Measurement E151M2612
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0188 | |
| Q2: | 0.0121 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.6605 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.5242 | 0.2231 |
| 0.35 | 30.0 | -0.1395 | 0.243 |
| 0.35 | 42.0 | -0.1187 | 0.1607 |
| 0.35 | 54.0 | 0.2408 | 0.1674 |
| 0.45 | 30.0 | 0.3437 | 0.1934 |
| 0.45 | 42.0 | -0.0868 | 0.175 |
| 0.45 | 54.0 | -0.0626 | 0.1474 |
| 0.45 | 66.0 | 0.2889 | 0.2216 |
| 0.45 | 222.0 | -0.2013 | 0.2009 |
| 0.45 | 234.0 | -0.0138 | 0.1971 |
| 0.45 | 246.0 | 0.575 | 0.1817 |
| 0.55 | 30.0 | 0.1276 | 0.1902 |
| 0.55 | 42.0 | 0.3903 | 0.1788 |
| 0.55 | 54.0 | -0.1563 | 0.1673 |
| 0.55 | 66.0 | 0.1062 | 0.2581 |
| 0.55 | 138.0 | 0.0267 | 0.2512 |
| 0.55 | 150.0 | 0.0112 | 0.2504 |
| 0.55 | 162.0 | 0.1728 | 0.2421 |
| 0.55 | 186.0 | -0.3071 | 0.2529 |
| 0.55 | 210.0 | -0.1833 | 0.2463 |
| 0.55 | 222.0 | -0.3815 | 0.186 |
| 0.55 | 234.0 | -0.2685 | 0.1651 |
| 0.55 | 246.0 | 0.2628 | 0.1663 |
| 0.65 | 54.0 | 0.2761 | 0.2217 |
| 0.65 | 150.0 | -0.2367 | 0.2289 |
| 0.65 | 162.0 | -0.3225 | 0.2363 |
| 0.65 | 174.0 | 0.3151 | 0.2529 |
| 0.65 | 186.0 | 0.1486 | 0.2549 |
| 0.65 | 210.0 | -0.259 | 0.2164 |
| 0.65 | 222.0 | -0.105 | 0.1729 |
| 0.65 | 234.0 | -0.0033 | 0.162 |
| 0.65 | 246.0 | 0.0776 | 0.1538 |
| 0.65 | 258.0 | -0.168 | 0.2086 |
| 0.75 | 162.0 | 0.5946 | 0.2195 |
| 0.75 | 174.0 | -0.1526 | 0.2247 |
| 0.75 | 210.0 | 0.0012 | 0.2217 |
| 0.75 | 222.0 | 0.2467 | 0.1822 |
| 0.75 | 234.0 | 0.2456 | 0.1974 |
| 0.75 | 246.0 | 0.0415 | 0.1691 |
| 0.75 | 258.0 | 0.1737 | 0.2272 |
| 0.85 | 210.0 | -0.3365 | 0.2363 |
| 0.85 | 222.0 | 0.1883 | 0.192 |
| 0.85 | 234.0 | 0.1962 | 0.1935 |
| 0.85 | 246.0 | 0.2302 | 0.2071 |
| 0.85 | 258.0 | 0.3566 | 0.1978 |
Experiment comment: