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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 : | 0.0415 GeV2 | |
|---|---|---|
| W : | 1625 GeV | |
| ε : | 0.8087 | |
| Ebeam : | 1.9889 GeV | |
| εL: | 0.0364 |
|
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 | 78 | -0.0178 | 0.2789 | 0.03 |
| 0.35 | 78 | -0.5671 | 0.2087 | 0.0321 |
| 0.35 | 258 | -0.4395 | 0.235 | 0.0313 |
| 0.45 | 18 | 0.0174 | 0.2711 | 0.03 |
| 0.45 | 78 | 0.1133 | 0.232 | 0.0301 |
| 0.45 | 90 | 0.082 | 0.2472 | 0.03 |
| 0.45 | 210 | 0.5856 | 0.229 | 0.0322 |
| 0.45 | 222 | -0.2667 | 0.23 | 0.0305 |
| 0.45 | 270 | -0.4999 | 0.19 | 0.0316 |
| 0.45 | 282 | 0.1962 | 0.2375 | 0.0303 |
| 0.55 | 114 | 0.3535 | 0.2192 | 0.0308 |
| 0.55 | 126 | -0.228 | 0.208 | 0.0303 |
| 0.55 | 138 | -0.3063 | 0.2394 | 0.0306 |
| 0.55 | 198 | 0.5154 | 0.2262 | 0.0317 |
| 0.55 | 210 | 0.0129 | 0.2733 | 0.03 |
| 0.55 | 222 | 0.1987 | 0.2407 | 0.0303 |
| 0.55 | 234 | 0.3644 | 0.2485 | 0.0309 |
| 0.55 | 246 | -0.2288 | 0.2696 | 0.0303 |
| 0.55 | 258 | 0.0131 | 0.2297 | 0.03 |
| 0.55 | 270 | -0.0069 | 0.1829 | 0.03 |
| 0.55 | 282 | 0.3692 | 0.2397 | 0.0309 |
| 0.65 | 78 | 0.0706 | 0.2633 | 0.03 |
| 0.65 | 102 | 0.3185 | 0.2641 | 0.0307 |
| 0.65 | 114 | -0.3674 | 0.2153 | 0.0309 |
| 0.65 | 126 | 0.349 | 0.2076 | 0.0308 |
| 0.65 | 138 | -0.0387 | 0.2357 | 0.03 |
| 0.65 | 198 | 0.0021 | 0.235 | 0.03 |
| 0.65 | 210 | 0.1714 | 0.2318 | 0.0302 |
| 0.65 | 222 | -0.3919 | 0.1984 | 0.031 |
| 0.65 | 234 | -0.2994 | 0.2589 | 0.0306 |
| 0.65 | 246 | -0.0225 | 0.2721 | 0.03 |
| 0.65 | 258 | 0.196 | 0.2568 | 0.0303 |
| 0.65 | 282 | 0.2808 | 0.2729 | 0.0305 |
| 0.65 | 294 | 0.1094 | 0.2956 | 0.0301 |
| 0.75 | 66 | 0.1943 | 0.2643 | 0.0303 |
| 0.75 | 78 | -0.2648 | 0.2103 | 0.0305 |
| 0.75 | 90 | -0.3143 | 0.2245 | 0.0307 |
| 0.75 | 138 | 0.2632 | 0.2706 | 0.0305 |
| 0.75 | 210 | -0.4088 | 0.1935 | 0.0311 |
| 0.75 | 222 | -0.1128 | 0.1941 | 0.0301 |
| 0.75 | 234 | -0.2231 | 0.2704 | 0.0303 |
| 0.75 | 258 | -0.1321 | 0.2104 | 0.0301 |
| 0.75 | 270 | -0.2939 | 0.187 | 0.0306 |
| 0.75 | 282 | -0.2978 | 0.179 | 0.0306 |
| 0.75 | 294 | 0.419 | 0.2563 | 0.0311 |
| 0.85 | 102 | 0.1935 | 0.2468 | 0.0302 |
| 0.85 | 114 | -0.1444 | 0.1887 | 0.0301 |
| 0.85 | 126 | -0.2754 | 0.2136 | 0.0305 |
| 0.85 | 138 | 0.1189 | 0.2472 | 0.0301 |
| 0.85 | 198 | 0.2285 | 0.2855 | 0.0303 |
| 0.85 | 210 | -0.3478 | 0.2191 | 0.0308 |
| 0.85 | 222 | -0.1406 | 0.2177 | 0.0301 |
| 0.85 | 234 | 0.1618 | 0.2466 | 0.0302 |
| 0.85 | 246 | 0.0545 | 0.2575 | 0.03 |
| 0.85 | 282 | 0.3401 | 0.2234 | 0.0308 |