Measurement E151M2933
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3315 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9642 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.2079 | 0.2634 |
| 0.25 | 66.0 | -0.4381 | 0.1944 |
| 0.25 | 294.0 | 0.258 | 0.2275 |
| 0.25 | 306.0 | -0.119 | 0.2013 |
| 0.35 | 66.0 | 0.0584 | 0.1659 |
| 0.35 | 78.0 | -0.1602 | 0.1667 |
| 0.35 | 294.0 | 0.1045 | 0.2016 |
| 0.35 | 306.0 | 0.2394 | 0.2521 |
| 0.45 | 66.0 | 0.2255 | 0.1581 |
| 0.45 | 78.0 | 0.0923 | 0.1227 |
| 0.45 | 90.0 | -0.1403 | 0.1617 |
| 0.45 | 270.0 | 0.1491 | 0.2415 |
| 0.45 | 282.0 | 0.3424 | 0.1923 |
| 0.45 | 294.0 | 0.0454 | 0.2493 |
| 0.55 | 66.0 | 0.156 | 0.2109 |
| 0.55 | 78.0 | -0.0551 | 0.1487 |
| 0.55 | 90.0 | 0.1949 | 0.1578 |
| 0.55 | 258.0 | 0.3014 | 0.2194 |
| 0.55 | 270.0 | 0.0506 | 0.2143 |
| 0.55 | 282.0 | -0.0288 | 0.1862 |
| 0.65 | 78.0 | 0.0447 | 0.1594 |
| 0.65 | 90.0 | 0.243 | 0.1625 |
| 0.65 | 102.0 | -0.1979 | 0.2266 |
| 0.65 | 114.0 | -0.1717 | 0.246 |
| 0.65 | 246.0 | -0.1557 | 0.1822 |
| 0.65 | 258.0 | -0.2227 | 0.1376 |
| 0.65 | 270.0 | -0.1245 | 0.1364 |
| 0.65 | 282.0 | -0.2188 | 0.1911 |
| 0.75 | 90.0 | 0.5118 | 0.1675 |
| 0.75 | 102.0 | 0.2661 | 0.1574 |
| 0.75 | 114.0 | 0.095 | 0.1694 |
| 0.75 | 126.0 | -0.2472 | 0.1682 |
| 0.75 | 138.0 | 0.3165 | 0.2046 |
| 0.75 | 150.0 | -0.2279 | 0.2418 |
| 0.75 | 234.0 | -0.0938 | 0.1759 |
| 0.75 | 246.0 | 0.0399 | 0.136 |
| 0.75 | 258.0 | 0.2345 | 0.1246 |
| 0.75 | 270.0 | -0.1962 | 0.1361 |
| 0.75 | 282.0 | -0.4543 | 0.2093 |
| 0.85 | 102.0 | 0.2035 | 0.2022 |
| 0.85 | 114.0 | -0.0191 | 0.1331 |
| 0.85 | 126.0 | -0.0834 | 0.127 |
| 0.85 | 138.0 | -0.0204 | 0.1303 |
| 0.85 | 150.0 | -0.147 | 0.1441 |
| 0.85 | 162.0 | 0.0559 | 0.1958 |
| 0.85 | 174.0 | 0.0294 | 0.189 |
| 0.85 | 186.0 | 0.5325 | 0.214 |
| 0.85 | 198.0 | 0.1398 | 0.261 |
| 0.85 | 210.0 | -0.2225 | 0.2137 |
| 0.85 | 222.0 | -0.1824 | 0.1708 |
| 0.85 | 234.0 | 0.1089 | 0.1588 |
| 0.85 | 246.0 | -0.0374 | 0.1403 |
| 0.85 | 258.0 | 0.1128 | 0.1427 |
| 0.85 | 270.0 | 0.1056 | 0.1774 |
| 0.95 | 114.0 | 0.124 | 0.244 |
| 0.95 | 126.0 | -0.0425 | 0.2315 |
| 0.95 | 138.0 | -0.0018 | 0.1898 |
| 0.95 | 150.0 | 0.0555 | 0.1831 |
| 0.95 | 162.0 | -0.0575 | 0.1843 |
| 0.95 | 174.0 | 0.1047 | 0.1836 |
| 0.95 | 186.0 | 0.1058 | 0.2227 |
| 0.95 | 198.0 | -0.4272 | 0.2124 |
| 0.95 | 210.0 | -0.168 | 0.2711 |
| 0.95 | 222.0 | -0.3172 | 0.2429 |
| 0.95 | 234.0 | 0.274 | 0.2407 |
| 0.95 | 246.0 | -0.0245 | 0.2359 |
Experiment comment: