Measurement E151M3052
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0541 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8895 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.0318 | 0.2274 |
| 0.25 | 78.0 | 0.1901 | 0.199 |
| 0.25 | 282.0 | -0.0318 | 0.2636 |
| 0.25 | 294.0 | 0.0869 | 0.2377 |
| 0.25 | 330.0 | 0.1995 | 0.2837 |
| 0.35 | 18.0 | 0.0154 | 0.2799 |
| 0.35 | 30.0 | -0.4951 | 0.246 |
| 0.35 | 66.0 | -0.0915 | 0.175 |
| 0.35 | 78.0 | 0.0365 | 0.1663 |
| 0.35 | 90.0 | -0.0644 | 0.1951 |
| 0.35 | 258.0 | -0.6789 | 0.1899 |
| 0.35 | 270.0 | 0.0461 | 0.1746 |
| 0.35 | 282.0 | 0.0107 | 0.1626 |
| 0.35 | 294.0 | -0.3228 | 0.1709 |
| 0.35 | 318.0 | -0.3277 | 0.2606 |
| 0.35 | 330.0 | 0.0984 | 0.2741 |
| 0.45 | 18.0 | -0.1453 | 0.2515 |
| 0.45 | 30.0 | -0.2857 | 0.222 |
| 0.45 | 66.0 | -0.0655 | 0.1811 |
| 0.45 | 78.0 | 0.1525 | 0.1407 |
| 0.45 | 90.0 | -0.0748 | 0.1741 |
| 0.45 | 102.0 | 0.2382 | 0.2075 |
| 0.45 | 126.0 | -0.3076 | 0.2161 |
| 0.45 | 258.0 | 0.2511 | 0.1965 |
| 0.45 | 270.0 | 0.1156 | 0.1489 |
| 0.45 | 282.0 | -0.0159 | 0.141 |
| 0.45 | 294.0 | 0.1466 | 0.2066 |
| 0.55 | 66.0 | 0.2858 | 0.2419 |
| 0.55 | 78.0 | -0.1679 | 0.1593 |
| 0.55 | 90.0 | -0.1839 | 0.193 |
| 0.55 | 102.0 | 0.5553 | 0.1875 |
| 0.55 | 114.0 | 0.4618 | 0.1693 |
| 0.55 | 126.0 | 0.1366 | 0.1609 |
| 0.55 | 138.0 | 0.0711 | 0.1767 |
| 0.55 | 150.0 | 0.0866 | 0.2246 |
| 0.55 | 198.0 | 0.4138 | 0.244 |
| 0.55 | 210.0 | -0.0188 | 0.2224 |
| 0.55 | 222.0 | -0.1141 | 0.1928 |
| 0.55 | 234.0 | 0.0757 | 0.1717 |
| 0.55 | 246.0 | 0.0656 | 0.2027 |
| 0.55 | 258.0 | -0.0473 | 0.1969 |
| 0.55 | 270.0 | -0.2587 | 0.1499 |
| 0.55 | 282.0 | -0.2057 | 0.172 |
| 0.55 | 294.0 | -0.1065 | 0.1994 |
| 0.65 | 66.0 | 0.0883 | 0.2208 |
| 0.65 | 78.0 | 0.1205 | 0.1952 |
| 0.65 | 90.0 | -0.1955 | 0.2267 |
| 0.65 | 102.0 | -0.0379 | 0.2061 |
| 0.65 | 114.0 | -0.159 | 0.1686 |
| 0.65 | 126.0 | 0.1241 | 0.1528 |
| 0.65 | 138.0 | 0.1311 | 0.1766 |
| 0.65 | 150.0 | -0.0366 | 0.2 |
| 0.65 | 186.0 | 0.6582 | 0.1885 |
| 0.65 | 198.0 | 0.1463 | 0.1978 |
| 0.65 | 210.0 | 0.0554 | 0.1526 |
| 0.65 | 222.0 | 0.0658 | 0.1581 |
| 0.65 | 234.0 | 0.1241 | 0.1829 |
| 0.65 | 246.0 | 0.294 | 0.1664 |
| 0.65 | 258.0 | -0.0843 | 0.19 |
| 0.65 | 270.0 | 0.0985 | 0.2646 |
| 0.65 | 282.0 | 0.0392 | 0.2439 |
| 0.65 | 294.0 | -0.2128 | 0.2017 |
| 0.75 | 66.0 | 0.1405 | 0.2268 |
| 0.75 | 78.0 | 0.294 | 0.1824 |
| 0.75 | 102.0 | 0.2598 | 0.2483 |
| 0.75 | 114.0 | -0.1637 | 0.185 |
| 0.75 | 126.0 | 0.2523 | 0.1686 |
| 0.75 | 138.0 | -0.0672 | 0.1548 |
| 0.75 | 150.0 | 0.3452 | 0.2083 |
| 0.75 | 162.0 | 0.0163 | 0.2739 |
| 0.75 | 198.0 | -0.1913 | 0.201 |
| 0.75 | 210.0 | 0.2259 | 0.1632 |
| 0.75 | 222.0 | 0.1023 | 0.1601 |
| 0.75 | 234.0 | 0.2852 | 0.1628 |
| 0.75 | 246.0 | -0.2067 | 0.2004 |
| 0.75 | 270.0 | -0.0934 | 0.1864 |
| 0.75 | 282.0 | -0.3068 | 0.1506 |
| 0.75 | 294.0 | 0.0481 | 0.1964 |
| 0.85 | 102.0 | -0.3693 | 0.2024 |
| 0.85 | 114.0 | -0.2002 | 0.1917 |
| 0.85 | 126.0 | 0.3024 | 0.2104 |
| 0.85 | 138.0 | 0.3796 | 0.2566 |
| 0.85 | 198.0 | -0.2556 | 0.1864 |
| 0.85 | 210.0 | 0.1004 | 0.1749 |
| 0.85 | 222.0 | -0.1501 | 0.1594 |
| 0.85 | 234.0 | 0.129 | 0.1596 |
| 0.85 | 246.0 | -0.2793 | 0.1918 |
| 0.95 | 222.0 | 0.1606 | 0.2544 |
| 0.95 | 234.0 | 0.069 | 0.2466 |
Experiment comment: