Measurement E151M2452
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2619 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1205.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.9209 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | -0.1581 | 0.2435 |
| 0.25 | 54.0 | 0.1335 | 0.2333 |
| 0.35 | 54.0 | 0.4394 | 0.2287 |
| 0.55 | 258.0 | 0.169 | 0.2096 |
| 0.55 | 270.0 | 0.0939 | 0.1952 |
| 0.55 | 282.0 | 0.2862 | 0.1926 |
| 0.65 | 246.0 | -0.184 | 0.2578 |
| 0.65 | 258.0 | -0.079 | 0.1665 |
| 0.65 | 270.0 | -0.0465 | 0.1699 |
| 0.65 | 282.0 | 0.0285 | 0.236 |
| 0.75 | 162.0 | 0.48 | 0.2082 |
| 0.75 | 174.0 | 0.5843 | 0.2061 |
| 0.75 | 186.0 | 0.3365 | 0.2597 |
| 0.75 | 198.0 | 0.5863 | 0.2219 |
| 0.75 | 210.0 | 0.16 | 0.2447 |
| 0.75 | 246.0 | 0.0247 | 0.2375 |
| 0.75 | 258.0 | 0.0523 | 0.2113 |
| 0.75 | 270.0 | -0.2763 | 0.2303 |
| 0.85 | 150.0 | -0.6624 | 0.2226 |
| 0.85 | 162.0 | -0.2284 | 0.1933 |
| 0.85 | 174.0 | 0.0109 | 0.1512 |
| 0.85 | 186.0 | -0.1129 | 0.1846 |
| 0.85 | 198.0 | -0.1314 | 0.2131 |
| 0.85 | 210.0 | -0.1199 | 0.2095 |
| 0.85 | 222.0 | 0.1405 | 0.222 |
Experiment comment: