Measurement E151M3458
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3449 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9552 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.15 | 30.0 | 0.363 | 0.2678 |
| 0.05 | 54.0 | 0.1979 | 0.2214 |
| 0.05 | 66.0 | 0.4667 | 0.1826 |
| 0.05 | 294.0 | 0.2778 | 0.2416 |
| 0.05 | 306.0 | -0.0532 | 0.1921 |
| 0.15 | 54.0 | 0.1211 | 0.1807 |
| 0.15 | 66.0 | 0.0082 | 0.1548 |
| 0.15 | 78.0 | 0.3174 | 0.2399 |
| 0.15 | 294.0 | 0.0421 | 0.1553 |
| 0.15 | 306.0 | -0.1774 | 0.1609 |
| 0.15 | 318.0 | 0.0356 | 0.2673 |
| 0.25 | 54.0 | 0.0509 | 0.2136 |
| 0.25 | 66.0 | -0.0672 | 0.1469 |
| 0.25 | 78.0 | -0.0652 | 0.1624 |
| 0.25 | 282.0 | -0.022 | 0.1829 |
| 0.25 | 294.0 | 0.0147 | 0.1437 |
| 0.25 | 306.0 | -0.0322 | 0.1452 |
| 0.35 | 54.0 | -0.0569 | 0.1762 |
| 0.35 | 66.0 | 0.0333 | 0.1323 |
| 0.35 | 78.0 | -0.2584 | 0.1725 |
| 0.35 | 90.0 | -0.3677 | 0.2133 |
| 0.35 | 282.0 | -0.0134 | 0.1385 |
| 0.35 | 294.0 | 0.245 | 0.1295 |
| 0.35 | 306.0 | -0.1355 | 0.1649 |
| 0.45 | 54.0 | 0.1897 | 0.2024 |
| 0.45 | 66.0 | -0.1741 | 0.1592 |
| 0.45 | 78.0 | 0.1768 | 0.1787 |
| 0.45 | 90.0 | 0.1687 | 0.1806 |
| 0.45 | 102.0 | -0.0841 | 0.2027 |
| 0.45 | 270.0 | 0.1183 | 0.1835 |
| 0.45 | 282.0 | 0.0211 | 0.1444 |
| 0.45 | 294.0 | -0.2187 | 0.1304 |
| 0.45 | 306.0 | 0.1746 | 0.2183 |
| 0.45 | 318.0 | 0.5335 | 0.2123 |
| 0.55 | 54.0 | -0.0058 | 0.1669 |
| 0.55 | 66.0 | 0.1471 | 0.1743 |
| 0.55 | 78.0 | -0.0307 | 0.1497 |
| 0.55 | 90.0 | 0.1353 | 0.1397 |
| 0.55 | 102.0 | 0.3751 | 0.1269 |
| 0.55 | 114.0 | -0.0342 | 0.1691 |
| 0.55 | 246.0 | -0.3499 | 0.2037 |
| 0.55 | 258.0 | -0.0384 | 0.1992 |
| 0.55 | 270.0 | 0.1549 | 0.1646 |
| 0.55 | 282.0 | 0.1938 | 0.1661 |
| 0.55 | 294.0 | 0.3117 | 0.1653 |
| 0.55 | 306.0 | 0.0501 | 0.1649 |
| 0.65 | 66.0 | -0.0621 | 0.23 |
| 0.65 | 78.0 | -0.1269 | 0.1305 |
| 0.65 | 90.0 | -0.0874 | 0.1187 |
| 0.65 | 102.0 | 0.1367 | 0.1094 |
| 0.65 | 114.0 | -0.0992 | 0.1115 |
| 0.65 | 126.0 | 0.1426 | 0.1651 |
| 0.65 | 222.0 | -0.0906 | 0.2579 |
| 0.65 | 234.0 | 0.0817 | 0.1645 |
| 0.65 | 246.0 | -0.0776 | 0.1439 |
| 0.65 | 258.0 | -0.1169 | 0.1335 |
| 0.65 | 270.0 | 0.0411 | 0.1403 |
| 0.65 | 282.0 | 0.0226 | 0.1485 |
| 0.65 | 306.0 | -0.0194 | 0.1749 |
| 0.75 | 66.0 | -0.0222 | 0.1638 |
| 0.75 | 78.0 | -0.2086 | 0.1488 |
| 0.75 | 90.0 | 0.0426 | 0.0946 |
| 0.75 | 102.0 | 0.0198 | 0.0892 |
| 0.75 | 114.0 | 0.0563 | 0.1058 |
| 0.75 | 126.0 | -0.0485 | 0.1296 |
| 0.75 | 138.0 | -0.2043 | 0.1568 |
| 0.75 | 150.0 | -0.1537 | 0.2209 |
| 0.75 | 198.0 | -0.2528 | 0.2662 |
| 0.75 | 210.0 | 0.1605 | 0.1726 |
| 0.75 | 222.0 | -0.3124 | 0.138 |
| 0.75 | 234.0 | 0.0055 | 0.1243 |
| 0.75 | 246.0 | -0.1083 | 0.1166 |
| 0.75 | 258.0 | -0.1784 | 0.1045 |
| 0.75 | 270.0 | -0.0073 | 0.1099 |
| 0.75 | 282.0 | 0.006 | 0.1554 |
| 0.75 | 294.0 | 0.3501 | 0.1724 |
| 0.85 | 54.0 | -0.0612 | 0.2748 |
| 0.85 | 66.0 | 0.1744 | 0.119 |
| 0.85 | 78.0 | -0.1175 | 0.1854 |
| 0.85 | 90.0 | 0.0377 | 0.1076 |
| 0.85 | 102.0 | 0.0975 | 0.0934 |
| 0.85 | 114.0 | 0.1226 | 0.1035 |
| 0.85 | 126.0 | -0.2238 | 0.1115 |
| 0.85 | 138.0 | -0.2387 | 0.1355 |
| 0.85 | 150.0 | 0.0275 | 0.1705 |
| 0.85 | 162.0 | 0.1833 | 0.2583 |
| 0.85 | 174.0 | -0.1534 | 0.2291 |
| 0.85 | 186.0 | 0.2996 | 0.2324 |
| 0.85 | 198.0 | -0.1917 | 0.1601 |
| 0.85 | 210.0 | 0.3415 | 0.1327 |
| 0.85 | 222.0 | 0.0689 | 0.1182 |
| 0.85 | 234.0 | 0.0197 | 0.1045 |
| 0.85 | 246.0 | -0.0089 | 0.1032 |
| 0.85 | 258.0 | 0.0224 | 0.0945 |
| 0.85 | 270.0 | -0.0147 | 0.1034 |
| 0.85 | 282.0 | -0.0741 | 0.1139 |
| 0.85 | 294.0 | 0.0773 | 0.116 |
| 0.85 | 306.0 | 0.1049 | 0.2266 |
| 0.95 | 54.0 | 0.6296 | 0.2159 |
| 0.95 | 66.0 | 0.0358 | 0.1527 |
| 0.95 | 78.0 | -0.1603 | 0.1635 |
| 0.95 | 90.0 | -0.2845 | 0.2522 |
| 0.95 | 102.0 | -0.0909 | 0.1505 |
| 0.95 | 114.0 | -0.0192 | 0.1487 |
| 0.95 | 126.0 | 0.1615 | 0.1562 |
| 0.95 | 138.0 | -0.072 | 0.166 |
| 0.95 | 150.0 | 0.105 | 0.1571 |
| 0.95 | 162.0 | 0.4772 | 0.1744 |
| 0.95 | 174.0 | -0.0086 | 0.2109 |
| 0.95 | 186.0 | -0.0956 | 0.1976 |
| 0.95 | 198.0 | 0.0956 | 0.1742 |
| 0.95 | 210.0 | -0.193 | 0.1641 |
| 0.95 | 222.0 | 0.1347 | 0.1469 |
| 0.95 | 234.0 | -0.2348 | 0.1229 |
| 0.95 | 246.0 | 0.3247 | 0.1192 |
| 0.95 | 258.0 | -0.0112 | 0.1227 |
| 0.95 | 270.0 | -0.2349 | 0.1133 |
| 0.95 | 282.0 | 0.2663 | 0.0997 |
| 0.95 | 294.0 | -0.0228 | 0.1045 |
| 0.95 | 306.0 | 0.2361 | 0.1689 |
| 0.95 | 318.0 | -0.322 | 0.2485 |
Experiment comment: