Measurement E151M3504
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1563 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9383 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | 0.1716 | 0.2782 |
| 0.05 | 66.0 | -0.217 | 0.2109 |
| 0.15 | 30.0 | -0.4433 | 0.253 |
| 0.15 | 54.0 | 0.1264 | 0.2187 |
| 0.15 | 66.0 | -0.0302 | 0.1918 |
| 0.15 | 78.0 | 0.232 | 0.2355 |
| 0.15 | 294.0 | 0.0519 | 0.2631 |
| 0.25 | 54.0 | -0.1446 | 0.1795 |
| 0.25 | 66.0 | -0.2849 | 0.1453 |
| 0.25 | 78.0 | 0.0967 | 0.1823 |
| 0.25 | 270.0 | 0.4385 | 0.2249 |
| 0.25 | 282.0 | -0.1583 | 0.1822 |
| 0.25 | 294.0 | -0.0131 | 0.176 |
| 0.25 | 306.0 | -0.304 | 0.2467 |
| 0.35 | 54.0 | 0.0012 | 0.2243 |
| 0.35 | 66.0 | -0.1316 | 0.1436 |
| 0.35 | 78.0 | 0.104 | 0.18 |
| 0.35 | 90.0 | 0.3679 | 0.2573 |
| 0.35 | 102.0 | -0.1705 | 0.2708 |
| 0.35 | 270.0 | -0.0338 | 0.1645 |
| 0.35 | 282.0 | 0.0254 | 0.1383 |
| 0.35 | 294.0 | 0.2285 | 0.1464 |
| 0.35 | 306.0 | -0.5459 | 0.1816 |
| 0.45 | 66.0 | -0.1618 | 0.1539 |
| 0.45 | 78.0 | 0.0223 | 0.1733 |
| 0.45 | 90.0 | 0.3526 | 0.1763 |
| 0.45 | 102.0 | -0.0317 | 0.1892 |
| 0.45 | 114.0 | 0.1488 | 0.1584 |
| 0.45 | 258.0 | -0.0336 | 0.2015 |
| 0.45 | 270.0 | 0.022 | 0.1325 |
| 0.45 | 282.0 | 0.3658 | 0.1226 |
| 0.45 | 294.0 | 0.1968 | 0.1469 |
| 0.55 | 54.0 | 0.5358 | 0.193 |
| 0.55 | 66.0 | 0.0865 | 0.1926 |
| 0.55 | 78.0 | -0.2032 | 0.1795 |
| 0.55 | 90.0 | -0.0684 | 0.1645 |
| 0.55 | 102.0 | 0.032 | 0.137 |
| 0.55 | 114.0 | -0.0451 | 0.1472 |
| 0.55 | 126.0 | -0.0948 | 0.1493 |
| 0.55 | 138.0 | 0.1974 | 0.1705 |
| 0.55 | 210.0 | -0.1968 | 0.2563 |
| 0.55 | 222.0 | -0.1759 | 0.2178 |
| 0.55 | 234.0 | 0.179 | 0.1866 |
| 0.55 | 246.0 | -0.1 | 0.1907 |
| 0.55 | 258.0 | 0.0803 | 0.1466 |
| 0.55 | 270.0 | 0.0071 | 0.1386 |
| 0.55 | 282.0 | -0.0989 | 0.1292 |
| 0.55 | 294.0 | -0.3592 | 0.1943 |
| 0.55 | 306.0 | 0.2867 | 0.1733 |
| 0.65 | 54.0 | -0.1686 | 0.2209 |
| 0.65 | 66.0 | 0.5195 | 0.1829 |
| 0.65 | 78.0 | 0.4062 | 0.1948 |
| 0.65 | 90.0 | 0.0959 | 0.1629 |
| 0.65 | 102.0 | -0.034 | 0.1177 |
| 0.65 | 114.0 | 0.0517 | 0.1283 |
| 0.65 | 126.0 | -0.0452 | 0.1302 |
| 0.65 | 138.0 | -0.0121 | 0.1426 |
| 0.65 | 150.0 | 0.3665 | 0.1677 |
| 0.65 | 162.0 | 0.1911 | 0.2439 |
| 0.65 | 174.0 | 0.1528 | 0.2521 |
| 0.65 | 186.0 | 0.5469 | 0.1763 |
| 0.65 | 198.0 | 0.0802 | 0.1663 |
| 0.65 | 210.0 | 0.2306 | 0.1646 |
| 0.65 | 222.0 | -0.003 | 0.146 |
| 0.65 | 234.0 | -0.0091 | 0.1364 |
| 0.65 | 246.0 | -0.103 | 0.1455 |
| 0.65 | 258.0 | -0.1578 | 0.1544 |
| 0.65 | 270.0 | 0.1536 | 0.1413 |
| 0.65 | 282.0 | 0.4094 | 0.2103 |
| 0.65 | 294.0 | 0.1257 | 0.1447 |
| 0.65 | 306.0 | -0.0684 | 0.1528 |
| 0.75 | 66.0 | -0.0556 | 0.2357 |
| 0.75 | 78.0 | 0.1093 | 0.1848 |
| 0.75 | 90.0 | 0.3316 | 0.1947 |
| 0.75 | 102.0 | 0.1843 | 0.1142 |
| 0.75 | 114.0 | 0.1873 | 0.1094 |
| 0.75 | 126.0 | 0.0048 | 0.1249 |
| 0.75 | 138.0 | -0.0517 | 0.1677 |
| 0.75 | 150.0 | 0.0895 | 0.2148 |
| 0.75 | 162.0 | 0.4882 | 0.202 |
| 0.75 | 174.0 | -0.0822 | 0.22 |
| 0.75 | 186.0 | -0.2118 | 0.1795 |
| 0.75 | 198.0 | 0.2111 | 0.1638 |
| 0.75 | 210.0 | 0.0617 | 0.1278 |
| 0.75 | 222.0 | 0.2364 | 0.1184 |
| 0.75 | 234.0 | 0.2847 | 0.116 |
| 0.75 | 246.0 | 0.0972 | 0.1314 |
| 0.75 | 258.0 | -0.0545 | 0.15 |
| 0.75 | 270.0 | -0.0912 | 0.1883 |
| 0.75 | 282.0 | -0.0077 | 0.1451 |
| 0.75 | 294.0 | -0.2073 | 0.1294 |
| 0.75 | 306.0 | -0.4572 | 0.2261 |
| 0.85 | 66.0 | -0.266 | 0.2636 |
| 0.85 | 78.0 | 0.1328 | 0.1245 |
| 0.85 | 90.0 | -0.016 | 0.1194 |
| 0.85 | 102.0 | -0.0047 | 0.1791 |
| 0.85 | 114.0 | -0.3513 | 0.1449 |
| 0.85 | 126.0 | -0.0203 | 0.1274 |
| 0.85 | 138.0 | -0.3222 | 0.1698 |
| 0.85 | 150.0 | 0.2139 | 0.1933 |
| 0.85 | 162.0 | -0.0334 | 0.2503 |
| 0.85 | 174.0 | -0.0734 | 0.2046 |
| 0.85 | 186.0 | -0.2312 | 0.182 |
| 0.85 | 198.0 | -0.1296 | 0.1521 |
| 0.85 | 210.0 | -0.2054 | 0.1249 |
| 0.85 | 222.0 | 0.0936 | 0.1095 |
| 0.85 | 234.0 | -0.2242 | 0.1153 |
| 0.85 | 246.0 | -0.0021 | 0.1152 |
| 0.85 | 258.0 | 0.054 | 0.1367 |
| 0.85 | 270.0 | -0.0919 | 0.1534 |
| 0.85 | 282.0 | -0.2786 | 0.1863 |
| 0.85 | 294.0 | -0.3994 | 0.2571 |
| 0.95 | 78.0 | -0.0528 | 0.2155 |
| 0.95 | 90.0 | 0.2613 | 0.1764 |
| 0.95 | 102.0 | -0.0371 | 0.1557 |
| 0.95 | 114.0 | -0.1096 | 0.2247 |
| 0.95 | 126.0 | 0.1003 | 0.2772 |
| 0.95 | 162.0 | 0.3057 | 0.2508 |
| 0.95 | 174.0 | 0.1575 | 0.212 |
| 0.95 | 186.0 | -0.1461 | 0.1895 |
| 0.95 | 198.0 | -0.0245 | 0.1744 |
| 0.95 | 210.0 | 0.0036 | 0.1692 |
| 0.95 | 222.0 | 0.1442 | 0.1449 |
| 0.95 | 234.0 | -0.1501 | 0.1307 |
| 0.95 | 246.0 | 0.1178 | 0.1273 |
| 0.95 | 258.0 | 0.0454 | 0.1256 |
| 0.95 | 270.0 | 0.0913 | 0.1293 |
| 0.95 | 282.0 | -0.4273 | 0.1709 |
Experiment comment: