Measurement E151M3290
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0912 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9115 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | 0.3546 | 0.2424 |
| 0.25 | 66.0 | 0.1112 | 0.1568 |
| 0.25 | 78.0 | 0.1266 | 0.1531 |
| 0.25 | 282.0 | 0.1058 | 0.1761 |
| 0.25 | 294.0 | -0.186 | 0.1408 |
| 0.35 | 54.0 | -0.0891 | 0.2474 |
| 0.35 | 66.0 | 0.0081 | 0.1225 |
| 0.35 | 78.0 | 0.0216 | 0.1344 |
| 0.35 | 90.0 | 0.5462 | 0.2028 |
| 0.35 | 270.0 | 0.1111 | 0.1447 |
| 0.35 | 282.0 | 0.1469 | 0.1208 |
| 0.35 | 294.0 | -0.0048 | 0.1328 |
| 0.45 | 66.0 | -0.0167 | 0.1287 |
| 0.45 | 78.0 | 0.0612 | 0.1101 |
| 0.45 | 90.0 | 0.1422 | 0.1477 |
| 0.45 | 102.0 | 0.2501 | 0.1598 |
| 0.45 | 114.0 | -0.0113 | 0.1727 |
| 0.45 | 126.0 | 0.4004 | 0.17 |
| 0.45 | 258.0 | 0.0762 | 0.1552 |
| 0.45 | 270.0 | 0.0857 | 0.1212 |
| 0.45 | 282.0 | 0.0584 | 0.1133 |
| 0.45 | 294.0 | -0.1372 | 0.1303 |
| 0.55 | 66.0 | -0.1347 | 0.1642 |
| 0.55 | 78.0 | -0.3216 | 0.1291 |
| 0.55 | 90.0 | 0.101 | 0.1513 |
| 0.55 | 102.0 | 0.3847 | 0.2067 |
| 0.55 | 114.0 | 0.1401 | 0.1274 |
| 0.55 | 126.0 | 0.1178 | 0.15 |
| 0.55 | 138.0 | -0.095 | 0.1463 |
| 0.55 | 210.0 | -0.5324 | 0.2284 |
| 0.55 | 222.0 | -0.0627 | 0.1623 |
| 0.55 | 234.0 | 0.3463 | 0.1649 |
| 0.55 | 246.0 | 0.0757 | 0.1594 |
| 0.55 | 258.0 | -0.1383 | 0.1381 |
| 0.55 | 270.0 | -0.0411 | 0.1171 |
| 0.55 | 282.0 | 0.0763 | 0.1052 |
| 0.55 | 294.0 | 0.0082 | 0.1729 |
| 0.65 | 66.0 | -0.1043 | 0.1357 |
| 0.65 | 78.0 | -0.0475 | 0.1522 |
| 0.65 | 90.0 | 0.3754 | 0.1485 |
| 0.65 | 102.0 | 0.0002 | 0.1313 |
| 0.65 | 114.0 | 0.0252 | 0.1176 |
| 0.65 | 126.0 | -0.0573 | 0.1153 |
| 0.65 | 138.0 | -0.0051 | 0.1197 |
| 0.65 | 150.0 | 0.1248 | 0.2506 |
| 0.65 | 198.0 | -0.129 | 0.2329 |
| 0.65 | 210.0 | -0.1177 | 0.15 |
| 0.65 | 222.0 | 0.3069 | 0.116 |
| 0.65 | 234.0 | -0.0591 | 0.1284 |
| 0.65 | 246.0 | -0.1438 | 0.1516 |
| 0.65 | 258.0 | -0.0511 | 0.122 |
| 0.65 | 270.0 | 0.1647 | 0.1338 |
| 0.65 | 282.0 | -0.1127 | 0.157 |
| 0.65 | 294.0 | 0.0878 | 0.1472 |
| 0.75 | 66.0 | 0.5634 | 0.221 |
| 0.75 | 114.0 | -0.1018 | 0.2182 |
| 0.75 | 126.0 | 0.0752 | 0.1534 |
| 0.75 | 138.0 | -0.2158 | 0.1981 |
| 0.75 | 198.0 | 0.0984 | 0.2277 |
| 0.75 | 210.0 | 0.0625 | 0.2236 |
| 0.75 | 222.0 | -0.2544 | 0.1666 |
| 0.75 | 234.0 | -0.0055 | 0.154 |
| 0.75 | 246.0 | 0.1764 | 0.2089 |
| 0.75 | 270.0 | -0.3347 | 0.2274 |
| 0.75 | 282.0 | 0.0434 | 0.1869 |
| 0.75 | 294.0 | -0.0353 | 0.2453 |
| 0.85 | 90.0 | -0.3728 | 0.2253 |
| 0.85 | 102.0 | -0.0175 | 0.1878 |
| 0.85 | 114.0 | -0.2502 | 0.2077 |
| 0.85 | 138.0 | 0.1048 | 0.2658 |
| 0.85 | 198.0 | -0.1701 | 0.2172 |
| 0.85 | 210.0 | -0.0352 | 0.2058 |
| 0.85 | 222.0 | 0.1309 | 0.1699 |
| 0.85 | 234.0 | 0.0038 | 0.1696 |
| 0.85 | 246.0 | -0.1075 | 0.2039 |
| 0.85 | 258.0 | 0.331 | 0.2362 |
| 0.85 | 270.0 | -0.2352 | 0.2174 |
| 0.95 | 222.0 | -0.3517 | 0.2249 |
| 0.95 | 234.0 | 0.0005 | 0.234 |
| 0.95 | 246.0 | 0.0045 | 0.241 |
| 0.65 | 306.0 | 0.3663 | 0.198 |
| 0.75 | 66.0 | 0.1088 | 0.2381 |
| 0.75 | 78.0 | 0.0547 | 0.2407 |
| 0.75 | 102.0 | 0.4154 | 0.2422 |
| 0.75 | 114.0 | -0.1393 | 0.1463 |
| 0.75 | 126.0 | 0.1945 | 0.1898 |
| 0.75 | 138.0 | -0.0599 | 0.1917 |
| 0.75 | 150.0 | 0.1339 | 0.2011 |
| 0.75 | 198.0 | -0.129 | 0.1816 |
| 0.75 | 210.0 | -0.1596 | 0.2163 |
| 0.75 | 222.0 | 0.0243 | 0.1517 |
| 0.75 | 234.0 | 0.1479 | 0.1693 |
| 0.75 | 246.0 | 0.1151 | 0.1895 |
| 0.75 | 258.0 | 0.2468 | 0.2053 |
| 0.75 | 270.0 | 0.386 | 0.2116 |
| 0.75 | 282.0 | -0.0056 | 0.1662 |
| 0.75 | 294.0 | -0.0017 | 0.1914 |
| 0.85 | 90.0 | -0.276 | 0.1974 |
| 0.85 | 102.0 | -0.1485 | 0.1701 |
| 0.85 | 114.0 | 0.2635 | 0.2081 |
| 0.85 | 126.0 | 0.3352 | 0.2105 |
| 0.85 | 186.0 | -0.4567 | 0.2305 |
| 0.85 | 198.0 | 0.4662 | 0.2126 |
| 0.85 | 210.0 | 0.0704 | 0.1822 |
| 0.85 | 222.0 | 0.1628 | 0.159 |
| 0.85 | 234.0 | 0.1346 | 0.1587 |
| 0.85 | 246.0 | 0.1959 | 0.201 |
| 0.85 | 258.0 | 0.4902 | 0.2076 |
| 0.85 | 270.0 | -0.0959 | 0.2523 |
| 0.95 | 114.0 | 0.2158 | 0.2441 |
| 0.95 | 210.0 | -0.0115 | 0.2406 |
| 0.95 | 222.0 | -0.6204 | 0.2028 |
| 0.95 | 234.0 | -0.1857 | 0.1896 |
| 0.95 | 246.0 | 0.0686 | 0.2223 |
Experiment comment: