Measurement E151M3470
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3016 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9499 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.15 | 30.0 | 0.1481 | 0.2601 |
| -0.05 | 54.0 | 0.0201 | 0.2846 |
| 0.05 | 54.0 | 0.0817 | 0.2385 |
| 0.05 | 66.0 | -0.1521 | 0.2086 |
| 0.05 | 294.0 | 0.004 | 0.2602 |
| 0.05 | 306.0 | 0.0637 | 0.2255 |
| 0.15 | 54.0 | -0.0281 | 0.151 |
| 0.15 | 66.0 | -0.0161 | 0.1822 |
| 0.15 | 78.0 | -0.2968 | 0.2336 |
| 0.15 | 282.0 | 0.4693 | 0.2461 |
| 0.15 | 294.0 | 0.0647 | 0.1562 |
| 0.15 | 306.0 | -0.4613 | 0.1449 |
| 0.25 | 54.0 | 0.2078 | 0.1651 |
| 0.25 | 66.0 | -0.0833 | 0.1392 |
| 0.25 | 78.0 | -0.1205 | 0.1613 |
| 0.25 | 282.0 | -0.339 | 0.157 |
| 0.25 | 294.0 | 0.1173 | 0.1362 |
| 0.25 | 306.0 | -0.0587 | 0.1661 |
| 0.35 | 54.0 | 0.1157 | 0.2061 |
| 0.35 | 66.0 | -0.037 | 0.136 |
| 0.35 | 78.0 | -0.28 | 0.1396 |
| 0.35 | 90.0 | -0.0481 | 0.2383 |
| 0.35 | 270.0 | 0.1583 | 0.1959 |
| 0.35 | 282.0 | 0.0798 | 0.1413 |
| 0.35 | 294.0 | 0.0831 | 0.1471 |
| 0.35 | 306.0 | -0.3698 | 0.1904 |
| 0.45 | 54.0 | -0.3216 | 0.1723 |
| 0.45 | 66.0 | -0.0131 | 0.1578 |
| 0.45 | 78.0 | -0.0849 | 0.1754 |
| 0.45 | 90.0 | -0.1093 | 0.2171 |
| 0.45 | 102.0 | 0.4552 | 0.1646 |
| 0.45 | 270.0 | 0.1097 | 0.1604 |
| 0.45 | 282.0 | 0.0509 | 0.1376 |
| 0.45 | 294.0 | -0.0478 | 0.1284 |
| 0.45 | 306.0 | 0.1601 | 0.2077 |
| 0.55 | 54.0 | -0.0547 | 0.1704 |
| 0.55 | 66.0 | 0.0754 | 0.1936 |
| 0.55 | 78.0 | -0.0233 | 0.1607 |
| 0.55 | 90.0 | -0.1328 | 0.1552 |
| 0.55 | 102.0 | 0.1933 | 0.1291 |
| 0.55 | 114.0 | 0.1203 | 0.1379 |
| 0.55 | 126.0 | -0.2003 | 0.2586 |
| 0.55 | 246.0 | -0.2447 | 0.2654 |
| 0.55 | 258.0 | -0.2343 | 0.1977 |
| 0.55 | 270.0 | -0.2505 | 0.1513 |
| 0.55 | 282.0 | -0.2774 | 0.13 |
| 0.55 | 294.0 | 0.2015 | 0.1692 |
| 0.55 | 306.0 | -0.0772 | 0.1364 |
| 0.65 | 54.0 | -0.2643 | 0.2075 |
| 0.65 | 66.0 | 0.4945 | 0.2081 |
| 0.65 | 78.0 | 0.0459 | 0.1455 |
| 0.65 | 90.0 | -0.0284 | 0.1086 |
| 0.65 | 102.0 | 0.0362 | 0.1034 |
| 0.65 | 114.0 | 0.0181 | 0.1018 |
| 0.65 | 126.0 | 0.0061 | 0.1411 |
| 0.65 | 138.0 | 0.1631 | 0.1985 |
| 0.65 | 222.0 | -0.2157 | 0.2101 |
| 0.65 | 234.0 | -0.2773 | 0.1528 |
| 0.65 | 246.0 | -0.2066 | 0.1353 |
| 0.65 | 258.0 | -0.0786 | 0.1286 |
| 0.65 | 270.0 | -0.05 | 0.1426 |
| 0.65 | 282.0 | -0.1226 | 0.1639 |
| 0.65 | 294.0 | -0.5666 | 0.1876 |
| 0.65 | 306.0 | -0.0986 | 0.174 |
| 0.75 | 66.0 | -0.1408 | 0.1679 |
| 0.75 | 78.0 | -0.1874 | 0.1585 |
| 0.75 | 90.0 | -0.0039 | 0.1019 |
| 0.75 | 102.0 | 0.1238 | 0.0916 |
| 0.75 | 114.0 | -0.1001 | 0.1068 |
| 0.75 | 126.0 | 0.0579 | 0.1198 |
| 0.75 | 138.0 | -0.1482 | 0.1481 |
| 0.75 | 150.0 | -0.2581 | 0.2072 |
| 0.75 | 186.0 | -0.0605 | 0.2489 |
| 0.75 | 198.0 | 0.4293 | 0.2076 |
| 0.75 | 210.0 | -0.0748 | 0.1582 |
| 0.75 | 222.0 | -0.0373 | 0.1404 |
| 0.75 | 234.0 | 0.1582 | 0.1182 |
| 0.75 | 246.0 | 0.0728 | 0.105 |
| 0.75 | 258.0 | 0.0565 | 0.114 |
| 0.75 | 270.0 | 0.3079 | 0.1291 |
| 0.75 | 282.0 | 0.2861 | 0.166 |
| 0.75 | 294.0 | 0.0463 | 0.1861 |
| 0.85 | 66.0 | 0.0758 | 0.1145 |
| 0.85 | 78.0 | -0.1314 | 0.1406 |
| 0.85 | 90.0 | 0.0233 | 0.1494 |
| 0.85 | 102.0 | 0.0603 | 0.0992 |
| 0.85 | 114.0 | -0.0345 | 0.1115 |
| 0.85 | 126.0 | -0.2158 | 0.1155 |
| 0.85 | 138.0 | 0.1852 | 0.1484 |
| 0.85 | 150.0 | 0.1565 | 0.1805 |
| 0.85 | 162.0 | -0.0008 | 0.2524 |
| 0.85 | 174.0 | 0.002 | 0.2395 |
| 0.85 | 186.0 | -0.2033 | 0.2057 |
| 0.85 | 198.0 | -0.4336 | 0.1636 |
| 0.85 | 210.0 | -0.1181 | 0.151 |
| 0.85 | 222.0 | 0.1556 | 0.1183 |
| 0.85 | 234.0 | 0.04 | 0.1131 |
| 0.85 | 246.0 | -0.1663 | 0.0975 |
| 0.85 | 258.0 | -0.0716 | 0.0988 |
| 0.85 | 270.0 | 0.0074 | 0.1047 |
| 0.85 | 282.0 | 0.1066 | 0.1226 |
| 0.85 | 294.0 | -0.0361 | 0.1392 |
| 0.95 | 66.0 | 0.1404 | 0.1656 |
| 0.95 | 78.0 | -0.3765 | 0.1413 |
| 0.95 | 90.0 | -0.1172 | 0.2235 |
| 0.95 | 102.0 | 0.0176 | 0.2118 |
| 0.95 | 114.0 | 0.131 | 0.1717 |
| 0.95 | 126.0 | -0.0056 | 0.1814 |
| 0.95 | 138.0 | -0.1474 | 0.2098 |
| 0.95 | 150.0 | 0.359 | 0.2406 |
| 0.95 | 162.0 | 0.2858 | 0.2283 |
| 0.95 | 174.0 | -0.2649 | 0.2293 |
| 0.95 | 186.0 | -0.1147 | 0.2847 |
| 0.95 | 198.0 | -0.1017 | 0.1789 |
| 0.95 | 210.0 | 0.0063 | 0.1666 |
| 0.95 | 222.0 | 0.1059 | 0.1508 |
| 0.95 | 234.0 | -0.0558 | 0.1287 |
| 0.95 | 246.0 | -0.041 | 0.124 |
| 0.95 | 258.0 | -0.0964 | 0.1308 |
| 0.95 | 270.0 | -0.1692 | 0.1058 |
| 0.95 | 282.0 | 0.2538 | 0.1021 |
| 0.95 | 294.0 | -0.0821 | 0.1131 |
| 0.95 | 306.0 | 0.1593 | 0.1866 |
Experiment comment: