 0.03 |
| 0.45 | 78 | 0.2702 | 0.2522 | 0.0305 |
| 0.45 | 90 | -0.1121 | 0.2249 | 0.0301 |
| 0.45 | 102 | -0.3562 | 0.1946 | 0.0308 |
| 0.45 | 270 | -0.0814 | 0.2368 | 0.03 |
| 0.45 | 282 | -0.0384 | 0.1892 | 0.03 |
| 0.45 | 294 | -0.1498 | 0.1888 | 0.0301 |
| 0.45 | 306 | -0.0826 | 0.2715 | 0.03 |
| 0.55 | 78 | 0.3551 | 0.2293 | 0.0308 |
| 0.55 | 90 | 0.0834 | 0.1678 | 0.03 |
| 0.55 | 102 | 0.0319 | 0.1637 | 0.03 |
| 0.55 | 114 | 0.327 | 0.1952 | 0.0307 |
| 0.55 | 258 | 0.0868 | 0.2221 | 0.0301 |
| 0.55 | 270 | -0.2577 | 0.2361 | 0.0304 |
| 0.55 | 282 | 0.1541 | 0.2079 | 0.0302 |
| 0.55 | 306 | -0.137 | 0.1867 | 0.0301 |
| 0.65 | 78 | 0.0688 | 0.1629 | 0.03 |
| 0.65 | 90 | 0.07 | 0.1509 | 0.03 |
| 0.65 | 102 | 0.0311 | 0.1677 | 0.03 |
| 0.65 | 114 | 0.2066 | 0.1606 | 0.0303 |
| 0.65 | 126 | -0.1091 | 0.1886 | 0.0301 |
| 0.65 | 234 | -0.1073 | 0.2442 | 0.0301 |
| 0.65 | 246 | -0.344 | 0.1663 | 0.0308 |
| 0.65 | 258 | -0.1401 | 0.1829 | 0.0301 |
| 0.65 | 270 | 0.1801 | 0.2439 | 0.0302 |
| 0.65 | 282 | -0.2581 | 0.219 | 0.0304 |
| 0.65 | 306 | 0.3155 | 0.2099 | 0.0307 |
| 0.75 | 54 | 0.2552 | 0.2095 | 0.0304 |
| 0.75 | 66 | -0.3799 | 0.168 | 0.0309 |
| 0.75 | 78 | 0.1694 | 0.1831 | 0.0302 |
| 0.75 | 90 | 0.2539 | 0.1344 | 0.0304 |
| 0.75 | 102 | 0.0208 | 0.1525 | 0.03 |
| 0.75 | 114 | 0.0683 | 0.1479 | 0.03 |
| 0.75 | 126 | 0.1286 | 0.1787 | 0.0301 |
| 0.75 | 138 | 0.1345 | 0.2743 | 0.0301 |
| 0.75 | 210 | -0.0427 | 0.2523 | 0.03 |
| 0.75 | 222 | 0.0049 | 0.1938 | 0.03 |
| 0.75 | 234 | -0.1712 | 0.1447 | 0.0302 |
| 0.75 | 246 | -0.2051 | 0.1505 | 0.0303 |
| 0.75 | 258 | 0.1215 | 0.1602 | 0.0301 |
| 0.75 | 270 | -0.1143 | 0.1805 | 0.0301 |
| 0.75 | 282 | -0.1265 | 0.2017 | 0.0301 |
| 0.85 | 54 | 0.0199 | 0.1771 | 0.03 |
| 0.85 | 66 | -0.1323 | 0.1595 | 0.0301 |
| 0.85 | 78 | 0.1267 | 0.2567 | 0.0301 |
| 0.85 | 90 | -0.1453 | 0.1645 | 0.0301 |
| 0.85 | 102 | -0.0364 | 0.14 | 0.03 |
| 0.85 | 114 | 0.0283 | 0.1671 | 0.03 |
| 0.85 | 126 | 0.0371 | 0.1795 | 0.03 |
| 0.85 | 138 | 0.1124 | 0.2422 | 0.0301 |
| 0.85 | 186 | 0.2437 | 0.2599 | 0.0304 |
| 0.85 | 198 | -0.0018 | 0.2163 | 0.03 |
| 0.85 | 210 | -0.0313 | 0.1761 | 0.03 |
| 0.85 | 222 | -0.0595 | 0.1712 | 0.03 |
| 0.85 | 234 | -0.0237 | 0.1636 | 0.03 |
| 0.85 | 246 | 0.0541 | 0.1462 | 0.03 |
| 0.85 | 258 | -0.2561 | 0.1366 | 0.0304 |
| 0.85 | 270 | -0.1559 | 0.1344 | 0.0302 |
| 0.85 | 282 | -0.1377 | 0.1506 | 0.0301 |
| 0.85 | 294 | 0.2298 | 0.1635 | 0.0303 |
| 0.85 | 306 | -0.366 | 0.1752 | 0.0309 |
| 0.95 | 54 | 0.067 | 0.2306 | 0.03 |
| 0.95 | 66 | -0.3948 | 0.2316 | 0.031 |
| 0.95 | 102 | 0.1287 | 0.2807 | 0.0301 |
| 0.95 | 114 | -0.0057 | 0.2691 | 0.03 |
| 0.95 | 126 | 0.3752 | 0.2546 | 0.0309 |
| 0.95 | 162 | -0.2726 | 0.2693 | 0.0305 |
| 0.95 | 186 | 0.004 | 0.2209 | 0.03 |
| 0.95 | 198 | 0.1254 | 0.2526 | 0.0301 |
| 0.95 | 210 | -0.1897 | 0.2263 | 0.0302 |
| 0.95 | 222 | -0.1449 | 0.2106 | 0.0301 |
| 0.95 | 234 | -0.3567 | 0.1913 | 0.0308 |
| 0.95 | 246 | 0.0185 | 0.176 | 0.03 |
| 0.95 | 258 | 0.0865 | 0.1673 | 0.03 |
| 0.95 | 270 | 0.0942 | 0.1562 | 0.0301 |
| 0.95 | 282 | 0.1049 | 0.1539 | 0.0301 |
| 0.95 | 294 | -0.0312 | 0.1313 | 0.03 |
| 0.95 | 306 | 0.0366 | 0.1528 | 0.03 |
| 0.95 | 318 | -0.3589 | 0.1522 | 0.0308 |
| 0.95 | 330 | 0.3349 | 0.2176 | 0.0307 |