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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 : | 0.0593 GeV2 | |
|---|---|---|
| W : | 1355 GeV | |
| ε : | 0.9422 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1909 |
|
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 | 30 | -0.5717 | 0.2225 | 0.0321 |
| 0.15 | 42 | 0.2597 | 0.2671 | 0.0304 |
| 0.15 | 66 | -0.0904 | 0.2675 | 0.0301 |
| 0.15 | 306 | -0.1878 | 0.2387 | 0.0302 |
| 0.15 | 318 | -0.0193 | 0.2633 | 0.03 |
| 0.25 | 54 | 0.455 | 0.2236 | 0.0313 |
| 0.25 | 66 | -0.1422 | 0.1767 | 0.0301 |
| 0.25 | 78 | -0.1311 | 0.2254 | 0.0301 |
| 0.25 | 282 | 0.2291 | 0.2487 | 0.0303 |
| 0.25 | 294 | 0.0078 | 0.1673 | 0.03 |
| 0.25 | 306 | -0.0177 | 0.1993 | 0.03 |
| 0.25 | 318 | 0.0162 | 0.271 | 0.03 |
| 0.35 | 54 | 0.0166 | 0.2772 | 0.03 |
| 0.35 | 66 | -0.2588 | 0.1451 | 0.0304 |
| 0.35 | 78 | 0.4087 | 0.1423 | 0.0311 |
| 0.35 | 90 | -0.3501 | 0.2395 | 0.0308 |
| 0.35 | 270 | -0.3665 | 0.2597 | 0.0309 |
| 0.35 | 282 | 0.0091 | 0.1887 | 0.03 |
| 0.35 | 294 | 0.1887 | 0.1534 | 0.0302 |
| 0.35 | 306 | 0.0989 | 0.1709 | 0.0301 |
| 0.45 | 66 | -0.0559 | 0.1611 | 0.03 |
| 0.45 | 78 | 0.0198 | 0.1342 | 0.03 |
| 0.45 | 90 | -0.3453 | 0.1534 | 0.0308 |
| 0.45 | 270 | 0.0414 | 0.1902 | 0.03 |
| 0.45 | 282 | -0.1881 | 0.1636 | 0.0302 |
| 0.45 | 294 | -0.1574 | 0.1336 | 0.0302 |
| 0.45 | 306 | -0.3278 | 0.177 | 0.0307 |
| 0.55 | 66 | 0.2146 | 0.1769 | 0.0303 |
| 0.55 | 78 | -0.3766 | 0.1299 | 0.0309 |
| 0.55 | 90 | -0.1483 | 0.1479 | 0.0301 |
| 0.55 | 102 | -0.0322 | 0.2465 | 0.03 |
| 0.55 | 234 | -0.0598 | 0.2636 | 0.03 |
| 0.55 | 246 | 0.4865 | 0.2383 | 0.0315 |
| 0.55 | 258 | 0.1829 | 0.2051 | 0.0302 |
| 0.55 | 270 | -0.127 | 0.1656 | 0.0301 |
| 0.55 | 282 | -0.2062 | 0.161 | 0.0303 |
| 0.55 | 294 | 0.0205 | 0.2123 | 0.03 |
| 0.65 | 66 | -0.0365 | 0.2359 | 0.03 |
| 0.65 | 78 | 0.1091 | 0.1568 | 0.0301 |
| 0.65 | 90 | -0.0569 | 0.1942 | 0.03 |
| 0.65 | 102 | -0.1963 | 0.1507 | 0.0303 |
| 0.65 | 114 | -0.0275 | 0.1771 | 0.03 |
| 0.65 | 126 | 0.2235 | 0.1585 | 0.0303 |
| 0.65 | 138 | -0.1758 | 0.1855 | 0.0302 |
| 0.65 | 222 | 0.4103 | 0.1972 | 0.0311 |
| 0.65 | 234 | -0.1234 | 0.1689 | 0.0301 |
| 0.65 | 246 | 0.0761 | 0.1544 | 0.03 |
| 0.65 | 258 | 0.0963 | 0.1291 | 0.0301 |
| 0.65 | 270 | 0.0817 | 0.174 | 0.03 |
| 0.65 | 282 | -0.3057 | 0.1532 | 0.0306 |
| 0.65 | 294 | 0.2402 | 0.2779 | 0.0304 |
| 0.75 | 78 | 0.1064 | 0.205 | 0.0301 |
| 0.75 | 90 | 0.0652 | 0.2204 | 0.03 |
| 0.75 | 102 | -0.1696 | 0.1423 | 0.0302 |
| 0.75 | 114 | -0.1168 | 0.1199 | 0.0301 |
| 0.75 | 126 | -0.061 | 0.142 | 0.03 |
| 0.75 | 138 | -0.1629 | 0.1559 | 0.0302 |
| 0.75 | 150 | 0.1218 | 0.2076 | 0.0301 |
| 0.75 | 162 | -0.2449 | 0.2206 | 0.0304 |
| 0.75 | 210 | -0.0384 | 0.2137 | 0.03 |
| 0.75 | 222 | -0.1938 | 0.1553 | 0.0302 |
| 0.75 | 234 | -0.1281 | 0.1449 | 0.0301 |
| 0.75 | 246 | -0.3207 | 0.1292 | 0.0307 |
| 0.75 | 258 | -0.0333 | 0.1453 | 0.03 |
| 0.75 | 270 | -0.1353 | 0.1476 | 0.0301 |
| 0.75 | 282 | -0.0021 | 0.1981 | 0.03 |
| 0.85 | 102 | -0.0339 | 0.2061 | 0.03 |
| 0.85 | 114 | -0.3446 | 0.1335 | 0.0308 |
| 0.85 | 126 | -0.0883 | 0.1268 | 0.0301 |
| 0.85 | 138 | 0.1185 | 0.1378 | 0.0301 |
| 0.85 | 150 | 0.2842 | 0.1821 | 0.0305 |
| 0.85 | 162 | 0.4364 | 0.2058 | 0.0312 |
| 0.85 | 174 | 0.2135 | 0.2721 | 0.0303 |
| 0.85 | 186 | -0.0318 | 0.2554 | 0.03 |
| 0.85 | 198 | -0.773 | 0.1487 | 0.0337 |
| 0.85 | 210 | -0.2468 | 0.2207 | 0.0304 |
| 0.85 | 222 | 0.0945 | 0.1627 | 0.0301 |
| 0.85 | 234 | 0.1442 | 0.1257 | 0.0301 |
| 0.85 | 246 | -0.1168 | 0.1266 | 0.0301 |
| 0.85 | 258 | -0.0685 | 0.1303 | 0.03 |
| 0.85 | 270 | -0.0117 | 0.1545 | 0.03 |
| 0.95 | 114 | 0.1697 | 0.2694 | 0.0302 |
| 0.95 | 138 | 0.2476 | 0.2552 | 0.0304 |
| 0.95 | 150 | 0.158 | 0.2263 | 0.0302 |
| 0.95 | 198 | 0.5147 | 0.2452 | 0.0317 |
| 0.95 | 210 | 0.42 | 0.2065 | 0.0312 |
| 0.95 | 222 | -0.143 | 0.2134 | 0.0301 |
| 0.95 | 234 | -0.2804 | 0.1898 | 0.0305 |
| 0.95 | 246 | -0.1569 | 0.1868 | 0.0302 |
| 0.95 | 258 | -0.0878 | 0.19 | 0.0301 |