Measurement E151M3077
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2065 | |
| Q2: | 0.205 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8083 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 282.0 | 0.1609 | 0.2611 |
| 0.35 | 294.0 | -0.1584 | 0.2554 |
| 0.45 | 282.0 | -0.1593 | 0.2731 |
| 0.45 | 294.0 | 0.3096 | 0.2563 |
| 0.55 | 114.0 | -0.0977 | 0.2673 |
| 0.55 | 306.0 | 0.1929 | 0.2554 |
| 0.65 | 102.0 | -0.0959 | 0.2522 |
| 0.65 | 114.0 | 0.0123 | 0.2178 |
| 0.65 | 222.0 | -0.2887 | 0.2534 |
| 0.65 | 234.0 | 0.0525 | 0.2518 |
| 0.75 | 102.0 | 0.3977 | 0.2091 |
| 0.75 | 114.0 | -0.0156 | 0.2276 |
| 0.75 | 138.0 | -0.1524 | 0.2832 |
| 0.75 | 210.0 | 0.1454 | 0.2536 |
| 0.75 | 222.0 | -0.1011 | 0.2713 |
| 0.75 | 234.0 | -0.0465 | 0.2586 |
| 0.75 | 246.0 | 0.2655 | 0.2217 |
| 0.75 | 258.0 | -0.2032 | 0.2806 |
| 0.85 | 78.0 | 0.5332 | 0.2362 |
| 0.85 | 90.0 | -0.113 | 0.2295 |
| 0.85 | 138.0 | 0.4548 | 0.2172 |
| 0.85 | 210.0 | -0.2451 | 0.2436 |
| 0.85 | 222.0 | 0.1083 | 0.2127 |
| 0.85 | 234.0 | 0.5859 | 0.1791 |
| 0.85 | 246.0 | 0.1953 | 0.2052 |
| 0.85 | 258.0 | -0.1564 | 0.2337 |
| 0.95 | 222.0 | 0.1293 | 0.2677 |
| 0.95 | 246.0 | 0.1591 | 0.2618 |
| 0.95 | 258.0 | -0.2595 | 0.2242 |
| 0.95 | 270.0 | -0.1099 | 0.2475 |
| 0.95 | 282.0 | -0.0276 | 0.2646 |
Experiment comment: