Measurement E151M2819
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0719 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.7443 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 30.0 | -0.1354 | 0.2457 |
| 0.35 | 42.0 | 0.1147 | 0.2381 |
| 0.45 | 30.0 | -0.0087 | 0.2808 |
| 0.45 | 42.0 | 0.1792 | 0.2685 |
| 0.55 | 126.0 | -0.0316 | 0.2704 |
| 0.55 | 138.0 | -0.4727 | 0.2484 |
| 0.55 | 210.0 | -0.0296 | 0.2475 |
| 0.55 | 222.0 | -0.0837 | 0.2663 |
| 0.55 | 234.0 | 0.1075 | 0.2176 |
| 0.55 | 246.0 | 0.026 | 0.2229 |
| 0.65 | 114.0 | 0.5015 | 0.2402 |
| 0.65 | 126.0 | -0.0326 | 0.2211 |
| 0.65 | 138.0 | -0.088 | 0.211 |
| 0.65 | 150.0 | 0.3122 | 0.2662 |
| 0.65 | 162.0 | -0.1329 | 0.2457 |
| 0.65 | 210.0 | -0.6116 | 0.2284 |
| 0.65 | 222.0 | 0.3298 | 0.2106 |
| 0.65 | 234.0 | 0.1612 | 0.2096 |
| 0.65 | 246.0 | -0.0402 | 0.1855 |
| 0.75 | 126.0 | 0.3573 | 0.2017 |
| 0.75 | 138.0 | 0.0188 | 0.201 |
| 0.75 | 150.0 | 0.0485 | 0.2159 |
| 0.75 | 162.0 | 0.0869 | 0.274 |
| 0.75 | 174.0 | 0.2021 | 0.2664 |
| 0.75 | 222.0 | 0.2753 | 0.2181 |
| 0.75 | 234.0 | 0.0446 | 0.1981 |
| 0.75 | 246.0 | 0.0236 | 0.1986 |
| 0.75 | 258.0 | -0.3856 | 0.2178 |
| 0.85 | 126.0 | 0.0477 | 0.2397 |
| 0.85 | 222.0 | -0.208 | 0.2076 |
| 0.85 | 234.0 | -0.197 | 0.1805 |
| 0.85 | 246.0 | 0.0907 | 0.1896 |
| 0.85 | 258.0 | -0.2234 | 0.1919 |
| 0.95 | 234.0 | 0.0621 | 0.2495 |
| 0.95 | 246.0 | 0.0045 | 0.2557 |
| 0.25 | 42.0 | -0.1042 | 0.3675 |
| 0.35 | 42.0 | 0.8266 | 0.1974 |
| 0.45 | 30.0 | 0.2208 | 0.3331 |
| 0.45 | 42.0 | 0.2633 | 0.5179 |
| 0.45 | 234.0 | 0.2741 | 0.381 |
| 0.55 | 150.0 | -0.3842 | 0.2914 |
| 0.55 | 210.0 | 0.2692 | 0.3301 |
| 0.55 | 222.0 | 0.3751 | 0.2966 |
| 0.55 | 234.0 | -0.4176 | 0.3079 |
| 0.55 | 246.0 | -0.583 | 0.2175 |
| 0.55 | 258.0 | 0.1276 | 0.3713 |
| 0.65 | 126.0 | 0.056 | 0.3472 |
| 0.65 | 138.0 | -0.0323 | 0.3595 |
| 0.65 | 150.0 | 0.7676 | 0.1856 |
| 0.65 | 162.0 | -0.2603 | 0.3191 |
| 0.65 | 210.0 | -0.4291 | 0.2934 |
| 0.65 | 222.0 | 0.2124 | 0.3183 |
| 0.65 | 234.0 | -0.1459 | 0.2687 |
| 0.65 | 246.0 | -0.0293 | 0.3133 |
| 0.65 | 258.0 | 0.0051 | 0.3119 |
| 0.75 | 126.0 | -0.0402 | 0.3586 |
| 0.75 | 138.0 | 0.1486 | 0.2806 |
| 0.75 | 150.0 | -0.0477 | 0.4008 |
| 0.75 | 162.0 | 0.1558 | 0.4288 |
| 0.75 | 222.0 | 0.0693 | 0.3237 |
| 0.75 | 234.0 | 0.1076 | 0.2579 |
| 0.75 | 246.0 | -0.1071 | 0.2604 |
| 0.75 | 258.0 | -0.0917 | 0.3798 |
| 0.85 | 126.0 | -0.3982 | 0.2827 |
| 0.85 | 210.0 | 0.3307 | 0.3535 |
| 0.85 | 222.0 | -0.4063 | 0.2326 |
| 0.85 | 234.0 | -0.1107 | 0.2978 |
| 0.85 | 246.0 | 0.1155 | 0.291 |
| 0.85 | 258.0 | -0.3024 | 0.2779 |
| 0.95 | 234.0 | 0.084 | 0.3801 |
| 0.95 | 246.0 | -0.9021 | 0.1569 |
Experiment comment: