Measurement E151M2823
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.128 | |
| Q2: | 0.101 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.7018 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 138.0 | -0.4629 | 0.2769 |
| 0.55 | 222.0 | 0.2464 | 0.3812 |
| 0.55 | 234.0 | 0.1452 | 0.332 |
| 0.55 | 246.0 | -0.1096 | 0.327 |
| 0.55 | 258.0 | 0.0908 | 0.3248 |
| 0.65 | 126.0 | 0.3161 | 0.3324 |
| 0.65 | 138.0 | 0.235 | 0.3426 |
| 0.65 | 210.0 | 0.0287 | 0.3971 |
| 0.65 | 222.0 | 0.4573 | 0.2339 |
| 0.65 | 234.0 | -0.3204 | 0.3226 |
| 0.65 | 246.0 | 0.4476 | 0.2186 |
| 0.65 | 258.0 | -0.1664 | 0.333 |
| 0.75 | 126.0 | 0.4026 | 0.3129 |
| 0.75 | 210.0 | -0.762 | 0.1728 |
| 0.75 | 222.0 | 0.2794 | 0.3675 |
| 0.75 | 234.0 | 0.0224 | 0.3095 |
| 0.75 | 246.0 | -0.0268 | 0.2901 |
| 0.75 | 258.0 | -0.2619 | 0.2592 |
| 0.85 | 222.0 | 0.1248 | 0.3377 |
| 0.85 | 234.0 | 0.0015 | 0.3117 |
| 0.85 | 246.0 | -0.0906 | 0.2749 |
| 0.85 | 258.0 | -0.3781 | 0.2782 |
| 0.85 | 270.0 | -0.3582 | 0.3131 |
| 0.95 | 222.0 | -0.558 | 0.2711 |
| 0.95 | 234.0 | -0.865 | 0.1552 |
| 0.95 | 246.0 | -0.1404 | 0.3999 |
| 0.95 | 270.0 | -0.4756 | 0.2458 |
| 0.45 | 246.0 | 0.0265 | 0.2851 |
| 0.55 | 138.0 | -0.163 | 0.2553 |
| 0.55 | 222.0 | 0.2217 | 0.2368 |
| 0.55 | 234.0 | 0.1091 | 0.2344 |
| 0.55 | 246.0 | -0.3819 | 0.2204 |
| 0.65 | 126.0 | -0.2794 | 0.1842 |
| 0.65 | 138.0 | 0.3286 | 0.2255 |
| 0.65 | 150.0 | -0.3655 | 0.2147 |
| 0.65 | 162.0 | -0.2032 | 0.2615 |
| 0.65 | 222.0 | 0.0141 | 0.2479 |
| 0.65 | 234.0 | -0.4091 | 0.2096 |
| 0.65 | 246.0 | 0.0849 | 0.1976 |
| 0.65 | 258.0 | 0.0519 | 0.2546 |
| 0.75 | 114.0 | 0.4302 | 0.254 |
| 0.75 | 126.0 | 0.1321 | 0.1941 |
| 0.75 | 138.0 | -0.032 | 0.234 |
| 0.75 | 150.0 | 0.1844 | 0.2288 |
| 0.75 | 222.0 | -0.2342 | 0.2061 |
| 0.75 | 234.0 | -0.3298 | 0.199 |
| 0.75 | 246.0 | -0.3733 | 0.1942 |
| 0.75 | 258.0 | -0.1743 | 0.2018 |
| 0.85 | 114.0 | 0.2235 | 0.2339 |
| 0.85 | 150.0 | 0.1903 | 0.2467 |
| 0.85 | 222.0 | 0.1305 | 0.2821 |
| 0.85 | 234.0 | -0.5089 | 0.2128 |
| 0.85 | 246.0 | -0.395 | 0.1946 |
| 0.85 | 258.0 | 0.2248 | 0.1799 |
| 0.95 | 102.0 | 0.5242 | 0.2331 |
| 0.95 | 114.0 | -0.025 | 0.2657 |
| 0.95 | 126.0 | 0.2015 | 0.2638 |
| 0.95 | 234.0 | -0.5045 | 0.2482 |
| 0.95 | 246.0 | 0.2908 | 0.21 |
| 0.95 | 258.0 | 0.3283 | 0.2438 |
| 0.95 | 270.0 | -0.0868 | 0.2269 |
Experiment comment: