Measurement E151M3520
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2105 | |
| Q2: | 0.205 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9175 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 54.0 | 0.0033 | 0.2733 |
| 0.15 | 66.0 | 0.1931 | 0.2672 |
| 0.15 | 282.0 | -0.1215 | 0.2503 |
| 0.25 | 66.0 | 0.4351 | 0.2139 |
| 0.25 | 282.0 | -0.0588 | 0.2283 |
| 0.25 | 294.0 | 0.2052 | 0.2523 |
| 0.35 | 66.0 | 0.2752 | 0.2001 |
| 0.35 | 270.0 | 0.1904 | 0.2188 |
| 0.35 | 282.0 | 0.1475 | 0.2101 |
| 0.45 | 54.0 | -0.1737 | 0.2622 |
| 0.45 | 66.0 | 0.4913 | 0.2141 |
| 0.45 | 90.0 | 0.0917 | 0.2615 |
| 0.45 | 102.0 | 0.014 | 0.2312 |
| 0.45 | 114.0 | 0.015 | 0.2719 |
| 0.45 | 258.0 | -0.2135 | 0.2661 |
| 0.45 | 270.0 | -0.0336 | 0.2115 |
| 0.45 | 282.0 | -0.2544 | 0.1662 |
| 0.45 | 294.0 | -0.113 | 0.2402 |
| 0.55 | 54.0 | 0.1872 | 0.2378 |
| 0.55 | 90.0 | -0.1719 | 0.205 |
| 0.55 | 102.0 | -0.0471 | 0.1625 |
| 0.55 | 114.0 | 0.0743 | 0.1617 |
| 0.55 | 126.0 | -0.0814 | 0.2062 |
| 0.55 | 138.0 | -0.2073 | 0.2469 |
| 0.55 | 234.0 | -0.1466 | 0.2543 |
| 0.55 | 258.0 | 0.072 | 0.2494 |
| 0.55 | 270.0 | -0.0516 | 0.2323 |
| 0.55 | 282.0 | 0.1947 | 0.1915 |
| 0.55 | 306.0 | -0.0515 | 0.2178 |
| 0.65 | 90.0 | -0.072 | 0.1714 |
| 0.65 | 102.0 | 0.164 | 0.1437 |
| 0.65 | 114.0 | 0.0392 | 0.1815 |
| 0.65 | 126.0 | -0.064 | 0.2062 |
| 0.65 | 138.0 | 0.2444 | 0.2332 |
| 0.65 | 198.0 | 0.1432 | 0.2511 |
| 0.65 | 210.0 | -0.1503 | 0.2547 |
| 0.65 | 222.0 | 0.1609 | 0.1827 |
| 0.65 | 234.0 | 0.0032 | 0.1699 |
| 0.65 | 246.0 | -0.028 | 0.2033 |
| 0.65 | 258.0 | -0.1408 | 0.2453 |
| 0.65 | 294.0 | 0.108 | 0.203 |
| 0.65 | 306.0 | -0.0545 | 0.17 |
| 0.75 | 66.0 | -0.0785 | 0.2238 |
| 0.75 | 78.0 | -0.0869 | 0.1651 |
| 0.75 | 90.0 | 0.0749 | 0.1801 |
| 0.75 | 102.0 | 0.2054 | 0.1344 |
| 0.75 | 114.0 | 0.0237 | 0.1571 |
| 0.75 | 126.0 | 0.1356 | 0.1562 |
| 0.75 | 138.0 | -0.0514 | 0.2245 |
| 0.75 | 186.0 | -0.3231 | 0.1993 |
| 0.75 | 198.0 | 0.0496 | 0.1955 |
| 0.75 | 210.0 | 0.4076 | 0.179 |
| 0.75 | 222.0 | 0.0701 | 0.1567 |
| 0.75 | 234.0 | 0.1446 | 0.1355 |
| 0.75 | 246.0 | 0.1263 | 0.1718 |
| 0.75 | 258.0 | -0.1451 | 0.1773 |
| 0.75 | 270.0 | -0.0796 | 0.2743 |
| 0.75 | 282.0 | -0.3219 | 0.2069 |
| 0.75 | 294.0 | -0.0658 | 0.1918 |
| 0.75 | 306.0 | -0.1719 | 0.2441 |
| 0.85 | 66.0 | -0.1981 | 0.1477 |
| 0.85 | 78.0 | 0.031 | 0.1459 |
| 0.85 | 90.0 | 0.1802 | 0.1729 |
| 0.85 | 102.0 | -0.1007 | 0.2238 |
| 0.85 | 114.0 | 0.1925 | 0.1691 |
| 0.85 | 126.0 | -0.0954 | 0.1692 |
| 0.85 | 138.0 | -0.2428 | 0.1952 |
| 0.85 | 174.0 | -0.2147 | 0.2516 |
| 0.85 | 186.0 | -0.2878 | 0.2356 |
| 0.85 | 198.0 | -0.1176 | 0.1792 |
| 0.85 | 210.0 | 0.1527 | 0.155 |
| 0.85 | 222.0 | -0.0541 | 0.1507 |
| 0.85 | 234.0 | -0.2067 | 0.132 |
| 0.85 | 246.0 | -0.0489 | 0.1166 |
| 0.85 | 258.0 | -0.1874 | 0.1483 |
| 0.85 | 270.0 | 0.0228 | 0.1686 |
| 0.85 | 282.0 | 0.3725 | 0.2167 |
| 0.85 | 294.0 | 0.058 | 0.2438 |
| 0.95 | 66.0 | -0.3062 | 0.2376 |
| 0.95 | 78.0 | 0.183 | 0.2064 |
| 0.95 | 90.0 | -0.1199 | 0.1725 |
| 0.95 | 102.0 | -0.2585 | 0.2265 |
| 0.95 | 162.0 | -0.2985 | 0.2726 |
| 0.95 | 174.0 | -0.2769 | 0.2501 |
| 0.95 | 186.0 | -0.0134 | 0.187 |
| 0.95 | 198.0 | -0.0472 | 0.1992 |
| 0.95 | 210.0 | -0.3239 | 0.1975 |
| 0.95 | 222.0 | 0.008 | 0.16 |
| 0.95 | 234.0 | -0.1333 | 0.1445 |
| 0.95 | 246.0 | 0.0491 | 0.1602 |
| 0.95 | 258.0 | 0.1396 | 0.1483 |
| 0.95 | 270.0 | 0.0383 | 0.1409 |
| 0.95 | 282.0 | 0.0802 | 0.148 |
| 0.95 | 294.0 | -0.2981 | 0.1557 |
Experiment comment: