Measurement E151M3446
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3488 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9632 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -0.5229 | 0.1752 |
| 0.05 | 66.0 | -0.113 | 0.2513 |
| 0.05 | 306.0 | 0.0916 | 0.2142 |
| 0.15 | 54.0 | 0.3459 | 0.1711 |
| 0.15 | 66.0 | 0.0583 | 0.2117 |
| 0.15 | 294.0 | -0.1558 | 0.1706 |
| 0.15 | 306.0 | 0.0041 | 0.1909 |
| 0.25 | 54.0 | 0.2142 | 0.1947 |
| 0.25 | 66.0 | 0.0761 | 0.1505 |
| 0.25 | 78.0 | 0.0727 | 0.1725 |
| 0.25 | 282.0 | 0.2169 | 0.2251 |
| 0.25 | 294.0 | -0.0289 | 0.1541 |
| 0.25 | 306.0 | 0.2453 | 0.1605 |
| 0.35 | 54.0 | 0.1851 | 0.231 |
| 0.35 | 66.0 | 0.0163 | 0.1296 |
| 0.35 | 78.0 | -0.2174 | 0.159 |
| 0.35 | 282.0 | -0.0467 | 0.1507 |
| 0.35 | 294.0 | 0.2162 | 0.1382 |
| 0.35 | 306.0 | -0.1856 | 0.2192 |
| 0.45 | 54.0 | 0.362 | 0.177 |
| 0.45 | 66.0 | 0.0722 | 0.1497 |
| 0.45 | 78.0 | 0.2077 | 0.1728 |
| 0.45 | 270.0 | -0.0271 | 0.2327 |
| 0.45 | 282.0 | 0.1971 | 0.1443 |
| 0.45 | 294.0 | -0.0959 | 0.1437 |
| 0.45 | 306.0 | -0.1996 | 0.2011 |
| 0.55 | 54.0 | 0.3098 | 0.1769 |
| 0.55 | 66.0 | -0.3557 | 0.1802 |
| 0.55 | 78.0 | 0.0926 | 0.1766 |
| 0.55 | 90.0 | -0.0131 | 0.1811 |
| 0.55 | 102.0 | 0.0221 | 0.1706 |
| 0.55 | 114.0 | -0.2146 | 0.2248 |
| 0.55 | 258.0 | 0.0771 | 0.2145 |
| 0.55 | 270.0 | -0.1508 | 0.1864 |
| 0.55 | 282.0 | -0.0638 | 0.1528 |
| 0.55 | 294.0 | -0.2522 | 0.188 |
| 0.55 | 306.0 | 0.0186 | 0.1857 |
| 0.65 | 54.0 | 0.2418 | 0.2177 |
| 0.65 | 66.0 | -0.3686 | 0.2135 |
| 0.65 | 78.0 | 0.0839 | 0.1452 |
| 0.65 | 90.0 | 0.1106 | 0.1235 |
| 0.65 | 102.0 | -0.0472 | 0.1295 |
| 0.65 | 114.0 | -0.1526 | 0.1267 |
| 0.65 | 126.0 | -0.0991 | 0.2099 |
| 0.65 | 234.0 | -0.0258 | 0.2117 |
| 0.65 | 246.0 | 0.1763 | 0.162 |
| 0.65 | 258.0 | 0.2771 | 0.1441 |
| 0.65 | 270.0 | -0.0137 | 0.1397 |
| 0.65 | 282.0 | 0.0053 | 0.1564 |
| 0.65 | 294.0 | 0.0064 | 0.2648 |
| 0.65 | 306.0 | 0.3755 | 0.2115 |
| 0.75 | 66.0 | 0.1811 | 0.2023 |
| 0.75 | 78.0 | -0.2639 | 0.1579 |
| 0.75 | 90.0 | 0.0154 | 0.1016 |
| 0.75 | 102.0 | 0.1986 | 0.0965 |
| 0.75 | 114.0 | -0.0938 | 0.1113 |
| 0.75 | 126.0 | 0.2383 | 0.1348 |
| 0.75 | 138.0 | -0.0925 | 0.1561 |
| 0.75 | 210.0 | 0.3862 | 0.1977 |
| 0.75 | 222.0 | 0.2316 | 0.1789 |
| 0.75 | 234.0 | 0.0421 | 0.1435 |
| 0.75 | 246.0 | -0.115 | 0.1144 |
| 0.75 | 258.0 | 0.0725 | 0.1129 |
| 0.75 | 270.0 | -0.0693 | 0.1217 |
| 0.75 | 282.0 | -0.0215 | 0.1429 |
| 0.75 | 294.0 | -0.5292 | 0.1851 |
| 0.85 | 66.0 | 0.0907 | 0.1598 |
| 0.85 | 78.0 | -0.0807 | 0.1925 |
| 0.85 | 90.0 | -0.0084 | 0.1092 |
| 0.85 | 102.0 | -0.0049 | 0.0985 |
| 0.85 | 114.0 | -0.0327 | 0.1098 |
| 0.85 | 126.0 | -0.0816 | 0.1113 |
| 0.85 | 138.0 | -0.0418 | 0.1341 |
| 0.85 | 150.0 | 0.0967 | 0.1888 |
| 0.85 | 162.0 | -0.3075 | 0.2424 |
| 0.85 | 186.0 | -0.1664 | 0.2438 |
| 0.85 | 198.0 | -0.1822 | 0.1811 |
| 0.85 | 210.0 | 0.0585 | 0.1515 |
| 0.85 | 222.0 | 0.1169 | 0.1415 |
| 0.85 | 234.0 | -0.1856 | 0.1155 |
| 0.85 | 246.0 | -0.131 | 0.1113 |
| 0.85 | 258.0 | -0.0456 | 0.1072 |
| 0.85 | 270.0 | -0.054 | 0.1032 |
| 0.85 | 282.0 | -0.1 | 0.1019 |
| 0.85 | 294.0 | 0.062 | 0.1567 |
| 0.85 | 306.0 | 0.1459 | 0.2769 |
| 0.95 | 66.0 | 0.0818 | 0.1911 |
| 0.95 | 78.0 | -0.4157 | 0.1956 |
| 0.95 | 90.0 | 0.1887 | 0.2368 |
| 0.95 | 102.0 | 0.1206 | 0.1518 |
| 0.95 | 114.0 | 0.0998 | 0.148 |
| 0.95 | 126.0 | 0.001 | 0.1563 |
| 0.95 | 138.0 | 0.223 | 0.1787 |
| 0.95 | 150.0 | -0.0034 | 0.19 |
| 0.95 | 162.0 | -0.0754 | 0.275 |
| 0.95 | 174.0 | -0.1855 | 0.2672 |
| 0.95 | 186.0 | -0.3457 | 0.2243 |
| 0.95 | 198.0 | -0.0056 | 0.1983 |
| 0.95 | 210.0 | -0.0785 | 0.1633 |
| 0.95 | 222.0 | 0.0038 | 0.144 |
| 0.95 | 234.0 | 0.1562 | 0.1356 |
| 0.95 | 246.0 | 0.1327 | 0.1271 |
| 0.95 | 258.0 | -0.1093 | 0.1312 |
| 0.95 | 270.0 | 0.1236 | 0.1164 |
| 0.95 | 282.0 | -0.076 | 0.1284 |
| 0.95 | 294.0 | -0.138 | 0.129 |
| 0.95 | 306.0 | 0.1369 | 0.2451 |
Experiment comment: