Measurement E151M3491
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1527 | |
| Q2: | 0.101 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9477 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 54.0 | 0.1021 | 0.2664 |
| 0.15 | 66.0 | 0.157 | 0.2294 |
| 0.25 | 54.0 | -0.0595 | 0.2771 |
| 0.25 | 66.0 | -0.1946 | 0.1746 |
| 0.25 | 78.0 | -0.2452 | 0.2258 |
| 0.25 | 282.0 | -0.2498 | 0.2395 |
| 0.25 | 294.0 | 0.0163 | 0.2424 |
| 0.35 | 66.0 | -0.3648 | 0.1828 |
| 0.35 | 78.0 | -0.3261 | 0.1637 |
| 0.35 | 270.0 | 0.3075 | 0.2474 |
| 0.35 | 282.0 | 0.3767 | 0.162 |
| 0.35 | 294.0 | -0.4641 | 0.232 |
| 0.45 | 66.0 | -0.1417 | 0.2383 |
| 0.45 | 78.0 | 0.014 | 0.2166 |
| 0.45 | 102.0 | 0.1444 | 0.2576 |
| 0.45 | 270.0 | 0.1681 | 0.1984 |
| 0.45 | 282.0 | -0.2119 | 0.1742 |
| 0.45 | 294.0 | 0.1648 | 0.199 |
| 0.55 | 54.0 | -0.2224 | 0.2854 |
| 0.55 | 66.0 | 0.1817 | 0.2044 |
| 0.55 | 78.0 | -0.4185 | 0.2424 |
| 0.55 | 90.0 | 0.0813 | 0.2812 |
| 0.55 | 102.0 | -0.1486 | 0.2145 |
| 0.55 | 114.0 | 0.1491 | 0.1867 |
| 0.55 | 126.0 | 0.5464 | 0.1843 |
| 0.55 | 270.0 | 0.3787 | 0.2129 |
| 0.55 | 282.0 | 0.061 | 0.2201 |
| 0.55 | 306.0 | -0.2742 | 0.2163 |
| 0.65 | 54.0 | 0.0606 | 0.2734 |
| 0.65 | 90.0 | 0.2104 | 0.2187 |
| 0.65 | 102.0 | -0.0621 | 0.1572 |
| 0.65 | 114.0 | 0.0846 | 0.1851 |
| 0.65 | 126.0 | -0.1282 | 0.1631 |
| 0.65 | 138.0 | 0.1157 | 0.1818 |
| 0.65 | 198.0 | -0.5262 | 0.1842 |
| 0.65 | 210.0 | -0.0198 | 0.2465 |
| 0.65 | 222.0 | -0.2243 | 0.1848 |
| 0.65 | 234.0 | -0.0765 | 0.1856 |
| 0.65 | 246.0 | 0.1026 | 0.1868 |
| 0.65 | 270.0 | -0.1885 | 0.2727 |
| 0.65 | 294.0 | -0.3067 | 0.2147 |
| 0.65 | 306.0 | -0.147 | 0.2565 |
| 0.75 | 90.0 | -0.1231 | 0.2225 |
| 0.75 | 102.0 | 0.061 | 0.1665 |
| 0.75 | 114.0 | 0.1662 | 0.1675 |
| 0.75 | 126.0 | 0.3528 | 0.157 |
| 0.75 | 138.0 | -0.1031 | 0.1829 |
| 0.75 | 150.0 | 0.4774 | 0.2322 |
| 0.75 | 186.0 | -0.442 | 0.2357 |
| 0.75 | 198.0 | -0.0211 | 0.2475 |
| 0.75 | 210.0 | 0.1802 | 0.189 |
| 0.75 | 222.0 | -0.1632 | 0.1831 |
| 0.75 | 234.0 | -0.3056 | 0.1441 |
| 0.75 | 246.0 | -0.2238 | 0.155 |
| 0.75 | 258.0 | 0.1119 | 0.1955 |
| 0.75 | 282.0 | 0.2892 | 0.2438 |
| 0.75 | 294.0 | 0.0902 | 0.3501 |
| 0.85 | 78.0 | 0.2573 | 0.2039 |
| 0.85 | 90.0 | 0.2016 | 0.1828 |
| 0.85 | 102.0 | -0.2042 | 0.2003 |
| 0.85 | 114.0 | 0.2397 | 0.1943 |
| 0.85 | 126.0 | -0.2693 | 0.159 |
| 0.85 | 138.0 | -0.1563 | 0.2105 |
| 0.85 | 150.0 | 0.1345 | 0.2411 |
| 0.85 | 198.0 | -0.1566 | 0.2136 |
| 0.85 | 210.0 | 0.4909 | 0.1633 |
| 0.85 | 222.0 | 0.1585 | 0.1683 |
| 0.85 | 234.0 | 0.0181 | 0.147 |
| 0.85 | 246.0 | -0.2766 | 0.1353 |
| 0.85 | 258.0 | -0.2575 | 0.1626 |
| 0.85 | 270.0 | -0.2001 | 0.2855 |
| 0.95 | 90.0 | 0.579 | 0.1695 |
| 0.95 | 102.0 | -0.2415 | 0.2594 |
| 0.95 | 186.0 | 0.3839 | 0.2528 |
| 0.95 | 210.0 | 0.6083 | 0.2238 |
| 0.95 | 222.0 | 0.2469 | 0.2018 |
| 0.95 | 234.0 | -0.2242 | 0.1991 |
| 0.95 | 246.0 | 0.0118 | 0.1763 |
| 0.95 | 258.0 | -0.0543 | 0.1681 |
| 0.95 | 270.0 | -0.1501 | 0.201 |
Experiment comment: