Measurement E151M3342
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0631 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8494 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 78.0 | 0.0429 | 0.2522 |
| 0.45 | 270.0 | 0.1682 | 0.2188 |
| 0.45 | 282.0 | -0.3772 | 0.2404 |
| 0.55 | 126.0 | -0.0864 | 0.2557 |
| 0.55 | 222.0 | 0.208 | 0.2528 |
| 0.55 | 270.0 | 0.0847 | 0.2463 |
| 0.55 | 282.0 | 0.1019 | 0.2331 |
| 0.65 | 126.0 | -0.2554 | 0.2404 |
| 0.65 | 138.0 | 0.1142 | 0.261 |
| 0.65 | 210.0 | 0.1389 | 0.256 |
| 0.65 | 222.0 | 0.0434 | 0.2222 |
| 0.65 | 294.0 | 0.0843 | 0.2365 |
| 0.75 | 210.0 | -0.2622 | 0.2571 |
| 0.75 | 222.0 | -0.017 | 0.2434 |
| 0.75 | 234.0 | 0.2706 | 0.2334 |
| 0.75 | 246.0 | 0.0174 | 0.2562 |
| 0.75 | 270.0 | -0.1336 | 0.232 |
| 0.75 | 282.0 | 0.1822 | 0.1812 |
| 0.75 | 294.0 | 0.0653 | 0.2037 |
| 0.85 | 102.0 | -0.0586 | 0.2313 |
| 0.85 | 114.0 | 0.0325 | 0.2023 |
| 0.85 | 126.0 | -0.2109 | 0.2202 |
| 0.85 | 186.0 | -0.0453 | 0.2642 |
| 0.85 | 210.0 | 0.1524 | 0.1934 |
| 0.85 | 222.0 | -0.2816 | 0.2148 |
| 0.85 | 234.0 | 0.0988 | 0.2551 |
| 0.35 | 78.0 | 0.081 | 0.2633 |
| 0.35 | 282.0 | -0.1648 | 0.2415 |
| 0.45 | 126.0 | -0.4196 | 0.2204 |
| 0.45 | 270.0 | 0.3588 | 0.2369 |
| 0.55 | 114.0 | -0.2838 | 0.2469 |
| 0.55 | 258.0 | -0.0913 | 0.2566 |
| 0.55 | 270.0 | -0.0324 | 0.2354 |
| 0.55 | 282.0 | -0.2311 | 0.2523 |
| 0.65 | 114.0 | -0.0705 | 0.2358 |
| 0.65 | 126.0 | -0.6741 | 0.1976 |
| 0.65 | 138.0 | 0.0911 | 0.2312 |
| 0.65 | 222.0 | -0.0766 | 0.2387 |
| 0.65 | 234.0 | 0.221 | 0.2523 |
| 0.65 | 282.0 | 0.2212 | 0.2489 |
| 0.65 | 294.0 | -0.1745 | 0.2303 |
| 0.75 | 66.0 | 0.0911 | 0.2447 |
| 0.75 | 126.0 | 0.1448 | 0.2336 |
| 0.75 | 198.0 | 0.7476 | 0.1739 |
| 0.75 | 210.0 | 0.0562 | 0.2153 |
| 0.75 | 222.0 | -0.3973 | 0.231 |
| 0.75 | 234.0 | 0.4055 | 0.2159 |
| 0.75 | 270.0 | 0.0986 | 0.249 |
| 0.75 | 282.0 | 0.0615 | 0.2384 |
| 0.75 | 294.0 | -0.2958 | 0.2318 |
| 0.85 | 102.0 | 0.1303 | 0.2029 |
| 0.85 | 114.0 | 0.1311 | 0.2348 |
| 0.85 | 198.0 | 0.0345 | 0.2199 |
| 0.85 | 210.0 | 0.2066 | 0.2403 |
| 0.85 | 222.0 | -0.31 | 0.2134 |
| 0.85 | 234.0 | 0.3597 | 0.1855 |
| 0.85 | 246.0 | -0.3562 | 0.2313 |
| 0.85 | 258.0 | 0.1026 | 0.2511 |
| 0.95 | 234.0 | -0.1332 | 0.2474 |
Experiment comment: