Measurement E151M3028
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1861 | |
| Q2: | 0.101 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8965 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.1434 | 0.2398 |
| 0.25 | 78.0 | -0.146 | 0.2258 |
| 0.25 | 282.0 | -0.0951 | 0.2675 |
| 0.25 | 294.0 | 0.157 | 0.2149 |
| 0.25 | 306.0 | 0.0953 | 0.2285 |
| 0.35 | 66.0 | -0.1174 | 0.2201 |
| 0.35 | 78.0 | 0.0723 | 0.1723 |
| 0.35 | 282.0 | -0.1568 | 0.1789 |
| 0.35 | 294.0 | -0.1501 | 0.1763 |
| 0.35 | 306.0 | -0.1968 | 0.2216 |
| 0.45 | 66.0 | -0.1932 | 0.233 |
| 0.45 | 78.0 | -0.094 | 0.1837 |
| 0.45 | 90.0 | 0.163 | 0.2688 |
| 0.45 | 270.0 | 0.0238 | 0.2361 |
| 0.45 | 282.0 | 0.1855 | 0.1768 |
| 0.45 | 294.0 | -0.0643 | 0.1833 |
| 0.55 | 66.0 | -0.286 | 0.2147 |
| 0.55 | 78.0 | 0.0391 | 0.1982 |
| 0.55 | 114.0 | -0.1458 | 0.2621 |
| 0.55 | 126.0 | 0.0646 | 0.2564 |
| 0.55 | 234.0 | 0.2587 | 0.2174 |
| 0.55 | 246.0 | -0.3116 | 0.2172 |
| 0.55 | 258.0 | -0.2683 | 0.2555 |
| 0.55 | 270.0 | -0.0897 | 0.2594 |
| 0.55 | 282.0 | -0.2928 | 0.1685 |
| 0.55 | 294.0 | 0.2399 | 0.2264 |
| 0.65 | 66.0 | 0.3102 | 0.2008 |
| 0.65 | 90.0 | -0.1925 | 0.2655 |
| 0.65 | 102.0 | -0.1176 | 0.2008 |
| 0.65 | 114.0 | -0.0187 | 0.1667 |
| 0.65 | 126.0 | 0.09 | 0.1962 |
| 0.65 | 138.0 | 0.0847 | 0.2146 |
| 0.65 | 210.0 | 0.2211 | 0.2119 |
| 0.65 | 222.0 | -0.1462 | 0.225 |
| 0.65 | 234.0 | -0.1225 | 0.1706 |
| 0.65 | 246.0 | -0.1794 | 0.1863 |
| 0.65 | 258.0 | 0.1292 | 0.2187 |
| 0.65 | 270.0 | -0.4506 | 0.2508 |
| 0.65 | 294.0 | -0.19 | 0.2237 |
| 0.65 | 306.0 | -0.0534 | 0.2521 |
| 0.75 | 102.0 | -0.1027 | 0.1943 |
| 0.75 | 114.0 | 0.2358 | 0.1666 |
| 0.75 | 126.0 | 0.3864 | 0.1628 |
| 0.75 | 138.0 | 0.1998 | 0.2139 |
| 0.75 | 150.0 | 0.2426 | 0.2336 |
| 0.75 | 198.0 | 0.0152 | 0.2757 |
| 0.75 | 210.0 | 0.0366 | 0.191 |
| 0.75 | 222.0 | -0.1471 | 0.1755 |
| 0.75 | 234.0 | -0.0056 | 0.171 |
| 0.75 | 246.0 | -0.1024 | 0.1536 |
| 0.75 | 258.0 | 0.4079 | 0.1552 |
| 0.75 | 270.0 | 0.0022 | 0.1966 |
| 0.75 | 294.0 | -0.308 | 0.2442 |
| 0.85 | 90.0 | 0.2654 | 0.2235 |
| 0.85 | 102.0 | 0.4195 | 0.2023 |
| 0.85 | 114.0 | -0.3576 | 0.1893 |
| 0.85 | 126.0 | 0.4593 | 0.1669 |
| 0.85 | 138.0 | 0.1924 | 0.198 |
| 0.85 | 150.0 | -0.2094 | 0.2398 |
| 0.85 | 198.0 | -0.2043 | 0.2408 |
| 0.85 | 210.0 | 0.0979 | 0.2275 |
| 0.85 | 222.0 | -0.3119 | 0.1895 |
| 0.85 | 234.0 | -0.2416 | 0.1721 |
| 0.85 | 246.0 | 0.0369 | 0.1695 |
| 0.85 | 258.0 | -0.108 | 0.1751 |
| 0.85 | 270.0 | -0.194 | 0.2068 |
| 0.85 | 282.0 | 0.2319 | 0.2829 |
| 0.95 | 102.0 | -0.2232 | 0.2095 |
| 0.95 | 210.0 | -0.3512 | 0.2199 |
| 0.95 | 222.0 | 0.0304 | 0.2404 |
| 0.95 | 234.0 | -0.1377 | 0.238 |
| 0.95 | 246.0 | 0.1802 | 0.2284 |
| 0.95 | 258.0 | 0.2466 | 0.1818 |
| 0.95 | 270.0 | 0.1972 | 0.2531 |
Experiment comment: