Measurement E151M2543
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2772 | |
| Q2: | 0.101 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7431 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 42.0 | -0.0352 | 0.2708 |
| 0.55 | 258.0 | -0.211 | 0.2362 |
| 0.55 | 270.0 | 0.0339 | 0.224 |
| 0.65 | 234.0 | -0.5882 | 0.2048 |
| 0.65 | 246.0 | -0.1439 | 0.198 |
| 0.65 | 258.0 | -0.2658 | 0.1778 |
| 0.65 | 270.0 | 0.1466 | 0.1982 |
| 0.65 | 282.0 | 0.758 | 0.1893 |
| 0.75 | 126.0 | 0.4486 | 0.234 |
| 0.75 | 138.0 | 0.057 | 0.1944 |
| 0.75 | 150.0 | -0.346 | 0.2273 |
| 0.75 | 234.0 | -0.0627 | 0.2326 |
| 0.75 | 246.0 | 0.1653 | 0.2143 |
| 0.75 | 270.0 | -0.3001 | 0.2041 |
| 0.75 | 282.0 | 0.1644 | 0.1953 |
| 0.85 | 114.0 | 0.2893 | 0.2243 |
| 0.85 | 126.0 | -0.2118 | 0.203 |
| 0.85 | 138.0 | -0.2466 | 0.1882 |
| 0.85 | 150.0 | 0.2506 | 0.2019 |
| 0.85 | 162.0 | 0.148 | 0.2032 |
| 0.85 | 174.0 | 0.302 | 0.2414 |
| 0.85 | 186.0 | 0.0156 | 0.2447 |
| 0.85 | 246.0 | 0.1994 | 0.207 |
| 0.85 | 258.0 | 0.0993 | 0.1618 |
| 0.85 | 270.0 | 0.0753 | 0.1998 |
| 0.85 | 282.0 | 0.1192 | 0.1947 |
| 0.95 | 102.0 | -0.1176 | 0.2193 |
| 0.95 | 126.0 | 0.396 | 0.2295 |
| 0.95 | 138.0 | -0.3093 | 0.2326 |
| 0.95 | 258.0 | 0.3478 | 0.2316 |
| 0.95 | 270.0 | 0.0387 | 0.239 |
Experiment comment: