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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 : | 0.0348 GeV2 | |
|---|---|---|
| W : | 1325 GeV | |
| ε : | 0.8936 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.1322 |
|
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 |
|---|---|---|---|---|
| 0.25 | 42 | 0.4936 | 0.2677 | 0.0316 |
| 0.25 | 54 | 0.6766 | 0.2071 | 0.0329 |
| 0.35 | 30 | -0.261 | 0.3333 | 0.0305 |
| 0.35 | 42 | -0.4463 | 0.2363 | 0.0313 |
| 0.45 | 30 | -0.1615 | 0.31 | 0.0302 |
| 0.55 | 234 | 0.6413 | 0.2266 | 0.0326 |
| 0.55 | 246 | 0.5954 | 0.1927 | 0.0323 |
| 0.55 | 258 | -0.0993 | 0.277 | 0.0301 |
| 0.55 | 270 | 0.0929 | 0.4224 | 0.0301 |
| 0.65 | 126 | 0.0204 | 0.3081 | 0.03 |
| 0.65 | 138 | 0.3758 | 0.2579 | 0.0309 |
| 0.65 | 150 | 0.4997 | 0.2552 | 0.0316 |
| 0.65 | 210 | 0.4627 | 0.298 | 0.0314 |
| 0.65 | 222 | -0.3792 | 0.2609 | 0.0309 |
| 0.65 | 234 | -0.1093 | 0.2393 | 0.0301 |
| 0.65 | 246 | -0.1438 | 0.2071 | 0.0301 |
| 0.65 | 258 | 0.4058 | 0.2412 | 0.0311 |
| 0.65 | 270 | 0.3773 | 0.2232 | 0.0309 |
| 0.75 | 114 | -0.0632 | 0.3828 | 0.03 |
| 0.75 | 126 | -0.0776 | 0.2375 | 0.03 |
| 0.75 | 138 | 0.2864 | 0.2035 | 0.0305 |
| 0.75 | 150 | 0.4015 | 0.2879 | 0.0311 |
| 0.75 | 162 | 0.1724 | 0.3142 | 0.0302 |
| 0.75 | 222 | 0.1311 | 0.2607 | 0.0301 |
| 0.75 | 234 | 0.1488 | 0.2048 | 0.0301 |
| 0.75 | 246 | 0.056 | 0.2431 | 0.03 |
| 0.75 | 258 | -0.4385 | 0.211 | 0.0313 |
| 0.75 | 270 | 0.3017 | 0.2173 | 0.0306 |
| 0.85 | 114 | -0.5532 | 0.2332 | 0.032 |
| 0.85 | 126 | -0.7389 | 0.204 | 0.0334 |
| 0.85 | 138 | -0.2198 | 0.273 | 0.0303 |
| 0.85 | 150 | -0.0694 | 0.2803 | 0.03 |
| 0.85 | 162 | -0.1709 | 0.3179 | 0.0302 |
| 0.85 | 174 | 0.2695 | 0.2862 | 0.0305 |
| 0.85 | 210 | -0.0493 | 0.3648 | 0.03 |
| 0.85 | 222 | 0.2101 | 0.2463 | 0.0303 |
| 0.85 | 234 | -0.0076 | 0.2165 | 0.03 |
| 0.85 | 246 | -0.2359 | 0.1778 | 0.0304 |
| 0.85 | 258 | -0.2336 | 0.2074 | 0.0304 |
| 0.85 | 270 | -0.1523 | 0.2598 | 0.0302 |
| 0.85 | 282 | -0.237 | 0.3284 | 0.0304 |
| 0.95 | 126 | 0.0184 | 0.3175 | 0.03 |
| 0.95 | 210 | 0.6095 | 0.2601 | 0.0324 |
| 0.95 | 234 | -0.2514 | 0.3249 | 0.0304 |
| 0.95 | 246 | 0.2032 | 0.2689 | 0.0303 |
| 0.95 | 258 | -0.3741 | 0.2667 | 0.0309 |
| 0.15 | 30 | -0.4568 | 0.2642 | 0.0314 |
| 0.15 | 42 | -0.0886 | 0.2037 | 0.0301 |
| 0.25 | 42 | -0.3086 | 0.2344 | 0.0306 |
| 0.35 | 30 | -0.0036 | 0.2738 | 0.03 |
| 0.35 | 42 | 0.3708 | 0.2643 | 0.0309 |
| 0.45 | 30 | -0.021 | 0.2167 | 0.03 |
| 0.45 | 42 | -0.0709 | 0.2681 | 0.03 |
| 0.55 | 42 | -0.0314 | 0.2867 | 0.03 |
| 0.55 | 234 | -0.1014 | 0.2459 | 0.0301 |
| 0.55 | 246 | -0.2086 | 0.2297 | 0.0303 |
| 0.55 | 258 | -0.0831 | 0.17 | 0.03 |
| 0.55 | 270 | -0.295 | 0.2551 | 0.0306 |
| 0.65 | 126 | -0.0243 | 0.2094 | 0.03 |
| 0.65 | 138 | -0.0074 | 0.213 | 0.03 |
| 0.65 | 150 | 0.1682 | 0.2457 | 0.0302 |
| 0.65 | 162 | 0.3968 | 0.2648 | 0.031 |
| 0.65 | 222 | -0.3765 | 0.2309 | 0.0309 |
| 0.65 | 234 | -0.1603 | 0.1637 | 0.0302 |
| 0.65 | 246 | 0.0776 | 0.1489 | 0.03 |
| 0.65 | 258 | -0.0483 | 0.1648 | 0.03 |
| 0.65 | 270 | 0.0503 | 0.1899 | 0.03 |
| 0.75 | 114 | 0.1628 | 0.2266 | 0.0302 |
| 0.75 | 126 | 0.1444 | 0.2029 | 0.0301 |
| 0.75 | 138 | 0.2291 | 0.1853 | 0.0303 |
| 0.75 | 150 | 0.003 | 0.21 | 0.03 |
| 0.75 | 162 | 0.0071 | 0.217 | 0.03 |
| 0.75 | 174 | -0.1441 | 0.2744 | 0.0301 |
| 0.75 | 210 | -0.4372 | 0.2564 | 0.0312 |
| 0.75 | 222 | -0.028 | 0.1798 | 0.03 |
| 0.75 | 234 | 0.0689 | 0.1633 | 0.03 |
| 0.75 | 246 | -0.175 | 0.1448 | 0.0302 |
| 0.75 | 258 | 0.1232 | 0.1532 | 0.0301 |
| 0.75 | 270 | -0.1311 | 0.1996 | 0.0301 |
| 0.85 | 114 | 0.4105 | 0.2379 | 0.0311 |
| 0.85 | 126 | -0.1203 | 0.219 | 0.0301 |
| 0.85 | 138 | 0.0326 | 0.1743 | 0.03 |
| 0.85 | 150 | -0.4721 | 0.1724 | 0.0315 |
| 0.85 | 162 | -0.0926 | 0.2082 | 0.0301 |
| 0.85 | 174 | 0.1909 | 0.2391 | 0.0302 |
| 0.85 | 186 | -0.5199 | 0.2683 | 0.0318 |
| 0.85 | 210 | 0.2031 | 0.2144 | 0.0303 |
| 0.85 | 222 | -0.1194 | 0.2176 | 0.0301 |
| 0.85 | 234 | -0.0124 | 0.1615 | 0.03 |
| 0.85 | 246 | -0.1354 | 0.1504 | 0.0301 |
| 0.85 | 258 | -0.0118 | 0.1578 | 0.03 |
| 0.85 | 270 | -0.0046 | 0.1541 | 0.03 |
| 0.85 | 282 | -0.4307 | 0.2186 | 0.0312 |
| 0.95 | 114 | -0.0258 | 0.2573 | 0.03 |
| 0.95 | 126 | 0.1969 | 0.2613 | 0.0303 |
| 0.95 | 138 | -0.132 | 0.2641 | 0.0301 |
| 0.95 | 150 | 0.1305 | 0.2803 | 0.0301 |
| 0.95 | 222 | 0.0893 | 0.2678 | 0.0301 |
| 0.95 | 234 | -0.4447 | 0.2176 | 0.0313 |
| 0.95 | 246 | -0.3574 | 0.226 | 0.0308 |
| 0.95 | 258 | 0.1459 | 0.218 | 0.0301 |