Measurement E151M3521
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2386 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9111 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.0041 | 0.2666 |
| 0.25 | 66.0 | 0.2166 | 0.2625 |
| 0.25 | 282.0 | -0.3052 | 0.2642 |
| 0.25 | 294.0 | 0.1216 | 0.2679 |
| 0.35 | 66.0 | 0.2956 | 0.2469 |
| 0.35 | 270.0 | 0.2535 | 0.2546 |
| 0.35 | 294.0 | 0.1732 | 0.262 |
| 0.45 | 102.0 | 0.2804 | 0.2329 |
| 0.45 | 114.0 | -0.2303 | 0.248 |
| 0.45 | 270.0 | -0.1626 | 0.2711 |
| 0.45 | 282.0 | -0.1376 | 0.1785 |
| 0.45 | 294.0 | 0.0014 | 0.2716 |
| 0.55 | 90.0 | 0.4409 | 0.1795 |
| 0.55 | 102.0 | -0.0018 | 0.1752 |
| 0.55 | 114.0 | 0.0347 | 0.2124 |
| 0.55 | 126.0 | -0.015 | 0.2421 |
| 0.55 | 234.0 | 0.085 | 0.237 |
| 0.55 | 246.0 | 0.1686 | 0.2596 |
| 0.55 | 258.0 | -0.0597 | 0.2601 |
| 0.55 | 270.0 | 0.3628 | 0.2185 |
| 0.55 | 282.0 | -0.0784 | 0.2313 |
| 0.55 | 306.0 | 0.0275 | 0.2296 |
| 0.65 | 90.0 | -0.3183 | 0.159 |
| 0.65 | 102.0 | -0.0069 | 0.1719 |
| 0.65 | 114.0 | -0.2526 | 0.1556 |
| 0.65 | 126.0 | 0.1451 | 0.2137 |
| 0.65 | 210.0 | -0.0226 | 0.2738 |
| 0.65 | 222.0 | 0.2841 | 0.1822 |
| 0.65 | 234.0 | -0.0138 | 0.1908 |
| 0.65 | 246.0 | -0.1628 | 0.2087 |
| 0.65 | 270.0 | -0.0822 | 0.2728 |
| 0.65 | 294.0 | -0.2602 | 0.1845 |
| 0.65 | 306.0 | -0.0936 | 0.2115 |
| 0.75 | 66.0 | -0.0008 | 0.2317 |
| 0.75 | 78.0 | 0.0988 | 0.2076 |
| 0.75 | 90.0 | -0.0801 | 0.1979 |
| 0.75 | 102.0 | 0.058 | 0.147 |
| 0.75 | 114.0 | 0.2515 | 0.1588 |
| 0.75 | 126.0 | -0.0154 | 0.2134 |
| 0.75 | 138.0 | 0.5536 | 0.2027 |
| 0.75 | 186.0 | -0.3278 | 0.2454 |
| 0.75 | 198.0 | 0.1419 | 0.2167 |
| 0.75 | 210.0 | -0.3235 | 0.1851 |
| 0.75 | 222.0 | -0.2576 | 0.1647 |
| 0.75 | 234.0 | -0.1715 | 0.1572 |
| 0.75 | 246.0 | 0.0615 | 0.1794 |
| 0.75 | 258.0 | -0.0234 | 0.1881 |
| 0.75 | 270.0 | -0.097 | 0.2256 |
| 0.75 | 294.0 | -0.2674 | 0.2409 |
| 0.85 | 66.0 | 0.0339 | 0.1669 |
| 0.85 | 78.0 | -0.1662 | 0.1648 |
| 0.85 | 90.0 | -0.1884 | 0.1913 |
| 0.85 | 102.0 | 0.1045 | 0.1912 |
| 0.85 | 114.0 | 0.1357 | 0.173 |
| 0.85 | 126.0 | 0.0021 | 0.2336 |
| 0.85 | 138.0 | 0.447 | 0.2433 |
| 0.85 | 174.0 | -0.3228 | 0.2583 |
| 0.85 | 186.0 | -0.268 | 0.1913 |
| 0.85 | 198.0 | -0.0737 | 0.1967 |
| 0.85 | 210.0 | -0.2308 | 0.1559 |
| 0.85 | 222.0 | 0.0276 | 0.1679 |
| 0.85 | 234.0 | -0.3388 | 0.1354 |
| 0.85 | 246.0 | -0.1368 | 0.1276 |
| 0.85 | 258.0 | -0.1929 | 0.1541 |
| 0.85 | 270.0 | 0.1251 | 0.169 |
| 0.85 | 282.0 | -0.0596 | 0.22 |
| 0.85 | 294.0 | 0.2739 | 0.2346 |
| 0.95 | 66.0 | -0.0647 | 0.2205 |
| 0.95 | 78.0 | -0.0528 | 0.1972 |
| 0.95 | 90.0 | -0.2008 | 0.2221 |
| 0.95 | 102.0 | 0.2335 | 0.2634 |
| 0.95 | 174.0 | -0.0335 | 0.2719 |
| 0.95 | 186.0 | -0.296 | 0.2282 |
| 0.95 | 198.0 | -0.0089 | 0.213 |
| 0.95 | 210.0 | -0.2102 | 0.1676 |
| 0.95 | 222.0 | 0.0795 | 0.1926 |
| 0.95 | 234.0 | -0.0761 | 0.1702 |
| 0.95 | 246.0 | 0.1496 | 0.1567 |
| 0.95 | 258.0 | 0.0807 | 0.1615 |
| 0.95 | 270.0 | 0.1747 | 0.1494 |
| 0.95 | 282.0 | 0.2254 | 0.1589 |
| 0.95 | 294.0 | 0.0841 | 0.1459 |
| 0.95 | 306.0 | -0.0393 | 0.1768 |
Experiment comment: