Measurement E151M2964
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2638 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9476 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.0931 | 0.2845 |
| 0.15 | 54.0 | 0.071 | 0.2531 |
| 0.15 | 66.0 | -0.1189 | 0.2583 |
| 0.15 | 306.0 | -0.2219 | 0.1855 |
| 0.15 | 318.0 | -0.3601 | 0.2293 |
| 0.25 | 66.0 | 0.2075 | 0.2046 |
| 0.25 | 78.0 | -0.0299 | 0.1971 |
| 0.25 | 294.0 | 0.0392 | 0.1743 |
| 0.25 | 306.0 | 0.0939 | 0.168 |
| 0.25 | 318.0 | -0.1189 | 0.2712 |
| 0.35 | 54.0 | 0.1876 | 0.2698 |
| 0.35 | 66.0 | 0.0347 | 0.1635 |
| 0.35 | 78.0 | -0.1568 | 0.1635 |
| 0.35 | 90.0 | -0.2988 | 0.2336 |
| 0.35 | 282.0 | 0.1734 | 0.2136 |
| 0.35 | 294.0 | -0.1289 | 0.1561 |
| 0.35 | 306.0 | 0.1643 | 0.1642 |
| 0.45 | 66.0 | -0.1882 | 0.1309 |
| 0.45 | 78.0 | 0.0388 | 0.1261 |
| 0.45 | 90.0 | -0.0798 | 0.1547 |
| 0.45 | 270.0 | -0.0163 | 0.2621 |
| 0.45 | 282.0 | -0.134 | 0.1549 |
| 0.45 | 294.0 | -0.1678 | 0.1548 |
| 0.45 | 306.0 | 0.0926 | 0.2415 |
| 0.55 | 66.0 | 0.0624 | 0.2095 |
| 0.55 | 78.0 | 0.2496 | 0.1388 |
| 0.55 | 90.0 | 0.0358 | 0.1728 |
| 0.55 | 102.0 | 0.2458 | 0.2603 |
| 0.55 | 246.0 | -0.1679 | 0.2745 |
| 0.55 | 258.0 | 0.1779 | 0.1974 |
| 0.55 | 270.0 | -0.035 | 0.1755 |
| 0.55 | 282.0 | 0.143 | 0.158 |
| 0.55 | 294.0 | -0.1218 | 0.1898 |
| 0.65 | 66.0 | -0.2306 | 0.2355 |
| 0.65 | 78.0 | 0.0273 | 0.1809 |
| 0.65 | 90.0 | 0.132 | 0.1824 |
| 0.65 | 102.0 | 0.4401 | 0.1759 |
| 0.65 | 114.0 | -0.362 | 0.177 |
| 0.65 | 126.0 | -0.1152 | 0.1953 |
| 0.65 | 234.0 | -0.3554 | 0.1721 |
| 0.65 | 246.0 | -0.2169 | 0.1517 |
| 0.65 | 258.0 | 0.0785 | 0.1369 |
| 0.65 | 270.0 | -0.097 | 0.1701 |
| 0.65 | 282.0 | 0.1391 | 0.197 |
| 0.75 | 90.0 | 0.1848 | 0.1794 |
| 0.75 | 102.0 | 0.107 | 0.1633 |
| 0.75 | 114.0 | 0.0716 | 0.1594 |
| 0.75 | 126.0 | -0.1056 | 0.1508 |
| 0.75 | 138.0 | -0.0486 | 0.1409 |
| 0.75 | 150.0 | 0.3021 | 0.2028 |
| 0.75 | 210.0 | 0.1761 | 0.2492 |
| 0.75 | 222.0 | 0.1969 | 0.1784 |
| 0.75 | 234.0 | -0.0317 | 0.1453 |
| 0.75 | 246.0 | -0.2176 | 0.12 |
| 0.75 | 258.0 | 0.0531 | 0.1354 |
| 0.75 | 270.0 | -0.17 | 0.14 |
| 0.75 | 282.0 | -0.2726 | 0.185 |
| 0.85 | 102.0 | -0.1064 | 0.1591 |
| 0.85 | 114.0 | -0.0132 | 0.1301 |
| 0.85 | 126.0 | 0.114 | 0.1377 |
| 0.85 | 138.0 | 0.0562 | 0.1404 |
| 0.85 | 150.0 | 0.5758 | 0.1376 |
| 0.85 | 162.0 | -0.0126 | 0.1799 |
| 0.85 | 174.0 | -0.3276 | 0.1959 |
| 0.85 | 198.0 | 0.5999 | 0.2487 |
| 0.85 | 210.0 | 0.0415 | 0.2123 |
| 0.85 | 222.0 | -0.2335 | 0.1664 |
| 0.85 | 234.0 | -0.0573 | 0.1362 |
| 0.85 | 246.0 | -0.1602 | 0.1287 |
| 0.85 | 258.0 | -0.2005 | 0.1196 |
| 0.85 | 270.0 | 0.0737 | 0.1421 |
| 0.85 | 282.0 | 0.1828 | 0.2157 |
| 0.95 | 126.0 | 0.0145 | 0.2209 |
| 0.95 | 138.0 | -0.0877 | 0.2017 |
| 0.95 | 150.0 | 0.0254 | 0.2288 |
| 0.95 | 162.0 | -0.0949 | 0.266 |
| 0.95 | 174.0 | -0.1526 | 0.258 |
| 0.95 | 198.0 | 0.4901 | 0.2442 |
| 0.95 | 210.0 | 0.1722 | 0.2215 |
| 0.95 | 222.0 | -0.0778 | 0.2327 |
| 0.95 | 234.0 | 0.057 | 0.1942 |
| 0.95 | 246.0 | -0.1387 | 0.1703 |
| 0.95 | 258.0 | -0.0134 | 0.2008 |
| 0.95 | 270.0 | -0.4164 | 0.2052 |
Experiment comment: