Measurement E151M3267
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2526 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9123 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.1252 | 0.2623 |
| 0.35 | 282.0 | -0.0659 | 0.2523 |
| 0.35 | 294.0 | 0.3766 | 0.2183 |
| 0.45 | 66.0 | 0.0288 | 0.2105 |
| 0.45 | 78.0 | 0.2481 | 0.2476 |
| 0.45 | 282.0 | 0.3405 | 0.2505 |
| 0.55 | 90.0 | -0.7369 | 0.1899 |
| 0.65 | 102.0 | -0.0636 | 0.2253 |
| 0.65 | 114.0 | -0.2695 | 0.1959 |
| 0.65 | 246.0 | 0.0084 | 0.2437 |
| 0.75 | 90.0 | -0.0666 | 0.2594 |
| 0.75 | 102.0 | 0.3567 | 0.1858 |
| 0.75 | 114.0 | -0.1246 | 0.1925 |
| 0.75 | 126.0 | 0.1509 | 0.2023 |
| 0.75 | 138.0 | 0.0517 | 0.2447 |
| 0.75 | 222.0 | -0.0416 | 0.2258 |
| 0.75 | 234.0 | 0.3668 | 0.1968 |
| 0.75 | 246.0 | 0.151 | 0.2376 |
| 0.75 | 258.0 | -0.0707 | 0.2305 |
| 0.75 | 270.0 | -0.1597 | 0.2582 |
| 0.85 | 78.0 | -0.1239 | 0.2403 |
| 0.85 | 90.0 | 0.2309 | 0.2565 |
| 0.85 | 114.0 | 0.1181 | 0.1865 |
| 0.85 | 126.0 | 0.0742 | 0.2364 |
| 0.85 | 222.0 | 0.0655 | 0.2539 |
| 0.85 | 234.0 | -0.4242 | 0.2153 |
| 0.85 | 246.0 | -0.1328 | 0.2098 |
| 0.85 | 258.0 | -0.0369 | 0.224 |
| 0.85 | 270.0 | 0.4317 | 0.2241 |
| 0.95 | 246.0 | -0.0523 | 0.2271 |
| 0.95 | 258.0 | 0.0989 | 0.2467 |
| 0.95 | 282.0 | 0.0045 | 0.2315 |
| 0.15 | 294.0 | 0.2884 | 0.2348 |
| 0.25 | 66.0 | 0.3188 | 0.2378 |
| 0.35 | 66.0 | -0.4892 | 0.2116 |
| 0.35 | 78.0 | -0.2734 | 0.2512 |
| 0.35 | 282.0 | -0.2593 | 0.2485 |
| 0.35 | 294.0 | 0.0533 | 0.2138 |
| 0.45 | 282.0 | 0.1581 | 0.2197 |
| 0.55 | 114.0 | -0.0795 | 0.2595 |
| 0.55 | 282.0 | 0.0616 | 0.2438 |
| 0.65 | 102.0 | -0.1343 | 0.1834 |
| 0.65 | 114.0 | 0.1831 | 0.2101 |
| 0.65 | 126.0 | 0.1142 | 0.2303 |
| 0.65 | 234.0 | -0.1092 | 0.2455 |
| 0.65 | 246.0 | 0.0443 | 0.2086 |
| 0.75 | 90.0 | 0.3798 | 0.2256 |
| 0.75 | 102.0 | 0.4044 | 0.1653 |
| 0.75 | 114.0 | 0.0609 | 0.2077 |
| 0.75 | 126.0 | -0.1699 | 0.2112 |
| 0.75 | 210.0 | 0.0325 | 0.2611 |
| 0.75 | 222.0 | -0.3167 | 0.2375 |
| 0.75 | 234.0 | -0.1206 | 0.2084 |
| 0.75 | 246.0 | 0.1501 | 0.211 |
| 0.75 | 258.0 | -0.0601 | 0.2269 |
| 0.75 | 270.0 | -0.0091 | 0.2652 |
| 0.85 | 78.0 | 0.0014 | 0.2549 |
| 0.85 | 102.0 | -0.0617 | 0.2237 |
| 0.85 | 114.0 | -0.2612 | 0.2102 |
| 0.85 | 126.0 | 0.3145 | 0.2217 |
| 0.85 | 138.0 | -0.01 | 0.2623 |
| 0.85 | 210.0 | 0.1819 | 0.2544 |
| 0.85 | 222.0 | -0.3508 | 0.2533 |
| 0.85 | 234.0 | 0.1079 | 0.1826 |
| 0.85 | 246.0 | 0.2839 | 0.1812 |
| 0.85 | 258.0 | -0.226 | 0.1665 |
| 0.85 | 270.0 | -0.3728 | 0.221 |
| 0.95 | 222.0 | -0.1465 | 0.2476 |
| 0.95 | 246.0 | 0.0403 | 0.2305 |
| 0.95 | 258.0 | -0.0765 | 0.2136 |
| 0.95 | 270.0 | -0.067 | 0.2061 |
| 0.95 | 282.0 | 0.0726 | 0.2596 |
Experiment comment: