Measurement E151M2692
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.6451 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8486 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 282.0 | 0.1151 | 0.313 |
| 0.55 | 258.0 | -0.2475 | 0.3549 |
| 0.55 | 270.0 | 0.228 | 0.3458 |
| 0.55 | 282.0 | 0.0921 | 0.2931 |
| 0.65 | 258.0 | 0.4771 | 0.2603 |
| 0.65 | 270.0 | 0.0375 | 0.316 |
| 0.65 | 282.0 | 0.3404 | 0.2711 |
| 0.65 | 294.0 | -0.2849 | 0.3216 |
| 0.75 | 114.0 | 0.238 | 0.2993 |
| 0.75 | 126.0 | 0.0364 | 0.2913 |
| 0.75 | 246.0 | 0.0595 | 0.3426 |
| 0.75 | 258.0 | -0.1427 | 0.2763 |
| 0.75 | 270.0 | -0.4813 | 0.26 |
| 0.75 | 282.0 | 0.1397 | 0.332 |
| 0.75 | 294.0 | -0.0989 | 0.2892 |
| 0.85 | 90.0 | -0.356 | 0.3223 |
| 0.85 | 102.0 | 0.7606 | 0.1489 |
| 0.85 | 114.0 | -0.2132 | 0.2849 |
| 0.85 | 126.0 | 0.4398 | 0.2197 |
| 0.85 | 138.0 | -0.2911 | 0.3592 |
| 0.85 | 150.0 | -0.5135 | 0.2908 |
| 0.85 | 162.0 | -0.1472 | 0.3753 |
| 0.85 | 258.0 | -0.1397 | 0.376 |
| 0.85 | 270.0 | -0.1401 | 0.3346 |
| 0.85 | 282.0 | -0.42 | 0.2322 |
| 0.85 | 294.0 | 0.0805 | 0.2921 |
| 0.85 | 306.0 | -0.4439 | 0.3006 |
| 0.95 | 66.0 | 0.5046 | 0.2742 |
| 0.95 | 102.0 | -0.3026 | 0.2916 |
| 0.95 | 114.0 | 0.111 | 0.2643 |
| 0.95 | 126.0 | 0.1063 | 0.323 |
| 0.95 | 138.0 | -0.2423 | 0.2869 |
| 0.95 | 150.0 | 0.1272 | 0.3036 |
| 0.95 | 162.0 | -0.0271 | 0.356 |
| 0.95 | 174.0 | 0.4162 | 0.2543 |
| 0.95 | 186.0 | 0.2065 | 0.3571 |
| 0.95 | 270.0 | 0.7043 | 0.2036 |
| -0.05 | 42.0 | 0.2141 | 0.2858 |
| 0.45 | 282.0 | -0.1898 | 0.2636 |
| 0.55 | 282.0 | -0.2607 | 0.2394 |
| 0.55 | 294.0 | -0.1135 | 0.2563 |
| 0.65 | 258.0 | -0.5173 | 0.1761 |
| 0.65 | 270.0 | -0.008 | 0.2468 |
| 0.65 | 282.0 | -0.0149 | 0.2153 |
| 0.65 | 294.0 | 0.27 | 0.2475 |
| 0.75 | 114.0 | 0.389 | 0.2465 |
| 0.75 | 126.0 | 0.1968 | 0.2776 |
| 0.75 | 246.0 | -0.0629 | 0.2591 |
| 0.75 | 258.0 | -0.2148 | 0.2426 |
| 0.75 | 270.0 | -0.141 | 0.1879 |
| 0.75 | 282.0 | -0.3885 | 0.21 |
| 0.75 | 294.0 | 0.1341 | 0.2299 |
| 0.75 | 306.0 | 0.3773 | 0.2646 |
| 0.85 | 90.0 | -0.2886 | 0.2276 |
| 0.85 | 102.0 | 0.1382 | 0.2142 |
| 0.85 | 114.0 | -0.3747 | 0.1985 |
| 0.85 | 126.0 | 0.1591 | 0.2077 |
| 0.85 | 138.0 | -0.4729 | 0.1964 |
| 0.85 | 150.0 | 0.3632 | 0.2277 |
| 0.85 | 258.0 | -0.0798 | 0.2279 |
| 0.85 | 270.0 | 0.2495 | 0.1866 |
| 0.85 | 282.0 | 0.0153 | 0.2083 |
| 0.85 | 294.0 | -0.1595 | 0.1963 |
| 0.95 | 102.0 | -0.3971 | 0.2366 |
| 0.95 | 114.0 | 0.3279 | 0.2268 |
| 0.95 | 126.0 | 0.2934 | 0.1886 |
| 0.95 | 138.0 | 0.4174 | 0.2704 |
| 0.95 | 150.0 | 0.353 | 0.2133 |
| 0.95 | 162.0 | -0.0881 | 0.2306 |
| 0.95 | 174.0 | -0.3172 | 0.2559 |
| 0.95 | 186.0 | -0.2381 | 0.264 |
| 0.95 | 198.0 | 0.7511 | 0.2217 |
| 0.95 | 258.0 | -0.2287 | 0.2665 |
Experiment comment: