Measurement E151M2550
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0258 | |
| Q2: | 0.0084 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8064 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 42.0 | -0.0218 | 0.2378 |
| 0.35 | 54.0 | -0.0417 | 0.2489 |
| 0.45 | 42.0 | -0.0648 | 0.2277 |
| 0.45 | 54.0 | -0.2191 | 0.1942 |
| 0.55 | 30.0 | 0.1264 | 0.236 |
| 0.55 | 42.0 | -0.0093 | 0.1872 |
| 0.55 | 54.0 | -0.5948 | 0.1666 |
| 0.55 | 222.0 | 0.1659 | 0.2452 |
| 0.55 | 234.0 | 0.39 | 0.1849 |
| 0.55 | 246.0 | -0.0057 | 0.2195 |
| 0.55 | 258.0 | -0.4337 | 0.2077 |
| 0.65 | 30.0 | 0.1823 | 0.2543 |
| 0.65 | 42.0 | -0.0934 | 0.1988 |
| 0.65 | 54.0 | 0.0656 | 0.1971 |
| 0.65 | 150.0 | -0.0314 | 0.2451 |
| 0.65 | 162.0 | 0.2379 | 0.2294 |
| 0.65 | 174.0 | 0.0218 | 0.239 |
| 0.65 | 222.0 | -0.2943 | 0.1792 |
| 0.65 | 234.0 | -0.1112 | 0.1625 |
| 0.65 | 246.0 | -0.3318 | 0.1819 |
| 0.65 | 258.0 | -0.3873 | 0.2085 |
| 0.75 | 138.0 | 0.2503 | 0.2319 |
| 0.75 | 150.0 | 0.0422 | 0.2479 |
| 0.75 | 210.0 | -0.1899 | 0.2302 |
| 0.75 | 222.0 | 0.0536 | 0.1796 |
| 0.75 | 234.0 | -0.0399 | 0.1666 |
| 0.75 | 246.0 | -0.1707 | 0.1464 |
| 0.75 | 258.0 | -0.2345 | 0.2183 |
| 0.85 | 222.0 | -0.2905 | 0.1699 |
| 0.85 | 234.0 | 0.1027 | 0.187 |
| 0.85 | 246.0 | -0.2195 | 0.1782 |
| 0.85 | 258.0 | 0.3997 | 0.2173 |
Experiment comment: