Measurement E151M3041
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1192 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8924 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.3635 | 0.2566 |
| 0.15 | 54.0 | 0.5318 | 0.2255 |
| 0.25 | 18.0 | 0.1718 | 0.254 |
| 0.25 | 42.0 | 0.0513 | 0.2529 |
| 0.25 | 54.0 | 0.0193 | 0.2453 |
| 0.25 | 66.0 | 0.3986 | 0.1942 |
| 0.25 | 78.0 | -0.1701 | 0.2277 |
| 0.25 | 90.0 | -0.019 | 0.2781 |
| 0.25 | 282.0 | 0.0933 | 0.1876 |
| 0.25 | 294.0 | -0.3123 | 0.2121 |
| 0.25 | 306.0 | -0.2076 | 0.2396 |
| 0.35 | 18.0 | 0.2189 | 0.27 |
| 0.35 | 30.0 | 0.5348 | 0.2512 |
| 0.35 | 54.0 | -0.2152 | 0.2378 |
| 0.35 | 66.0 | 0.4503 | 0.1604 |
| 0.35 | 78.0 | -0.0607 | 0.1488 |
| 0.35 | 90.0 | -0.0711 | 0.2044 |
| 0.35 | 258.0 | -0.1758 | 0.2793 |
| 0.35 | 270.0 | 0.2648 | 0.1947 |
| 0.35 | 282.0 | 0.2553 | 0.1579 |
| 0.35 | 294.0 | -0.0282 | 0.1761 |
| 0.35 | 306.0 | -0.1308 | 0.2342 |
| 0.35 | 318.0 | -0.261 | 0.2671 |
| 0.35 | 330.0 | 0.1288 | 0.2695 |
| 0.45 | 66.0 | 0.0431 | 0.1909 |
| 0.45 | 78.0 | 0.0243 | 0.153 |
| 0.45 | 90.0 | -0.406 | 0.1726 |
| 0.45 | 102.0 | 0.3688 | 0.2401 |
| 0.45 | 114.0 | -0.0085 | 0.2648 |
| 0.45 | 258.0 | -0.0385 | 0.233 |
| 0.45 | 270.0 | 0.0839 | 0.1557 |
| 0.45 | 282.0 | 0.0438 | 0.1413 |
| 0.45 | 294.0 | 0.2421 | 0.1562 |
| 0.45 | 306.0 | 0.5055 | 0.2054 |
| 0.55 | 66.0 | -0.1054 | 0.2278 |
| 0.55 | 78.0 | 0.2219 | 0.1514 |
| 0.55 | 90.0 | -0.0612 | 0.1697 |
| 0.55 | 102.0 | 0.0219 | 0.1945 |
| 0.55 | 114.0 | -0.1798 | 0.1931 |
| 0.55 | 126.0 | -0.259 | 0.1849 |
| 0.55 | 138.0 | -0.1955 | 0.2449 |
| 0.55 | 222.0 | 0.2939 | 0.243 |
| 0.55 | 234.0 | 0.1399 | 0.1948 |
| 0.55 | 246.0 | -0.0049 | 0.2155 |
| 0.55 | 258.0 | 0.2527 | 0.1887 |
| 0.55 | 270.0 | 0.2 | 0.1565 |
| 0.55 | 282.0 | -0.0223 | 0.1498 |
| 0.55 | 294.0 | 0.0203 | 0.1885 |
| 0.55 | 306.0 | -0.1242 | 0.2441 |
| 0.65 | 66.0 | -0.0517 | 0.1857 |
| 0.65 | 78.0 | 0.0207 | 0.1959 |
| 0.65 | 90.0 | 0.3791 | 0.2131 |
| 0.65 | 102.0 | -0.4104 | 0.1586 |
| 0.65 | 114.0 | 0.234 | 0.1443 |
| 0.65 | 126.0 | -0.1865 | 0.1576 |
| 0.65 | 138.0 | -0.0294 | 0.1794 |
| 0.65 | 150.0 | -0.1048 | 0.216 |
| 0.65 | 210.0 | -0.0938 | 0.1976 |
| 0.65 | 222.0 | -0.2688 | 0.1691 |
| 0.65 | 234.0 | 0.213 | 0.1627 |
| 0.65 | 246.0 | -0.1722 | 0.1668 |
| 0.65 | 258.0 | 0.2676 | 0.1713 |
| 0.65 | 270.0 | 0.2208 | 0.2003 |
| 0.65 | 282.0 | 0.0664 | 0.2362 |
| 0.65 | 294.0 | 0.3397 | 0.1669 |
| 0.65 | 306.0 | 0.0202 | 0.2103 |
| 0.75 | 66.0 | 0.2813 | 0.2097 |
| 0.75 | 78.0 | -0.2571 | 0.2553 |
| 0.75 | 102.0 | 0.0177 | 0.2053 |
| 0.75 | 114.0 | -0.0386 | 0.1573 |
| 0.75 | 126.0 | -0.0618 | 0.1474 |
| 0.75 | 138.0 | -0.202 | 0.1544 |
| 0.75 | 150.0 | -0.0863 | 0.202 |
| 0.75 | 198.0 | -0.2973 | 0.2152 |
| 0.75 | 210.0 | -0.0376 | 0.1722 |
| 0.75 | 222.0 | 0.0186 | 0.1415 |
| 0.75 | 234.0 | -0.2112 | 0.1466 |
| 0.75 | 246.0 | -0.1231 | 0.151 |
| 0.75 | 258.0 | 0.0033 | 0.1843 |
| 0.75 | 270.0 | 0.2324 | 0.2704 |
| 0.75 | 282.0 | -0.0368 | 0.1648 |
| 0.75 | 294.0 | 0.0243 | 0.2097 |
| 0.85 | 90.0 | 0.2522 | 0.1883 |
| 0.85 | 102.0 | 0.1319 | 0.1899 |
| 0.85 | 114.0 | -0.2048 | 0.2516 |
| 0.85 | 126.0 | -0.0007 | 0.1966 |
| 0.85 | 138.0 | -0.1989 | 0.1874 |
| 0.85 | 150.0 | 0.2792 | 0.2431 |
| 0.85 | 198.0 | -0.1275 | 0.2705 |
| 0.85 | 210.0 | -0.2081 | 0.1916 |
| 0.85 | 222.0 | -0.0813 | 0.1449 |
| 0.85 | 234.0 | -0.084 | 0.1409 |
| 0.85 | 246.0 | 0.2098 | 0.156 |
| 0.85 | 258.0 | -0.0053 | 0.1587 |
| 0.85 | 270.0 | -0.4383 | 0.2349 |
| 0.95 | 102.0 | -0.2064 | 0.2595 |
| 0.95 | 114.0 | -0.2849 | 0.2394 |
| 0.95 | 210.0 | 0.1971 | 0.2726 |
| 0.95 | 222.0 | -0.1667 | 0.2036 |
| 0.95 | 234.0 | 0.0397 | 0.1909 |
| 0.95 | 246.0 | -0.0313 | 0.1768 |
| 0.95 | 258.0 | -0.185 | 0.2617 |
Experiment comment: