Measurement E151M3450
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5489 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9449 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.05 | 54.0 | -0.3444 | 0.2426 |
| 0.05 | 54.0 | -0.7188 | 0.2039 |
| 0.05 | 66.0 | -0.2753 | 0.2765 |
| 0.05 | 306.0 | 0.0934 | 0.2607 |
| 0.15 | 54.0 | 0.3197 | 0.2493 |
| 0.15 | 66.0 | -0.2236 | 0.2483 |
| 0.15 | 294.0 | 0.1194 | 0.2113 |
| 0.15 | 306.0 | 0.112 | 0.2478 |
| 0.25 | 66.0 | 0.315 | 0.1928 |
| 0.25 | 282.0 | -0.1808 | 0.2424 |
| 0.25 | 294.0 | -0.0666 | 0.2528 |
| 0.25 | 306.0 | 0.3119 | 0.2719 |
| 0.35 | 54.0 | 0.3825 | 0.2392 |
| 0.35 | 66.0 | -0.0703 | 0.2145 |
| 0.35 | 282.0 | 0.1999 | 0.2644 |
| 0.35 | 294.0 | 0.1562 | 0.2303 |
| 0.45 | 90.0 | -0.238 | 0.2512 |
| 0.45 | 102.0 | -0.1988 | 0.2729 |
| 0.45 | 282.0 | 0.003 | 0.2609 |
| 0.45 | 294.0 | -0.0965 | 0.2211 |
| 0.55 | 78.0 | -0.2077 | 0.1997 |
| 0.55 | 90.0 | 0.0231 | 0.1923 |
| 0.55 | 102.0 | 0.0087 | 0.1902 |
| 0.55 | 270.0 | -0.077 | 0.2458 |
| 0.55 | 282.0 | -0.0738 | 0.2625 |
| 0.65 | 54.0 | 0.3153 | 0.2531 |
| 0.65 | 66.0 | 0.488 | 0.2396 |
| 0.65 | 78.0 | -0.0435 | 0.1669 |
| 0.65 | 90.0 | 0.1987 | 0.1284 |
| 0.65 | 102.0 | -0.5276 | 0.1691 |
| 0.65 | 114.0 | 0.18 | 0.1893 |
| 0.65 | 246.0 | 0.0733 | 0.2346 |
| 0.65 | 258.0 | -0.1537 | 0.2043 |
| 0.65 | 270.0 | -0.3296 | 0.1882 |
| 0.65 | 282.0 | 0.0112 | 0.2172 |
| 0.75 | 54.0 | 0.1053 | 0.203 |
| 0.75 | 66.0 | 0.009 | 0.2407 |
| 0.75 | 78.0 | -0.0568 | 0.1316 |
| 0.75 | 90.0 | 0.0562 | 0.1363 |
| 0.75 | 102.0 | -0.0285 | 0.155 |
| 0.75 | 114.0 | -0.3139 | 0.1482 |
| 0.75 | 126.0 | 0.0365 | 0.2195 |
| 0.75 | 234.0 | -0.2115 | 0.1913 |
| 0.75 | 246.0 | -0.409 | 0.162 |
| 0.75 | 258.0 | 0.1565 | 0.1377 |
| 0.75 | 270.0 | -0.141 | 0.1509 |
| 0.75 | 282.0 | 0.1194 | 0.1509 |
| 0.75 | 294.0 | 0.0893 | 0.1915 |
| 0.75 | 306.0 | -0.1488 | 0.2053 |
| 0.85 | 54.0 | 0.2316 | 0.1696 |
| 0.85 | 78.0 | 0.2526 | 0.1424 |
| 0.85 | 90.0 | 0.0162 | 0.1371 |
| 0.85 | 102.0 | 0.0667 | 0.1414 |
| 0.85 | 114.0 | 0.3909 | 0.1388 |
| 0.85 | 126.0 | 0.078 | 0.1893 |
| 0.85 | 138.0 | -0.2078 | 0.1911 |
| 0.85 | 210.0 | 0.2004 | 0.2122 |
| 0.85 | 222.0 | -0.1362 | 0.1725 |
| 0.85 | 234.0 | -0.1781 | 0.1496 |
| 0.85 | 246.0 | 0.0354 | 0.1445 |
| 0.85 | 258.0 | -0.0569 | 0.1486 |
| 0.85 | 270.0 | -0.082 | 0.1368 |
| 0.85 | 282.0 | -0.0781 | 0.1557 |
| 0.85 | 294.0 | -0.1453 | 0.1414 |
| 0.85 | 306.0 | 0.2869 | 0.1343 |
| 0.85 | 318.0 | -0.1502 | 0.2102 |
| 0.95 | 78.0 | 0.4764 | 0.1639 |
| 0.95 | 90.0 | -0.097 | 0.2071 |
| 0.95 | 102.0 | 0.3746 | 0.1691 |
| 0.95 | 114.0 | 0.2675 | 0.2023 |
| 0.95 | 126.0 | 0.1084 | 0.2219 |
| 0.95 | 138.0 | 0.0132 | 0.2944 |
| 0.95 | 162.0 | -0.0666 | 0.2805 |
| 0.95 | 174.0 | -0.2557 | 0.2702 |
| 0.95 | 186.0 | -0.1523 | 0.2613 |
| 0.95 | 198.0 | -0.3638 | 0.2247 |
| 0.95 | 210.0 | 0.0954 | 0.1861 |
| 0.95 | 222.0 | 0.0869 | 0.1986 |
| 0.95 | 234.0 | 0.2454 | 0.1642 |
| 0.95 | 246.0 | -0.0562 | 0.1888 |
| 0.95 | 258.0 | -0.065 | 0.1532 |
| 0.95 | 270.0 | 0.3749 | 0.17 |
| 0.95 | 282.0 | -0.183 | 0.1876 |
| 0.95 | 294.0 | -0.0803 | 0.1724 |
| 0.95 | 306.0 | -0.373 | 0.1515 |
| 0.95 | 318.0 | 0.0528 | 0.1763 |
| 0.95 | 330.0 | 0.1891 | 0.2585 |
Experiment comment: