Measurement E151M3008
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1177 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9248 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | 0.1376 | 0.274 |
| 0.25 | 30.0 | 0.3661 | 0.2391 |
| 0.25 | 42.0 | 0.5879 | 0.2279 |
| 0.25 | 54.0 | -0.204 | 0.2405 |
| 0.25 | 66.0 | -0.4864 | 0.1594 |
| 0.25 | 78.0 | 0.1673 | 0.184 |
| 0.25 | 282.0 | -0.1893 | 0.2477 |
| 0.25 | 294.0 | 0.0714 | 0.1932 |
| 0.25 | 306.0 | 0.2348 | 0.2164 |
| 0.25 | 318.0 | -0.6036 | 0.2075 |
| 0.35 | 18.0 | -0.0037 | 0.2551 |
| 0.35 | 30.0 | -0.0083 | 0.2607 |
| 0.35 | 54.0 | -0.0387 | 0.243 |
| 0.35 | 66.0 | 0.0161 | 0.1565 |
| 0.35 | 78.0 | -0.3602 | 0.1318 |
| 0.35 | 90.0 | 0.0825 | 0.2087 |
| 0.35 | 270.0 | -0.2476 | 0.2274 |
| 0.35 | 282.0 | -0.1272 | 0.1577 |
| 0.35 | 294.0 | 0.0487 | 0.1582 |
| 0.35 | 306.0 | 0.0602 | 0.211 |
| 0.35 | 330.0 | 0.0441 | 0.2764 |
| 0.45 | 30.0 | 0.0532 | 0.2698 |
| 0.45 | 66.0 | -0.1698 | 0.1427 |
| 0.45 | 78.0 | -0.0002 | 0.1288 |
| 0.45 | 90.0 | 0.3067 | 0.1499 |
| 0.45 | 102.0 | -0.0434 | 0.1943 |
| 0.45 | 258.0 | -0.0351 | 0.2411 |
| 0.45 | 270.0 | 0.2118 | 0.156 |
| 0.45 | 282.0 | -0.0901 | 0.1342 |
| 0.45 | 294.0 | -0.2623 | 0.1283 |
| 0.45 | 306.0 | 0.0309 | 0.2059 |
| 0.45 | 330.0 | 0.4718 | 0.2316 |
| 0.55 | 66.0 | -0.0971 | 0.1907 |
| 0.55 | 78.0 | 0.1638 | 0.137 |
| 0.55 | 90.0 | 0.1055 | 0.1645 |
| 0.55 | 102.0 | 0.0631 | 0.1618 |
| 0.55 | 114.0 | -0.5001 | 0.1587 |
| 0.55 | 126.0 | -0.1379 | 0.1817 |
| 0.55 | 138.0 | -0.2319 | 0.2456 |
| 0.55 | 222.0 | -0.1178 | 0.2381 |
| 0.55 | 234.0 | 0.1865 | 0.184 |
| 0.55 | 246.0 | 0.0916 | 0.2131 |
| 0.55 | 258.0 | 0.2532 | 0.1745 |
| 0.55 | 270.0 | 0.2385 | 0.1337 |
| 0.55 | 282.0 | 0.1141 | 0.1328 |
| 0.55 | 294.0 | -0.1231 | 0.1592 |
| 0.65 | 66.0 | -0.0446 | 0.1876 |
| 0.65 | 78.0 | -0.2585 | 0.1743 |
| 0.65 | 90.0 | -0.136 | 0.2179 |
| 0.65 | 102.0 | -0.1014 | 0.1699 |
| 0.65 | 114.0 | -0.0769 | 0.1402 |
| 0.65 | 126.0 | 0.0504 | 0.1424 |
| 0.65 | 138.0 | -0.2164 | 0.1499 |
| 0.65 | 150.0 | 0.0019 | 0.2256 |
| 0.65 | 210.0 | 0.0229 | 0.1851 |
| 0.65 | 222.0 | -0.0177 | 0.1536 |
| 0.65 | 234.0 | -0.0203 | 0.1391 |
| 0.65 | 246.0 | -0.0057 | 0.1544 |
| 0.65 | 258.0 | 0.0014 | 0.1552 |
| 0.65 | 270.0 | 0.0733 | 0.1585 |
| 0.65 | 282.0 | 0.0896 | 0.1792 |
| 0.65 | 294.0 | 0.0027 | 0.1922 |
| 0.65 | 306.0 | 0.0047 | 0.2387 |
| 0.75 | 66.0 | 0.4389 | 0.2055 |
| 0.75 | 78.0 | -0.009 | 0.2096 |
| 0.75 | 90.0 | 0.2349 | 0.2184 |
| 0.75 | 102.0 | -0.2512 | 0.1614 |
| 0.75 | 114.0 | -0.1037 | 0.1253 |
| 0.75 | 126.0 | 0.2106 | 0.139 |
| 0.75 | 138.0 | -0.1803 | 0.1464 |
| 0.75 | 150.0 | -0.1369 | 0.1793 |
| 0.75 | 162.0 | 0.2343 | 0.2527 |
| 0.75 | 186.0 | 0.0105 | 0.268 |
| 0.75 | 198.0 | 0.2051 | 0.2909 |
| 0.75 | 210.0 | -0.0159 | 0.176 |
| 0.75 | 222.0 | 0.0147 | 0.15 |
| 0.75 | 234.0 | 0.0168 | 0.1374 |
| 0.75 | 246.0 | -0.195 | 0.1406 |
| 0.75 | 258.0 | -0.0108 | 0.1661 |
| 0.75 | 270.0 | -0.3097 | 0.1988 |
| 0.75 | 282.0 | -0.1531 | 0.1991 |
| 0.75 | 294.0 | 0.0604 | 0.2053 |
| 0.85 | 102.0 | -0.1479 | 0.2329 |
| 0.85 | 114.0 | 0.4083 | 0.1576 |
| 0.85 | 126.0 | 0.2925 | 0.1503 |
| 0.85 | 138.0 | 0.0519 | 0.1749 |
| 0.85 | 150.0 | 0.0209 | 0.2118 |
| 0.85 | 198.0 | -0.4137 | 0.2202 |
| 0.85 | 210.0 | -0.0863 | 0.1844 |
| 0.85 | 222.0 | 0.0074 | 0.1425 |
| 0.85 | 234.0 | -0.2308 | 0.1344 |
| 0.85 | 246.0 | 0.1562 | 0.1533 |
| 0.85 | 258.0 | -0.1081 | 0.1568 |
| 0.85 | 270.0 | -0.3115 | 0.1889 |
| 0.95 | 126.0 | -0.0094 | 0.2779 |
| 0.95 | 210.0 | -0.2072 | 0.2567 |
| 0.95 | 222.0 | 0.0227 | 0.2111 |
| 0.95 | 234.0 | 0.3449 | 0.1979 |
| 0.95 | 246.0 | 0.247 | 0.1771 |
| 0.95 | 258.0 | 0.2118 | 0.2489 |
Experiment comment: