Measurement E151M2948
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2728 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9578 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 294.0 | -0.1085 | 0.2788 |
| 0.15 | 306.0 | 0.4317 | 0.1807 |
| 0.15 | 318.0 | 0.3256 | 0.2268 |
| 0.25 | 66.0 | -0.0154 | 0.1773 |
| 0.25 | 78.0 | -0.3167 | 0.1876 |
| 0.25 | 294.0 | -0.05 | 0.1794 |
| 0.25 | 306.0 | -0.0213 | 0.1498 |
| 0.25 | 318.0 | -0.0777 | 0.2265 |
| 0.35 | 66.0 | -0.2333 | 0.1409 |
| 0.35 | 78.0 | -0.0049 | 0.1526 |
| 0.35 | 282.0 | -0.3034 | 0.2179 |
| 0.35 | 294.0 | 0.0164 | 0.1512 |
| 0.35 | 306.0 | 0.3742 | 0.1589 |
| 0.45 | 66.0 | -0.2862 | 0.1639 |
| 0.45 | 78.0 | -0.1565 | 0.1221 |
| 0.45 | 90.0 | -0.0122 | 0.1832 |
| 0.45 | 270.0 | 0.1352 | 0.213 |
| 0.45 | 282.0 | -0.0141 | 0.1852 |
| 0.45 | 294.0 | 0.073 | 0.1509 |
| 0.45 | 306.0 | 0.0099 | 0.2688 |
| 0.55 | 66.0 | -0.0096 | 0.1887 |
| 0.55 | 78.0 | -0.1462 | 0.1241 |
| 0.55 | 90.0 | 0.1321 | 0.1465 |
| 0.55 | 102.0 | 0.1717 | 0.2357 |
| 0.55 | 258.0 | 0.2958 | 0.206 |
| 0.55 | 270.0 | -0.1784 | 0.1796 |
| 0.55 | 282.0 | -0.0385 | 0.1698 |
| 0.55 | 294.0 | -0.1812 | 0.233 |
| 0.65 | 78.0 | -0.2012 | 0.1593 |
| 0.65 | 90.0 | 0.0984 | 0.1712 |
| 0.65 | 102.0 | -0.3053 | 0.1741 |
| 0.65 | 114.0 | -0.0323 | 0.1922 |
| 0.65 | 126.0 | 0.38 | 0.1739 |
| 0.65 | 234.0 | 0.2508 | 0.2437 |
| 0.65 | 246.0 | -0.0216 | 0.1595 |
| 0.65 | 258.0 | 0.0796 | 0.1314 |
| 0.65 | 270.0 | 0.0481 | 0.1408 |
| 0.65 | 282.0 | -0.1577 | 0.1919 |
| 0.75 | 78.0 | 0.0489 | 0.3134 |
| 0.75 | 90.0 | -0.1638 | 0.1959 |
| 0.75 | 102.0 | 0.0288 | 0.153 |
| 0.75 | 114.0 | 0.2216 | 0.1463 |
| 0.75 | 126.0 | 0.3553 | 0.148 |
| 0.75 | 138.0 | 0.161 | 0.1598 |
| 0.75 | 150.0 | -0.0456 | 0.2193 |
| 0.75 | 162.0 | -0.2965 | 0.2579 |
| 0.75 | 222.0 | 0.1331 | 0.1847 |
| 0.75 | 234.0 | -0.1223 | 0.1553 |
| 0.75 | 246.0 | 0.073 | 0.1215 |
| 0.75 | 258.0 | -0.0996 | 0.1184 |
| 0.75 | 270.0 | -0.1182 | 0.1362 |
| 0.75 | 282.0 | 0.1033 | 0.1904 |
| 0.85 | 102.0 | 0.1172 | 0.156 |
| 0.85 | 114.0 | -0.0962 | 0.1325 |
| 0.85 | 126.0 | -0.0449 | 0.1362 |
| 0.85 | 138.0 | 0.0432 | 0.1322 |
| 0.85 | 150.0 | -0.282 | 0.145 |
| 0.85 | 162.0 | 0.4493 | 0.1641 |
| 0.85 | 174.0 | -0.2038 | 0.1991 |
| 0.85 | 186.0 | -0.2691 | 0.2288 |
| 0.85 | 198.0 | 0.0019 | 0.2486 |
| 0.85 | 210.0 | -0.2133 | 0.1738 |
| 0.85 | 222.0 | -0.0969 | 0.1671 |
| 0.85 | 234.0 | -0.0451 | 0.1407 |
| 0.85 | 246.0 | 0.0071 | 0.1279 |
| 0.85 | 258.0 | 0.0944 | 0.13 |
| 0.85 | 270.0 | -0.0905 | 0.1669 |
| 0.85 | 282.0 | -0.2383 | 0.2292 |
| 0.95 | 126.0 | 0.0997 | 0.2215 |
| 0.95 | 138.0 | -0.2265 | 0.2083 |
| 0.95 | 150.0 | -0.411 | 0.2015 |
| 0.95 | 162.0 | -0.0591 | 0.2229 |
| 0.95 | 174.0 | -0.2046 | 0.1984 |
| 0.95 | 186.0 | -0.1576 | 0.215 |
| 0.95 | 198.0 | -0.478 | 0.2002 |
| 0.95 | 210.0 | -0.6999 | 0.1728 |
| 0.95 | 222.0 | -0.3349 | 0.2252 |
| 0.95 | 234.0 | -0.1536 | 0.2352 |
| 0.95 | 246.0 | 0.4715 | 0.2204 |
| 0.95 | 258.0 | -0.2348 | 0.2483 |
Experiment comment: