Measurement E151M2726
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2785 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8626 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 258.0 | -0.3035 | 0.1987 |
| 0.55 | 270.0 | 0.3511 | 0.1965 |
| 0.65 | 126.0 | -0.4814 | 0.3708 |
| 0.65 | 234.0 | -0.0606 | 0.1809 |
| 0.65 | 246.0 | 0.2245 | 0.1762 |
| 0.65 | 258.0 | 0.0514 | 0.1491 |
| 0.65 | 270.0 | 0.0896 | 0.1584 |
| 0.75 | 114.0 | -0.0878 | 0.2154 |
| 0.75 | 126.0 | -0.2212 | 0.1907 |
| 0.75 | 138.0 | 0.189 | 0.1905 |
| 0.75 | 150.0 | 0.2023 | 0.2177 |
| 0.75 | 162.0 | 0.0128 | 0.2676 |
| 0.75 | 222.0 | -0.4009 | 0.249 |
| 0.75 | 234.0 | -0.2193 | 0.1792 |
| 0.75 | 246.0 | -0.0462 | 0.1784 |
| 0.75 | 258.0 | 0.0017 | 0.1635 |
| 0.75 | 270.0 | 0.0347 | 0.1859 |
| 0.75 | 282.0 | -0.3883 | 0.2474 |
| 0.85 | 102.0 | -0.1467 | 0.2277 |
| 0.85 | 114.0 | -0.0004 | 0.1864 |
| 0.85 | 126.0 | 0.226 | 0.1718 |
| 0.85 | 138.0 | -0.2842 | 0.1967 |
| 0.85 | 150.0 | 0.1387 | 0.2144 |
| 0.85 | 162.0 | 0.3601 | 0.2141 |
| 0.85 | 234.0 | -0.4544 | 0.2017 |
| 0.85 | 246.0 | -0.1026 | 0.1829 |
| 0.85 | 258.0 | 0.0242 | 0.174 |
| 0.85 | 270.0 | 0.162 | 0.168 |
| 0.85 | 282.0 | -0.2572 | 0.1722 |
| 0.85 | 294.0 | 0.2688 | 0.2414 |
| 0.95 | 78.0 | 0.2725 | 0.2733 |
| 0.95 | 90.0 | 0.1947 | 0.1985 |
| 0.95 | 114.0 | -0.1395 | 0.2631 |
| 0.95 | 126.0 | -0.0585 | 0.2473 |
| 0.95 | 138.0 | -0.2516 | 0.2203 |
| 0.95 | 150.0 | 0.0314 | 0.2857 |
| 0.95 | 234.0 | -0.3441 | 0.2542 |
| 0.95 | 246.0 | 0.1405 | 0.2203 |
| 0.95 | 258.0 | 0.0336 | 0.1965 |
| 0.95 | 270.0 | -0.1432 | 0.231 |
| 0.95 | 282.0 | -0.2229 | 0.2399 |
| 0.65 | 282.0 | -0.4913 | 0.2465 |
| 0.75 | 114.0 | 0.0082 | 0.3003 |
| 0.75 | 126.0 | 0.1148 | 0.2552 |
| 0.75 | 138.0 | -0.1587 | 0.3032 |
| 0.75 | 234.0 | 0.0681 | 0.3064 |
| 0.75 | 246.0 | -0.0044 | 0.2728 |
| 0.75 | 258.0 | 0.137 | 0.2436 |
| 0.75 | 270.0 | 0.1944 | 0.2849 |
| 0.85 | 102.0 | -0.1513 | 0.3741 |
| 0.85 | 114.0 | 0.5218 | 0.2258 |
| 0.85 | 126.0 | -0.2675 | 0.2355 |
| 0.85 | 138.0 | 0.1142 | 0.2989 |
| 0.85 | 150.0 | -0.4069 | 0.2207 |
| 0.85 | 162.0 | -0.3174 | 0.2786 |
| 0.85 | 174.0 | 0.5361 | 0.2883 |
| 0.85 | 222.0 | 0.5314 | 0.2754 |
| 0.85 | 234.0 | 0.3307 | 0.3525 |
| 0.85 | 246.0 | -0.034 | 0.283 |
| 0.85 | 258.0 | -0.2058 | 0.2461 |
| 0.85 | 270.0 | -0.3814 | 0.2575 |
| 0.85 | 282.0 | 0.1027 | 0.2667 |
| 0.85 | 294.0 | -0.3786 | 0.2674 |
| 0.95 | 78.0 | -0.1761 | 0.3307 |
| 0.95 | 90.0 | 0.1478 | 0.3101 |
| 0.95 | 102.0 | -0.3302 | 0.3144 |
| 0.95 | 138.0 | 0.3083 | 0.2982 |
| 0.95 | 150.0 | 0.1103 | 0.3335 |
| 0.95 | 162.0 | -0.7383 | 0.2052 |
| 0.95 | 234.0 | -0.0127 | 0.3094 |
| 0.95 | 246.0 | -0.0076 | 0.4025 |
| 0.95 | 258.0 | 0.3079 | 0.2481 |
| 0.95 | 270.0 | 0.6626 | 0.1766 |
| 0.95 | 282.0 | -0.3848 | 0.3197 |
Experiment comment: