Measurement E151M2936
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.5037 | |
| Q2: | 0.101 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9544 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.1345 | 0.1767 |
| 0.25 | 78.0 | 0.2002 | 0.2366 |
| 0.25 | 294.0 | -0.2877 | 0.2591 |
| 0.35 | 66.0 | -0.0645 | 0.1768 |
| 0.35 | 78.0 | 0.0133 | 0.1841 |
| 0.45 | 66.0 | -0.0705 | 0.1736 |
| 0.45 | 78.0 | -0.065 | 0.161 |
| 0.45 | 90.0 | -0.1869 | 0.2862 |
| 0.45 | 282.0 | -0.1241 | 0.277 |
| 0.45 | 294.0 | 0.3292 | 0.2305 |
| 0.55 | 66.0 | -0.4029 | 0.2148 |
| 0.55 | 78.0 | 0.1861 | 0.1649 |
| 0.55 | 90.0 | -0.0982 | 0.1916 |
| 0.55 | 270.0 | -0.0723 | 0.1746 |
| 0.55 | 282.0 | -0.2228 | 0.1862 |
| 0.65 | 78.0 | 0.1033 | 0.2264 |
| 0.65 | 90.0 | -0.1574 | 0.2485 |
| 0.65 | 246.0 | 0.0454 | 0.2817 |
| 0.65 | 258.0 | -0.0583 | 0.164 |
| 0.65 | 270.0 | 0.2239 | 0.1498 |
| 0.65 | 282.0 | -0.1066 | 0.1571 |
| 0.75 | 78.0 | -0.1226 | 0.2803 |
| 0.75 | 90.0 | -0.0666 | 0.2121 |
| 0.75 | 102.0 | -0.1606 | 0.206 |
| 0.75 | 114.0 | 0.1098 | 0.1903 |
| 0.75 | 126.0 | -0.143 | 0.2182 |
| 0.75 | 234.0 | 0.462 | 0.196 |
| 0.75 | 246.0 | -0.23 | 0.1612 |
| 0.75 | 258.0 | 0.0979 | 0.1561 |
| 0.75 | 270.0 | 0.0442 | 0.139 |
| 0.75 | 282.0 | 0.2304 | 0.1782 |
| 0.85 | 90.0 | -0.0847 | 0.1751 |
| 0.85 | 102.0 | -0.073 | 0.1403 |
| 0.85 | 114.0 | 0.2635 | 0.1679 |
| 0.85 | 126.0 | 0.2175 | 0.1441 |
| 0.85 | 138.0 | 0.1041 | 0.1716 |
| 0.85 | 150.0 | -0.0335 | 0.1933 |
| 0.85 | 162.0 | 0.1087 | 0.2138 |
| 0.85 | 174.0 | -0.3652 | 0.2405 |
| 0.85 | 234.0 | -0.1708 | 0.2156 |
| 0.85 | 246.0 | -0.22 | 0.1755 |
| 0.85 | 258.0 | -0.0262 | 0.1477 |
| 0.85 | 270.0 | 0.3091 | 0.1522 |
| 0.85 | 282.0 | -0.0792 | 0.1759 |
| 0.95 | 102.0 | -0.0595 | 0.1758 |
| 0.95 | 114.0 | -0.1629 | 0.1638 |
| 0.95 | 126.0 | -0.0392 | 0.1762 |
| 0.95 | 138.0 | 0.1247 | 0.1695 |
| 0.95 | 150.0 | 0.0118 | 0.1816 |
| 0.95 | 162.0 | -0.0899 | 0.1855 |
| 0.95 | 174.0 | -0.1815 | 0.2202 |
| 0.95 | 186.0 | -0.0384 | 0.2239 |
| 0.95 | 198.0 | -0.1738 | 0.2666 |
| 0.95 | 210.0 | -0.0101 | 0.2754 |
| 0.95 | 222.0 | -0.3663 | 0.2336 |
| 0.95 | 246.0 | -0.2151 | 0.2444 |
| 0.95 | 258.0 | -0.1081 | 0.2657 |
Experiment comment: