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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 : | 0.1435 GeV2 | |
|---|---|---|
| W : | 1385 GeV | |
| ε : | 0.9311 | |
| Ebeam : | 2.2596 GeV | |
| εL: | 0.3372 |
|
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 | 66 | 0.0027 | 0.2435 | 0.03 |
| 0.25 | 294 | -0.0149 | 0.1768 | 0.0301 |
| 0.35 | 66 | -0.2937 | 0.2391 | 0.0306 |
| 0.35 | 78 | -0.5243 | 0.2229 | 0.0318 |
| 0.45 | 66 | 0.0627 | 0.2286 | 0.03 |
| 0.45 | 294 | -0.093 | 0.2452 | 0.0301 |
| 0.55 | 66 | 0.0674 | 0.2585 | 0.03 |
| 0.55 | 270 | -0.0022 | 0.2603 | 0.03 |
| 0.55 | 282 | -0.4636 | 0.2393 | 0.0314 |
| 0.65 | 102 | 0.0066 | 0.2017 | 0.03 |
| 0.65 | 114 | 0.1595 | 0.225 | 0.0302 |
| 0.65 | 126 | 0.0987 | 0.2658 | 0.0301 |
| 0.65 | 246 | 0.0381 | 0.2395 | 0.03 |
| 0.65 | 258 | 0.233 | 0.2472 | 0.0304 |
| 0.65 | 270 | 0.2105 | 0.2087 | 0.0303 |
| 0.75 | 90 | 0.2461 | 0.2112 | 0.0304 |
| 0.75 | 102 | 0.0974 | 0.2102 | 0.0301 |
| 0.75 | 114 | -0.1452 | 0.2142 | 0.0301 |
| 0.75 | 126 | -0.2915 | 0.1919 | 0.0306 |
| 0.75 | 222 | 0.6229 | 0.2014 | 0.0325 |
| 0.75 | 234 | 0.0667 | 0.1977 | 0.03 |
| 0.75 | 246 | -0.1604 | 0.2178 | 0.0302 |
| 0.75 | 258 | 0.1063 | 0.1736 | 0.0301 |
| 0.75 | 270 | 0.132 | 0.25 | 0.0301 |
| 0.75 | 282 | 0.0108 | 0.2441 | 0.03 |
| 0.85 | 90 | 0.329 | 0.2228 | 0.0307 |
| 0.85 | 102 | 0.1259 | 0.1943 | 0.0301 |
| 0.85 | 114 | 0.1117 | 0.1926 | 0.0301 |
| 0.85 | 126 | 0.0363 | 0.1799 | 0.03 |
| 0.85 | 138 | -0.1482 | 0.2252 | 0.0301 |
| 0.85 | 210 | -0.5628 | 0.2215 | 0.032 |
| 0.85 | 222 | 0.0378 | 0.2181 | 0.03 |
| 0.85 | 234 | -0.2232 | 0.2106 | 0.0303 |
| 0.85 | 246 | -0.131 | 0.1932 | 0.0301 |
| 0.85 | 258 | 0.1062 | 0.1899 | 0.0301 |
| 0.85 | 270 | 0.0251 | 0.1715 | 0.03 |
| 0.85 | 282 | 0.1761 | 0.2143 | 0.0302 |
| 0.85 | 294 | -0.0125 | 0.2535 | 0.03 |
| 0.95 | 138 | -0.3781 | 0.2322 | 0.0309 |
| 0.95 | 222 | 0.3844 | 0.2424 | 0.031 |
| 0.95 | 234 | -0.1409 | 0.2443 | 0.0301 |
| 0.95 | 246 | 0.1058 | 0.2224 | 0.0301 |
| 0.95 | 258 | 0.2777 | 0.206 | 0.0305 |
| 0.95 | 270 | -0.0431 | 0.2056 | 0.03 |
| 0.95 | 282 | -0.2305 | 0.1926 | 0.0304 |
| 0.35 | 282 | -0.3829 | 0.2509 | 0.031 |
| 0.35 | 294 | -0.2435 | 0.2111 | 0.0304 |
| 0.45 | 66 | -0.3508 | 0.2357 | 0.0308 |
| 0.45 | 282 | 0.2298 | 0.2392 | 0.0304 |
| 0.65 | 102 | -0.0657 | 0.2188 | 0.03 |
| 0.65 | 246 | 0.5158 | 0.2302 | 0.0317 |
| 0.65 | 258 | 0.2904 | 0.2279 | 0.0306 |
| 0.65 | 270 | -0.0101 | 0.2528 | 0.03 |
| 0.75 | 90 | 0.248 | 0.2312 | 0.0304 |
| 0.75 | 102 | 0.1284 | 0.1831 | 0.0301 |
| 0.75 | 114 | -0.0395 | 0.2114 | 0.03 |
| 0.75 | 126 | 0.1074 | 0.2361 | 0.0301 |
| 0.75 | 246 | -0.2969 | 0.2099 | 0.0306 |
| 0.75 | 258 | 0.1774 | 0.1977 | 0.0302 |
| 0.75 | 270 | 0.1822 | 0.1998 | 0.0302 |
| 0.85 | 78 | 0.7445 | 0.1995 | 0.0335 |
| 0.85 | 102 | -0.139 | 0.1948 | 0.0301 |
| 0.85 | 114 | 0.0691 | 0.1894 | 0.03 |
| 0.85 | 126 | 0.1412 | 0.2448 | 0.0301 |
| 0.85 | 138 | 0.0329 | 0.243 | 0.03 |
| 0.85 | 222 | -0.0544 | 0.2243 | 0.03 |
| 0.85 | 234 | 0.3402 | 0.2415 | 0.0308 |
| 0.85 | 246 | 0.1595 | 0.2032 | 0.0302 |
| 0.85 | 258 | -0.0076 | 0.2021 | 0.03 |
| 0.85 | 270 | -0.2217 | 0.1664 | 0.0303 |
| 0.85 | 282 | -0.202 | 0.208 | 0.0303 |
| 0.95 | 126 | 0.1827 | 0.2565 | 0.0302 |
| 0.95 | 138 | -0.1701 | 0.2594 | 0.0302 |
| 0.95 | 246 | 0.0933 | 0.2391 | 0.0301 |
| 0.95 | 258 | -0.2855 | 0.2262 | 0.0305 |
| 0.95 | 270 | -0.018 | 0.1983 | 0.03 |
| 0.95 | 282 | -0.1363 | 0.2446 | 0.0301 |