Measurement E151M3582
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0912 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1715.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8771 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 54.0 | -0.0578 | 0.2725 |
| 0.15 | 282.0 | 0.1039 | 0.2827 |
| 0.25 | 66.0 | -0.0703 | 0.25 |
| 0.25 | 270.0 | 0.1532 | 0.2837 |
| 0.35 | 258.0 | 0.0934 | 0.2589 |
| 0.35 | 270.0 | 0.15 | 0.2463 |
| 0.35 | 282.0 | 0.2648 | 0.2187 |
| 0.35 | 294.0 | -0.1162 | 0.2735 |
| 0.45 | 114.0 | 0.2003 | 0.2219 |
| 0.45 | 126.0 | -0.0598 | 0.2111 |
| 0.45 | 138.0 | -0.0356 | 0.2786 |
| 0.45 | 258.0 | -0.4798 | 0.2206 |
| 0.45 | 270.0 | -0.101 | 0.2421 |
| 0.45 | 282.0 | -0.2936 | 0.1846 |
| 0.55 | 66.0 | -0.2015 | 0.2309 |
| 0.55 | 90.0 | 0.1022 | 0.2679 |
| 0.55 | 102.0 | 0.0105 | 0.2373 |
| 0.55 | 114.0 | 0.2426 | 0.185 |
| 0.55 | 126.0 | -0.1109 | 0.2168 |
| 0.55 | 138.0 | -0.1113 | 0.2297 |
| 0.55 | 186.0 | 0.0309 | 0.2574 |
| 0.55 | 198.0 | -0.2642 | 0.231 |
| 0.55 | 210.0 | 0.0538 | 0.2398 |
| 0.55 | 222.0 | -0.1204 | 0.246 |
| 0.55 | 258.0 | -0.1174 | 0.259 |
| 0.55 | 270.0 | -0.0966 | 0.233 |
| 0.55 | 294.0 | -0.2598 | 0.2469 |
| 0.65 | 54.0 | 0.1502 | 0.2074 |
| 0.65 | 66.0 | 0.1718 | 0.242 |
| 0.65 | 78.0 | 0.1565 | 0.2908 |
| 0.65 | 102.0 | -0.2283 | 0.2201 |
| 0.65 | 114.0 | -0.0435 | 0.18 |
| 0.65 | 126.0 | -0.004 | 0.1836 |
| 0.65 | 138.0 | -0.0875 | 0.2422 |
| 0.65 | 186.0 | -0.03 | 0.219 |
| 0.65 | 198.0 | 0.4075 | 0.1948 |
| 0.65 | 210.0 | 0.1259 | 0.1826 |
| 0.65 | 222.0 | -0.1352 | 0.1966 |
| 0.65 | 234.0 | 0.3579 | 0.2083 |
| 0.65 | 258.0 | -0.307 | 0.2392 |
| 0.65 | 282.0 | 0.2289 | 0.1975 |
| 0.65 | 294.0 | -0.2452 | 0.1937 |
| 0.75 | 90.0 | 0.0286 | 0.226 |
| 0.75 | 102.0 | 0.1315 | 0.2345 |
| 0.75 | 114.0 | 0.0883 | 0.2271 |
| 0.75 | 126.0 | 0.5238 | 0.1541 |
| 0.75 | 138.0 | 0.1616 | 0.2606 |
| 0.75 | 174.0 | -0.0355 | 0.2487 |
| 0.75 | 186.0 | 0.0775 | 0.2244 |
| 0.75 | 198.0 | -0.2323 | 0.1793 |
| 0.75 | 210.0 | 0.051 | 0.1745 |
| 0.75 | 222.0 | 0.2733 | 0.1553 |
| 0.75 | 234.0 | -0.0956 | 0.1819 |
| 0.75 | 246.0 | -0.129 | 0.2474 |
| 0.75 | 270.0 | -0.0459 | 0.1821 |
| 0.75 | 282.0 | -0.4343 | 0.1775 |
| 0.75 | 294.0 | 0.4426 | 0.1764 |
| 0.85 | 78.0 | -0.0299 | 0.1807 |
| 0.85 | 90.0 | -0.1576 | 0.1534 |
| 0.85 | 102.0 | 0.1848 | 0.1375 |
| 0.85 | 114.0 | -0.3723 | 0.1582 |
| 0.85 | 126.0 | 0.4248 | 0.2499 |
| 0.85 | 174.0 | 0.2184 | 0.2217 |
| 0.85 | 186.0 | -0.3026 | 0.1676 |
| 0.85 | 198.0 | 0.1127 | 0.1686 |
| 0.85 | 210.0 | -0.0581 | 0.136 |
| 0.85 | 222.0 | -0.1997 | 0.1482 |
| 0.85 | 234.0 | 0.0258 | 0.1382 |
| 0.85 | 246.0 | -0.0664 | 0.18 |
| 0.85 | 258.0 | -0.2816 | 0.2166 |
| 0.85 | 270.0 | 0.7946 | 0.1787 |
| 0.85 | 282.0 | -0.2026 | 0.2249 |
| 0.95 | 90.0 | 0.1748 | 0.2717 |
| 0.95 | 102.0 | 0.2154 | 0.2467 |
| 0.95 | 114.0 | -0.2552 | 0.249 |
| 0.95 | 126.0 | -0.1757 | 0.29 |
| 0.95 | 162.0 | -0.0113 | 0.2792 |
| 0.95 | 174.0 | 0.1795 | 0.273 |
| 0.95 | 186.0 | -0.2441 | 0.2085 |
| 0.95 | 198.0 | -0.1939 | 0.2024 |
| 0.95 | 210.0 | -0.4938 | 0.1589 |
| 0.95 | 222.0 | 0.4293 | 0.1747 |
| 0.95 | 234.0 | -0.0266 | 0.1736 |
| 0.95 | 246.0 | 0.0287 | 0.1836 |
| 0.95 | 258.0 | -0.0928 | 0.2572 |
Experiment comment: