Measurement E151M3006
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0851 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9292 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 78.0 | -0.2751 | 0.2607 |
| 0.25 | 294.0 | -0.5958 | 0.2001 |
| 0.25 | 306.0 | -0.5296 | 0.2331 |
| 0.35 | 66.0 | 0.1986 | 0.1812 |
| 0.35 | 78.0 | 0.2706 | 0.2098 |
| 0.35 | 90.0 | 0.188 | 0.2729 |
| 0.35 | 282.0 | -0.0173 | 0.1928 |
| 0.35 | 294.0 | -0.3127 | 0.1607 |
| 0.45 | 66.0 | 0.0476 | 0.1975 |
| 0.45 | 78.0 | 0.0397 | 0.1533 |
| 0.45 | 90.0 | 0.1018 | 0.1833 |
| 0.45 | 270.0 | -0.0706 | 0.2443 |
| 0.45 | 282.0 | -0.3648 | 0.1938 |
| 0.45 | 294.0 | -0.091 | 0.1609 |
| 0.45 | 306.0 | -0.3583 | 0.2594 |
| 0.55 | 78.0 | 0.0803 | 0.1648 |
| 0.55 | 90.0 | -0.1711 | 0.1752 |
| 0.55 | 114.0 | -0.4015 | 0.2154 |
| 0.55 | 126.0 | -0.1176 | 0.2229 |
| 0.55 | 222.0 | 0.426 | 0.2341 |
| 0.55 | 234.0 | 0.1941 | 0.2555 |
| 0.55 | 246.0 | -0.0105 | 0.2346 |
| 0.55 | 258.0 | -0.5852 | 0.1769 |
| 0.55 | 270.0 | -0.0033 | 0.1823 |
| 0.55 | 282.0 | -0.0082 | 0.1743 |
| 0.55 | 294.0 | -0.0243 | 0.1981 |
| 0.65 | 66.0 | 0.0721 | 0.224 |
| 0.65 | 78.0 | 0.0701 | 0.188 |
| 0.65 | 90.0 | 0.1509 | 0.2208 |
| 0.65 | 102.0 | 0.143 | 0.2781 |
| 0.65 | 114.0 | -0.0369 | 0.1751 |
| 0.65 | 126.0 | 0.3182 | 0.1724 |
| 0.65 | 138.0 | -0.4769 | 0.176 |
| 0.65 | 150.0 | -0.1172 | 0.2137 |
| 0.65 | 210.0 | -0.2374 | 0.2197 |
| 0.65 | 222.0 | 0.001 | 0.1938 |
| 0.65 | 234.0 | -0.065 | 0.1619 |
| 0.65 | 246.0 | -0.0253 | 0.1761 |
| 0.65 | 258.0 | 0.4063 | 0.1852 |
| 0.65 | 270.0 | 0.2133 | 0.2285 |
| 0.65 | 282.0 | 0.4289 | 0.204 |
| 0.65 | 294.0 | -0.2074 | 0.2304 |
| 0.75 | 78.0 | 0.1252 | 0.2491 |
| 0.75 | 102.0 | -0.2907 | 0.2454 |
| 0.75 | 114.0 | -0.0122 | 0.2174 |
| 0.75 | 126.0 | 0.2666 | 0.1667 |
| 0.75 | 138.0 | -0.0711 | 0.1956 |
| 0.75 | 150.0 | 0.4264 | 0.2038 |
| 0.75 | 162.0 | -0.3855 | 0.2901 |
| 0.75 | 210.0 | -0.1052 | 0.213 |
| 0.75 | 222.0 | 0.05 | 0.156 |
| 0.75 | 234.0 | 0.1372 | 0.1457 |
| 0.75 | 246.0 | -0.0304 | 0.1522 |
| 0.75 | 258.0 | -0.3838 | 0.2117 |
| 0.75 | 270.0 | 0.2055 | 0.2972 |
| 0.75 | 282.0 | -0.3817 | 0.2465 |
| 0.85 | 114.0 | 0.0751 | 0.2855 |
| 0.85 | 126.0 | -0.2969 | 0.2505 |
| 0.85 | 138.0 | -0.0931 | 0.2454 |
| 0.85 | 150.0 | 0.1066 | 0.2617 |
| 0.85 | 210.0 | 0.2309 | 0.209 |
| 0.85 | 222.0 | -0.2757 | 0.1642 |
| 0.85 | 234.0 | 0.0914 | 0.1548 |
| 0.85 | 246.0 | 0.008 | 0.1666 |
| 0.85 | 258.0 | 0.0679 | 0.2059 |
| 0.95 | 222.0 | 0.4387 | 0.2584 |
| 0.95 | 234.0 | 0.2349 | 0.2648 |
Experiment comment: