Measurement E151M2996
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2524 | |
| Q2: | 0.101 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9207 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.1367 | 0.2013 |
| 0.25 | 78.0 | 0.0979 | 0.2297 |
| 0.25 | 294.0 | 0.2144 | 0.2033 |
| 0.25 | 306.0 | 0.2099 | 0.2607 |
| 0.35 | 66.0 | 0.079 | 0.1963 |
| 0.35 | 78.0 | 0.1308 | 0.22 |
| 0.35 | 282.0 | 0.0661 | 0.2503 |
| 0.35 | 294.0 | 0.0529 | 0.216 |
| 0.35 | 306.0 | -0.1043 | 0.2262 |
| 0.45 | 66.0 | 0.0541 | 0.1996 |
| 0.45 | 78.0 | 0.0772 | 0.1736 |
| 0.45 | 90.0 | 0.1198 | 0.2619 |
| 0.45 | 282.0 | 0.1137 | 0.1796 |
| 0.45 | 294.0 | -0.0139 | 0.2086 |
| 0.55 | 66.0 | 0.1453 | 0.1983 |
| 0.55 | 78.0 | 0.1367 | 0.1877 |
| 0.55 | 90.0 | -0.2044 | 0.2346 |
| 0.55 | 102.0 | 0.3467 | 0.2279 |
| 0.55 | 114.0 | -0.1211 | 0.2525 |
| 0.55 | 246.0 | 0.1899 | 0.2629 |
| 0.55 | 258.0 | 0.1623 | 0.2186 |
| 0.55 | 270.0 | 0.4657 | 0.2197 |
| 0.55 | 282.0 | 0.2082 | 0.2226 |
| 0.55 | 294.0 | 0.0345 | 0.2278 |
| 0.65 | 66.0 | 0.055 | 0.2135 |
| 0.65 | 78.0 | 0.0592 | 0.2462 |
| 0.65 | 90.0 | -0.2169 | 0.2556 |
| 0.65 | 102.0 | -0.2292 | 0.2075 |
| 0.65 | 114.0 | 0.0076 | 0.1753 |
| 0.65 | 126.0 | 0.3806 | 0.2088 |
| 0.65 | 234.0 | -0.1157 | 0.2147 |
| 0.65 | 246.0 | 0.0743 | 0.1939 |
| 0.65 | 258.0 | 0.047 | 0.1874 |
| 0.65 | 270.0 | 0.1556 | 0.2474 |
| 0.75 | 90.0 | 0.1879 | 0.2328 |
| 0.75 | 102.0 | 0.1031 | 0.1665 |
| 0.75 | 114.0 | -0.0949 | 0.1491 |
| 0.75 | 126.0 | -0.2583 | 0.1626 |
| 0.75 | 138.0 | 0.3149 | 0.18 |
| 0.75 | 150.0 | 0.1191 | 0.2587 |
| 0.75 | 210.0 | 0.0155 | 0.2258 |
| 0.75 | 222.0 | -0.3959 | 0.1728 |
| 0.75 | 234.0 | -0.1122 | 0.1722 |
| 0.75 | 246.0 | -0.0718 | 0.1651 |
| 0.75 | 258.0 | -0.0517 | 0.1483 |
| 0.75 | 270.0 | 0.0933 | 0.2172 |
| 0.75 | 282.0 | 0.1393 | 0.262 |
| 0.85 | 90.0 | 0.032 | 0.2303 |
| 0.85 | 102.0 | 0.4215 | 0.1669 |
| 0.85 | 114.0 | 0.2367 | 0.1452 |
| 0.85 | 126.0 | 0.2902 | 0.1713 |
| 0.85 | 138.0 | 0.1296 | 0.1856 |
| 0.85 | 150.0 | 0.2028 | 0.204 |
| 0.85 | 162.0 | -0.3891 | 0.2811 |
| 0.85 | 210.0 | -0.3503 | 0.211 |
| 0.85 | 222.0 | 0.0504 | 0.2026 |
| 0.85 | 234.0 | -0.169 | 0.1769 |
| 0.85 | 246.0 | -0.0141 | 0.1577 |
| 0.85 | 258.0 | 0.2519 | 0.1504 |
| 0.85 | 270.0 | 0.2958 | 0.1847 |
| 0.85 | 282.0 | -0.0585 | 0.1935 |
| 0.95 | 90.0 | -0.2079 | 0.2623 |
| 0.95 | 102.0 | 0.5827 | 0.2266 |
| 0.95 | 114.0 | 0.0494 | 0.2628 |
| 0.95 | 126.0 | 0.1542 | 0.2738 |
| 0.95 | 222.0 | 0.081 | 0.2019 |
| 0.95 | 234.0 | 0.0231 | 0.1909 |
| 0.95 | 246.0 | -0.1954 | 0.1761 |
| 0.95 | 258.0 | 0.095 | 0.1839 |
| 0.95 | 270.0 | -0.1347 | 0.1795 |
Experiment comment: