Measurement E151M3568
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1016 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1685.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.889 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 270.0 | -0.0044 | 0.2793 |
| 0.25 | 66.0 | 0.1062 | 0.2871 |
| 0.25 | 78.0 | 0.0536 | 0.274 |
| 0.25 | 270.0 | 0.8178 | 0.181 |
| 0.25 | 282.0 | -0.0669 | 0.2369 |
| 0.35 | 66.0 | -0.0523 | 0.2208 |
| 0.35 | 114.0 | 0.1814 | 0.2046 |
| 0.35 | 270.0 | 0.3042 | 0.1999 |
| 0.35 | 282.0 | 0.2053 | 0.2003 |
| 0.35 | 294.0 | -0.1212 | 0.2553 |
| 0.45 | 66.0 | -0.0227 | 0.2322 |
| 0.45 | 78.0 | -0.0707 | 0.2383 |
| 0.45 | 90.0 | -0.0788 | 0.2651 |
| 0.45 | 102.0 | -0.2199 | 0.2383 |
| 0.45 | 114.0 | -0.0846 | 0.2107 |
| 0.45 | 126.0 | 0.0817 | 0.1882 |
| 0.45 | 138.0 | -0.3569 | 0.2345 |
| 0.45 | 222.0 | -0.2351 | 0.2479 |
| 0.45 | 258.0 | 0.2628 | 0.2396 |
| 0.45 | 270.0 | 0.2249 | 0.1769 |
| 0.45 | 282.0 | 0.0162 | 0.1673 |
| 0.45 | 294.0 | -0.2327 | 0.226 |
| 0.55 | 42.0 | 0.3554 | 0.2445 |
| 0.55 | 66.0 | 0.0762 | 0.2509 |
| 0.55 | 78.0 | -0.4439 | 0.2636 |
| 0.55 | 90.0 | -0.2117 | 0.2322 |
| 0.55 | 102.0 | 0.3577 | 0.1841 |
| 0.55 | 114.0 | 0.1746 | 0.1701 |
| 0.55 | 126.0 | -0.1059 | 0.2002 |
| 0.55 | 138.0 | -0.0854 | 0.2152 |
| 0.55 | 186.0 | 0.2343 | 0.225 |
| 0.55 | 198.0 | 0.5164 | 0.2194 |
| 0.55 | 210.0 | 0.3071 | 0.1994 |
| 0.55 | 222.0 | 0.0218 | 0.2378 |
| 0.55 | 234.0 | 0.1156 | 0.2382 |
| 0.55 | 246.0 | -0.1235 | 0.2628 |
| 0.55 | 258.0 | -0.0864 | 0.1925 |
| 0.55 | 270.0 | 0.0263 | 0.157 |
| 0.55 | 282.0 | 0.1801 | 0.2086 |
| 0.55 | 294.0 | -0.411 | 0.2354 |
| 0.65 | 42.0 | -0.326 | 0.2637 |
| 0.65 | 54.0 | -0.2254 | 0.1753 |
| 0.65 | 66.0 | 0.336 | 0.2233 |
| 0.65 | 78.0 | -0.0272 | 0.2298 |
| 0.65 | 90.0 | 0.0835 | 0.2708 |
| 0.65 | 102.0 | -0.0139 | 0.1639 |
| 0.65 | 114.0 | -0.0316 | 0.1426 |
| 0.65 | 126.0 | 0.0816 | 0.1793 |
| 0.65 | 138.0 | 0.0297 | 0.2083 |
| 0.65 | 150.0 | 0.228 | 0.2597 |
| 0.65 | 186.0 | -0.0171 | 0.2491 |
| 0.65 | 198.0 | -0.1748 | 0.1816 |
| 0.65 | 210.0 | 0.2842 | 0.1737 |
| 0.65 | 222.0 | 0.3036 | 0.1586 |
| 0.65 | 234.0 | 0.1473 | 0.2447 |
| 0.65 | 246.0 | 0.0879 | 0.2572 |
| 0.65 | 258.0 | -0.2504 | 0.2601 |
| 0.65 | 282.0 | 0.046 | 0.1746 |
| 0.65 | 294.0 | 0.2042 | 0.1557 |
| 0.65 | 306.0 | 0.0983 | 0.2179 |
| 0.75 | 54.0 | -0.3585 | 0.2801 |
| 0.75 | 78.0 | -0.4027 | 0.1841 |
| 0.75 | 90.0 | -0.1829 | 0.1715 |
| 0.75 | 102.0 | 0.0001 | 0.2014 |
| 0.75 | 114.0 | 0.1589 | 0.1666 |
| 0.75 | 126.0 | -0.0207 | 0.1601 |
| 0.75 | 138.0 | -0.0036 | 0.182 |
| 0.75 | 150.0 | -0.1078 | 0.2451 |
| 0.75 | 174.0 | 0.2675 | 0.2294 |
| 0.75 | 186.0 | 0.1203 | 0.1797 |
| 0.75 | 198.0 | -0.3332 | 0.163 |
| 0.75 | 210.0 | -0.0391 | 0.1496 |
| 0.75 | 222.0 | -0.053 | 0.1352 |
| 0.75 | 234.0 | 0.0614 | 0.1747 |
| 0.75 | 246.0 | 0.0935 | 0.191 |
| 0.75 | 258.0 | -0.0543 | 0.2254 |
| 0.75 | 270.0 | -0.0963 | 0.1726 |
| 0.75 | 282.0 | 0.0385 | 0.162 |
| 0.75 | 294.0 | -0.0543 | 0.149 |
| 0.75 | 306.0 | 0.1242 | 0.2608 |
| 0.85 | 78.0 | 0.0393 | 0.1581 |
| 0.85 | 90.0 | -0.0587 | 0.1328 |
| 0.85 | 102.0 | -0.1286 | 0.152 |
| 0.85 | 114.0 | 0.1844 | 0.1585 |
| 0.85 | 126.0 | 0.4262 | 0.1904 |
| 0.85 | 138.0 | 0.1811 | 0.2726 |
| 0.85 | 162.0 | 0.0073 | 0.2556 |
| 0.85 | 174.0 | -0.1609 | 0.2064 |
| 0.85 | 186.0 | 0.0473 | 0.1715 |
| 0.85 | 198.0 | -0.2805 | 0.1428 |
| 0.85 | 210.0 | -0.1169 | 0.1349 |
| 0.85 | 222.0 | -0.098 | 0.1312 |
| 0.85 | 234.0 | 0.0869 | 0.1429 |
| 0.85 | 246.0 | -0.2733 | 0.1603 |
| 0.85 | 258.0 | 0.1928 | 0.1855 |
| 0.85 | 270.0 | 0.0573 | 0.2051 |
| 0.85 | 282.0 | -0.655 | 0.1912 |
| 0.85 | 294.0 | -0.3827 | 0.2362 |
| 0.95 | 90.0 | -0.186 | 0.2264 |
| 0.95 | 102.0 | 0.2065 | 0.193 |
| 0.95 | 114.0 | -0.054 | 0.2632 |
| 0.95 | 162.0 | 0.0012 | 0.2627 |
| 0.95 | 174.0 | -0.6105 | 0.1944 |
| 0.95 | 186.0 | -0.0205 | 0.1955 |
| 0.95 | 198.0 | -0.2018 | 0.1658 |
| 0.95 | 210.0 | 0.3067 | 0.1665 |
| 0.95 | 222.0 | -0.1883 | 0.1491 |
| 0.95 | 234.0 | 0.0646 | 0.1624 |
| 0.95 | 246.0 | -0.0347 | 0.161 |
| 0.95 | 258.0 | -0.0207 | 0.1918 |
Experiment comment: