Measurement E151M2797
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0534 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.7955 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 30.0 | 0.4057 | 0.3256 |
| 0.25 | 42.0 | 0.4335 | 0.181 |
| 0.35 | 30.0 | -0.2772 | 0.362 |
| 0.35 | 42.0 | -0.0147 | 0.2007 |
| 0.35 | 54.0 | 0.0812 | 0.2025 |
| 0.45 | 18.0 | 0.2036 | 0.193 |
| 0.45 | 30.0 | -0.0523 | 0.1757 |
| 0.45 | 42.0 | 0.0486 | 0.1748 |
| 0.45 | 138.0 | -0.2842 | 0.2973 |
| 0.45 | 222.0 | 0.1884 | 0.2471 |
| 0.45 | 234.0 | -0.1974 | 0.1852 |
| 0.55 | 30.0 | 0.0255 | 0.1777 |
| 0.55 | 42.0 | -0.0224 | 0.1887 |
| 0.55 | 126.0 | 0.0205 | 0.2173 |
| 0.55 | 138.0 | 0.4029 | 0.1489 |
| 0.55 | 150.0 | -0.1987 | 0.2301 |
| 0.55 | 162.0 | 0.0783 | 0.2172 |
| 0.55 | 210.0 | -0.1618 | 0.1958 |
| 0.55 | 222.0 | -0.2377 | 0.1554 |
| 0.55 | 234.0 | -0.1242 | 0.1568 |
| 0.55 | 246.0 | 0.1047 | 0.1793 |
| 0.65 | 126.0 | 0.034 | 0.3133 |
| 0.65 | 138.0 | 0.0806 | 0.2554 |
| 0.65 | 150.0 | 0.0476 | 0.2957 |
| 0.65 | 162.0 | -0.11 | 0.3746 |
| 0.65 | 198.0 | 0.1297 | 0.397 |
| 0.65 | 210.0 | 0.1455 | 0.316 |
| 0.65 | 222.0 | 0.0083 | 0.2433 |
| 0.65 | 234.0 | 0.1962 | 0.2454 |
| 0.65 | 246.0 | -0.1399 | 0.2282 |
| 0.65 | 258.0 | -0.1485 | 0.3373 |
| 0.75 | 126.0 | 0.1647 | 0.3307 |
| 0.75 | 138.0 | -0.3508 | 0.2301 |
| 0.75 | 150.0 | -0.3099 | 0.325 |
| 0.75 | 210.0 | -0.1087 | 0.3277 |
| 0.75 | 222.0 | -0.2477 | 0.3037 |
| 0.75 | 234.0 | -0.3243 | 0.2292 |
| 0.75 | 246.0 | -0.0517 | 0.2558 |
| 0.75 | 258.0 | 0.408 | 0.2958 |
| 0.85 | 114.0 | -0.1615 | 0.3217 |
| 0.85 | 126.0 | -0.2932 | 0.3601 |
| 0.85 | 198.0 | 0.5856 | 0.2621 |
| 0.85 | 210.0 | 0.2212 | 0.358 |
| 0.85 | 222.0 | 0.0898 | 0.2688 |
| 0.85 | 234.0 | -0.0502 | 0.27 |
| 0.85 | 246.0 | -0.2407 | 0.2559 |
| 0.85 | 258.0 | 0.1434 | 0.2864 |
| 0.95 | 210.0 | 0.3248 | 0.3848 |
| 0.95 | 234.0 | 0.2451 | 0.363 |
| 0.95 | 246.0 | 0.4236 | 0.271 |
| 0.95 | 258.0 | 0.4545 | 0.2776 |
| 0.55 | 258.0 | -0.0517 | 0.2745 |
| 0.65 | 126.0 | -0.1908 | 0.1894 |
| 0.65 | 138.0 | -0.2621 | 0.1819 |
| 0.65 | 150.0 | 0.1452 | 0.2404 |
| 0.65 | 162.0 | -0.1921 | 0.2579 |
| 0.65 | 198.0 | 0.0853 | 0.2744 |
| 0.65 | 210.0 | 0.0635 | 0.2896 |
| 0.65 | 222.0 | 0.0021 | 0.1897 |
| 0.65 | 234.0 | -0.1177 | 0.193 |
| 0.65 | 246.0 | -0.3133 | 0.1772 |
| 0.65 | 258.0 | 0.3947 | 0.2314 |
| 0.75 | 126.0 | 0.1993 | 0.2085 |
| 0.75 | 138.0 | 0.1073 | 0.1723 |
| 0.75 | 150.0 | 0.0637 | 0.2662 |
| 0.75 | 198.0 | 0.065 | 0.2802 |
| 0.75 | 210.0 | 0.0333 | 0.2559 |
| 0.75 | 222.0 | 0.3289 | 0.201 |
| 0.75 | 234.0 | 0.2706 | 0.1688 |
| 0.75 | 246.0 | 0.0705 | 0.1808 |
| 0.75 | 258.0 | -0.0788 | 0.2374 |
| 0.85 | 114.0 | -0.0354 | 0.2455 |
| 0.85 | 126.0 | -0.0605 | 0.2252 |
| 0.85 | 138.0 | 0.1456 | 0.2654 |
| 0.85 | 210.0 | -0.1912 | 0.2725 |
| 0.85 | 222.0 | -0.0891 | 0.2359 |
| 0.85 | 234.0 | 0.138 | 0.1809 |
| 0.85 | 246.0 | -0.0831 | 0.179 |
| 0.85 | 258.0 | 0.1059 | 0.1847 |
| 0.95 | 126.0 | 0.1915 | 0.2616 |
| 0.95 | 234.0 | 0.0995 | 0.273 |
| 0.95 | 246.0 | -0.451 | 0.2301 |
Experiment comment: