Measurement E151M3011
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1869 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9143 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.2832 | 0.2343 |
| 0.15 | 294.0 | -0.2036 | 0.241 |
| 0.25 | 66.0 | -0.3105 | 0.1665 |
| 0.25 | 78.0 | -0.3223 | 0.2343 |
| 0.25 | 282.0 | -0.3462 | 0.2416 |
| 0.25 | 294.0 | 0.337 | 0.1835 |
| 0.25 | 306.0 | 0.2754 | 0.2775 |
| 0.35 | 66.0 | -0.0269 | 0.1852 |
| 0.35 | 78.0 | 0.232 | 0.168 |
| 0.35 | 90.0 | 0.0953 | 0.2537 |
| 0.35 | 270.0 | 0.2209 | 0.2714 |
| 0.35 | 282.0 | 0.2515 | 0.1766 |
| 0.35 | 294.0 | 0.2343 | 0.1659 |
| 0.35 | 306.0 | 0.2857 | 0.2431 |
| 0.45 | 66.0 | -0.0458 | 0.2015 |
| 0.45 | 78.0 | 0.0507 | 0.151 |
| 0.45 | 90.0 | 0.5811 | 0.1476 |
| 0.45 | 270.0 | -0.1765 | 0.2489 |
| 0.45 | 282.0 | -0.0203 | 0.1877 |
| 0.45 | 294.0 | 0.0061 | 0.1696 |
| 0.45 | 306.0 | 0.4024 | 0.2104 |
| 0.55 | 66.0 | -0.0111 | 0.2262 |
| 0.55 | 78.0 | 0.4608 | 0.1677 |
| 0.55 | 90.0 | -0.1995 | 0.2222 |
| 0.55 | 102.0 | 0.0958 | 0.2423 |
| 0.55 | 114.0 | -0.2714 | 0.1897 |
| 0.55 | 126.0 | -0.1922 | 0.2769 |
| 0.55 | 246.0 | 0.177 | 0.2647 |
| 0.55 | 258.0 | 0.2894 | 0.2456 |
| 0.55 | 270.0 | 0.1098 | 0.1913 |
| 0.55 | 282.0 | 0.1562 | 0.1786 |
| 0.55 | 294.0 | -0.2998 | 0.2109 |
| 0.65 | 66.0 | 0.0615 | 0.1962 |
| 0.65 | 78.0 | 0.0245 | 0.2223 |
| 0.65 | 90.0 | 0.1263 | 0.2278 |
| 0.65 | 102.0 | -0.1863 | 0.1951 |
| 0.65 | 114.0 | 0.0773 | 0.1864 |
| 0.65 | 126.0 | -0.2911 | 0.1734 |
| 0.65 | 138.0 | 0.16 | 0.2336 |
| 0.65 | 210.0 | 0.0239 | 0.2565 |
| 0.65 | 222.0 | 0.2075 | 0.2158 |
| 0.65 | 234.0 | -0.1166 | 0.1737 |
| 0.65 | 246.0 | -0.1911 | 0.1812 |
| 0.65 | 258.0 | -0.0794 | 0.1843 |
| 0.65 | 270.0 | 0.2497 | 0.1911 |
| 0.65 | 282.0 | 0.477 | 0.2358 |
| 0.65 | 294.0 | 0.124 | 0.2427 |
| 0.65 | 306.0 | 0.539 | 0.2397 |
| 0.75 | 90.0 | 0.1806 | 0.2241 |
| 0.75 | 102.0 | -0.1019 | 0.1725 |
| 0.75 | 114.0 | 0.0377 | 0.1674 |
| 0.75 | 126.0 | 0.3775 | 0.1531 |
| 0.75 | 138.0 | 0.1618 | 0.1766 |
| 0.75 | 150.0 | 0.0494 | 0.2118 |
| 0.75 | 210.0 | 0.0147 | 0.2331 |
| 0.75 | 222.0 | 0.0508 | 0.2217 |
| 0.75 | 234.0 | 0.1322 | 0.1588 |
| 0.75 | 246.0 | -0.0349 | 0.1435 |
| 0.75 | 258.0 | 0.01 | 0.1628 |
| 0.75 | 270.0 | -0.1075 | 0.2371 |
| 0.75 | 294.0 | 0.2169 | 0.2798 |
| 0.85 | 90.0 | 0.2928 | 0.2052 |
| 0.85 | 102.0 | 0.229 | 0.2202 |
| 0.85 | 114.0 | 0.1641 | 0.1501 |
| 0.85 | 126.0 | 0.0433 | 0.1625 |
| 0.85 | 138.0 | 0.2895 | 0.1871 |
| 0.85 | 150.0 | -0.13 | 0.2358 |
| 0.85 | 210.0 | -0.2071 | 0.2568 |
| 0.85 | 222.0 | -0.1214 | 0.168 |
| 0.85 | 234.0 | -0.3354 | 0.155 |
| 0.85 | 246.0 | -0.1121 | 0.1533 |
| 0.85 | 258.0 | -0.3596 | 0.154 |
| 0.85 | 270.0 | -0.05 | 0.1799 |
| 0.85 | 282.0 | 0.1386 | 0.2413 |
| 0.95 | 102.0 | -0.315 | 0.2303 |
| 0.95 | 138.0 | 0.0736 | 0.2654 |
| 0.95 | 222.0 | -0.3808 | 0.2473 |
| 0.95 | 234.0 | 0.1629 | 0.1988 |
| 0.95 | 246.0 | -0.1236 | 0.1753 |
| 0.95 | 258.0 | 0.0394 | 0.1836 |
Experiment comment: