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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 : | 1685 GeV | |
| ε : | 0.8969 | |
| Ebeam : | 2.999 GeV | |
| εL: | 0.0751 |
|
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 | 66 | 0.1688 | 0.2668 | 0.0302 |
| 0.25 | 18 | -0.0567 | 0.2659 | 0.03 |
| 0.25 | 66 | -0.4475 | 0.1971 | 0.0313 |
| 0.25 | 78 | -0.4681 | 0.2225 | 0.0314 |
| 0.25 | 270 | -0.0677 | 0.2428 | 0.03 |
| 0.25 | 282 | 0.4265 | 0.229 | 0.0312 |
| 0.35 | 66 | -0.245 | 0.2072 | 0.0304 |
| 0.35 | 78 | -0.1171 | 0.2262 | 0.0301 |
| 0.35 | 258 | -0.3049 | 0.1887 | 0.0306 |
| 0.35 | 270 | 0.0625 | 0.1953 | 0.03 |
| 0.35 | 282 | 0.047 | 0.1674 | 0.03 |
| 0.35 | 294 | 0.1791 | 0.2595 | 0.0302 |
| 0.45 | 66 | -0.2009 | 0.2045 | 0.0303 |
| 0.45 | 78 | 0.3529 | 0.1815 | 0.0308 |
| 0.45 | 90 | -0.0446 | 0.26 | 0.03 |
| 0.45 | 102 | -0.0639 | 0.2699 | 0.03 |
| 0.45 | 114 | 0.0183 | 0.2041 | 0.03 |
| 0.45 | 126 | -0.099 | 0.1902 | 0.0301 |
| 0.45 | 138 | -0.3434 | 0.2291 | 0.0308 |
| 0.45 | 210 | 0.0386 | 0.2267 | 0.03 |
| 0.45 | 222 | -0.0262 | 0.2646 | 0.03 |
| 0.45 | 246 | -0.1388 | 0.2202 | 0.0301 |
| 0.45 | 258 | 0.1229 | 0.193 | 0.0301 |
| 0.45 | 270 | -0.1005 | 0.1661 | 0.0301 |
| 0.45 | 282 | 0.3929 | 0.161 | 0.031 |
| 0.45 | 294 | -0.1039 | 0.2658 | 0.0301 |
| 0.55 | 54 | 0.0118 | 0.2442 | 0.03 |
| 0.55 | 66 | 0.3304 | 0.2076 | 0.0307 |
| 0.55 | 78 | 0.4537 | 0.2095 | 0.0313 |
| 0.55 | 90 | 0.3036 | 0.2153 | 0.0306 |
| 0.55 | 102 | -0.2587 | 0.1825 | 0.0304 |
| 0.55 | 114 | -0.0251 | 0.153 | 0.03 |
| 0.55 | 126 | -0.1991 | 0.1665 | 0.0303 |
| 0.55 | 138 | 0.3304 | 0.1969 | 0.0307 |
| 0.55 | 174 | -0.0785 | 0.2717 | 0.03 |
| 0.55 | 186 | -0.0281 | 0.1932 | 0.03 |
| 0.55 | 198 | 0.2737 | 0.2071 | 0.0305 |
| 0.55 | 210 | -0.1791 | 0.2074 | 0.0302 |
| 0.55 | 222 | -0.2319 | 0.2222 | 0.0304 |
| 0.55 | 234 | -0.2443 | 0.2083 | 0.0304 |
| 0.55 | 246 | 0.0418 | 0.2441 | 0.03 |
| 0.55 | 258 | 0.1151 | 0.1763 | 0.0301 |
| 0.55 | 270 | -0.162 | 0.1517 | 0.0302 |
| 0.55 | 282 | -0.0492 | 0.19 | 0.03 |
| 0.55 | 294 | 0.0461 | 0.2737 | 0.03 |
| 0.65 | 42 | 0.1532 | 0.2188 | 0.0302 |
| 0.65 | 54 | 0.0662 | 0.1896 | 0.03 |
| 0.65 | 66 | 0.3709 | 0.2003 | 0.0309 |
| 0.65 | 78 | 0.2397 | 0.2739 | 0.0304 |
| 0.65 | 102 | 0.2837 | 0.1582 | 0.0305 |
| 0.65 | 114 | -0.0079 | 0.1391 | 0.03 |
| 0.65 | 126 | 0.2953 | 0.1304 | 0.0306 |
| 0.65 | 138 | 0.0679 | 0.1848 | 0.03 |
| 0.65 | 150 | -0.1387 | 0.2053 | 0.0301 |
| 0.65 | 162 | 0.0026 | 0.2572 | 0.03 |
| 0.65 | 174 | -0.0925 | 0.2075 | 0.0301 |
| 0.65 | 186 | -0.327 | 0.1843 | 0.0307 |
| 0.65 | 198 | -0.1463 | 0.1743 | 0.0301 |
| 0.65 | 210 | -0.2477 | 0.1761 | 0.0304 |
| 0.65 | 222 | -0.3782 | 0.1487 | 0.0309 |
| 0.65 | 234 | -0.1335 | 0.1801 | 0.0301 |
| 0.65 | 246 | -0.4384 | 0.1907 | 0.0313 |
| 0.65 | 258 | -0.123 | 0.2143 | 0.0301 |
| 0.65 | 270 | 0.4725 | 0.177 | 0.0315 |
| 0.65 | 282 | 0.168 | 0.1794 | 0.0302 |
| 0.65 | 294 | -0.1687 | 0.1539 | 0.0302 |
| 0.75 | 54 | 0.1165 | 0.2643 | 0.0301 |
| 0.75 | 66 | -0.1918 | 0.2417 | 0.0302 |
| 0.75 | 78 | -0.0095 | 0.2191 | 0.03 |
| 0.75 | 90 | -0.0747 | 0.1652 | 0.03 |
| 0.75 | 102 | 0.1062 | 0.1556 | 0.0301 |
| 0.75 | 114 | 0.0128 | 0.1666 | 0.03 |
| 0.75 | 126 | 0.0761 | 0.1599 | 0.03 |
| 0.75 | 138 | 0.0127 | 0.1723 | 0.03 |
| 0.75 | 150 | 0.0243 | 0.2435 | 0.03 |
| 0.75 | 162 | -0.5007 | 0.2118 | 0.0316 |
| 0.75 | 174 | 0.4688 | 0.198 | 0.0314 |
| 0.75 | 186 | -0.0234 | 0.1907 | 0.03 |
| 0.75 | 198 | -0.053 | 0.1648 | 0.03 |
| 0.75 | 210 | 0.1671 | 0.1495 | 0.0302 |
| 0.75 | 222 | -0.0547 | 0.1396 | 0.03 |
| 0.75 | 234 | -0.2174 | 0.1602 | 0.0303 |
| 0.75 | 246 | 0.2369 | 0.1759 | 0.0304 |
| 0.75 | 258 | -0.1511 | 0.1945 | 0.0302 |
| 0.75 | 270 | 0.1307 | 0.1442 | 0.0301 |
| 0.75 | 282 | 0.2616 | 0.1443 | 0.0305 |
| 0.75 | 294 | 0.0162 | 0.1635 | 0.03 |
| 0.85 | 78 | -0.2522 | 0.2382 | 0.0304 |
| 0.85 | 90 | -0.0376 | 0.1333 | 0.03 |
| 0.85 | 102 | 0.0258 | 0.1278 | 0.03 |
| 0.85 | 114 | 0.1131 | 0.1342 | 0.0301 |
| 0.85 | 126 | 0.3425 | 0.2236 | 0.0308 |
| 0.85 | 138 | 0.1772 | 0.2533 | 0.0302 |
| 0.85 | 150 | -0.3857 | 0.2281 | 0.031 |
| 0.85 | 162 | 0.3133 | 0.1937 | 0.0306 |
| 0.85 | 174 | 0.3805 | 0.1899 | 0.031 |
| 0.85 | 186 | 0.1567 | 0.1529 | 0.0302 |
| 0.85 | 198 | -0.1627 | 0.1403 | 0.0302 |
| 0.85 | 210 | -0.059 | 0.138 | 0.03 |
| 0.85 | 222 | 0.0676 | 0.1387 | 0.03 |
| 0.85 | 234 | -0.0875 | 0.1526 | 0.0301 |
| 0.85 | 246 | -0.065 | 0.1783 | 0.03 |
| 0.85 | 258 | -0.1717 | 0.2285 | 0.0302 |
| 0.85 | 270 | -0.0012 | 0.2131 | 0.03 |
| 0.85 | 282 | 0.2466 | 0.1808 | 0.0304 |
| 0.85 | 294 | -0.279 | 0.2655 | 0.0305 |
| 0.95 | 102 | 0.0393 | 0.2355 | 0.03 |
| 0.95 | 114 | 0.0706 | 0.2284 | 0.03 |
| 0.95 | 126 | -0.4277 | 0.2333 | 0.0312 |
| 0.95 | 186 | -0.2954 | 0.223 | 0.0306 |
| 0.95 | 198 | -0.3117 | 0.1883 | 0.0306 |
| 0.95 | 210 | -0.0303 | 0.1617 | 0.03 |
| 0.95 | 222 | -0.1203 | 0.1449 | 0.0301 |
| 0.95 | 234 | -0.203 | 0.1914 | 0.0303 |
| 0.95 | 246 | 0.1049 | 0.2374 | 0.0301 |
| 0.95 | 258 | -0.4484 | 0.2337 | 0.0313 |