Measurement E151M2538
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1405 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 1.0539 GeV | |
| ε: | 0.8069 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 42.0 | -0.0153 | 0.2371 |
| 0.25 | 54.0 | 0.2811 | 0.2388 |
| 0.35 | 30.0 | 0.5454 | 0.2041 |
| 0.35 | 42.0 | 0.0132 | 0.2068 |
| 0.35 | 54.0 | 0.2284 | 0.2325 |
| 0.45 | 30.0 | 0.0934 | 0.2246 |
| 0.45 | 42.0 | -0.1817 | 0.1649 |
| 0.45 | 54.0 | -0.1293 | 0.2159 |
| 0.45 | 270.0 | 0.0103 | 0.251 |
| 0.55 | 234.0 | -0.0177 | 0.2121 |
| 0.55 | 246.0 | -0.0697 | 0.1974 |
| 0.55 | 258.0 | -0.1248 | 0.1592 |
| 0.55 | 270.0 | 0.1489 | 0.2102 |
| 0.65 | 138.0 | 0.321 | 0.213 |
| 0.65 | 150.0 | 0.1514 | 0.1947 |
| 0.65 | 162.0 | 0.1101 | 0.2375 |
| 0.65 | 222.0 | 0.1267 | 0.2142 |
| 0.65 | 234.0 | 0.0091 | 0.1813 |
| 0.65 | 246.0 | -0.3773 | 0.1345 |
| 0.65 | 258.0 | -0.1526 | 0.1304 |
| 0.65 | 270.0 | -0.1965 | 0.1588 |
| 0.75 | 126.0 | -0.2075 | 0.2489 |
| 0.75 | 138.0 | 0.2072 | 0.2124 |
| 0.75 | 150.0 | 0.1254 | 0.1759 |
| 0.75 | 162.0 | -0.0904 | 0.1928 |
| 0.75 | 174.0 | -0.0936 | 0.2446 |
| 0.75 | 186.0 | -0.1933 | 0.2224 |
| 0.75 | 222.0 | -0.0465 | 0.214 |
| 0.75 | 234.0 | -0.1968 | 0.1428 |
| 0.75 | 246.0 | 0.1722 | 0.1441 |
| 0.75 | 258.0 | 0.0628 | 0.1473 |
| 0.75 | 270.0 | 0.0968 | 0.1607 |
| 0.85 | 126.0 | 0.0239 | 0.2149 |
| 0.85 | 138.0 | -0.1266 | 0.235 |
| 0.85 | 150.0 | 0.2854 | 0.1646 |
| 0.85 | 162.0 | 0.2655 | 0.174 |
| 0.85 | 174.0 | 0.0219 | 0.2218 |
| 0.85 | 186.0 | 0.0084 | 0.2006 |
| 0.85 | 222.0 | 0.0501 | 0.2187 |
| 0.85 | 234.0 | 0.0973 | 0.1625 |
| 0.85 | 246.0 | -0.0812 | 0.1452 |
| 0.85 | 258.0 | 0.1241 | 0.1293 |
| 0.85 | 270.0 | -0.1326 | 0.1391 |
| 0.85 | 282.0 | 0.0895 | 0.2111 |
| 0.95 | 126.0 | -0.2199 | 0.241 |
| 0.95 | 138.0 | 0.2331 | 0.2422 |
| 0.95 | 246.0 | 0.1476 | 0.2066 |
Experiment comment: