Measurement E151M3073
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1213 | |
| Q2: | 0.101 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8485 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.3714 | 0.2686 |
| 0.35 | 66.0 | -0.1765 | 0.253 |
| 0.35 | 78.0 | -0.1558 | 0.2549 |
| 0.35 | 282.0 | 0.0093 | 0.2348 |
| 0.35 | 294.0 | -0.3498 | 0.2112 |
| 0.45 | 78.0 | 0.4293 | 0.2012 |
| 0.45 | 90.0 | 0.1375 | 0.2746 |
| 0.45 | 270.0 | -0.1867 | 0.2218 |
| 0.45 | 282.0 | 0.5698 | 0.1924 |
| 0.45 | 294.0 | 0.0309 | 0.25 |
| 0.55 | 102.0 | 0.3723 | 0.274 |
| 0.55 | 114.0 | 0.1102 | 0.2294 |
| 0.55 | 222.0 | 0.2841 | 0.2542 |
| 0.55 | 234.0 | -0.2828 | 0.2429 |
| 0.55 | 246.0 | 0.5534 | 0.2343 |
| 0.55 | 258.0 | -0.0128 | 0.2698 |
| 0.55 | 270.0 | -0.0248 | 0.2363 |
| 0.55 | 282.0 | -0.2043 | 0.229 |
| 0.65 | 66.0 | 0.1747 | 0.2658 |
| 0.65 | 78.0 | 0.2458 | 0.2588 |
| 0.65 | 102.0 | 0.0869 | 0.2584 |
| 0.65 | 114.0 | 0.1613 | 0.2079 |
| 0.65 | 126.0 | -0.2896 | 0.2187 |
| 0.65 | 138.0 | -0.1733 | 0.2137 |
| 0.65 | 210.0 | -0.002 | 0.2669 |
| 0.65 | 222.0 | -0.1699 | 0.2 |
| 0.65 | 234.0 | -0.0608 | 0.2039 |
| 0.65 | 294.0 | -0.2141 | 0.1955 |
| 0.65 | 306.0 | 0.1607 | 0.2662 |
| 0.75 | 66.0 | 0.1665 | 0.2728 |
| 0.75 | 102.0 | -0.3349 | 0.2025 |
| 0.75 | 114.0 | -0.0455 | 0.2045 |
| 0.75 | 126.0 | -0.2482 | 0.1925 |
| 0.75 | 138.0 | 0.0908 | 0.1906 |
| 0.75 | 210.0 | 0.0878 | 0.2668 |
| 0.75 | 222.0 | -0.0073 | 0.2026 |
| 0.75 | 234.0 | -0.1315 | 0.189 |
| 0.75 | 246.0 | -0.316 | 0.1998 |
| 0.75 | 282.0 | 0.3366 | 0.2402 |
| 0.75 | 294.0 | 0.0938 | 0.2597 |
| 0.85 | 90.0 | -0.0994 | 0.2288 |
| 0.85 | 102.0 | 0.1336 | 0.2254 |
| 0.85 | 210.0 | -0.2974 | 0.1886 |
| 0.85 | 222.0 | 0.1495 | 0.2025 |
| 0.85 | 234.0 | 0.2817 | 0.1836 |
| 0.85 | 246.0 | -0.1713 | 0.1984 |
| 0.85 | 258.0 | 0.3095 | 0.2245 |
| 0.95 | 114.0 | 0.1676 | 0.2493 |
| 0.95 | 222.0 | -0.3315 | 0.2292 |
| 0.95 | 234.0 | -0.2061 | 0.1849 |
| 0.95 | 246.0 | 0.0441 | 0.2131 |
| 0.95 | 258.0 | 0.1077 | 0.2646 |
Experiment comment: