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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 : | 0.101 GeV2 | |
|---|---|---|
| W : | 1625 GeV | |
| ε : | 0.917 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0941 |
|
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 | 54 | 0.0655 | 0.2295 | 0.03 |
| 0.25 | 66 | -0.4909 | 0.1999 | 0.0316 |
| 0.25 | 78 | 0.2682 | 0.2263 | 0.0305 |
| 0.25 | 270 | 0.1151 | 0.2673 | 0.0301 |
| 0.25 | 282 | 0.4199 | 0.2234 | 0.0312 |
| 0.35 | 66 | -0.1333 | 0.196 | 0.0301 |
| 0.35 | 78 | 0.1866 | 0.2241 | 0.0302 |
| 0.35 | 102 | -0.1125 | 0.2501 | 0.0301 |
| 0.35 | 114 | -0.263 | 0.2361 | 0.0305 |
| 0.35 | 126 | -0.1004 | 0.265 | 0.0301 |
| 0.35 | 258 | 0.2565 | 0.2295 | 0.0304 |
| 0.35 | 270 | -0.4651 | 0.1595 | 0.0314 |
| 0.35 | 282 | -0.1477 | 0.1969 | 0.0301 |
| 0.35 | 294 | 0.1694 | 0.24 | 0.0302 |
| 0.45 | 66 | 0.0097 | 0.2069 | 0.03 |
| 0.45 | 78 | -0.0921 | 0.2549 | 0.0301 |
| 0.45 | 102 | 0.1981 | 0.2163 | 0.0303 |
| 0.45 | 114 | 0.166 | 0.1864 | 0.0302 |
| 0.45 | 126 | 0.1306 | 0.1839 | 0.0301 |
| 0.45 | 138 | 0.3871 | 0.219 | 0.031 |
| 0.45 | 222 | 0.4196 | 0.2482 | 0.0312 |
| 0.45 | 258 | -0.3395 | 0.1715 | 0.0308 |
| 0.45 | 270 | -0.2798 | 0.1431 | 0.0305 |
| 0.45 | 282 | 0.3298 | 0.1526 | 0.0307 |
| 0.45 | 294 | -0.4628 | 0.2311 | 0.0314 |
| 0.55 | 54 | -0.1071 | 0.267 | 0.0301 |
| 0.55 | 66 | -0.4238 | 0.1754 | 0.0312 |
| 0.55 | 90 | -0.3208 | 0.1989 | 0.0307 |
| 0.55 | 102 | -0.0498 | 0.1749 | 0.03 |
| 0.55 | 114 | -0.0317 | 0.1691 | 0.03 |
| 0.55 | 126 | -0.1394 | 0.1658 | 0.0301 |
| 0.55 | 138 | -0.0252 | 0.1941 | 0.03 |
| 0.55 | 186 | -0.0459 | 0.239 | 0.03 |
| 0.55 | 198 | 0.3026 | 0.2092 | 0.0306 |
| 0.55 | 210 | 0.0584 | 0.1923 | 0.03 |
| 0.55 | 222 | 0.2191 | 0.2072 | 0.0303 |
| 0.55 | 234 | 0.1634 | 0.2013 | 0.0302 |
| 0.55 | 246 | -0.6459 | 0.1568 | 0.0327 |
| 0.55 | 258 | 0.2461 | 0.1795 | 0.0304 |
| 0.55 | 270 | -0.1074 | 0.136 | 0.0301 |
| 0.55 | 282 | -0.081 | 0.1788 | 0.03 |
| 0.65 | 54 | -0.0031 | 0.1833 | 0.03 |
| 0.65 | 66 | -0.1677 | 0.2049 | 0.0302 |
| 0.65 | 78 | -0.3325 | 0.2211 | 0.0307 |
| 0.65 | 90 | 0.2342 | 0.1993 | 0.0304 |
| 0.65 | 102 | -0.0455 | 0.1342 | 0.03 |
| 0.65 | 114 | -0.1187 | 0.1208 | 0.0301 |
| 0.65 | 126 | 0.176 | 0.1305 | 0.0302 |
| 0.65 | 138 | -0.0577 | 0.1532 | 0.03 |
| 0.65 | 150 | 0.3852 | 0.2562 | 0.031 |
| 0.65 | 162 | -0.4183 | 0.2218 | 0.0311 |
| 0.65 | 174 | -0.0606 | 0.2257 | 0.03 |
| 0.65 | 186 | 0.0687 | 0.191 | 0.03 |
| 0.65 | 198 | 0.1078 | 0.1622 | 0.0301 |
| 0.65 | 210 | 0.0534 | 0.1731 | 0.03 |
| 0.65 | 222 | 0.0473 | 0.1576 | 0.03 |
| 0.65 | 234 | 0.1345 | 0.2114 | 0.0301 |
| 0.65 | 246 | 0.0336 | 0.1989 | 0.03 |
| 0.65 | 258 | 0.0592 | 0.1914 | 0.03 |
| 0.65 | 270 | 0.2854 | 0.2088 | 0.0305 |
| 0.65 | 282 | -0.056 | 0.1858 | 0.03 |
| 0.65 | 294 | 0.0299 | 0.1606 | 0.03 |
| 0.65 | 306 | -0.4188 | 0.2381 | 0.0311 |
| 0.75 | 66 | -0.1482 | 0.2367 | 0.0301 |
| 0.75 | 78 | 0.0401 | 0.2355 | 0.03 |
| 0.75 | 90 | 0.0731 | 0.1768 | 0.03 |
| 0.75 | 102 | 0.2105 | 0.1547 | 0.0303 |
| 0.75 | 114 | -0.0213 | 0.1469 | 0.03 |
| 0.75 | 126 | -0.1313 | 0.1388 | 0.0301 |
| 0.75 | 138 | 0.0251 | 0.163 | 0.03 |
| 0.75 | 150 | 0.3472 | 0.1922 | 0.0308 |
| 0.75 | 162 | 0.1825 | 0.2503 | 0.0302 |
| 0.75 | 174 | -0.4967 | 0.1805 | 0.0316 |
| 0.75 | 186 | 0.2021 | 0.1998 | 0.0303 |
| 0.75 | 198 | -0.016 | 0.1539 | 0.03 |
| 0.75 | 210 | 0.2091 | 0.1381 | 0.0303 |
| 0.75 | 222 | -0.2864 | 0.1238 | 0.0305 |
| 0.75 | 234 | 0.0908 | 0.1503 | 0.0301 |
| 0.75 | 246 | -0.1708 | 0.1835 | 0.0302 |
| 0.75 | 258 | -0.268 | 0.207 | 0.0305 |
| 0.75 | 270 | 0.1168 | 0.182 | 0.0301 |
| 0.75 | 282 | -0.0334 | 0.1383 | 0.03 |
| 0.75 | 294 | 0.2387 | 0.1364 | 0.0304 |
| 0.85 | 78 | -0.0157 | 0.183 | 0.03 |
| 0.85 | 90 | 0.0923 | 0.1223 | 0.0301 |
| 0.85 | 102 | 0.1985 | 0.1207 | 0.0303 |
| 0.85 | 114 | -0.093 | 0.178 | 0.0301 |
| 0.85 | 126 | -0.2393 | 0.2025 | 0.0304 |
| 0.85 | 138 | -0.1111 | 0.2391 | 0.0301 |
| 0.85 | 150 | 0.2052 | 0.2419 | 0.0303 |
| 0.85 | 162 | 0.1933 | 0.2497 | 0.0302 |
| 0.85 | 174 | 0.0063 | 0.212 | 0.03 |
| 0.85 | 186 | -0.1448 | 0.1727 | 0.0301 |
| 0.85 | 198 | -0.0667 | 0.163 | 0.03 |
| 0.85 | 210 | 0.088 | 0.1402 | 0.0301 |
| 0.85 | 222 | -0.1229 | 0.1235 | 0.0301 |
| 0.85 | 234 | -0.028 | 0.1252 | 0.03 |
| 0.85 | 246 | 0.1005 | 0.1632 | 0.0301 |
| 0.85 | 258 | -0.3086 | 0.1673 | 0.0306 |
| 0.85 | 270 | -0.0835 | 0.2143 | 0.03 |
| 0.85 | 282 | 0.2956 | 0.1798 | 0.0306 |
| 0.95 | 90 | -0.047 | 0.2554 | 0.03 |
| 0.95 | 102 | 0.1197 | 0.1877 | 0.0301 |
| 0.95 | 114 | 0.2761 | 0.2426 | 0.0305 |
| 0.95 | 126 | -0.4031 | 0.2223 | 0.0311 |
| 0.95 | 174 | 0.0996 | 0.2358 | 0.0301 |
| 0.95 | 186 | -0.5541 | 0.2009 | 0.032 |
| 0.95 | 198 | 0.059 | 0.1913 | 0.03 |
| 0.95 | 210 | 0.0221 | 0.168 | 0.03 |
| 0.95 | 222 | -0.049 | 0.1745 | 0.03 |
| 0.95 | 234 | -0.1745 | 0.156 | 0.0302 |
| 0.95 | 246 | -0.0779 | 0.1647 | 0.03 |
| 0.95 | 258 | 0.4148 | 0.197 | 0.0311 |