Measurement E151M2553
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.043 | |
| Q2: | 0.0143 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.7998 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | 0.0046 | 0.2462 |
| 0.25 | 54.0 | -0.0087 | 0.239 |
| 0.35 | 30.0 | 0.0066 | 0.2219 |
| 0.35 | 42.0 | 0.0916 | 0.156 |
| 0.35 | 54.0 | 0.1126 | 0.1683 |
| 0.35 | 66.0 | 0.0412 | 0.2252 |
| 0.45 | 18.0 | 0.158 | 0.2556 |
| 0.45 | 30.0 | 0.2616 | 0.211 |
| 0.45 | 42.0 | 0.0173 | 0.1385 |
| 0.45 | 54.0 | 0.089 | 0.1702 |
| 0.45 | 66.0 | 0.2036 | 0.2458 |
| 0.45 | 234.0 | 0.244 | 0.2235 |
| 0.55 | 18.0 | 0.1994 | 0.2219 |
| 0.55 | 30.0 | 0.1769 | 0.1586 |
| 0.55 | 42.0 | 0.0501 | 0.1311 |
| 0.55 | 54.0 | 0.0459 | 0.1455 |
| 0.55 | 66.0 | -0.1416 | 0.2481 |
| 0.55 | 138.0 | -0.2301 | 0.2214 |
| 0.55 | 150.0 | 0.5623 | 0.1922 |
| 0.55 | 162.0 | 0.233 | 0.2594 |
| 0.55 | 222.0 | -0.2727 | 0.1986 |
| 0.55 | 234.0 | -0.0495 | 0.1648 |
| 0.55 | 246.0 | -0.1648 | 0.1526 |
| 0.55 | 258.0 | -0.1158 | 0.1846 |
| 0.65 | 30.0 | 0.0369 | 0.2548 |
| 0.65 | 42.0 | -0.1173 | 0.21 |
| 0.65 | 54.0 | -0.0255 | 0.2041 |
| 0.65 | 138.0 | -0.0099 | 0.1995 |
| 0.65 | 150.0 | 0.0599 | 0.1902 |
| 0.65 | 162.0 | 0.3284 | 0.2065 |
| 0.65 | 174.0 | 0.2263 | 0.2475 |
| 0.65 | 186.0 | -0.034 | 0.2378 |
| 0.65 | 210.0 | -0.2584 | 0.1981 |
| 0.65 | 222.0 | -0.0773 | 0.2067 |
| 0.65 | 234.0 | -0.0496 | 0.1427 |
| 0.65 | 246.0 | 0.2129 | 0.1443 |
| 0.65 | 258.0 | -0.2849 | 0.1853 |
| 0.75 | 138.0 | -0.0053 | 0.202 |
| 0.75 | 150.0 | -0.2682 | 0.1875 |
| 0.75 | 162.0 | 0.4322 | 0.1746 |
| 0.75 | 174.0 | -0.0016 | 0.2493 |
| 0.75 | 210.0 | -0.1725 | 0.224 |
| 0.75 | 222.0 | 0.0769 | 0.1908 |
| 0.75 | 234.0 | 0.0911 | 0.1418 |
| 0.75 | 246.0 | -0.0957 | 0.1369 |
| 0.75 | 258.0 | -0.247 | 0.1628 |
| 0.85 | 162.0 | 0.4979 | 0.2229 |
| 0.85 | 210.0 | 0.0294 | 0.238 |
| 0.85 | 222.0 | 0.2342 | 0.1884 |
| 0.85 | 234.0 | -0.1792 | 0.1574 |
| 0.85 | 246.0 | -0.112 | 0.143 |
| 0.85 | 258.0 | -0.1217 | 0.1568 |
| 0.85 | 270.0 | 0.0615 | 0.2489 |
| 0.95 | 234.0 | -0.2086 | 0.2373 |
Experiment comment: