Measurement E151M3531
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1422 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.919 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 18.0 | 0.5215 | 0.2273 |
| 0.25 | 54.0 | -0.0618 | 0.2681 |
| 0.25 | 66.0 | 0.0582 | 0.1921 |
| 0.25 | 78.0 | 0.1666 | 0.244 |
| 0.25 | 270.0 | 0.0565 | 0.2723 |
| 0.25 | 282.0 | -0.3055 | 0.2106 |
| 0.25 | 294.0 | 0.3494 | 0.2417 |
| 0.35 | 66.0 | 0.092 | 0.1941 |
| 0.35 | 78.0 | 0.1152 | 0.2056 |
| 0.35 | 102.0 | -0.106 | 0.2615 |
| 0.35 | 270.0 | 0.1161 | 0.1905 |
| 0.35 | 282.0 | 0.1794 | 0.1835 |
| 0.35 | 294.0 | -0.0845 | 0.1976 |
| 0.45 | 54.0 | -0.1849 | 0.2775 |
| 0.45 | 66.0 | 0.2578 | 0.2066 |
| 0.45 | 78.0 | 0.414 | 0.1923 |
| 0.45 | 90.0 | 0.1131 | 0.2388 |
| 0.45 | 102.0 | -0.1271 | 0.209 |
| 0.45 | 114.0 | 0.1065 | 0.1758 |
| 0.45 | 126.0 | 0.0248 | 0.2397 |
| 0.45 | 258.0 | -0.1776 | 0.2557 |
| 0.45 | 270.0 | -0.2018 | 0.1665 |
| 0.45 | 282.0 | 0.2165 | 0.1536 |
| 0.45 | 294.0 | -0.074 | 0.166 |
| 0.55 | 54.0 | -0.0269 | 0.2546 |
| 0.55 | 66.0 | -0.1237 | 0.2202 |
| 0.55 | 78.0 | -0.4423 | 0.2338 |
| 0.55 | 90.0 | -0.0962 | 0.233 |
| 0.55 | 102.0 | 0.0077 | 0.1746 |
| 0.55 | 114.0 | 0.0211 | 0.1524 |
| 0.55 | 126.0 | -0.0751 | 0.1616 |
| 0.55 | 138.0 | -0.3375 | 0.1995 |
| 0.55 | 198.0 | 0.2544 | 0.2383 |
| 0.55 | 210.0 | -0.3257 | 0.2139 |
| 0.55 | 222.0 | 0.0793 | 0.2094 |
| 0.55 | 234.0 | -0.4512 | 0.1925 |
| 0.55 | 246.0 | 0.1936 | 0.2077 |
| 0.55 | 258.0 | -0.0869 | 0.1896 |
| 0.55 | 270.0 | 0.16 | 0.1641 |
| 0.55 | 282.0 | 0.2383 | 0.1536 |
| 0.55 | 306.0 | -0.0962 | 0.2048 |
| 0.65 | 54.0 | 0.0208 | 0.2026 |
| 0.65 | 66.0 | 0.0705 | 0.2339 |
| 0.65 | 78.0 | -0.0518 | 0.2459 |
| 0.65 | 90.0 | 0.0399 | 0.1735 |
| 0.65 | 102.0 | 0.0417 | 0.1268 |
| 0.65 | 114.0 | -0.0858 | 0.1233 |
| 0.65 | 126.0 | -0.0616 | 0.1493 |
| 0.65 | 138.0 | -0.0678 | 0.1628 |
| 0.65 | 150.0 | 0.1145 | 0.2215 |
| 0.65 | 186.0 | -0.1714 | 0.2019 |
| 0.65 | 198.0 | -0.0056 | 0.2023 |
| 0.65 | 210.0 | 0.0711 | 0.1772 |
| 0.65 | 222.0 | -0.0702 | 0.1419 |
| 0.65 | 234.0 | -0.0809 | 0.1476 |
| 0.65 | 246.0 | -0.2426 | 0.1818 |
| 0.65 | 258.0 | -0.1983 | 0.1868 |
| 0.65 | 270.0 | -0.3803 | 0.1831 |
| 0.65 | 282.0 | 0.2004 | 0.2047 |
| 0.65 | 294.0 | 0.1993 | 0.1499 |
| 0.65 | 306.0 | 0.0675 | 0.1747 |
| 0.75 | 66.0 | -0.0514 | 0.2302 |
| 0.75 | 78.0 | 0.0917 | 0.1861 |
| 0.75 | 90.0 | 0.077 | 0.1777 |
| 0.75 | 102.0 | -0.0338 | 0.1465 |
| 0.75 | 114.0 | -0.1825 | 0.1227 |
| 0.75 | 126.0 | -0.2099 | 0.1299 |
| 0.75 | 138.0 | 0.0923 | 0.1908 |
| 0.75 | 150.0 | 0.2295 | 0.1842 |
| 0.75 | 162.0 | -0.0102 | 0.2679 |
| 0.75 | 174.0 | -0.1206 | 0.2158 |
| 0.75 | 186.0 | -0.0176 | 0.2039 |
| 0.75 | 198.0 | -0.1923 | 0.1571 |
| 0.75 | 210.0 | 0.0714 | 0.1383 |
| 0.75 | 222.0 | -0.1059 | 0.1262 |
| 0.75 | 234.0 | -0.1962 | 0.1287 |
| 0.75 | 246.0 | 0.1046 | 0.14 |
| 0.75 | 258.0 | -0.0421 | 0.1764 |
| 0.75 | 270.0 | 0.3186 | 0.2102 |
| 0.75 | 282.0 | -0.2274 | 0.1416 |
| 0.75 | 294.0 | 0.0242 | 0.1441 |
| 0.75 | 306.0 | -0.1715 | 0.2291 |
| 0.85 | 78.0 | -0.1831 | 0.126 |
| 0.85 | 90.0 | 0.0696 | 0.1168 |
| 0.85 | 102.0 | 0.087 | 0.1467 |
| 0.85 | 114.0 | 0.183 | 0.1839 |
| 0.85 | 126.0 | 0.0123 | 0.1775 |
| 0.85 | 138.0 | 0.2901 | 0.1664 |
| 0.85 | 150.0 | -0.2147 | 0.1965 |
| 0.85 | 162.0 | 0.192 | 0.2533 |
| 0.85 | 174.0 | -0.0397 | 0.2344 |
| 0.85 | 186.0 | -0.0565 | 0.1967 |
| 0.85 | 198.0 | -0.116 | 0.1431 |
| 0.85 | 210.0 | 0.0731 | 0.1352 |
| 0.85 | 222.0 | -0.0563 | 0.1213 |
| 0.85 | 234.0 | -0.053 | 0.1127 |
| 0.85 | 246.0 | 0.0081 | 0.1247 |
| 0.85 | 258.0 | -0.0807 | 0.1295 |
| 0.85 | 270.0 | 0.0477 | 0.1638 |
| 0.85 | 282.0 | 0.2291 | 0.1937 |
| 0.95 | 78.0 | 0.1236 | 0.1879 |
| 0.95 | 90.0 | -0.0056 | 0.1685 |
| 0.95 | 102.0 | -0.0879 | 0.1846 |
| 0.95 | 114.0 | 0.3331 | 0.2093 |
| 0.95 | 126.0 | 0.1231 | 0.245 |
| 0.95 | 150.0 | -0.1374 | 0.2567 |
| 0.95 | 162.0 | 0.3184 | 0.2042 |
| 0.95 | 174.0 | 0.026 | 0.2339 |
| 0.95 | 186.0 | -0.3326 | 0.2245 |
| 0.95 | 198.0 | -0.2251 | 0.1916 |
| 0.95 | 210.0 | -0.0268 | 0.1558 |
| 0.95 | 222.0 | 0.0218 | 0.1587 |
| 0.95 | 234.0 | 0.322 | 0.1327 |
| 0.95 | 246.0 | -0.1633 | 0.1366 |
| 0.95 | 258.0 | -0.0057 | 0.1294 |
| 0.95 | 270.0 | 0.0119 | 0.1408 |
| 0.95 | 282.0 | -0.2041 | 0.186 |
Experiment comment: