Measurement E151M3198
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3691 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9635 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | -0.1075 | 0.1674 |
| 0.25 | 66.0 | -0.1459 | 0.1446 |
| 0.25 | 78.0 | -0.0408 | 0.2269 |
| 0.25 | 294.0 | -0.1984 | 0.1528 |
| 0.25 | 306.0 | 0.0808 | 0.1428 |
| 0.35 | 66.0 | -0.0488 | 0.1236 |
| 0.35 | 78.0 | 0.1245 | 0.1443 |
| 0.35 | 282.0 | -0.1441 | 0.2563 |
| 0.35 | 294.0 | -0.0381 | 0.1311 |
| 0.35 | 306.0 | -0.0962 | 0.1603 |
| 0.45 | 66.0 | 0.1174 | 0.1284 |
| 0.45 | 78.0 | -0.2355 | 0.1111 |
| 0.45 | 90.0 | 0.0238 | 0.1611 |
| 0.45 | 282.0 | -0.0605 | 0.1506 |
| 0.45 | 294.0 | 0.0841 | 0.1403 |
| 0.55 | 66.0 | -0.0353 | 0.1447 |
| 0.55 | 78.0 | 0.2198 | 0.1126 |
| 0.55 | 90.0 | 0.0886 | 0.2247 |
| 0.55 | 270.0 | 0.266 | 0.1414 |
| 0.55 | 282.0 | -0.0383 | 0.1493 |
| 0.65 | 78.0 | 0.0234 | 0.2086 |
| 0.65 | 90.0 | 0.2693 | 0.2249 |
| 0.65 | 102.0 | 0.4624 | 0.2258 |
| 0.65 | 114.0 | 0.1978 | 0.2389 |
| 0.65 | 246.0 | -0.0729 | 0.2339 |
| 0.65 | 258.0 | -0.239 | 0.194 |
| 0.65 | 270.0 | 0.3091 | 0.1661 |
| 0.65 | 282.0 | 0.1495 | 0.1805 |
| 0.75 | 90.0 | 0.0842 | 0.2161 |
| 0.75 | 102.0 | -0.0445 | 0.2067 |
| 0.75 | 114.0 | 0.1797 | 0.1828 |
| 0.75 | 126.0 | 0.0559 | 0.2302 |
| 0.75 | 234.0 | -0.0533 | 0.2418 |
| 0.75 | 246.0 | -0.255 | 0.1784 |
| 0.75 | 258.0 | 0.0465 | 0.1358 |
| 0.75 | 270.0 | -0.1076 | 0.1613 |
| 0.75 | 282.0 | -0.0064 | 0.183 |
| 0.85 | 102.0 | 0.0108 | 0.1758 |
| 0.85 | 114.0 | 0.1327 | 0.1564 |
| 0.85 | 126.0 | 0.3521 | 0.1532 |
| 0.85 | 138.0 | 0.0007 | 0.1619 |
| 0.85 | 150.0 | 0.451 | 0.159 |
| 0.85 | 162.0 | -0.2159 | 0.2389 |
| 0.85 | 222.0 | 0.0528 | 0.2225 |
| 0.85 | 234.0 | 0.234 | 0.1698 |
| 0.85 | 246.0 | -0.0666 | 0.1738 |
| 0.85 | 258.0 | -0.0756 | 0.1459 |
| 0.85 | 270.0 | -0.0474 | 0.1576 |
| 0.85 | 282.0 | 0.2342 | 0.1848 |
| 0.95 | 114.0 | 0.2474 | 0.2023 |
| 0.95 | 126.0 | -0.2631 | 0.1883 |
| 0.95 | 138.0 | 0.0993 | 0.2382 |
| 0.95 | 150.0 | 0.2696 | 0.2019 |
| 0.95 | 162.0 | -0.4086 | 0.2262 |
| 0.95 | 186.0 | -0.2068 | 0.258 |
| 0.95 | 198.0 | 0.073 | 0.2358 |
| 0.95 | 222.0 | 0.0287 | 0.265 |
| 0.95 | 234.0 | -0.0972 | 0.2405 |
| 0.95 | 246.0 | 0.1761 | 0.2341 |
| 0.95 | 258.0 | 0.13 | 0.2367 |
| 0.55 | 294.0 | -0.2484 | 0.2054 |
| 0.65 | 78.0 | -0.0808 | 0.2171 |
| 0.65 | 90.0 | 0.3547 | 0.2169 |
| 0.65 | 102.0 | -0.1235 | 0.2535 |
| 0.65 | 246.0 | -0.0527 | 0.2137 |
| 0.65 | 258.0 | -0.3295 | 0.1497 |
| 0.65 | 270.0 | -0.092 | 0.1682 |
| 0.65 | 282.0 | 0.444 | 0.1889 |
| 0.75 | 90.0 | 0.0485 | 0.2234 |
| 0.75 | 102.0 | 0.0794 | 0.1775 |
| 0.75 | 114.0 | 0.5106 | 0.1529 |
| 0.75 | 126.0 | 0.08 | 0.2028 |
| 0.75 | 138.0 | -0.0994 | 0.2072 |
| 0.75 | 234.0 | -0.2107 | 0.1809 |
| 0.75 | 246.0 | -0.2754 | 0.1593 |
| 0.75 | 258.0 | 0.1519 | 0.1396 |
| 0.75 | 270.0 | 0.0099 | 0.1313 |
| 0.75 | 282.0 | 0.192 | 0.1748 |
| 0.85 | 90.0 | 0.2098 | 0.2387 |
| 0.85 | 102.0 | 0.1831 | 0.1638 |
| 0.85 | 114.0 | 0.0862 | 0.1657 |
| 0.85 | 126.0 | -0.0418 | 0.1383 |
| 0.85 | 138.0 | 0.2161 | 0.1614 |
| 0.85 | 150.0 | -0.1672 | 0.1954 |
| 0.85 | 162.0 | -0.4875 | 0.2106 |
| 0.85 | 198.0 | 0.4167 | 0.2287 |
| 0.85 | 222.0 | -0.0753 | 0.1751 |
| 0.85 | 234.0 | 0.1447 | 0.1738 |
| 0.85 | 246.0 | 0.3608 | 0.1528 |
| 0.85 | 258.0 | -0.1958 | 0.1521 |
| 0.85 | 270.0 | 0.1984 | 0.1433 |
| 0.85 | 282.0 | 0.2575 | 0.214 |
| 0.95 | 102.0 | -0.2164 | 0.229 |
| 0.95 | 114.0 | -0.1958 | 0.2132 |
| 0.95 | 126.0 | 0.1662 | 0.1714 |
| 0.95 | 138.0 | 0.1044 | 0.178 |
| 0.95 | 150.0 | -0.2136 | 0.1848 |
| 0.95 | 162.0 | 0.175 | 0.2378 |
| 0.95 | 174.0 | -0.2184 | 0.2543 |
| 0.95 | 186.0 | 0.3922 | 0.2064 |
| 0.95 | 210.0 | -0.009 | 0.2034 |
| 0.95 | 222.0 | 0.3308 | 0.211 |
| 0.95 | 234.0 | 0.1822 | 0.186 |
| 0.95 | 246.0 | 0.2288 | 0.1875 |
| 0.95 | 258.0 | -0.059 | 0.1897 |
| 0.95 | 270.0 | -0.0914 | 0.2296 |
Experiment comment: