Measurement E151M2934
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3833 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9615 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | -0.054 | 0.2529 |
| 0.25 | 66.0 | 0.3384 | 0.2019 |
| 0.25 | 78.0 | 0.002 | 0.2553 |
| 0.25 | 294.0 | -0.1488 | 0.2467 |
| 0.25 | 306.0 | -0.0194 | 0.1851 |
| 0.35 | 66.0 | 0.1142 | 0.1675 |
| 0.35 | 78.0 | -0.0085 | 0.1508 |
| 0.35 | 294.0 | 0.152 | 0.2197 |
| 0.35 | 306.0 | 0.0145 | 0.2445 |
| 0.45 | 66.0 | -0.0139 | 0.1513 |
| 0.45 | 78.0 | -0.2635 | 0.1272 |
| 0.45 | 90.0 | 0.2391 | 0.2021 |
| 0.45 | 270.0 | 0.4361 | 0.2503 |
| 0.45 | 282.0 | -0.3986 | 0.1979 |
| 0.45 | 294.0 | -0.2028 | 0.2023 |
| 0.55 | 66.0 | -0.0237 | 0.2827 |
| 0.55 | 78.0 | -0.1241 | 0.1264 |
| 0.55 | 90.0 | -0.094 | 0.1667 |
| 0.55 | 258.0 | -0.3729 | 0.2136 |
| 0.55 | 270.0 | 0.0659 | 0.1801 |
| 0.55 | 282.0 | -0.0552 | 0.2184 |
| 0.65 | 78.0 | -0.1115 | 0.1834 |
| 0.65 | 90.0 | 0.1624 | 0.1672 |
| 0.65 | 102.0 | 0.1179 | 0.2252 |
| 0.65 | 114.0 | -0.1826 | 0.2579 |
| 0.65 | 246.0 | -0.0177 | 0.2239 |
| 0.65 | 258.0 | 0.01 | 0.1428 |
| 0.65 | 270.0 | -0.2576 | 0.1282 |
| 0.65 | 282.0 | -0.0182 | 0.1517 |
| 0.75 | 90.0 | -0.1647 | 0.2509 |
| 0.75 | 102.0 | 0.047 | 0.1646 |
| 0.75 | 114.0 | -0.1948 | 0.1759 |
| 0.75 | 126.0 | -0.1804 | 0.1901 |
| 0.75 | 138.0 | 0.1985 | 0.22 |
| 0.75 | 234.0 | -0.0587 | 0.1858 |
| 0.75 | 246.0 | 0.0064 | 0.142 |
| 0.75 | 258.0 | -0.0114 | 0.1297 |
| 0.75 | 270.0 | -0.0186 | 0.1243 |
| 0.75 | 282.0 | 0.1147 | 0.1807 |
| 0.85 | 90.0 | -0.2503 | 0.2514 |
| 0.85 | 102.0 | 0.0229 | 0.1755 |
| 0.85 | 114.0 | 0.1378 | 0.1513 |
| 0.85 | 126.0 | 0.254 | 0.1412 |
| 0.85 | 138.0 | -0.1036 | 0.1383 |
| 0.85 | 150.0 | 0.1055 | 0.1823 |
| 0.85 | 162.0 | -0.2415 | 0.1595 |
| 0.85 | 174.0 | -0.1704 | 0.1976 |
| 0.85 | 186.0 | 0.0214 | 0.2456 |
| 0.85 | 198.0 | -0.4555 | 0.259 |
| 0.85 | 210.0 | -0.212 | 0.2579 |
| 0.85 | 222.0 | -0.0645 | 0.1921 |
| 0.85 | 234.0 | -0.2182 | 0.1839 |
| 0.85 | 246.0 | 0.0732 | 0.1486 |
| 0.85 | 258.0 | 0.1004 | 0.1381 |
| 0.85 | 270.0 | 0.0657 | 0.1595 |
| 0.95 | 102.0 | -0.2159 | 0.2565 |
| 0.95 | 114.0 | -0.0278 | 0.1979 |
| 0.95 | 126.0 | -0.0485 | 0.165 |
| 0.95 | 138.0 | 0.1735 | 0.165 |
| 0.95 | 150.0 | 0.1105 | 0.1693 |
| 0.95 | 162.0 | -0.082 | 0.1645 |
| 0.95 | 174.0 | -0.1611 | 0.1833 |
| 0.95 | 186.0 | -0.2168 | 0.1946 |
| 0.95 | 198.0 | -0.4272 | 0.2025 |
| 0.95 | 210.0 | 0.0204 | 0.2129 |
| 0.95 | 222.0 | -0.0757 | 0.2254 |
| 0.95 | 234.0 | -0.0553 | 0.2455 |
| 0.95 | 246.0 | -0.2229 | 0.2723 |
| 0.95 | 258.0 | -0.1838 | 0.2208 |
Experiment comment: