Measurement E151M3071
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0896 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8598 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.093 | 0.2719 |
| 0.25 | 78.0 | 0.1033 | 0.2401 |
| 0.25 | 282.0 | -0.0327 | 0.2474 |
| 0.35 | 18.0 | -0.3155 | 0.2637 |
| 0.35 | 30.0 | -0.0501 | 0.2359 |
| 0.35 | 66.0 | -0.1468 | 0.1913 |
| 0.35 | 78.0 | 0.0315 | 0.1872 |
| 0.35 | 90.0 | -0.0232 | 0.2749 |
| 0.35 | 270.0 | -0.277 | 0.2175 |
| 0.35 | 282.0 | -0.3674 | 0.2065 |
| 0.35 | 294.0 | -0.2453 | 0.2093 |
| 0.35 | 330.0 | 0.2612 | 0.2553 |
| 0.45 | 66.0 | 0.0753 | 0.2488 |
| 0.45 | 78.0 | 0.1901 | 0.1658 |
| 0.45 | 90.0 | 0.0961 | 0.2364 |
| 0.45 | 102.0 | 0.0582 | 0.268 |
| 0.45 | 258.0 | 0.1597 | 0.2225 |
| 0.45 | 270.0 | -0.0999 | 0.2021 |
| 0.45 | 282.0 | 0.0416 | 0.2175 |
| 0.45 | 294.0 | 0.0485 | 0.1859 |
| 0.55 | 78.0 | -0.1902 | 0.2093 |
| 0.55 | 90.0 | -0.0662 | 0.2408 |
| 0.55 | 102.0 | 0.0529 | 0.2468 |
| 0.55 | 114.0 | -0.107 | 0.2555 |
| 0.55 | 126.0 | -0.0052 | 0.2216 |
| 0.55 | 138.0 | -0.0972 | 0.2665 |
| 0.55 | 150.0 | 0.1232 | 0.2563 |
| 0.55 | 198.0 | -0.3036 | 0.2452 |
| 0.55 | 210.0 | -0.0759 | 0.2298 |
| 0.55 | 222.0 | 0.0979 | 0.2219 |
| 0.55 | 234.0 | 0.2032 | 0.2068 |
| 0.55 | 246.0 | 0.1511 | 0.2574 |
| 0.55 | 258.0 | -0.1907 | 0.201 |
| 0.55 | 270.0 | -0.0718 | 0.2054 |
| 0.55 | 282.0 | -0.129 | 0.2 |
| 0.55 | 294.0 | -0.7288 | 0.1651 |
| 0.65 | 54.0 | -0.1366 | 0.2926 |
| 0.65 | 66.0 | 0.3875 | 0.232 |
| 0.65 | 78.0 | 0.0136 | 0.2837 |
| 0.65 | 102.0 | -0.328 | 0.2261 |
| 0.65 | 114.0 | 0.0022 | 0.1959 |
| 0.65 | 126.0 | -0.0006 | 0.1669 |
| 0.65 | 138.0 | -0.1467 | 0.1889 |
| 0.65 | 150.0 | 0.001 | 0.2294 |
| 0.65 | 198.0 | 0.0201 | 0.2356 |
| 0.65 | 210.0 | 0.2241 | 0.2372 |
| 0.65 | 222.0 | 0.1152 | 0.1921 |
| 0.65 | 234.0 | 0.1158 | 0.2241 |
| 0.65 | 246.0 | -0.2869 | 0.2095 |
| 0.65 | 258.0 | -0.4011 | 0.1931 |
| 0.65 | 270.0 | -0.1562 | 0.2476 |
| 0.65 | 294.0 | -0.1592 | 0.1901 |
| 0.65 | 306.0 | 0.2915 | 0.2667 |
| 0.75 | 102.0 | -0.0623 | 0.2672 |
| 0.75 | 114.0 | 0.0278 | 0.1851 |
| 0.75 | 126.0 | -0.2516 | 0.1884 |
| 0.75 | 138.0 | 0.4025 | 0.1783 |
| 0.75 | 186.0 | 0.3089 | 0.2426 |
| 0.75 | 198.0 | -0.1549 | 0.2354 |
| 0.75 | 210.0 | 0.1842 | 0.1775 |
| 0.75 | 222.0 | -0.077 | 0.1764 |
| 0.75 | 234.0 | -0.1921 | 0.162 |
| 0.75 | 246.0 | 0.2063 | 0.187 |
| 0.75 | 258.0 | 0.0118 | 0.2576 |
| 0.75 | 270.0 | -0.0511 | 0.2973 |
| 0.75 | 282.0 | -0.0553 | 0.1857 |
| 0.75 | 294.0 | -0.012 | 0.2781 |
| 0.85 | 90.0 | 0.254 | 0.2361 |
| 0.85 | 102.0 | -0.1149 | 0.2041 |
| 0.85 | 138.0 | 0.1643 | 0.2671 |
| 0.85 | 150.0 | 0.3063 | 0.2509 |
| 0.85 | 198.0 | -0.1255 | 0.257 |
| 0.85 | 210.0 | 0.1314 | 0.2123 |
| 0.85 | 222.0 | 0.1247 | 0.1734 |
| 0.85 | 234.0 | -0.0315 | 0.1542 |
| 0.85 | 246.0 | 0.3306 | 0.1911 |
| 0.85 | 258.0 | -0.1544 | 0.2453 |
| 0.95 | 114.0 | -0.3306 | 0.2741 |
| 0.95 | 210.0 | -0.0901 | 0.2463 |
| 0.95 | 222.0 | -0.2504 | 0.2086 |
| 0.95 | 234.0 | 0.0579 | 0.2027 |
| 0.95 | 246.0 | 0.3347 | 0.1963 |
Experiment comment: