Measurement E151M2993
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1617 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9327 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 318.0 | 0.0846 | 0.2756 |
| 0.15 | 342.0 | -0.4526 | 0.2449 |
| 0.25 | 54.0 | -0.0233 | 0.2749 |
| 0.25 | 66.0 | -0.0036 | 0.1925 |
| 0.25 | 78.0 | 0.0733 | 0.2218 |
| 0.25 | 282.0 | 0.2537 | 0.2358 |
| 0.25 | 294.0 | -0.1028 | 0.1812 |
| 0.25 | 306.0 | 0.0762 | 0.2219 |
| 0.35 | 54.0 | 0.3951 | 0.2057 |
| 0.35 | 66.0 | 0.086 | 0.1658 |
| 0.35 | 78.0 | 0.016 | 0.1279 |
| 0.35 | 90.0 | 0.1573 | 0.2213 |
| 0.35 | 270.0 | 0.0851 | 0.2505 |
| 0.35 | 282.0 | -0.0454 | 0.1771 |
| 0.35 | 294.0 | 0.0349 | 0.1511 |
| 0.35 | 306.0 | -0.4294 | 0.1484 |
| 0.45 | 66.0 | 0.1194 | 0.15 |
| 0.45 | 78.0 | -0.1493 | 0.124 |
| 0.45 | 90.0 | -0.0003 | 0.1618 |
| 0.45 | 270.0 | 0.0331 | 0.1806 |
| 0.45 | 282.0 | -0.1335 | 0.1581 |
| 0.45 | 294.0 | -0.0221 | 0.1376 |
| 0.45 | 306.0 | -0.1726 | 0.1941 |
| 0.55 | 66.0 | -0.1333 | 0.2007 |
| 0.55 | 78.0 | -0.0939 | 0.1349 |
| 0.55 | 90.0 | -0.0244 | 0.167 |
| 0.55 | 102.0 | -0.3407 | 0.1661 |
| 0.55 | 114.0 | -0.0287 | 0.2125 |
| 0.55 | 126.0 | 0.0382 | 0.2568 |
| 0.55 | 234.0 | -0.0208 | 0.2525 |
| 0.55 | 246.0 | 0.3737 | 0.1826 |
| 0.55 | 258.0 | -0.4633 | 0.1923 |
| 0.55 | 270.0 | -0.1579 | 0.1604 |
| 0.55 | 282.0 | -0.2596 | 0.1322 |
| 0.55 | 294.0 | 0.396 | 0.1474 |
| 0.65 | 66.0 | -0.4566 | 0.178 |
| 0.65 | 78.0 | -0.0699 | 0.1807 |
| 0.65 | 90.0 | -0.1463 | 0.1713 |
| 0.65 | 102.0 | 0.2322 | 0.1734 |
| 0.65 | 114.0 | 0.135 | 0.1516 |
| 0.65 | 126.0 | -0.006 | 0.1653 |
| 0.65 | 138.0 | 0.4384 | 0.1637 |
| 0.65 | 210.0 | -0.1401 | 0.2329 |
| 0.65 | 222.0 | 0.0465 | 0.1779 |
| 0.65 | 234.0 | 0.1597 | 0.1529 |
| 0.65 | 246.0 | 0.1594 | 0.1471 |
| 0.65 | 258.0 | 0.1933 | 0.1458 |
| 0.65 | 270.0 | -0.163 | 0.1678 |
| 0.65 | 282.0 | 0.3615 | 0.2025 |
| 0.65 | 294.0 | -0.2642 | 0.2163 |
| 0.65 | 306.0 | 0.3313 | 0.2394 |
| 0.75 | 78.0 | -0.1605 | 0.2157 |
| 0.75 | 90.0 | 0.0565 | 0.2467 |
| 0.75 | 102.0 | 0.4624 | 0.1401 |
| 0.75 | 114.0 | 0.0521 | 0.1293 |
| 0.75 | 126.0 | -0.0782 | 0.1324 |
| 0.75 | 138.0 | -0.1962 | 0.1549 |
| 0.75 | 150.0 | 0.16 | 0.1981 |
| 0.75 | 162.0 | 0.0327 | 0.2316 |
| 0.75 | 198.0 | 0.1296 | 0.2208 |
| 0.75 | 210.0 | 0.0927 | 0.1784 |
| 0.75 | 222.0 | 0.1251 | 0.1508 |
| 0.75 | 234.0 | -0.1233 | 0.1217 |
| 0.75 | 246.0 | -0.1654 | 0.1122 |
| 0.75 | 258.0 | -0.063 | 0.1371 |
| 0.75 | 270.0 | -0.0162 | 0.1871 |
| 0.75 | 282.0 | 0.0857 | 0.2266 |
| 0.85 | 90.0 | 0.0432 | 0.2157 |
| 0.85 | 102.0 | -0.24 | 0.2057 |
| 0.85 | 114.0 | -0.0205 | 0.1448 |
| 0.85 | 126.0 | -0.0737 | 0.1365 |
| 0.85 | 138.0 | 0.1735 | 0.1627 |
| 0.85 | 150.0 | 0.1462 | 0.1776 |
| 0.85 | 162.0 | 0.1266 | 0.2082 |
| 0.85 | 198.0 | 0.045 | 0.235 |
| 0.85 | 210.0 | 0.2834 | 0.1622 |
| 0.85 | 222.0 | -0.0848 | 0.1619 |
| 0.85 | 234.0 | 0.0227 | 0.1391 |
| 0.85 | 246.0 | -0.0636 | 0.1226 |
| 0.85 | 258.0 | -0.0736 | 0.1316 |
| 0.85 | 270.0 | 0.0831 | 0.1496 |
| 0.95 | 114.0 | -0.0335 | 0.2683 |
| 0.95 | 126.0 | 0.2462 | 0.2696 |
| 0.95 | 138.0 | 0.2877 | 0.2509 |
| 0.95 | 210.0 | 0.4408 | 0.2512 |
| 0.95 | 222.0 | 0.1686 | 0.2022 |
| 0.95 | 234.0 | -0.0452 | 0.1802 |
| 0.95 | 246.0 | 0.0683 | 0.1893 |
| 0.95 | 258.0 | 0.0725 | 0.1995 |
Experiment comment: