Measurement E151M2545
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3392 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.6965 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 282.0 | -0.2768 | 0.2546 |
| 0.55 | 246.0 | 0.0258 | 0.2353 |
| 0.55 | 258.0 | 0.3177 | 0.1785 |
| 0.55 | 270.0 | 0.2629 | 0.2238 |
| 0.55 | 282.0 | -0.3116 | 0.2128 |
| 0.65 | 246.0 | -0.0191 | 0.185 |
| 0.65 | 258.0 | -0.038 | 0.2141 |
| 0.65 | 270.0 | 0.3921 | 0.1705 |
| 0.65 | 282.0 | -0.2108 | 0.2464 |
| 0.75 | 138.0 | -0.269 | 0.2048 |
| 0.75 | 150.0 | 0.1079 | 0.1984 |
| 0.75 | 234.0 | -0.4642 | 0.2015 |
| 0.75 | 246.0 | 0.0093 | 0.2023 |
| 0.75 | 258.0 | 0.2358 | 0.1682 |
| 0.75 | 270.0 | 0.1939 | 0.1821 |
| 0.75 | 282.0 | 0.0969 | 0.1666 |
| 0.75 | 294.0 | 0.1824 | 0.2373 |
| 0.85 | 114.0 | 0.1429 | 0.2486 |
| 0.85 | 126.0 | 0.2314 | 0.2069 |
| 0.85 | 138.0 | -0.0268 | 0.19 |
| 0.85 | 150.0 | -0.0271 | 0.2049 |
| 0.85 | 162.0 | -0.2313 | 0.1938 |
| 0.85 | 174.0 | 0.1348 | 0.2399 |
| 0.85 | 186.0 | -0.3015 | 0.2474 |
| 0.85 | 198.0 | -0.1714 | 0.2518 |
| 0.85 | 246.0 | -0.263 | 0.2388 |
| 0.85 | 258.0 | -0.3571 | 0.201 |
| 0.85 | 270.0 | -0.1769 | 0.1832 |
| 0.85 | 282.0 | 0.0416 | 0.1827 |
| 0.85 | 294.0 | 0.2574 | 0.216 |
| 0.95 | 90.0 | 0.2589 | 0.2261 |
| 0.95 | 138.0 | -0.4362 | 0.2206 |
| 0.95 | 150.0 | -0.1371 | 0.2304 |
| 0.95 | 162.0 | -0.203 | 0.2273 |
| 0.95 | 174.0 | 0.2215 | 0.2485 |
| 0.95 | 186.0 | 0.1023 | 0.2146 |
| 0.95 | 258.0 | -0.102 | 0.2587 |
| 0.95 | 270.0 | 0.0361 | 0.2604 |
Experiment comment: