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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 : | 1505 GeV | |
| ε : | 0.8662 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.1395 |
|
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 |
|---|---|---|---|---|
| 0.15 | 294 | -0.3172 | 0.2477 | 0.0307 |
| 0.25 | 54 | -0.0899 | 0.2353 | 0.0301 |
| 0.25 | 66 | -0.3384 | 0.2319 | 0.0308 |
| 0.25 | 78 | 0.3217 | 0.2375 | 0.0307 |
| 0.25 | 282 | 0.1169 | 0.248 | 0.0301 |
| 0.25 | 294 | 0.3482 | 0.2179 | 0.0308 |
| 0.25 | 306 | -0.4605 | 0.2388 | 0.0314 |
| 0.35 | 66 | -0.0258 | 0.2326 | 0.03 |
| 0.35 | 78 | -0.067 | 0.2171 | 0.03 |
| 0.35 | 270 | -0.5318 | 0.2238 | 0.0318 |
| 0.35 | 282 | 0.0637 | 0.2138 | 0.03 |
| 0.35 | 294 | 0.3325 | 0.1771 | 0.0307 |
| 0.45 | 66 | -0.1781 | 0.2329 | 0.0302 |
| 0.45 | 78 | -0.2399 | 0.1882 | 0.0304 |
| 0.45 | 90 | -0.3359 | 0.2373 | 0.0307 |
| 0.45 | 114 | -0.0575 | 0.2611 | 0.03 |
| 0.45 | 258 | 0.0931 | 0.2721 | 0.0301 |
| 0.45 | 270 | 0.2405 | 0.2298 | 0.0304 |
| 0.45 | 282 | -0.0274 | 0.21 | 0.03 |
| 0.45 | 294 | 0.3568 | 0.1955 | 0.0308 |
| 0.55 | 66 | 0.1757 | 0.2706 | 0.0302 |
| 0.55 | 78 | 0.2419 | 0.1932 | 0.0304 |
| 0.55 | 90 | 0.1505 | 0.2684 | 0.0302 |
| 0.55 | 102 | 0.1962 | 0.2631 | 0.0303 |
| 0.55 | 114 | -0.1285 | 0.2025 | 0.0301 |
| 0.55 | 126 | -0.1522 | 0.2354 | 0.0302 |
| 0.55 | 222 | -0.1138 | 0.2371 | 0.0301 |
| 0.55 | 234 | -0.1502 | 0.251 | 0.0301 |
| 0.55 | 246 | 0.0271 | 0.2504 | 0.03 |
| 0.55 | 258 | -0.0699 | 0.247 | 0.03 |
| 0.55 | 270 | -0.2575 | 0.2045 | 0.0304 |
| 0.55 | 282 | 0.1705 | 0.2001 | 0.0302 |
| 0.55 | 294 | 0.1399 | 0.2707 | 0.0301 |
| 0.65 | 54 | 0.15 | 0.2196 | 0.0301 |
| 0.65 | 66 | 0.1127 | 0.2295 | 0.0301 |
| 0.65 | 102 | -0.1425 | 0.1926 | 0.0301 |
| 0.65 | 114 | 0.1357 | 0.1851 | 0.0301 |
| 0.65 | 126 | -0.0704 | 0.1958 | 0.03 |
| 0.65 | 138 | -0.0824 | 0.2497 | 0.03 |
| 0.65 | 150 | -0.3382 | 0.2172 | 0.0308 |
| 0.65 | 210 | 0.0457 | 0.2228 | 0.03 |
| 0.65 | 222 | -0.0611 | 0.2383 | 0.03 |
| 0.65 | 234 | 0.0836 | 0.2263 | 0.03 |
| 0.65 | 246 | -0.3731 | 0.1988 | 0.0309 |
| 0.65 | 258 | 0.2412 | 0.2718 | 0.0304 |
| 0.65 | 270 | 0.3884 | 0.2196 | 0.031 |
| 0.65 | 282 | -0.3701 | 0.2796 | 0.0309 |
| 0.65 | 294 | -0.3251 | 0.2051 | 0.0307 |
| 0.65 | 306 | -0.4966 | 0.2044 | 0.0316 |
| 0.75 | 102 | 0.1538 | 0.2409 | 0.0302 |
| 0.75 | 114 | -0.1736 | 0.1962 | 0.0302 |
| 0.75 | 126 | 0.2124 | 0.1706 | 0.0303 |
| 0.75 | 138 | -0.1075 | 0.2054 | 0.0301 |
| 0.75 | 150 | 0.0537 | 0.246 | 0.03 |
| 0.75 | 198 | -0.2629 | 0.2474 | 0.0305 |
| 0.75 | 210 | -0.091 | 0.1879 | 0.0301 |
| 0.75 | 222 | -0.1414 | 0.1762 | 0.0301 |
| 0.75 | 234 | -0.2849 | 0.2275 | 0.0305 |
| 0.75 | 246 | 0.0959 | 0.1478 | 0.0301 |
| 0.75 | 258 | -0.1047 | 0.2356 | 0.0301 |
| 0.75 | 294 | 0.3169 | 0.2127 | 0.0307 |
| 0.85 | 90 | 0.1501 | 0.2136 | 0.0301 |
| 0.85 | 102 | 0.0693 | 0.221 | 0.03 |
| 0.85 | 114 | 0.1211 | 0.2411 | 0.0301 |
| 0.85 | 126 | -0.0894 | 0.253 | 0.0301 |
| 0.85 | 138 | 0.0069 | 0.2311 | 0.03 |
| 0.85 | 198 | -0.0315 | 0.2437 | 0.03 |
| 0.85 | 210 | 0.0968 | 0.2002 | 0.0301 |
| 0.85 | 222 | 0.409 | 0.1876 | 0.0311 |
| 0.85 | 234 | -0.1406 | 0.1642 | 0.0301 |
| 0.85 | 246 | -0.176 | 0.1648 | 0.0302 |
| 0.85 | 258 | 0.1267 | 0.2165 | 0.0301 |
| 0.95 | 102 | 0.5491 | 0.2321 | 0.0319 |
| 0.95 | 114 | -0.0633 | 0.261 | 0.03 |
| 0.95 | 126 | -0.045 | 0.2756 | 0.03 |
| 0.95 | 222 | -0.0143 | 0.2148 | 0.03 |
| 0.95 | 234 | -0.3499 | 0.2088 | 0.0308 |
| 0.95 | 246 | -0.5487 | 0.1646 | 0.0319 |
| 0.95 | 258 | 0.0213 | 0.1906 | 0.03 |