Measurement E151M3226
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3928 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.939 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.2163 | 0.2139 |
| 0.25 | 294.0 | -0.1168 | 0.2591 |
| 0.25 | 306.0 | -0.3689 | 0.1703 |
| 0.35 | 66.0 | -0.0531 | 0.1527 |
| 0.45 | 66.0 | -0.0895 | 0.2345 |
| 0.45 | 78.0 | 0.1196 | 0.2484 |
| 0.45 | 294.0 | 0.0508 | 0.259 |
| 0.65 | 90.0 | 0.0672 | 0.2551 |
| 0.65 | 102.0 | -0.0714 | 0.1992 |
| 0.65 | 258.0 | -0.1571 | 0.2195 |
| 0.65 | 270.0 | -0.1782 | 0.2012 |
| 0.75 | 90.0 | 0.1459 | 0.213 |
| 0.75 | 102.0 | 0.0112 | 0.1857 |
| 0.75 | 114.0 | 0.1343 | 0.1975 |
| 0.75 | 126.0 | 0.4181 | 0.1873 |
| 0.75 | 138.0 | 0.4807 | 0.23 |
| 0.75 | 234.0 | -0.4788 | 0.2145 |
| 0.75 | 246.0 | 0.3534 | 0.176 |
| 0.75 | 258.0 | 0.0172 | 0.2076 |
| 0.75 | 270.0 | 0.4197 | 0.198 |
| 0.75 | 282.0 | 0.1231 | 0.2514 |
| 0.85 | 90.0 | -0.169 | 0.2248 |
| 0.85 | 102.0 | 0.151 | 0.1757 |
| 0.85 | 114.0 | 0.3381 | 0.1579 |
| 0.85 | 126.0 | -0.195 | 0.1999 |
| 0.85 | 138.0 | -0.103 | 0.2102 |
| 0.85 | 234.0 | 0.3124 | 0.22 |
| 0.85 | 246.0 | -0.1062 | 0.1618 |
| 0.85 | 258.0 | 0.1447 | 0.1884 |
| 0.85 | 270.0 | 0.0579 | 0.1844 |
| 0.85 | 282.0 | -0.5043 | 0.1724 |
| 0.85 | 294.0 | 0.0571 | 0.2307 |
| 0.95 | 102.0 | 0.1988 | 0.2576 |
| 0.95 | 114.0 | -0.1778 | 0.2609 |
| 0.95 | 234.0 | -0.3437 | 0.223 |
| 0.95 | 246.0 | -0.3807 | 0.2289 |
| 0.95 | 258.0 | 0.3126 | 0.2025 |
| 0.95 | 270.0 | 0.094 | 0.2171 |
| 0.95 | 282.0 | -0.2531 | 0.1889 |
| 0.35 | 78.0 | 0.1676 | 0.2284 |
| 0.35 | 294.0 | 0.4352 | 0.2085 |
| 0.35 | 306.0 | -0.2271 | 0.2243 |
| 0.45 | 66.0 | -0.598 | 0.2029 |
| 0.45 | 294.0 | 0.4317 | 0.235 |
| 0.65 | 102.0 | -0.1163 | 0.2132 |
| 0.65 | 114.0 | -0.0189 | 0.2586 |
| 0.65 | 258.0 | 0.4777 | 0.2286 |
| 0.65 | 270.0 | 0.0221 | 0.2249 |
| 0.75 | 90.0 | 0.1816 | 0.2068 |
| 0.75 | 102.0 | 0.3401 | 0.1526 |
| 0.75 | 114.0 | 0.0667 | 0.1967 |
| 0.75 | 126.0 | 0.0371 | 0.2457 |
| 0.75 | 234.0 | 0.3116 | 0.2241 |
| 0.75 | 246.0 | 0.2739 | 0.2118 |
| 0.75 | 258.0 | -0.1991 | 0.182 |
| 0.75 | 270.0 | 0.2694 | 0.1666 |
| 0.75 | 282.0 | 0.1817 | 0.2131 |
| 0.85 | 90.0 | 0.1574 | 0.2604 |
| 0.85 | 102.0 | -0.2069 | 0.165 |
| 0.85 | 114.0 | 0.0273 | 0.1808 |
| 0.85 | 126.0 | 0.1358 | 0.1834 |
| 0.85 | 150.0 | 0.7037 | 0.2112 |
| 0.85 | 222.0 | 0.5355 | 0.2109 |
| 0.85 | 234.0 | -0.2225 | 0.2256 |
| 0.85 | 246.0 | -0.4574 | 0.1961 |
| 0.85 | 258.0 | 0.1728 | 0.2126 |
| 0.85 | 270.0 | 0.1309 | 0.1864 |
| 0.85 | 282.0 | -0.1606 | 0.1795 |
| 0.85 | 294.0 | 0.0676 | 0.2475 |
| 0.95 | 114.0 | 0.2484 | 0.2102 |
| 0.95 | 234.0 | -0.0074 | 0.1964 |
| 0.95 | 246.0 | -0.2616 | 0.2339 |
| 0.95 | 258.0 | -0.0837 | 0.233 |
| 0.95 | 270.0 | -0.1356 | 0.1819 |
| 0.95 | 282.0 | -0.2923 | 0.186 |
Experiment comment: