Measurement E151M2457
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5351 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1205.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8863 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 294.0 | -0.085 | 0.2487 |
| 0.45 | 270.0 | -0.3407 | 0.2354 |
| 0.45 | 282.0 | 0.025 | 0.1953 |
| 0.45 | 294.0 | 0.2332 | 0.232 |
| 0.55 | 270.0 | 0.1721 | 0.1931 |
| 0.55 | 282.0 | 0.3675 | 0.1718 |
| 0.65 | 258.0 | 0.1498 | 0.2207 |
| 0.65 | 270.0 | 0.028 | 0.2063 |
| 0.65 | 282.0 | 0.1022 | 0.188 |
| 0.75 | 258.0 | 0.1313 | 0.2299 |
| 0.75 | 270.0 | -0.1181 | 0.2048 |
| 0.75 | 282.0 | -0.1381 | 0.231 |
| 0.85 | 150.0 | -0.0404 | 0.1835 |
| 0.85 | 162.0 | 0.2751 | 0.1802 |
| 0.85 | 174.0 | 0.4401 | 0.1655 |
| 0.85 | 186.0 | 0.0529 | 0.1913 |
| 0.85 | 198.0 | -0.2984 | 0.1936 |
| 0.85 | 210.0 | 0.1902 | 0.1977 |
| 0.85 | 222.0 | -0.1237 | 0.2152 |
| 0.95 | 138.0 | 0.2515 | 0.1909 |
| 0.95 | 150.0 | 0.2486 | 0.1897 |
| 0.95 | 162.0 | 0.1045 | 0.2111 |
| 0.95 | 174.0 | -0.0041 | 0.2276 |
| 0.95 | 186.0 | -0.0132 | 0.1823 |
| 0.95 | 198.0 | 0.0881 | 0.238 |
| 0.95 | 210.0 | 0.2147 | 0.2213 |
Experiment comment: