Measurement E151M3067
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0469 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.873 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.1706 | 0.2716 |
| 0.25 | 78.0 | -0.2186 | 0.2809 |
| 0.25 | 294.0 | 0.159 | 0.2532 |
| 0.35 | 54.0 | 0.3444 | 0.227 |
| 0.35 | 66.0 | -0.2062 | 0.1934 |
| 0.35 | 78.0 | 0.169 | 0.2092 |
| 0.35 | 258.0 | 0.0601 | 0.2584 |
| 0.35 | 270.0 | 0.1424 | 0.1968 |
| 0.35 | 282.0 | -0.2658 | 0.1788 |
| 0.35 | 294.0 | 0.2014 | 0.2195 |
| 0.45 | 18.0 | -0.4281 | 0.2204 |
| 0.45 | 66.0 | 0.1898 | 0.2006 |
| 0.45 | 78.0 | -0.0314 | 0.1644 |
| 0.45 | 90.0 | 0.0276 | 0.2245 |
| 0.45 | 114.0 | -0.0404 | 0.228 |
| 0.45 | 222.0 | -0.07 | 0.2358 |
| 0.45 | 258.0 | 0.1967 | 0.2068 |
| 0.45 | 270.0 | -0.4335 | 0.1723 |
| 0.45 | 282.0 | -0.2245 | 0.1729 |
| 0.45 | 294.0 | 0.2641 | 0.2282 |
| 0.45 | 318.0 | 0.3088 | 0.2571 |
| 0.55 | 78.0 | -0.0946 | 0.2162 |
| 0.55 | 90.0 | 0.3172 | 0.1789 |
| 0.55 | 102.0 | -0.4071 | 0.1917 |
| 0.55 | 114.0 | 0.0695 | 0.2086 |
| 0.55 | 126.0 | 0.4097 | 0.2142 |
| 0.55 | 138.0 | -0.2752 | 0.2026 |
| 0.55 | 150.0 | -0.0203 | 0.2593 |
| 0.55 | 198.0 | 0.2257 | 0.2455 |
| 0.55 | 210.0 | -0.0276 | 0.228 |
| 0.55 | 222.0 | 0.1027 | 0.191 |
| 0.55 | 234.0 | -0.3036 | 0.2227 |
| 0.55 | 246.0 | 0.6593 | 0.2236 |
| 0.55 | 258.0 | -0.2976 | 0.1916 |
| 0.55 | 270.0 | 0.1757 | 0.1562 |
| 0.55 | 282.0 | 0.0575 | 0.1733 |
| 0.55 | 294.0 | 0.245 | 0.2555 |
| 0.65 | 66.0 | -0.4854 | 0.23 |
| 0.65 | 78.0 | -0.1632 | 0.2351 |
| 0.65 | 102.0 | 0.4455 | 0.2175 |
| 0.65 | 114.0 | 0.0465 | 0.2014 |
| 0.65 | 126.0 | -0.155 | 0.1721 |
| 0.65 | 138.0 | -0.2686 | 0.196 |
| 0.65 | 150.0 | -0.0892 | 0.2346 |
| 0.65 | 186.0 | -0.2466 | 0.2651 |
| 0.65 | 198.0 | -0.1194 | 0.2307 |
| 0.65 | 210.0 | -0.0542 | 0.1963 |
| 0.65 | 222.0 | -0.0226 | 0.177 |
| 0.65 | 234.0 | 0.2718 | 0.2062 |
| 0.65 | 246.0 | -0.2344 | 0.234 |
| 0.65 | 258.0 | -0.0911 | 0.2384 |
| 0.65 | 270.0 | 0.1199 | 0.2201 |
| 0.65 | 282.0 | -0.0667 | 0.1981 |
| 0.65 | 294.0 | 0.1997 | 0.2583 |
| 0.75 | 66.0 | 0.0059 | 0.1943 |
| 0.75 | 78.0 | 0.2858 | 0.1988 |
| 0.75 | 114.0 | 0.2225 | 0.2646 |
| 0.75 | 126.0 | 0.3507 | 0.1813 |
| 0.75 | 138.0 | 0.0031 | 0.2183 |
| 0.75 | 150.0 | 0.4523 | 0.2311 |
| 0.75 | 198.0 | -0.022 | 0.2558 |
| 0.75 | 210.0 | 0.1956 | 0.2235 |
| 0.75 | 222.0 | 0.0611 | 0.2023 |
| 0.75 | 234.0 | 0.1209 | 0.1945 |
| 0.75 | 246.0 | 0.1303 | 0.1863 |
| 0.75 | 270.0 | -0.1367 | 0.1981 |
| 0.75 | 282.0 | -0.0989 | 0.1742 |
| 0.75 | 294.0 | 0.1486 | 0.2258 |
| 0.85 | 102.0 | -0.0893 | 0.2065 |
| 0.85 | 114.0 | -0.1783 | 0.1699 |
| 0.85 | 126.0 | 0.0366 | 0.2225 |
| 0.85 | 138.0 | 0.3602 | 0.2515 |
| 0.85 | 198.0 | 0.255 | 0.1796 |
| 0.85 | 210.0 | -0.3043 | 0.1995 |
| 0.85 | 222.0 | -0.2368 | 0.1647 |
| 0.85 | 234.0 | 0.1199 | 0.1755 |
| 0.85 | 246.0 | -0.0188 | 0.2413 |
| 0.85 | 258.0 | -0.1459 | 0.301 |
| 0.85 | 270.0 | -0.0562 | 0.2469 |
| 0.95 | 210.0 | 0.2063 | 0.272 |
Experiment comment: