Measurement E151M3484
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3392 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9338 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | 0.0894 | 0.1958 |
| 0.05 | 66.0 | -0.2997 | 0.2252 |
| 0.05 | 294.0 | -0.0984 | 0.2726 |
| 0.05 | 306.0 | -0.119 | 0.2626 |
| 0.15 | 54.0 | 0.4656 | 0.1767 |
| 0.15 | 66.0 | 0.1255 | 0.1862 |
| 0.15 | 282.0 | 0.2758 | 0.2756 |
| 0.15 | 294.0 | -0.0818 | 0.1763 |
| 0.15 | 306.0 | -0.1036 | 0.1922 |
| 0.25 | 54.0 | -0.1107 | 0.1984 |
| 0.25 | 66.0 | 0.3241 | 0.1646 |
| 0.25 | 78.0 | 0.0321 | 0.2236 |
| 0.25 | 282.0 | -0.2182 | 0.1791 |
| 0.25 | 294.0 | 0.3704 | 0.1671 |
| 0.25 | 306.0 | -0.2369 | 0.211 |
| 0.35 | 54.0 | 0.437 | 0.2285 |
| 0.35 | 66.0 | -0.128 | 0.182 |
| 0.35 | 78.0 | -0.2375 | 0.2475 |
| 0.35 | 270.0 | 0.2706 | 0.2306 |
| 0.35 | 282.0 | 0.1213 | 0.1589 |
| 0.35 | 294.0 | -0.104 | 0.1729 |
| 0.35 | 306.0 | -0.203 | 0.2635 |
| 0.45 | 42.0 | -0.2432 | 0.2708 |
| 0.45 | 54.0 | -0.1275 | 0.2773 |
| 0.45 | 66.0 | -0.0486 | 0.2221 |
| 0.45 | 90.0 | -0.1279 | 0.2104 |
| 0.45 | 102.0 | -0.1541 | 0.187 |
| 0.45 | 270.0 | 0.1057 | 0.2003 |
| 0.45 | 282.0 | -0.1782 | 0.1532 |
| 0.45 | 294.0 | -0.0051 | 0.1533 |
| 0.45 | 306.0 | 0.1559 | 0.2245 |
| 0.45 | 318.0 | 0.3414 | 0.254 |
| 0.55 | 54.0 | -0.3976 | 0.2304 |
| 0.55 | 78.0 | 0.0104 | 0.2023 |
| 0.55 | 90.0 | -0.0072 | 0.1453 |
| 0.55 | 102.0 | 0.1444 | 0.145 |
| 0.55 | 114.0 | 0.1376 | 0.1623 |
| 0.55 | 126.0 | 0.1508 | 0.2701 |
| 0.55 | 246.0 | 0.0634 | 0.2681 |
| 0.55 | 258.0 | 0.603 | 0.1749 |
| 0.55 | 270.0 | -0.3362 | 0.203 |
| 0.55 | 282.0 | 0.0347 | 0.1862 |
| 0.55 | 294.0 | -0.3549 | 0.2135 |
| 0.55 | 306.0 | 0.0279 | 0.1905 |
| 0.65 | 78.0 | -0.0379 | 0.1607 |
| 0.65 | 90.0 | -0.1487 | 0.1386 |
| 0.65 | 102.0 | 0.4376 | 0.1268 |
| 0.65 | 114.0 | -0.0171 | 0.1568 |
| 0.65 | 126.0 | -0.0828 | 0.1822 |
| 0.65 | 222.0 | -0.3975 | 0.2283 |
| 0.65 | 234.0 | -0.4483 | 0.188 |
| 0.65 | 246.0 | 0.0962 | 0.1888 |
| 0.65 | 258.0 | -0.1225 | 0.1786 |
| 0.65 | 270.0 | -0.1704 | 0.1947 |
| 0.65 | 282.0 | -0.5034 | 0.2304 |
| 0.65 | 306.0 | 0.2885 | 0.2274 |
| 0.75 | 54.0 | -0.1722 | 0.2551 |
| 0.75 | 66.0 | 0.112 | 0.1863 |
| 0.75 | 78.0 | 0.2364 | 0.1705 |
| 0.75 | 90.0 | 0.2194 | 0.114 |
| 0.75 | 102.0 | -0.0748 | 0.1289 |
| 0.75 | 114.0 | 0.1376 | 0.1432 |
| 0.75 | 126.0 | 0.0786 | 0.1564 |
| 0.75 | 138.0 | -0.117 | 0.19 |
| 0.75 | 150.0 | 0.4226 | 0.2396 |
| 0.75 | 198.0 | -0.2492 | 0.2364 |
| 0.75 | 210.0 | -0.4431 | 0.1821 |
| 0.75 | 222.0 | -0.0577 | 0.1676 |
| 0.75 | 234.0 | 0.0432 | 0.1599 |
| 0.75 | 246.0 | 0.0536 | 0.1456 |
| 0.75 | 258.0 | -0.0901 | 0.1509 |
| 0.75 | 270.0 | -0.1514 | 0.1683 |
| 0.75 | 282.0 | -0.059 | 0.2183 |
| 0.75 | 294.0 | -0.1434 | 0.2512 |
| 0.85 | 54.0 | 0.1878 | 0.1942 |
| 0.85 | 66.0 | 0.1691 | 0.1403 |
| 0.85 | 78.0 | -0.2927 | 0.196 |
| 0.85 | 90.0 | 0.2365 | 0.1745 |
| 0.85 | 102.0 | 0.0604 | 0.1316 |
| 0.85 | 114.0 | 0.1459 | 0.1391 |
| 0.85 | 126.0 | 0.1481 | 0.1685 |
| 0.85 | 138.0 | 0.0556 | 0.1976 |
| 0.85 | 186.0 | 0.146 | 0.2412 |
| 0.85 | 198.0 | 0.0218 | 0.1935 |
| 0.85 | 210.0 | 0.1605 | 0.1747 |
| 0.85 | 222.0 | -0.4433 | 0.132 |
| 0.85 | 234.0 | -0.0879 | 0.134 |
| 0.85 | 246.0 | -0.1742 | 0.1218 |
| 0.85 | 258.0 | 0.0918 | 0.1141 |
| 0.85 | 270.0 | 0.1859 | 0.1182 |
| 0.85 | 282.0 | 0.0552 | 0.1466 |
| 0.85 | 294.0 | -0.0885 | 0.1947 |
| 0.85 | 306.0 | -0.2589 | 0.1888 |
| 0.95 | 54.0 | 0.1725 | 0.2491 |
| 0.95 | 66.0 | -0.0183 | 0.192 |
| 0.95 | 78.0 | 0.193 | 0.2326 |
| 0.95 | 114.0 | 0.1544 | 0.2167 |
| 0.95 | 126.0 | -0.1568 | 0.2525 |
| 0.95 | 138.0 | 0.1677 | 0.2608 |
| 0.95 | 186.0 | -0.3387 | 0.196 |
| 0.95 | 198.0 | -0.1514 | 0.2021 |
| 0.95 | 210.0 | 0.0376 | 0.2 |
| 0.95 | 222.0 | 0.1536 | 0.1934 |
| 0.95 | 234.0 | -0.0452 | 0.169 |
| 0.95 | 246.0 | -0.1869 | 0.1662 |
| 0.95 | 258.0 | -0.279 | 0.1536 |
| 0.95 | 270.0 | 0.2043 | 0.1538 |
| 0.95 | 282.0 | -0.1569 | 0.1331 |
| 0.95 | 294.0 | -0.061 | 0.1382 |
| 0.95 | 306.0 | 0.0111 | 0.1482 |
| 0.95 | 318.0 | 0.0829 | 0.193 |
Experiment comment: