Measurement E151M3009
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1379 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9219 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -0.4704 | 0.2085 |
| 0.15 | 66.0 | -0.0705 | 0.2659 |
| 0.25 | 42.0 | -0.0903 | 0.2848 |
| 0.25 | 54.0 | -0.4532 | 0.2097 |
| 0.25 | 66.0 | 0.213 | 0.1771 |
| 0.25 | 78.0 | -0.0099 | 0.1893 |
| 0.25 | 282.0 | 0.1994 | 0.2217 |
| 0.25 | 294.0 | 0.1195 | 0.2075 |
| 0.25 | 306.0 | 0.0583 | 0.2305 |
| 0.35 | 18.0 | 0.1836 | 0.2512 |
| 0.35 | 30.0 | -0.3072 | 0.2323 |
| 0.35 | 66.0 | 0.324 | 0.1246 |
| 0.35 | 78.0 | -0.2522 | 0.1443 |
| 0.35 | 90.0 | -0.1461 | 0.2124 |
| 0.35 | 270.0 | -0.2528 | 0.2162 |
| 0.35 | 282.0 | -0.1387 | 0.137 |
| 0.35 | 294.0 | -0.1579 | 0.1449 |
| 0.35 | 306.0 | 0.0526 | 0.2078 |
| 0.35 | 318.0 | -0.1948 | 0.237 |
| 0.35 | 342.0 | -0.2862 | 0.2741 |
| 0.45 | 66.0 | 0.1303 | 0.1483 |
| 0.45 | 78.0 | 0.0316 | 0.1306 |
| 0.45 | 90.0 | 0.243 | 0.1678 |
| 0.45 | 102.0 | -0.0469 | 0.2182 |
| 0.45 | 258.0 | 0.074 | 0.2769 |
| 0.45 | 270.0 | -0.0221 | 0.1691 |
| 0.45 | 282.0 | 0.171 | 0.1329 |
| 0.45 | 294.0 | 0.2144 | 0.1464 |
| 0.45 | 306.0 | -0.1134 | 0.2194 |
| 0.45 | 318.0 | -0.5308 | 0.2242 |
| 0.55 | 66.0 | 0.1696 | 0.1988 |
| 0.55 | 78.0 | -0.0397 | 0.139 |
| 0.55 | 90.0 | -0.0145 | 0.1519 |
| 0.55 | 102.0 | -0.0218 | 0.1863 |
| 0.55 | 114.0 | -0.1623 | 0.1843 |
| 0.55 | 126.0 | 0.083 | 0.2045 |
| 0.55 | 138.0 | 0.137 | 0.2378 |
| 0.55 | 222.0 | 0.0403 | 0.2591 |
| 0.55 | 234.0 | 0.0186 | 0.2257 |
| 0.55 | 246.0 | 0.1006 | 0.1806 |
| 0.55 | 258.0 | 0.0995 | 0.1766 |
| 0.55 | 270.0 | 0.112 | 0.1594 |
| 0.55 | 282.0 | -0.1555 | 0.1341 |
| 0.55 | 294.0 | 0.0585 | 0.1673 |
| 0.55 | 306.0 | 0.1121 | 0.2645 |
| 0.65 | 66.0 | 0.0564 | 0.1941 |
| 0.65 | 78.0 | -0.019 | 0.1798 |
| 0.65 | 90.0 | -0.0298 | 0.17 |
| 0.65 | 102.0 | 0.3111 | 0.1503 |
| 0.65 | 114.0 | -0.02 | 0.1592 |
| 0.65 | 126.0 | -0.0735 | 0.1571 |
| 0.65 | 138.0 | -0.3253 | 0.1526 |
| 0.65 | 150.0 | 0.3141 | 0.2506 |
| 0.65 | 210.0 | -0.417 | 0.207 |
| 0.65 | 222.0 | 0.1081 | 0.1665 |
| 0.65 | 234.0 | -0.0326 | 0.1484 |
| 0.65 | 246.0 | -0.3057 | 0.1469 |
| 0.65 | 258.0 | 0.1378 | 0.145 |
| 0.65 | 270.0 | -0.0159 | 0.1513 |
| 0.65 | 282.0 | 0.0426 | 0.1896 |
| 0.65 | 294.0 | -0.0309 | 0.2047 |
| 0.65 | 306.0 | 0.3131 | 0.2114 |
| 0.75 | 66.0 | -0.2348 | 0.2161 |
| 0.75 | 78.0 | 0.1001 | 0.1903 |
| 0.75 | 90.0 | 0.0667 | 0.2251 |
| 0.75 | 102.0 | -0.1979 | 0.1543 |
| 0.75 | 114.0 | 0.0276 | 0.1269 |
| 0.75 | 126.0 | -0.0802 | 0.1385 |
| 0.75 | 138.0 | 0.0234 | 0.1549 |
| 0.75 | 150.0 | 0.0329 | 0.1649 |
| 0.75 | 174.0 | 0.5986 | 0.2286 |
| 0.75 | 198.0 | 0.4222 | 0.2434 |
| 0.75 | 210.0 | -0.1473 | 0.1838 |
| 0.75 | 222.0 | -0.0992 | 0.1393 |
| 0.75 | 234.0 | 0.0624 | 0.1411 |
| 0.75 | 246.0 | -0.0357 | 0.1427 |
| 0.75 | 258.0 | -0.0191 | 0.1606 |
| 0.75 | 270.0 | -0.2162 | 0.208 |
| 0.75 | 282.0 | -0.4929 | 0.1922 |
| 0.75 | 294.0 | -0.0915 | 0.2475 |
| 0.85 | 90.0 | 0.5125 | 0.2267 |
| 0.85 | 102.0 | -0.1435 | 0.2245 |
| 0.85 | 114.0 | -0.4402 | 0.1631 |
| 0.85 | 126.0 | 0.0343 | 0.151 |
| 0.85 | 138.0 | 0.0341 | 0.1769 |
| 0.85 | 150.0 | -0.7204 | 0.1797 |
| 0.85 | 162.0 | -0.2342 | 0.2523 |
| 0.85 | 210.0 | -0.0583 | 0.18 |
| 0.85 | 222.0 | 0.2522 | 0.1471 |
| 0.85 | 234.0 | -0.1458 | 0.1419 |
| 0.85 | 246.0 | -0.1881 | 0.1256 |
| 0.85 | 258.0 | -0.0766 | 0.1392 |
| 0.85 | 270.0 | -0.0029 | 0.1888 |
| 0.95 | 114.0 | 0.1701 | 0.2471 |
| 0.95 | 126.0 | -0.0963 | 0.2641 |
| 0.95 | 210.0 | 0.0661 | 0.2085 |
| 0.95 | 222.0 | 0.1733 | 0.2058 |
| 0.95 | 234.0 | -0.3411 | 0.1946 |
| 0.95 | 246.0 | 0.1793 | 0.1823 |
| 0.95 | 258.0 | 0.0681 | 0.2539 |
Experiment comment: