Measurement E151M3544
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1465 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.905 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | 0.3336 | 0.2385 |
| 0.25 | 66.0 | -0.1119 | 0.2625 |
| 0.25 | 78.0 | 0.0298 | 0.2697 |
| 0.25 | 270.0 | 0.4514 | 0.2309 |
| 0.25 | 282.0 | -0.1489 | 0.2425 |
| 0.25 | 294.0 | -0.0305 | 0.2684 |
| 0.35 | 66.0 | 0.2566 | 0.1996 |
| 0.35 | 114.0 | 0.2807 | 0.2612 |
| 0.35 | 258.0 | 0.0773 | 0.262 |
| 0.35 | 270.0 | 0.5947 | 0.1495 |
| 0.35 | 282.0 | 0.1661 | 0.2134 |
| 0.35 | 294.0 | 0.0908 | 0.2523 |
| 0.45 | 66.0 | 0.2816 | 0.2375 |
| 0.45 | 78.0 | -0.0148 | 0.2802 |
| 0.45 | 90.0 | 0.3013 | 0.2557 |
| 0.45 | 102.0 | -0.4092 | 0.1917 |
| 0.45 | 114.0 | -0.0373 | 0.1845 |
| 0.45 | 126.0 | 0.6129 | 0.2102 |
| 0.45 | 258.0 | 0.0187 | 0.23 |
| 0.45 | 270.0 | 0.2141 | 0.1988 |
| 0.45 | 282.0 | 0.192 | 0.1988 |
| 0.45 | 294.0 | -0.075 | 0.262 |
| 0.55 | 42.0 | -0.0639 | 0.2774 |
| 0.55 | 54.0 | -0.1658 | 0.2346 |
| 0.55 | 66.0 | -0.3741 | 0.226 |
| 0.55 | 90.0 | 0.1093 | 0.2163 |
| 0.55 | 102.0 | -0.1925 | 0.1691 |
| 0.55 | 114.0 | -0.1381 | 0.1803 |
| 0.55 | 126.0 | 0.3032 | 0.2365 |
| 0.55 | 138.0 | -0.4731 | 0.2121 |
| 0.55 | 210.0 | 0.2039 | 0.2558 |
| 0.55 | 222.0 | 0.1971 | 0.26 |
| 0.55 | 234.0 | -0.2016 | 0.2568 |
| 0.55 | 246.0 | -0.0511 | 0.2543 |
| 0.55 | 258.0 | -0.187 | 0.2257 |
| 0.55 | 270.0 | -0.048 | 0.1767 |
| 0.55 | 282.0 | -0.0059 | 0.1951 |
| 0.55 | 294.0 | -0.3775 | 0.2185 |
| 0.55 | 306.0 | -0.2169 | 0.2436 |
| 0.65 | 54.0 | 0.2868 | 0.2429 |
| 0.65 | 90.0 | 0.0623 | 0.1905 |
| 0.65 | 102.0 | -0.0258 | 0.1453 |
| 0.65 | 114.0 | 0.0382 | 0.1442 |
| 0.65 | 126.0 | 0.2948 | 0.1596 |
| 0.65 | 138.0 | 0.0454 | 0.2089 |
| 0.65 | 150.0 | 0.1123 | 0.2426 |
| 0.65 | 174.0 | 0.1186 | 0.2588 |
| 0.65 | 186.0 | -0.1695 | 0.2582 |
| 0.65 | 198.0 | 0.3332 | 0.2147 |
| 0.65 | 210.0 | 0.0678 | 0.1962 |
| 0.65 | 222.0 | 0.1595 | 0.1727 |
| 0.65 | 234.0 | -0.0236 | 0.221 |
| 0.65 | 246.0 | -0.159 | 0.2045 |
| 0.65 | 258.0 | 0.0074 | 0.2428 |
| 0.65 | 270.0 | 0.0094 | 0.2349 |
| 0.65 | 282.0 | 0.0525 | 0.2078 |
| 0.65 | 294.0 | -0.2271 | 0.1694 |
| 0.65 | 306.0 | 0.3257 | 0.2165 |
| 0.75 | 66.0 | -0.2775 | 0.2536 |
| 0.75 | 78.0 | 0.3083 | 0.1744 |
| 0.75 | 90.0 | -0.1605 | 0.2033 |
| 0.75 | 102.0 | 0.1183 | 0.1708 |
| 0.75 | 114.0 | -0.0846 | 0.1438 |
| 0.75 | 126.0 | 0.2551 | 0.1603 |
| 0.75 | 138.0 | -0.0585 | 0.2126 |
| 0.75 | 150.0 | 0.0079 | 0.261 |
| 0.75 | 174.0 | -0.1877 | 0.2703 |
| 0.75 | 186.0 | -0.1212 | 0.1742 |
| 0.75 | 198.0 | -0.0349 | 0.1795 |
| 0.75 | 210.0 | 0.1698 | 0.1713 |
| 0.75 | 222.0 | -0.0118 | 0.151 |
| 0.75 | 234.0 | -0.0397 | 0.1566 |
| 0.75 | 246.0 | -0.0482 | 0.1848 |
| 0.75 | 258.0 | -0.153 | 0.2025 |
| 0.75 | 270.0 | -0.4225 | 0.2518 |
| 0.75 | 282.0 | -0.3151 | 0.1629 |
| 0.75 | 294.0 | -0.1681 | 0.1615 |
| 0.75 | 306.0 | 0.6854 | 0.2194 |
| 0.85 | 66.0 | 0.3504 | 0.1972 |
| 0.85 | 78.0 | 0.097 | 0.1358 |
| 0.85 | 90.0 | -0.0187 | 0.1557 |
| 0.85 | 102.0 | 0.2926 | 0.1917 |
| 0.85 | 114.0 | -0.0925 | 0.2392 |
| 0.85 | 126.0 | 0.0184 | 0.1777 |
| 0.85 | 138.0 | 0.1197 | 0.1963 |
| 0.85 | 174.0 | 0.0145 | 0.2516 |
| 0.85 | 186.0 | 0.1699 | 0.2087 |
| 0.85 | 198.0 | 0.1831 | 0.1786 |
| 0.85 | 210.0 | -0.1193 | 0.1432 |
| 0.85 | 222.0 | 0.0427 | 0.1408 |
| 0.85 | 234.0 | -0.078 | 0.1344 |
| 0.85 | 246.0 | 0.0567 | 0.1447 |
| 0.85 | 258.0 | -0.028 | 0.1627 |
| 0.85 | 270.0 | -0.1008 | 0.2271 |
| 0.95 | 78.0 | 0.2858 | 0.2139 |
| 0.95 | 90.0 | -0.0283 | 0.1888 |
| 0.95 | 102.0 | 0.2991 | 0.2224 |
| 0.95 | 114.0 | 0.3436 | 0.2144 |
| 0.95 | 174.0 | -0.1779 | 0.2704 |
| 0.95 | 186.0 | -0.0151 | 0.2267 |
| 0.95 | 198.0 | -0.0369 | 0.2078 |
| 0.95 | 210.0 | -0.1477 | 0.1748 |
| 0.95 | 222.0 | 0.2752 | 0.1763 |
| 0.95 | 234.0 | -0.0949 | 0.1838 |
| 0.95 | 246.0 | 0.1272 | 0.147 |
| 0.95 | 258.0 | 0.0659 | 0.1511 |
| 0.95 | 270.0 | -0.0038 | 0.1443 |
| 0.95 | 282.0 | 0.0791 | 0.2081 |
Experiment comment: