Measurement E151M2774
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0328 | |
| Q2: | 0.0143 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8369 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 42.0 | -0.095 | 0.2479 |
| 0.55 | 126.0 | 0.4052 | 0.2384 |
| 0.55 | 138.0 | -0.31 | 0.2647 |
| 0.55 | 222.0 | 0.1534 | 0.2575 |
| 0.55 | 234.0 | 0.4292 | 0.2182 |
| 0.55 | 246.0 | 0.3279 | 0.2187 |
| 0.65 | 126.0 | 0.0068 | 0.2474 |
| 0.65 | 138.0 | -0.2522 | 0.2124 |
| 0.65 | 210.0 | 0.0971 | 0.2159 |
| 0.65 | 222.0 | 0.0412 | 0.189 |
| 0.65 | 234.0 | -0.2026 | 0.1945 |
| 0.65 | 246.0 | -0.3407 | 0.2214 |
| 0.75 | 126.0 | -0.3671 | 0.2386 |
| 0.75 | 138.0 | -0.1147 | 0.2428 |
| 0.75 | 150.0 | -0.0786 | 0.2495 |
| 0.75 | 222.0 | 0.4203 | 0.1954 |
| 0.75 | 234.0 | -0.4919 | 0.1747 |
| 0.75 | 246.0 | -0.0715 | 0.2207 |
| 0.85 | 126.0 | -0.1491 | 0.2699 |
| 0.85 | 138.0 | -0.2346 | 0.2235 |
| 0.85 | 222.0 | -0.245 | 0.2103 |
| 0.85 | 234.0 | 0.1086 | 0.2096 |
| 0.85 | 246.0 | -0.0609 | 0.2447 |
| 0.45 | 42.0 | -0.4732 | 0.2612 |
| 0.45 | 54.0 | -0.1403 | 0.4541 |
| 0.55 | 30.0 | -0.0421 | 0.3918 |
| 0.55 | 138.0 | 0.1462 | 0.3636 |
| 0.55 | 222.0 | -0.2657 | 0.2746 |
| 0.55 | 234.0 | 0.3436 | 0.2648 |
| 0.55 | 246.0 | -0.1872 | 0.3018 |
| 0.65 | 126.0 | -0.0278 | 0.3699 |
| 0.65 | 138.0 | -0.4673 | 0.2871 |
| 0.65 | 150.0 | -0.0976 | 0.318 |
| 0.65 | 198.0 | 0.0842 | 0.3997 |
| 0.65 | 210.0 | 0.1088 | 0.2726 |
| 0.65 | 222.0 | -0.0439 | 0.3238 |
| 0.65 | 234.0 | 0.7346 | 0.1324 |
| 0.65 | 246.0 | 0.4082 | 0.3326 |
| 0.75 | 138.0 | 0.7714 | 0.1872 |
| 0.75 | 150.0 | 0.1402 | 0.3754 |
| 0.75 | 210.0 | 0.4819 | 0.2753 |
| 0.75 | 222.0 | 0.0859 | 0.285 |
| 0.75 | 234.0 | -0.2022 | 0.2649 |
| 0.75 | 246.0 | -0.4861 | 0.3633 |
| 0.85 | 210.0 | 0.6421 | 0.2232 |
| 0.85 | 222.0 | 0.7547 | 0.1396 |
| 0.85 | 234.0 | -0.2149 | 0.2394 |
| 0.85 | 246.0 | 0.1266 | 0.2983 |
| 0.85 | 258.0 | -0.3775 | 0.3399 |
Experiment comment: