Measurement E151M2681
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1449 | |
| Q2: | 0.0245 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.9324 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | 0.5171 | 0.1958 |
| 0.25 | 30.0 | 0.3436 | 0.2796 |
| 0.25 | 42.0 | 0.3494 | 0.2327 |
| 0.25 | 54.0 | 0.265 | 0.334 |
| 0.35 | 30.0 | 0.1065 | 0.3929 |
| 0.35 | 42.0 | 0.1076 | 0.3024 |
| 0.45 | 42.0 | 0.0545 | 0.399 |
| 0.45 | 270.0 | 0.0365 | 0.3984 |
| 0.45 | 282.0 | -0.3784 | 0.2955 |
| 0.55 | 234.0 | 0.65 | 0.2111 |
| 0.55 | 246.0 | -0.3423 | 0.2331 |
| 0.55 | 258.0 | -0.2322 | 0.233 |
| 0.55 | 270.0 | -0.435 | 0.2589 |
| 0.55 | 282.0 | 0.4947 | 0.2465 |
| 0.65 | 138.0 | 0.6224 | 0.3276 |
| 0.65 | 222.0 | 0.3352 | 0.3868 |
| 0.65 | 234.0 | 0.0835 | 0.25 |
| 0.65 | 246.0 | 0.1689 | 0.2002 |
| 0.65 | 258.0 | 0.2509 | 0.1972 |
| 0.65 | 270.0 | -0.4644 | 0.1985 |
| 0.65 | 282.0 | -0.0912 | 0.3367 |
| 0.75 | 126.0 | 0.2884 | 0.2837 |
| 0.75 | 138.0 | 0.0054 | 0.2362 |
| 0.75 | 150.0 | -0.1029 | 0.242 |
| 0.75 | 162.0 | -0.0231 | 0.2609 |
| 0.75 | 174.0 | 0.0295 | 0.3116 |
| 0.75 | 186.0 | -0.2782 | 0.2894 |
| 0.75 | 198.0 | -0.3957 | 0.2577 |
| 0.75 | 210.0 | 0.3811 | 0.2663 |
| 0.75 | 222.0 | -0.1922 | 0.2938 |
| 0.75 | 234.0 | -0.0481 | 0.217 |
| 0.75 | 246.0 | -0.3063 | 0.2077 |
| 0.75 | 258.0 | 0.0025 | 0.1948 |
| 0.75 | 270.0 | -0.2255 | 0.231 |
| 0.75 | 282.0 | -0.0602 | 0.2931 |
| 0.85 | 126.0 | -0.221 | 0.3017 |
| 0.85 | 138.0 | -0.1695 | 0.2771 |
| 0.85 | 150.0 | 0.3376 | 0.2724 |
| 0.85 | 162.0 | -0.121 | 0.3 |
| 0.85 | 174.0 | -0.1763 | 0.2977 |
| 0.85 | 186.0 | 0.091 | 0.3281 |
| 0.85 | 198.0 | -0.334 | 0.2827 |
| 0.85 | 210.0 | -0.438 | 0.3437 |
| 0.85 | 222.0 | 0.2149 | 0.2599 |
| 0.85 | 234.0 | 0.2614 | 0.2169 |
| 0.85 | 246.0 | 0.1358 | 0.1939 |
| 0.85 | 258.0 | 0.0146 | 0.196 |
| 0.85 | 270.0 | 0.2722 | 0.2009 |
| 0.15 | 54.0 | -0.0906 | 0.2387 |
| 0.25 | 30.0 | -0.3037 | 0.2367 |
| 0.25 | 42.0 | 0.2797 | 0.2053 |
| 0.25 | 54.0 | -0.0784 | 0.2054 |
| 0.35 | 30.0 | -0.0665 | 0.2605 |
| 0.35 | 42.0 | -0.2561 | 0.1886 |
| 0.35 | 54.0 | -0.1381 | 0.2344 |
| 0.45 | 30.0 | -0.3498 | 0.2448 |
| 0.45 | 42.0 | -0.1036 | 0.2647 |
| 0.45 | 258.0 | 0.0407 | 0.2744 |
| 0.45 | 270.0 | 0.2703 | 0.2517 |
| 0.55 | 246.0 | -0.2176 | 0.1997 |
| 0.55 | 258.0 | 0.0441 | 0.1695 |
| 0.55 | 270.0 | -0.1834 | 0.1564 |
| 0.65 | 126.0 | -0.3773 | 0.2667 |
| 0.65 | 138.0 | 0.1552 | 0.2519 |
| 0.65 | 150.0 | -0.0714 | 0.2612 |
| 0.65 | 222.0 | -0.2303 | 0.2265 |
| 0.65 | 234.0 | -0.0019 | 0.1671 |
| 0.65 | 246.0 | -0.0638 | 0.1503 |
| 0.65 | 258.0 | -0.0845 | 0.1211 |
| 0.65 | 270.0 | -0.4054 | 0.1364 |
| 0.75 | 126.0 | 0.2498 | 0.173 |
| 0.75 | 138.0 | 0.2748 | 0.1487 |
| 0.75 | 150.0 | -0.1256 | 0.1889 |
| 0.75 | 162.0 | 0.3573 | 0.1936 |
| 0.75 | 174.0 | 0.2771 | 0.2131 |
| 0.75 | 186.0 | 0.1102 | 0.2147 |
| 0.75 | 198.0 | -0.2978 | 0.2801 |
| 0.75 | 210.0 | 0.0291 | 0.2643 |
| 0.75 | 222.0 | -0.0773 | 0.1726 |
| 0.75 | 234.0 | -0.1103 | 0.1639 |
| 0.75 | 246.0 | -0.1414 | 0.1385 |
| 0.75 | 258.0 | -0.0835 | 0.1287 |
| 0.75 | 270.0 | -0.2159 | 0.1433 |
| 0.75 | 282.0 | -0.2449 | 0.2076 |
| 0.85 | 126.0 | 0.0411 | 0.2053 |
| 0.85 | 138.0 | -0.1263 | 0.1761 |
| 0.85 | 150.0 | -0.0591 | 0.1804 |
| 0.85 | 162.0 | 0.2397 | 0.1875 |
| 0.85 | 174.0 | 0.1757 | 0.1826 |
| 0.85 | 186.0 | -0.212 | 0.2138 |
| 0.85 | 198.0 | 0.197 | 0.2371 |
| 0.85 | 210.0 | -0.0142 | 0.2517 |
| 0.85 | 222.0 | -0.287 | 0.172 |
| 0.85 | 234.0 | 0.0026 | 0.1447 |
| 0.85 | 246.0 | 0.1226 | 0.137 |
| 0.85 | 258.0 | -0.1705 | 0.1349 |
| 0.85 | 270.0 | -0.1686 | 0.1466 |
Experiment comment: