Measurement E151M3462
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5285 | |
| Q2: | 0.348 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9317 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 66.0 | 0.0283 | 0.2842 |
| 0.15 | 54.0 | 0.3083 | 0.2496 |
| 0.15 | 66.0 | 0.3089 | 0.2175 |
| 0.15 | 294.0 | 0.0074 | 0.2596 |
| 0.15 | 306.0 | 0.2456 | 0.2513 |
| 0.25 | 54.0 | -0.4761 | 0.2418 |
| 0.25 | 66.0 | -0.2369 | 0.2418 |
| 0.25 | 282.0 | -0.3466 | 0.2371 |
| 0.35 | 294.0 | 0.33 | 0.2225 |
| 0.45 | 90.0 | 0.1084 | 0.25 |
| 0.45 | 102.0 | -0.3539 | 0.2458 |
| 0.45 | 282.0 | 0.0096 | 0.2666 |
| 0.45 | 294.0 | 0.3595 | 0.2394 |
| 0.55 | 78.0 | -0.1018 | 0.2103 |
| 0.55 | 90.0 | -0.028 | 0.2114 |
| 0.55 | 102.0 | 0.1101 | 0.201 |
| 0.55 | 270.0 | 0.2934 | 0.2362 |
| 0.65 | 78.0 | 0.165 | 0.186 |
| 0.65 | 90.0 | -0.2343 | 0.1468 |
| 0.65 | 102.0 | 0.0995 | 0.1605 |
| 0.65 | 114.0 | -0.1011 | 0.2507 |
| 0.65 | 246.0 | 0.1508 | 0.2506 |
| 0.65 | 258.0 | -0.353 | 0.2083 |
| 0.65 | 270.0 | 0.2515 | 0.237 |
| 0.65 | 282.0 | -0.2301 | 0.249 |
| 0.75 | 54.0 | -0.1572 | 0.2096 |
| 0.75 | 78.0 | -0.1043 | 0.172 |
| 0.75 | 90.0 | 0.1485 | 0.1662 |
| 0.75 | 102.0 | -0.1584 | 0.1698 |
| 0.75 | 114.0 | -0.1693 | 0.2026 |
| 0.75 | 126.0 | 0.2641 | 0.2556 |
| 0.75 | 234.0 | -0.2594 | 0.2041 |
| 0.75 | 246.0 | -0.2072 | 0.1808 |
| 0.75 | 258.0 | -0.0664 | 0.1573 |
| 0.75 | 270.0 | 0.1178 | 0.1782 |
| 0.75 | 282.0 | 0.2818 | 0.175 |
| 0.75 | 294.0 | 0.3232 | 0.2236 |
| 0.85 | 42.0 | -0.1586 | 0.2359 |
| 0.85 | 54.0 | -0.0526 | 0.1773 |
| 0.85 | 78.0 | 0.2321 | 0.1823 |
| 0.85 | 90.0 | -0.0264 | 0.1683 |
| 0.85 | 102.0 | -0.0012 | 0.1788 |
| 0.85 | 114.0 | 0.4685 | 0.1473 |
| 0.85 | 126.0 | 0.2001 | 0.204 |
| 0.85 | 138.0 | -0.1524 | 0.2546 |
| 0.85 | 198.0 | -0.4194 | 0.2309 |
| 0.85 | 210.0 | -0.1469 | 0.2184 |
| 0.85 | 222.0 | -0.0053 | 0.1996 |
| 0.85 | 234.0 | 0.0107 | 0.1838 |
| 0.85 | 246.0 | -0.3002 | 0.153 |
| 0.85 | 258.0 | -0.2881 | 0.1728 |
| 0.85 | 270.0 | -0.1928 | 0.1597 |
| 0.85 | 282.0 | -0.0345 | 0.1594 |
| 0.85 | 294.0 | 0.1959 | 0.1455 |
| 0.85 | 306.0 | -0.0002 | 0.1648 |
| 0.85 | 318.0 | 0.0906 | 0.2366 |
| 0.95 | 90.0 | 0.1741 | 0.2224 |
| 0.95 | 102.0 | -0.4937 | 0.1773 |
| 0.95 | 114.0 | 0.0217 | 0.2146 |
| 0.95 | 126.0 | -0.2043 | 0.2697 |
| 0.95 | 198.0 | -0.1334 | 0.2252 |
| 0.95 | 210.0 | 0.0999 | 0.2352 |
| 0.95 | 222.0 | -0.0343 | 0.2394 |
| 0.95 | 234.0 | 0.2005 | 0.1924 |
| 0.95 | 246.0 | -0.1906 | 0.1814 |
| 0.95 | 258.0 | 0.0374 | 0.1881 |
| 0.95 | 270.0 | -0.1711 | 0.1894 |
| 0.95 | 282.0 | 0.1264 | 0.2068 |
| 0.95 | 294.0 | -0.1717 | 0.2029 |
| 0.95 | 306.0 | 0.4042 | 0.192 |
| 0.95 | 318.0 | 0.3566 | 0.1925 |
| 0.95 | 330.0 | -0.1887 | 0.1905 |
| 0.95 | 342.0 | -0.093 | 0.2569 |
| 0.95 | 354.0 | -0.7148 | 0.17 |
Experiment comment: