Measurement E151M3534
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2133 | |
| Q2: | 0.2445 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.902 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 282.0 | 0.0277 | 0.2666 |
| 0.35 | 102.0 | 0.351 | 0.2465 |
| 0.35 | 270.0 | -0.036 | 0.2722 |
| 0.35 | 282.0 | 0.0018 | 0.2378 |
| 0.35 | 294.0 | -0.1839 | 0.2387 |
| 0.45 | 102.0 | -0.2802 | 0.2649 |
| 0.45 | 114.0 | 0.2859 | 0.2432 |
| 0.45 | 270.0 | -0.3439 | 0.2349 |
| 0.45 | 282.0 | 0.2511 | 0.2183 |
| 0.55 | 90.0 | 0.177 | 0.223 |
| 0.55 | 102.0 | 0.0258 | 0.2098 |
| 0.55 | 114.0 | 0.1319 | 0.2047 |
| 0.55 | 126.0 | 0.1402 | 0.243 |
| 0.55 | 270.0 | 0.1256 | 0.2623 |
| 0.55 | 306.0 | 0.0837 | 0.2585 |
| 0.65 | 90.0 | -0.234 | 0.1805 |
| 0.65 | 102.0 | 0.3761 | 0.1588 |
| 0.65 | 114.0 | 0.1207 | 0.1903 |
| 0.65 | 126.0 | 0.0645 | 0.2055 |
| 0.65 | 138.0 | -0.1567 | 0.2528 |
| 0.65 | 198.0 | 0.1985 | 0.2418 |
| 0.65 | 234.0 | -0.025 | 0.237 |
| 0.65 | 246.0 | 0.2335 | 0.2437 |
| 0.65 | 270.0 | -0.0943 | 0.237 |
| 0.65 | 294.0 | 0.3894 | 0.1757 |
| 0.65 | 306.0 | 0.0189 | 0.1983 |
| 0.75 | 66.0 | -0.0492 | 0.233 |
| 0.75 | 78.0 | 0.3329 | 0.2076 |
| 0.75 | 90.0 | -0.0048 | 0.2613 |
| 0.75 | 102.0 | 0.2189 | 0.1659 |
| 0.75 | 114.0 | 0.1545 | 0.1547 |
| 0.75 | 126.0 | 0.314 | 0.2004 |
| 0.75 | 138.0 | -0.0027 | 0.2063 |
| 0.75 | 186.0 | -0.0408 | 0.2528 |
| 0.75 | 198.0 | 0.0042 | 0.2107 |
| 0.75 | 210.0 | 0.0902 | 0.1927 |
| 0.75 | 222.0 | -0.1792 | 0.1861 |
| 0.75 | 234.0 | 0.0803 | 0.1743 |
| 0.75 | 246.0 | -0.0167 | 0.1875 |
| 0.75 | 258.0 | -0.2907 | 0.2216 |
| 0.75 | 294.0 | -0.0913 | 0.2611 |
| 0.85 | 66.0 | -0.1602 | 0.1719 |
| 0.85 | 78.0 | 0.0838 | 0.1544 |
| 0.85 | 90.0 | -0.4137 | 0.1675 |
| 0.85 | 102.0 | 0.04 | 0.2259 |
| 0.85 | 114.0 | 0.0716 | 0.2147 |
| 0.85 | 126.0 | -0.002 | 0.2063 |
| 0.85 | 138.0 | -0.1567 | 0.2424 |
| 0.85 | 174.0 | 0.0244 | 0.2816 |
| 0.85 | 186.0 | 0.1084 | 0.1999 |
| 0.85 | 198.0 | -0.0965 | 0.2155 |
| 0.85 | 210.0 | -0.1521 | 0.1773 |
| 0.85 | 222.0 | -0.1242 | 0.1676 |
| 0.85 | 234.0 | -0.2531 | 0.1514 |
| 0.85 | 246.0 | 0.0379 | 0.1429 |
| 0.85 | 258.0 | -0.1819 | 0.1671 |
| 0.85 | 270.0 | 0.0514 | 0.2176 |
| 0.85 | 282.0 | 0.1381 | 0.2285 |
| 0.95 | 66.0 | 0.4158 | 0.2084 |
| 0.95 | 78.0 | 0.0853 | 0.2319 |
| 0.95 | 90.0 | -0.165 | 0.195 |
| 0.95 | 102.0 | 0.5287 | 0.2394 |
| 0.95 | 174.0 | -0.2903 | 0.2572 |
| 0.95 | 186.0 | -0.049 | 0.2685 |
| 0.95 | 198.0 | -0.3681 | 0.2522 |
| 0.95 | 210.0 | -0.0837 | 0.2008 |
| 0.95 | 222.0 | -0.1017 | 0.193 |
| 0.95 | 234.0 | -0.1368 | 0.1824 |
| 0.95 | 246.0 | -0.2182 | 0.1611 |
| 0.95 | 258.0 | -0.3479 | 0.146 |
| 0.95 | 270.0 | 0.0041 | 0.1717 |
| 0.95 | 282.0 | 0.1778 | 0.1575 |
| 0.95 | 294.0 | -0.0224 | 0.1708 |
| 0.95 | 306.0 | 0.1168 | 0.2093 |
Experiment comment: