Measurement E151M3268
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2875 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9053 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 282.0 | -0.1544 | 0.2502 |
| 0.35 | 294.0 | 0.1923 | 0.2569 |
| 0.45 | 282.0 | -0.0414 | 0.2636 |
| 0.65 | 102.0 | -0.0473 | 0.2511 |
| 0.65 | 114.0 | 0.0475 | 0.2489 |
| 0.75 | 90.0 | 0.2935 | 0.2562 |
| 0.75 | 102.0 | 0.3961 | 0.1851 |
| 0.75 | 114.0 | 0.2792 | 0.2249 |
| 0.75 | 126.0 | -0.0837 | 0.2254 |
| 0.75 | 246.0 | -0.2074 | 0.1939 |
| 0.75 | 258.0 | -0.0304 | 0.2648 |
| 0.75 | 270.0 | -0.0488 | 0.2515 |
| 0.85 | 78.0 | -0.1261 | 0.2129 |
| 0.85 | 102.0 | -0.0195 | 0.2183 |
| 0.85 | 114.0 | 0.1992 | 0.1973 |
| 0.85 | 126.0 | 0.2836 | 0.2556 |
| 0.85 | 222.0 | -0.5832 | 0.2034 |
| 0.85 | 234.0 | -0.1746 | 0.2216 |
| 0.85 | 246.0 | -0.3566 | 0.2024 |
| 0.85 | 258.0 | -0.2117 | 0.1917 |
| 0.85 | 270.0 | 0.06 | 0.2146 |
| 0.85 | 282.0 | -0.0081 | 0.2526 |
| 0.95 | 78.0 | -0.3122 | 0.2473 |
| 0.95 | 234.0 | 0.1464 | 0.2121 |
| 0.95 | 246.0 | 0.3294 | 0.2575 |
| 0.95 | 258.0 | 0.3792 | 0.2157 |
| 0.95 | 270.0 | -0.1652 | 0.2087 |
| 0.95 | 282.0 | -0.3747 | 0.2083 |
| 0.25 | 66.0 | 0.0484 | 0.2399 |
| 0.35 | 282.0 | -0.1334 | 0.2232 |
| 0.35 | 294.0 | 0.1292 | 0.2616 |
| 0.45 | 282.0 | 0.2692 | 0.2382 |
| 0.45 | 294.0 | 0.2251 | 0.2489 |
| 0.55 | 102.0 | 0.4543 | 0.2375 |
| 0.65 | 102.0 | 0.0066 | 0.2044 |
| 0.65 | 114.0 | 0.344 | 0.2324 |
| 0.65 | 126.0 | 0.2283 | 0.2589 |
| 0.65 | 234.0 | 0.2621 | 0.2377 |
| 0.65 | 258.0 | -0.0682 | 0.242 |
| 0.75 | 90.0 | 0.0741 | 0.1987 |
| 0.75 | 102.0 | -0.133 | 0.188 |
| 0.75 | 114.0 | -0.0718 | 0.1977 |
| 0.75 | 126.0 | 0.5052 | 0.1974 |
| 0.75 | 138.0 | 0.1112 | 0.2231 |
| 0.75 | 222.0 | -0.5263 | 0.2194 |
| 0.75 | 246.0 | 0.1388 | 0.183 |
| 0.75 | 258.0 | -0.3507 | 0.2173 |
| 0.75 | 270.0 | 0.1587 | 0.2121 |
| 0.85 | 102.0 | 0.1765 | 0.2162 |
| 0.85 | 114.0 | 0.1707 | 0.2245 |
| 0.85 | 126.0 | 0.261 | 0.2045 |
| 0.85 | 210.0 | -0.0848 | 0.2593 |
| 0.85 | 222.0 | -0.1481 | 0.2329 |
| 0.85 | 234.0 | -0.0466 | 0.2051 |
| 0.85 | 246.0 | 0.139 | 0.2304 |
| 0.85 | 258.0 | -0.0526 | 0.1869 |
| 0.85 | 270.0 | 0.0983 | 0.2323 |
| 0.85 | 282.0 | 0.3769 | 0.2324 |
| 0.95 | 222.0 | -0.1015 | 0.2628 |
| 0.95 | 234.0 | 0.1108 | 0.2559 |
| 0.95 | 246.0 | -0.3491 | 0.2257 |
| 0.95 | 258.0 | -0.1586 | 0.2506 |
| 0.95 | 270.0 | -0.1742 | 0.2203 |
| 0.95 | 282.0 | -0.2435 | 0.2487 |
Experiment comment: