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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 : | 0.0348 GeV2 | |
|---|---|---|
| W : | 1355 GeV | |
| ε : | 0.8729 | |
| Ebeam : | 1.3383 GeV | |
| εL: | 0.1091 |
|
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 | 42 | -0.428 | 0.2628 | 0.0312 |
| 0.25 | 54 | -0.0427 | 0.2668 | 0.03 |
| 0.35 | 30 | -0.2666 | 0.2528 | 0.0305 |
| 0.35 | 42 | 0.3877 | 0.213 | 0.031 |
| 0.35 | 54 | 0.4138 | 0.2602 | 0.0311 |
| 0.45 | 18 | 0.0957 | 0.2553 | 0.0301 |
| 0.45 | 30 | 0.3937 | 0.2208 | 0.031 |
| 0.45 | 42 | -0.2629 | 0.244 | 0.0305 |
| 0.55 | 30 | 0.4875 | 0.2305 | 0.0315 |
| 0.55 | 42 | -0.2137 | 0.2383 | 0.0303 |
| 0.55 | 234 | -0.1873 | 0.2416 | 0.0302 |
| 0.55 | 246 | -0.194 | 0.1748 | 0.0302 |
| 0.55 | 258 | -0.1943 | 0.1796 | 0.0303 |
| 0.65 | 114 | -0.2861 | 0.2452 | 0.0305 |
| 0.65 | 126 | 0.033 | 0.2003 | 0.03 |
| 0.65 | 138 | 0.2228 | 0.2074 | 0.0303 |
| 0.65 | 150 | 0.0304 | 0.2507 | 0.03 |
| 0.65 | 210 | -0.102 | 0.225 | 0.0301 |
| 0.65 | 222 | -0.2508 | 0.1956 | 0.0304 |
| 0.65 | 234 | 0.1585 | 0.1655 | 0.0302 |
| 0.65 | 246 | -0.2451 | 0.1438 | 0.0304 |
| 0.65 | 258 | 0.1292 | 0.1768 | 0.0301 |
| 0.65 | 270 | -0.2043 | 0.2576 | 0.0303 |
| 0.75 | 114 | -0.0044 | 0.2388 | 0.03 |
| 0.75 | 126 | 0.2458 | 0.2027 | 0.0304 |
| 0.75 | 138 | 0.1846 | 0.1544 | 0.0302 |
| 0.75 | 150 | 0.1166 | 0.1822 | 0.0301 |
| 0.75 | 162 | 0.3143 | 0.1976 | 0.0307 |
| 0.75 | 174 | -0.1434 | 0.2563 | 0.0301 |
| 0.75 | 210 | -0.219 | 0.255 | 0.0303 |
| 0.75 | 222 | 0.1638 | 0.2 | 0.0302 |
| 0.75 | 234 | 0.1616 | 0.1542 | 0.0302 |
| 0.75 | 246 | 0.0375 | 0.1446 | 0.03 |
| 0.75 | 258 | 0.0937 | 0.1759 | 0.0301 |
| 0.75 | 270 | 0.0144 | 0.2194 | 0.03 |
| 0.85 | 114 | -0.3171 | 0.2396 | 0.0307 |
| 0.85 | 126 | -0.1734 | 0.259 | 0.0302 |
| 0.85 | 138 | -0.0615 | 0.1958 | 0.03 |
| 0.85 | 150 | 0.1475 | 0.268 | 0.0301 |
| 0.85 | 162 | -0.5717 | 0.2008 | 0.0321 |
| 0.85 | 174 | 0.3071 | 0.2527 | 0.0306 |
| 0.85 | 222 | -0.0208 | 0.1869 | 0.03 |
| 0.85 | 234 | -0.0934 | 0.1914 | 0.0301 |
| 0.85 | 246 | -0.0013 | 0.157 | 0.03 |
| 0.85 | 258 | -0.0247 | 0.1555 | 0.03 |
| 0.85 | 270 | 0.2915 | 0.1755 | 0.0306 |
| 0.95 | 114 | -0.121 | 0.239 | 0.0301 |
| 0.95 | 126 | 0.0845 | 0.2242 | 0.03 |
| 0.95 | 138 | -0.1102 | 0.2586 | 0.0301 |
| 0.95 | 222 | -0.0638 | 0.209 | 0.03 |
| 0.95 | 234 | 0.0208 | 0.2229 | 0.03 |
| 0.95 | 246 | 0.2883 | 0.2509 | 0.0305 |
| 0.95 | 258 | 0.0016 | 0.2085 | 0.03 |
| 0.15 | 42 | 0.2007 | 0.3659 | 0.0303 |
| 0.25 | 42 | 0.3759 | 0.304 | 0.0309 |
| 0.35 | 30 | -0.4823 | 0.3176 | 0.0315 |
| 0.35 | 42 | -0.4423 | 0.3174 | 0.0313 |
| 0.45 | 18 | -0.427 | 0.3013 | 0.0312 |
| 0.45 | 30 | -0.1055 | 0.3077 | 0.0301 |
| 0.45 | 42 | -0.5429 | 0.2496 | 0.0319 |
| 0.55 | 42 | 0.4272 | 0.3139 | 0.0312 |
| 0.55 | 138 | -0.1013 | 0.459 | 0.0301 |
| 0.55 | 234 | 0.5398 | 0.3258 | 0.0319 |
| 0.55 | 246 | -0.0882 | 0.3032 | 0.0301 |
| 0.55 | 258 | -0.1259 | 0.2983 | 0.0301 |
| 0.65 | 114 | 0.0218 | 0.3563 | 0.03 |
| 0.65 | 126 | 0.0093 | 0.3748 | 0.03 |
| 0.65 | 138 | -0.7776 | 0.1442 | 0.0338 |
| 0.65 | 150 | 0.3385 | 0.2708 | 0.0308 |
| 0.65 | 162 | 0.0329 | 0.328 | 0.03 |
| 0.65 | 210 | 0.2975 | 0.3121 | 0.0306 |
| 0.65 | 222 | 0.0706 | 0.3118 | 0.03 |
| 0.65 | 234 | -0.1233 | 0.2568 | 0.0301 |
| 0.65 | 246 | -0.0017 | 0.2149 | 0.03 |
| 0.65 | 258 | -0.3262 | 0.2691 | 0.0307 |
| 0.65 | 270 | 0.4119 | 0.2925 | 0.0311 |
| 0.75 | 114 | 0.0411 | 0.3075 | 0.03 |
| 0.75 | 126 | -0.0753 | 0.2873 | 0.03 |
| 0.75 | 138 | 0.1287 | 0.24 | 0.0301 |
| 0.75 | 150 | -0.4704 | 0.2982 | 0.0314 |
| 0.75 | 162 | 0.3164 | 0.2774 | 0.0307 |
| 0.75 | 210 | 0.3465 | 0.3011 | 0.0308 |
| 0.75 | 222 | -0.6798 | 0.1599 | 0.0329 |
| 0.75 | 234 | -0.0862 | 0.2116 | 0.03 |
| 0.75 | 246 | -0.0773 | 0.2114 | 0.03 |
| 0.75 | 258 | -0.6561 | 0.2088 | 0.0327 |
| 0.75 | 270 | 0.5411 | 0.2171 | 0.0319 |
| 0.85 | 126 | -0.4976 | 0.2644 | 0.0316 |
| 0.85 | 138 | -0.0438 | 0.3062 | 0.03 |
| 0.85 | 150 | 0.1899 | 0.3493 | 0.0302 |
| 0.85 | 162 | 0.2161 | 0.3498 | 0.0303 |
| 0.85 | 174 | 0.4916 | 0.2828 | 0.0316 |
| 0.85 | 210 | 0.0149 | 0.3664 | 0.03 |
| 0.85 | 222 | 0.0072 | 0.3179 | 0.03 |
| 0.85 | 234 | 0.3054 | 0.2053 | 0.0306 |
| 0.85 | 246 | 0.1277 | 0.2289 | 0.0301 |
| 0.85 | 258 | -0.1331 | 0.2131 | 0.0301 |
| 0.85 | 270 | 0.1857 | 0.2865 | 0.0302 |
| 0.95 | 126 | -0.8742 | 0.1403 | 0.0347 |
| 0.95 | 138 | -0.4884 | 0.3841 | 0.0315 |
| 0.95 | 222 | 0.36 | 0.3657 | 0.0309 |
| 0.95 | 234 | 0.508 | 0.2607 | 0.0317 |
| 0.95 | 246 | -0.3048 | 0.3358 | 0.0306 |
| 0.95 | 258 | -0.1802 | 0.3047 | 0.0302 |