Measurement E151M2759
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0769 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.853 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | 0.2409 | 0.2154 |
| 0.25 | 30.0 | 0.3424 | 0.2116 |
| 0.25 | 42.0 | 0.0452 | 0.2154 |
| 0.35 | 18.0 | 0.0616 | 0.3907 |
| 0.35 | 30.0 | -0.0334 | 0.161 |
| 0.35 | 42.0 | 0.0636 | 0.1561 |
| 0.45 | 18.0 | 0.3256 | 0.2274 |
| 0.45 | 30.0 | -0.0487 | 0.201 |
| 0.45 | 42.0 | -0.1271 | 0.2276 |
| 0.55 | 30.0 | -0.3982 | 0.2445 |
| 0.55 | 42.0 | -0.1005 | 0.199 |
| 0.55 | 138.0 | -0.0355 | 0.2391 |
| 0.55 | 150.0 | -0.0648 | 0.2707 |
| 0.55 | 222.0 | -0.268 | 0.2332 |
| 0.55 | 234.0 | -0.0794 | 0.2091 |
| 0.55 | 246.0 | -0.1286 | 0.2058 |
| 0.55 | 258.0 | 0.2375 | 0.2601 |
| 0.65 | 126.0 | 0.1462 | 0.1824 |
| 0.65 | 138.0 | 0.2389 | 0.174 |
| 0.65 | 150.0 | -0.253 | 0.2191 |
| 0.65 | 162.0 | 0.1981 | 0.2826 |
| 0.65 | 174.0 | -0.5339 | 0.2509 |
| 0.65 | 210.0 | -0.0454 | 0.2142 |
| 0.65 | 222.0 | -0.1874 | 0.1811 |
| 0.65 | 234.0 | 0.1165 | 0.1636 |
| 0.65 | 246.0 | 0.0666 | 0.1623 |
| 0.65 | 258.0 | -0.0556 | 0.219 |
| 0.75 | 114.0 | -0.2049 | 0.243 |
| 0.75 | 126.0 | -0.2354 | 0.2099 |
| 0.75 | 138.0 | 0.1087 | 0.1737 |
| 0.75 | 150.0 | 0.2141 | 0.1915 |
| 0.75 | 162.0 | -0.0047 | 0.2262 |
| 0.75 | 198.0 | -0.2384 | 0.2756 |
| 0.75 | 210.0 | -0.1713 | 0.263 |
| 0.75 | 222.0 | 0.096 | 0.1952 |
| 0.75 | 234.0 | -0.0075 | 0.161 |
| 0.75 | 246.0 | 0.0136 | 0.1494 |
| 0.75 | 258.0 | -0.0263 | 0.1698 |
| 0.75 | 270.0 | 0.1811 | 0.2242 |
| 0.85 | 102.0 | 0.2295 | 0.2657 |
| 0.85 | 114.0 | -0.2431 | 0.2574 |
| 0.85 | 126.0 | -0.1393 | 0.2388 |
| 0.85 | 138.0 | -0.2404 | 0.2325 |
| 0.85 | 150.0 | 0.2463 | 0.2687 |
| 0.85 | 162.0 | 0.0108 | 0.2356 |
| 0.85 | 222.0 | 0.1365 | 0.198 |
| 0.85 | 234.0 | -0.234 | 0.154 |
| 0.85 | 246.0 | -0.2288 | 0.1758 |
| 0.85 | 258.0 | -0.1474 | 0.1585 |
| 0.85 | 270.0 | 0.1465 | 0.2112 |
| 0.95 | 126.0 | -0.0297 | 0.2223 |
| 0.95 | 222.0 | 0.0179 | 0.2631 |
| 0.95 | 234.0 | 0.0556 | 0.2178 |
| 0.95 | 246.0 | -0.0851 | 0.2273 |
| 0.35 | 54.0 | 0.2764 | 0.315 |
| 0.45 | 18.0 | -0.1025 | 0.3835 |
| 0.45 | 30.0 | -0.0116 | 0.321 |
| 0.45 | 42.0 | -0.1375 | 0.3738 |
| 0.55 | 30.0 | 0.5579 | 0.2599 |
| 0.55 | 42.0 | -0.1173 | 0.2825 |
| 0.55 | 126.0 | 0.4594 | 0.3134 |
| 0.55 | 138.0 | -0.7479 | 0.1684 |
| 0.55 | 222.0 | -0.5859 | 0.2019 |
| 0.55 | 234.0 | 0.2936 | 0.241 |
| 0.55 | 246.0 | 0.3159 | 0.2586 |
| 0.55 | 258.0 | 0.0586 | 0.3047 |
| 0.65 | 126.0 | 0.3066 | 0.2747 |
| 0.65 | 138.0 | 0.1654 | 0.2677 |
| 0.65 | 150.0 | 0.1006 | 0.3073 |
| 0.65 | 162.0 | -0.5018 | 0.3413 |
| 0.65 | 174.0 | 0.6671 | 0.3035 |
| 0.65 | 210.0 | -0.0155 | 0.3479 |
| 0.65 | 222.0 | -0.3747 | 0.2025 |
| 0.65 | 234.0 | -0.0044 | 0.2371 |
| 0.65 | 246.0 | -0.3262 | 0.2245 |
| 0.65 | 258.0 | 0.3223 | 0.2376 |
| 0.75 | 114.0 | -0.4563 | 0.2457 |
| 0.75 | 126.0 | -0.1127 | 0.2788 |
| 0.75 | 138.0 | -0.4464 | 0.2046 |
| 0.75 | 150.0 | -0.4219 | 0.2283 |
| 0.75 | 162.0 | 0.1314 | 0.3588 |
| 0.75 | 210.0 | -0.1195 | 0.3873 |
| 0.75 | 222.0 | 0.1347 | 0.2507 |
| 0.75 | 234.0 | -0.1468 | 0.2166 |
| 0.75 | 246.0 | -0.1981 | 0.2182 |
| 0.75 | 258.0 | -0.3855 | 0.2278 |
| 0.85 | 126.0 | 0.3059 | 0.3318 |
| 0.85 | 138.0 | 0.2254 | 0.3562 |
| 0.85 | 150.0 | -0.308 | 0.3337 |
| 0.85 | 210.0 | -0.5336 | 0.4523 |
| 0.85 | 222.0 | -0.1143 | 0.2337 |
| 0.85 | 234.0 | 0.4163 | 0.2111 |
| 0.85 | 246.0 | -0.1279 | 0.2248 |
| 0.85 | 258.0 | 0.1842 | 0.2694 |
| 0.85 | 270.0 | -0.2932 | 0.2736 |
| 0.95 | 126.0 | 0.3471 | 0.3201 |
| 0.95 | 222.0 | 0.2588 | 0.3639 |
| 0.95 | 234.0 | 0.3114 | 0.2893 |
| 0.95 | 246.0 | 0.6484 | 0.1729 |
| 0.95 | 258.0 | -0.6195 | 0.251 |
Experiment comment: