Measurement E151M3261
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1033 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9349 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.0762 | 0.2168 |
| 0.25 | 78.0 | 0.0324 | 0.185 |
| 0.35 | 66.0 | -0.117 | 0.1651 |
| 0.35 | 78.0 | 0.3341 | 0.1638 |
| 0.35 | 270.0 | 0.2163 | 0.2546 |
| 0.35 | 282.0 | -0.103 | 0.1774 |
| 0.35 | 294.0 | -0.2503 | 0.1893 |
| 0.45 | 66.0 | -0.067 | 0.1915 |
| 0.45 | 78.0 | 0.0781 | 0.1842 |
| 0.45 | 90.0 | 0.3816 | 0.198 |
| 0.45 | 270.0 | 0.2937 | 0.1684 |
| 0.45 | 282.0 | -0.0278 | 0.1512 |
| 0.45 | 294.0 | 0.0483 | 0.1704 |
| 0.55 | 66.0 | 0.2368 | 0.1953 |
| 0.55 | 78.0 | 0.2919 | 0.1599 |
| 0.55 | 90.0 | -0.1449 | 0.2112 |
| 0.55 | 102.0 | 0.1225 | 0.2356 |
| 0.55 | 114.0 | 0.2161 | 0.1926 |
| 0.55 | 126.0 | -0.0167 | 0.1902 |
| 0.55 | 138.0 | 0.135 | 0.253 |
| 0.55 | 246.0 | 0.11 | 0.2381 |
| 0.55 | 270.0 | -0.155 | 0.1854 |
| 0.55 | 282.0 | -0.005 | 0.1469 |
| 0.55 | 294.0 | 0.0105 | 0.1955 |
| 0.65 | 66.0 | 0.4943 | 0.1949 |
| 0.65 | 78.0 | 0.3217 | 0.2154 |
| 0.65 | 102.0 | 0.1263 | 0.2371 |
| 0.65 | 114.0 | 0.3429 | 0.1571 |
| 0.65 | 126.0 | -0.0717 | 0.1616 |
| 0.65 | 138.0 | 0.0975 | 0.1994 |
| 0.65 | 150.0 | 0.5097 | 0.2225 |
| 0.65 | 210.0 | 0.3072 | 0.1952 |
| 0.65 | 222.0 | 0.1121 | 0.1745 |
| 0.65 | 234.0 | 0.1305 | 0.1556 |
| 0.65 | 246.0 | 0.0439 | 0.1856 |
| 0.65 | 258.0 | 0.1501 | 0.2089 |
| 0.65 | 270.0 | 0.287 | 0.1644 |
| 0.65 | 294.0 | -0.0183 | 0.2632 |
| 0.75 | 66.0 | -0.5473 | 0.2006 |
| 0.75 | 102.0 | 0.1151 | 0.197 |
| 0.75 | 114.0 | -0.062 | 0.1577 |
| 0.75 | 126.0 | 0.222 | 0.162 |
| 0.75 | 138.0 | 0.0446 | 0.1614 |
| 0.75 | 150.0 | 0.2393 | 0.2142 |
| 0.75 | 210.0 | -0.0147 | 0.2031 |
| 0.75 | 222.0 | 0.071 | 0.1707 |
| 0.75 | 234.0 | 0.0878 | 0.1652 |
| 0.75 | 246.0 | 0.1702 | 0.1676 |
| 0.75 | 258.0 | 0.0441 | 0.2154 |
| 0.75 | 282.0 | 0.0982 | 0.1943 |
| 0.75 | 294.0 | -0.6339 | 0.1789 |
| 0.85 | 102.0 | 0.1279 | 0.2428 |
| 0.85 | 114.0 | 0.5678 | 0.1875 |
| 0.85 | 126.0 | 0.0467 | 0.213 |
| 0.85 | 138.0 | -0.0881 | 0.2196 |
| 0.85 | 150.0 | 0.3212 | 0.2406 |
| 0.85 | 210.0 | 0.1662 | 0.2037 |
| 0.85 | 222.0 | -0.1281 | 0.1889 |
| 0.85 | 234.0 | -0.2567 | 0.1654 |
| 0.85 | 246.0 | 0.049 | 0.198 |
| 0.85 | 258.0 | -0.116 | 0.203 |
| 0.85 | 270.0 | 0.0194 | 0.2684 |
| 0.95 | 222.0 | 0.1875 | 0.2018 |
| 0.95 | 234.0 | 0.5501 | 0.2118 |
| 0.95 | 246.0 | 0.0394 | 0.2418 |
| 0.95 | 258.0 | 0.12 | 0.2529 |
| 0.25 | 294.0 | -0.145 | 0.2384 |
| 0.35 | 66.0 | -0.276 | 0.1978 |
| 0.35 | 78.0 | 0.0964 | 0.2155 |
| 0.35 | 282.0 | 0.3538 | 0.1829 |
| 0.35 | 294.0 | -0.2641 | 0.2107 |
| 0.45 | 66.0 | -0.4024 | 0.1733 |
| 0.45 | 78.0 | 0.1489 | 0.1764 |
| 0.45 | 90.0 | -0.008 | 0.2077 |
| 0.45 | 270.0 | -0.1501 | 0.191 |
| 0.45 | 282.0 | -0.0878 | 0.2022 |
| 0.45 | 294.0 | 0.2396 | 0.1803 |
| 0.55 | 66.0 | 0.0394 | 0.2437 |
| 0.55 | 78.0 | -0.4559 | 0.1696 |
| 0.55 | 90.0 | -0.0264 | 0.2419 |
| 0.55 | 102.0 | 0.153 | 0.2527 |
| 0.55 | 114.0 | 0.1141 | 0.2253 |
| 0.55 | 126.0 | -0.0365 | 0.2154 |
| 0.55 | 222.0 | 0.0593 | 0.268 |
| 0.55 | 234.0 | 0.0153 | 0.2619 |
| 0.55 | 258.0 | -0.3447 | 0.2177 |
| 0.55 | 270.0 | -0.0406 | 0.1933 |
| 0.55 | 282.0 | 0.0522 | 0.1838 |
| 0.55 | 294.0 | 0.0245 | 0.1759 |
| 0.65 | 66.0 | -0.1808 | 0.2109 |
| 0.65 | 78.0 | -0.1961 | 0.2215 |
| 0.65 | 102.0 | 0.0592 | 0.2097 |
| 0.65 | 114.0 | 0.258 | 0.1909 |
| 0.65 | 126.0 | -0.2054 | 0.1747 |
| 0.65 | 138.0 | 0.2063 | 0.1924 |
| 0.65 | 210.0 | -0.2005 | 0.2313 |
| 0.65 | 222.0 | -0.0209 | 0.1954 |
| 0.65 | 234.0 | -0.0319 | 0.1829 |
| 0.65 | 246.0 | -0.0719 | 0.1879 |
| 0.65 | 270.0 | -0.0115 | 0.2683 |
| 0.65 | 294.0 | -0.1804 | 0.2146 |
| 0.75 | 102.0 | -0.2126 | 0.2354 |
| 0.75 | 114.0 | 0.0256 | 0.1637 |
| 0.75 | 126.0 | -0.018 | 0.1815 |
| 0.75 | 138.0 | -0.0243 | 0.1904 |
| 0.75 | 150.0 | -0.1713 | 0.2071 |
| 0.75 | 210.0 | 0.0065 | 0.205 |
| 0.75 | 222.0 | -0.285 | 0.1975 |
| 0.75 | 234.0 | -0.3228 | 0.1767 |
| 0.75 | 246.0 | -0.0592 | 0.1803 |
| 0.75 | 258.0 | -0.3736 | 0.2425 |
| 0.75 | 294.0 | 0.0011 | 0.2136 |
| 0.85 | 102.0 | -0.5369 | 0.2237 |
| 0.85 | 114.0 | 0.0362 | 0.2616 |
| 0.85 | 126.0 | 0.294 | 0.2248 |
| 0.85 | 222.0 | 0.0112 | 0.2114 |
| 0.85 | 234.0 | -0.3529 | 0.1697 |
| 0.85 | 246.0 | -0.3014 | 0.1801 |
| 0.85 | 258.0 | -0.2591 | 0.2157 |
| 0.85 | 270.0 | -0.2367 | 0.2413 |
| 0.95 | 222.0 | -0.0604 | 0.2427 |
| 0.95 | 234.0 | 0.0835 | 0.2363 |
| 0.95 | 246.0 | 0.2247 | 0.2515 |
Experiment comment: