Measurement E151M2976
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1393 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9469 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.2521 | 0.2578 |
| 0.15 | 42.0 | -0.1597 | 0.2446 |
| 0.25 | 30.0 | -0.5042 | 0.2563 |
| 0.25 | 66.0 | -0.0616 | 0.2284 |
| 0.25 | 294.0 | 0.1312 | 0.2248 |
| 0.25 | 306.0 | 0.0632 | 0.2046 |
| 0.35 | 66.0 | -0.0961 | 0.1656 |
| 0.35 | 78.0 | -0.0145 | 0.1632 |
| 0.35 | 90.0 | 0.3349 | 0.2074 |
| 0.35 | 282.0 | 0.2735 | 0.2159 |
| 0.35 | 294.0 | 0.0374 | 0.1585 |
| 0.35 | 306.0 | -0.2634 | 0.1765 |
| 0.45 | 66.0 | 0.0582 | 0.1671 |
| 0.45 | 78.0 | -0.0956 | 0.1336 |
| 0.45 | 90.0 | -0.2322 | 0.1505 |
| 0.45 | 270.0 | -0.1746 | 0.2052 |
| 0.45 | 282.0 | -0.0904 | 0.1506 |
| 0.45 | 294.0 | -0.2354 | 0.1328 |
| 0.45 | 306.0 | -0.377 | 0.172 |
| 0.55 | 66.0 | 0.089 | 0.1955 |
| 0.55 | 78.0 | 0.0685 | 0.1433 |
| 0.55 | 90.0 | -0.1122 | 0.1429 |
| 0.55 | 102.0 | 0.1944 | 0.2347 |
| 0.55 | 114.0 | -0.0121 | 0.2443 |
| 0.55 | 126.0 | -0.2732 | 0.2315 |
| 0.55 | 246.0 | -0.0926 | 0.2273 |
| 0.55 | 258.0 | -0.0472 | 0.2137 |
| 0.55 | 270.0 | -0.1213 | 0.1907 |
| 0.55 | 282.0 | -0.0012 | 0.1612 |
| 0.55 | 294.0 | -0.2855 | 0.1715 |
| 0.65 | 66.0 | -0.2588 | 0.2114 |
| 0.65 | 78.0 | -0.0077 | 0.1487 |
| 0.65 | 90.0 | 0.1355 | 0.2229 |
| 0.65 | 102.0 | 0.0545 | 0.1974 |
| 0.65 | 114.0 | -0.1618 | 0.1761 |
| 0.65 | 126.0 | -0.0763 | 0.1589 |
| 0.65 | 138.0 | -0.0866 | 0.1789 |
| 0.65 | 210.0 | 0.1038 | 0.2408 |
| 0.65 | 222.0 | 0.0486 | 0.1858 |
| 0.65 | 234.0 | -0.3752 | 0.1404 |
| 0.65 | 246.0 | -0.1185 | 0.1352 |
| 0.65 | 258.0 | -0.1193 | 0.1535 |
| 0.65 | 270.0 | 0.0346 | 0.2098 |
| 0.65 | 282.0 | 0.0423 | 0.2341 |
| 0.75 | 78.0 | -0.0175 | 0.2401 |
| 0.75 | 90.0 | -0.0774 | 0.2521 |
| 0.75 | 102.0 | 0.2837 | 0.1778 |
| 0.75 | 114.0 | 0.1616 | 0.1407 |
| 0.75 | 126.0 | 0.054 | 0.1552 |
| 0.75 | 138.0 | 0.0352 | 0.1434 |
| 0.75 | 150.0 | 0.1506 | 0.1733 |
| 0.75 | 162.0 | -0.035 | 0.2346 |
| 0.75 | 210.0 | 0.2746 | 0.1979 |
| 0.75 | 222.0 | 0.1253 | 0.1603 |
| 0.75 | 234.0 | -0.012 | 0.1365 |
| 0.75 | 246.0 | 0.0917 | 0.1238 |
| 0.75 | 258.0 | -0.1066 | 0.1486 |
| 0.75 | 270.0 | -0.0811 | 0.2062 |
| 0.85 | 102.0 | 0.0085 | 0.2728 |
| 0.85 | 114.0 | -0.0126 | 0.1857 |
| 0.85 | 126.0 | -0.1659 | 0.1457 |
| 0.85 | 138.0 | 0.1221 | 0.1549 |
| 0.85 | 150.0 | 0.2352 | 0.1873 |
| 0.85 | 162.0 | 0.2496 | 0.2603 |
| 0.85 | 198.0 | -0.1605 | 0.2584 |
| 0.85 | 210.0 | 0.0645 | 0.1789 |
| 0.85 | 222.0 | 0.2299 | 0.1609 |
| 0.85 | 234.0 | -0.1296 | 0.1486 |
| 0.85 | 246.0 | 0.1231 | 0.1204 |
| 0.85 | 258.0 | 0.2071 | 0.1326 |
| 0.85 | 270.0 | -0.2534 | 0.1783 |
| 0.95 | 210.0 | -0.1687 | 0.2719 |
| 0.95 | 222.0 | 0.0511 | 0.2348 |
| 0.95 | 234.0 | 0.3104 | 0.2041 |
| 0.95 | 246.0 | 0.0809 | 0.2398 |
Experiment comment: