Measurement E151M3554
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0979 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9039 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | -0.275 | 0.2115 |
| 0.25 | 66.0 | 0.25 | 0.2024 |
| 0.25 | 78.0 | 0.2109 | 0.234 |
| 0.25 | 270.0 | -0.3283 | 0.2472 |
| 0.25 | 282.0 | 0.1225 | 0.2271 |
| 0.25 | 294.0 | 0.0262 | 0.2737 |
| 0.35 | 66.0 | 0.1259 | 0.2253 |
| 0.35 | 78.0 | -0.1232 | 0.2187 |
| 0.35 | 114.0 | 0.1972 | 0.2541 |
| 0.35 | 270.0 | 0.5638 | 0.1475 |
| 0.35 | 282.0 | 0.0935 | 0.1756 |
| 0.35 | 294.0 | -0.0718 | 0.2556 |
| 0.45 | 66.0 | -0.3245 | 0.1971 |
| 0.45 | 78.0 | 0.0775 | 0.2411 |
| 0.45 | 90.0 | 0.1707 | 0.2446 |
| 0.45 | 102.0 | -0.2432 | 0.22 |
| 0.45 | 114.0 | 0.1079 | 0.1969 |
| 0.45 | 126.0 | 0.0054 | 0.1927 |
| 0.45 | 138.0 | 0.3287 | 0.2601 |
| 0.45 | 210.0 | -0.3866 | 0.3302 |
| 0.45 | 222.0 | -0.0809 | 0.2451 |
| 0.45 | 258.0 | 0.2224 | 0.213 |
| 0.45 | 270.0 | -0.0003 | 0.154 |
| 0.45 | 282.0 | 0.0041 | 0.1603 |
| 0.45 | 294.0 | 0.0512 | 0.2034 |
| 0.55 | 42.0 | -0.0576 | 0.2768 |
| 0.55 | 54.0 | -0.1166 | 0.2692 |
| 0.55 | 66.0 | -0.1271 | 0.2128 |
| 0.55 | 78.0 | 0.1628 | 0.2164 |
| 0.55 | 90.0 | 0.1454 | 0.2125 |
| 0.55 | 102.0 | 0.1003 | 0.178 |
| 0.55 | 114.0 | 0.0027 | 0.1579 |
| 0.55 | 126.0 | -0.2156 | 0.1604 |
| 0.55 | 138.0 | -0.033 | 0.1949 |
| 0.55 | 150.0 | -0.5128 | 0.2322 |
| 0.55 | 174.0 | 0.0059 | 0.2793 |
| 0.55 | 186.0 | 0.0074 | 0.2558 |
| 0.55 | 198.0 | 0.0962 | 0.2384 |
| 0.55 | 210.0 | 0.1649 | 0.2176 |
| 0.55 | 222.0 | -0.193 | 0.1743 |
| 0.55 | 234.0 | 0.206 | 0.2331 |
| 0.55 | 246.0 | -0.1029 | 0.204 |
| 0.55 | 258.0 | -0.0853 | 0.2012 |
| 0.55 | 270.0 | 0.0122 | 0.163 |
| 0.55 | 282.0 | 0.1658 | 0.2014 |
| 0.65 | 42.0 | 0.0173 | 0.2628 |
| 0.65 | 54.0 | 0.4805 | 0.1541 |
| 0.65 | 66.0 | -0.2538 | 0.2111 |
| 0.65 | 78.0 | -0.1688 | 0.1988 |
| 0.65 | 90.0 | 0.1266 | 0.2151 |
| 0.65 | 102.0 | -0.0448 | 0.1477 |
| 0.65 | 114.0 | 0.036 | 0.1428 |
| 0.65 | 126.0 | -0.0642 | 0.1594 |
| 0.65 | 138.0 | 0.1005 | 0.1672 |
| 0.65 | 150.0 | -0.0957 | 0.2477 |
| 0.65 | 162.0 | 0.0461 | 0.2673 |
| 0.65 | 174.0 | -0.3863 | 0.2568 |
| 0.65 | 186.0 | 0.1778 | 0.2265 |
| 0.65 | 198.0 | -0.1185 | 0.1721 |
| 0.65 | 210.0 | 0.1534 | 0.1529 |
| 0.65 | 222.0 | -0.0672 | 0.1524 |
| 0.65 | 234.0 | 0.2206 | 0.1722 |
| 0.65 | 246.0 | 0.1917 | 0.1954 |
| 0.65 | 258.0 | -0.0206 | 0.1678 |
| 0.65 | 270.0 | -0.0567 | 0.2238 |
| 0.65 | 282.0 | 0.1718 | 0.1685 |
| 0.65 | 294.0 | 0.0168 | 0.1585 |
| 0.65 | 306.0 | 0.0778 | 0.2106 |
| 0.75 | 66.0 | 0.2753 | 0.2406 |
| 0.75 | 78.0 | 0.1322 | 0.1811 |
| 0.75 | 90.0 | -0.0537 | 0.1694 |
| 0.75 | 102.0 | -0.2018 | 0.1712 |
| 0.75 | 114.0 | 0.0562 | 0.1531 |
| 0.75 | 126.0 | -0.0087 | 0.1431 |
| 0.75 | 138.0 | 0.2141 | 0.1753 |
| 0.75 | 150.0 | -0.0668 | 0.1965 |
| 0.75 | 186.0 | -0.584 | 0.1654 |
| 0.75 | 198.0 | 0.0383 | 0.1662 |
| 0.75 | 210.0 | -0.0177 | 0.1684 |
| 0.75 | 222.0 | 0.1788 | 0.134 |
| 0.75 | 234.0 | 0.099 | 0.1379 |
| 0.75 | 246.0 | 0.043 | 0.1609 |
| 0.75 | 258.0 | 0.6081 | 0.1786 |
| 0.75 | 270.0 | -0.2351 | 0.1552 |
| 0.75 | 282.0 | -0.1422 | 0.1354 |
| 0.75 | 294.0 | -0.2364 | 0.1444 |
| 0.85 | 78.0 | -0.14 | 0.1753 |
| 0.85 | 90.0 | 0.0139 | 0.1331 |
| 0.85 | 102.0 | 0.0826 | 0.1372 |
| 0.85 | 114.0 | 0.313 | 0.1583 |
| 0.85 | 126.0 | 0.4202 | 0.2089 |
| 0.85 | 138.0 | -0.0472 | 0.2444 |
| 0.85 | 150.0 | 0.0181 | 0.2288 |
| 0.85 | 162.0 | 0.162 | 0.251 |
| 0.85 | 174.0 | 0.0507 | 0.2152 |
| 0.85 | 186.0 | 0.0133 | 0.1584 |
| 0.85 | 198.0 | 0.0376 | 0.153 |
| 0.85 | 210.0 | 0.0111 | 0.1264 |
| 0.85 | 222.0 | 0.0056 | 0.1265 |
| 0.85 | 234.0 | -0.0808 | 0.148 |
| 0.85 | 246.0 | -0.085 | 0.1551 |
| 0.85 | 258.0 | 0.0241 | 0.1798 |
| 0.85 | 270.0 | -0.1811 | 0.1876 |
| 0.85 | 282.0 | -0.037 | 0.1875 |
| 0.85 | 294.0 | 0.242 | 0.2363 |
| 0.95 | 90.0 | 0.2015 | 0.2178 |
| 0.95 | 102.0 | 0.2841 | 0.1918 |
| 0.95 | 114.0 | 0.1829 | 0.1994 |
| 0.95 | 126.0 | 0.1673 | 0.2677 |
| 0.95 | 162.0 | -0.3735 | 0.2445 |
| 0.95 | 174.0 | 0.2242 | 0.2355 |
| 0.95 | 186.0 | -0.3047 | 0.254 |
| 0.95 | 198.0 | -0.0227 | 0.185 |
| 0.95 | 210.0 | -0.0742 | 0.1649 |
| 0.95 | 222.0 | -0.2526 | 0.1482 |
| 0.95 | 234.0 | -0.1593 | 0.1471 |
| 0.95 | 246.0 | -0.2381 | 0.1423 |
| 0.95 | 258.0 | 0.1202 | 0.1968 |
Experiment comment: