Measurement E151M3316
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0592 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.888 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | 0.2174 | 0.231 |
| 0.35 | 78.0 | -0.0935 | 0.1743 |
| 0.35 | 90.0 | 0.4712 | 0.2344 |
| 0.35 | 258.0 | -0.8649 | 0.1659 |
| 0.35 | 270.0 | 0.1951 | 0.2338 |
| 0.35 | 282.0 | -0.2853 | 0.1619 |
| 0.45 | 66.0 | -0.5301 | 0.2198 |
| 0.45 | 78.0 | -0.287 | 0.1383 |
| 0.45 | 126.0 | 0.2286 | 0.2108 |
| 0.45 | 258.0 | -0.3387 | 0.2364 |
| 0.45 | 270.0 | 0.0829 | 0.1492 |
| 0.45 | 282.0 | 0.46 | 0.1392 |
| 0.55 | 78.0 | -0.3003 | 0.2401 |
| 0.55 | 90.0 | 0.098 | 0.2266 |
| 0.55 | 114.0 | 0.0439 | 0.1648 |
| 0.55 | 126.0 | -0.3053 | 0.1529 |
| 0.55 | 138.0 | -0.084 | 0.1561 |
| 0.55 | 210.0 | 0.4496 | 0.2406 |
| 0.55 | 222.0 | 0.3624 | 0.2494 |
| 0.55 | 234.0 | 0.0414 | 0.2386 |
| 0.55 | 246.0 | -0.1753 | 0.223 |
| 0.55 | 258.0 | 0.0039 | 0.1503 |
| 0.55 | 270.0 | 0.0978 | 0.1411 |
| 0.55 | 282.0 | -0.0237 | 0.1667 |
| 0.65 | 78.0 | 0.2616 | 0.2503 |
| 0.65 | 114.0 | -0.0411 | 0.1359 |
| 0.65 | 126.0 | 0.1768 | 0.1489 |
| 0.65 | 138.0 | 0.0514 | 0.1551 |
| 0.65 | 198.0 | 0.1491 | 0.158 |
| 0.65 | 210.0 | -0.0776 | 0.1503 |
| 0.65 | 222.0 | -0.0425 | 0.1502 |
| 0.65 | 234.0 | -0.2462 | 0.1591 |
| 0.65 | 246.0 | -0.1125 | 0.1724 |
| 0.65 | 258.0 | -0.2962 | 0.2408 |
| 0.65 | 282.0 | -0.1545 | 0.2561 |
| 0.75 | 114.0 | 0.401 | 0.2408 |
| 0.75 | 126.0 | -0.1585 | 0.2341 |
| 0.75 | 138.0 | -0.2518 | 0.2335 |
| 0.75 | 198.0 | -0.1677 | 0.2334 |
| 0.75 | 222.0 | 0.119 | 0.2038 |
| 0.75 | 234.0 | 0.2082 | 0.2192 |
| 0.75 | 246.0 | -0.1991 | 0.2549 |
| 0.75 | 270.0 | 0.1224 | 0.2018 |
| 0.75 | 282.0 | -0.026 | 0.1988 |
| 0.75 | 294.0 | -0.0314 | 0.2498 |
| 0.85 | 102.0 | 0.091 | 0.2379 |
| 0.85 | 114.0 | 0.2921 | 0.1984 |
| 0.85 | 126.0 | -0.0451 | 0.2256 |
| 0.85 | 198.0 | 0.2149 | 0.2139 |
| 0.85 | 210.0 | 0.0197 | 0.214 |
| 0.85 | 222.0 | -0.1928 | 0.1945 |
| 0.85 | 234.0 | 0.4872 | 0.22 |
| 0.85 | 246.0 | 0.299 | 0.2176 |
| 0.85 | 270.0 | -0.312 | 0.2402 |
| 0.95 | 222.0 | 0.5649 | 0.2204 |
| 0.65 | 294.0 | 0.0553 | 0.2554 |
| 0.75 | 66.0 | 0.0582 | 0.2393 |
| 0.75 | 126.0 | 0.1212 | 0.209 |
| 0.75 | 138.0 | -0.2149 | 0.1965 |
| 0.75 | 150.0 | -0.1774 | 0.2571 |
| 0.75 | 198.0 | 0.1964 | 0.2404 |
| 0.75 | 210.0 | -0.2527 | 0.2033 |
| 0.75 | 222.0 | -0.2385 | 0.1679 |
| 0.75 | 234.0 | -0.3234 | 0.2151 |
| 0.75 | 282.0 | -0.1066 | 0.1665 |
| 0.75 | 294.0 | 0.1731 | 0.2302 |
| 0.85 | 102.0 | 0.1863 | 0.2007 |
| 0.85 | 114.0 | 0.0824 | 0.2097 |
| 0.85 | 126.0 | -0.1248 | 0.2632 |
| 0.85 | 210.0 | -0.1278 | 0.1844 |
| 0.85 | 222.0 | 0.1533 | 0.1843 |
| 0.85 | 234.0 | 0.1815 | 0.2219 |
| 0.85 | 246.0 | 0.2048 | 0.2373 |
| 0.95 | 234.0 | -0.0193 | 0.2541 |
Experiment comment: