Measurement E151M2536
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1029 | |
| Q2: | 0.0291 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.82 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 42.0 | 0.083 | 0.2361 |
| 0.25 | 30.0 | 0.1237 | 0.2336 |
| 0.25 | 42.0 | -0.1867 | 0.2104 |
| 0.25 | 54.0 | -0.3037 | 0.2161 |
| 0.35 | 30.0 | -0.135 | 0.2268 |
| 0.35 | 42.0 | -0.1139 | 0.189 |
| 0.35 | 54.0 | -0.1883 | 0.2331 |
| 0.45 | 30.0 | -0.0718 | 0.1612 |
| 0.45 | 42.0 | -0.017 | 0.1782 |
| 0.45 | 54.0 | 0.0968 | 0.2002 |
| 0.55 | 42.0 | -0.0756 | 0.2104 |
| 0.55 | 54.0 | -0.1098 | 0.2334 |
| 0.55 | 234.0 | 0.1247 | 0.1615 |
| 0.55 | 246.0 | -0.0737 | 0.1557 |
| 0.55 | 258.0 | -0.133 | 0.1433 |
| 0.55 | 270.0 | -0.0316 | 0.198 |
| 0.65 | 138.0 | 0.0246 | 0.2235 |
| 0.65 | 150.0 | 0.5334 | 0.1832 |
| 0.65 | 162.0 | 0.003 | 0.2272 |
| 0.65 | 174.0 | 0.4756 | 0.2385 |
| 0.65 | 186.0 | 0.1646 | 0.2546 |
| 0.65 | 210.0 | -0.3688 | 0.2305 |
| 0.65 | 222.0 | -0.2772 | 0.1686 |
| 0.65 | 234.0 | -0.0971 | 0.1408 |
| 0.65 | 246.0 | -0.336 | 0.1403 |
| 0.65 | 258.0 | -0.2605 | 0.1278 |
| 0.65 | 270.0 | -0.1593 | 0.1675 |
| 0.75 | 138.0 | 0.1969 | 0.2047 |
| 0.75 | 150.0 | 0.0396 | 0.1779 |
| 0.75 | 162.0 | -0.1118 | 0.1852 |
| 0.75 | 174.0 | 0.2195 | 0.1789 |
| 0.75 | 186.0 | 0.0762 | 0.2186 |
| 0.75 | 222.0 | -0.0765 | 0.1851 |
| 0.75 | 234.0 | -0.102 | 0.1461 |
| 0.75 | 246.0 | 0.3824 | 0.135 |
| 0.75 | 258.0 | -0.1523 | 0.1354 |
| 0.75 | 270.0 | 0.0795 | 0.1484 |
| 0.75 | 282.0 | -0.0201 | 0.2492 |
| 0.85 | 138.0 | 0.0033 | 0.227 |
| 0.85 | 150.0 | 0.0206 | 0.2016 |
| 0.85 | 162.0 | -0.2366 | 0.2103 |
| 0.85 | 174.0 | 0.1099 | 0.2368 |
| 0.85 | 222.0 | 0.1235 | 0.2309 |
| 0.85 | 234.0 | -0.3295 | 0.1587 |
| 0.85 | 246.0 | -0.085 | 0.1261 |
| 0.85 | 258.0 | 0.0783 | 0.1581 |
| 0.85 | 270.0 | -0.3027 | 0.1363 |
| 0.85 | 282.0 | 0.047 | 0.2429 |
| 0.95 | 138.0 | -0.4413 | 0.2028 |
| 0.95 | 246.0 | -0.2868 | 0.1978 |
| 0.95 | 258.0 | 0.1335 | 0.2605 |
Experiment comment: