Measurement E151M3247
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1201 | |
| Q2: | 0.0496 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9437 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.1033 | 0.1784 |
| 0.35 | 66.0 | 0.244 | 0.1487 |
| 0.35 | 78.0 | -0.1188 | 0.1374 |
| 0.35 | 282.0 | -0.0029 | 0.1382 |
| 0.35 | 294.0 | -0.0063 | 0.1401 |
| 0.45 | 66.0 | 0.1556 | 0.1372 |
| 0.45 | 78.0 | -0.078 | 0.1247 |
| 0.45 | 90.0 | -0.2117 | 0.1522 |
| 0.45 | 270.0 | 0.141 | 0.162 |
| 0.45 | 282.0 | 0.1938 | 0.1369 |
| 0.45 | 294.0 | 0.1256 | 0.1372 |
| 0.55 | 66.0 | 0.0147 | 0.1685 |
| 0.55 | 78.0 | -0.1182 | 0.134 |
| 0.55 | 90.0 | -0.3095 | 0.1625 |
| 0.55 | 114.0 | 0.2301 | 0.1614 |
| 0.55 | 126.0 | 0.2562 | 0.2175 |
| 0.55 | 246.0 | -0.1628 | 0.232 |
| 0.55 | 270.0 | 0.1495 | 0.1583 |
| 0.55 | 282.0 | -0.0784 | 0.134 |
| 0.55 | 294.0 | 0.0176 | 0.1538 |
| 0.65 | 66.0 | 0.1051 | 0.1557 |
| 0.65 | 78.0 | 0.135 | 0.1624 |
| 0.65 | 102.0 | -0.3453 | 0.2216 |
| 0.65 | 114.0 | 0.0084 | 0.1299 |
| 0.65 | 126.0 | -0.1377 | 0.1332 |
| 0.65 | 138.0 | 0.1145 | 0.1612 |
| 0.65 | 150.0 | -0.3266 | 0.2526 |
| 0.65 | 222.0 | -0.2152 | 0.1468 |
| 0.65 | 234.0 | -0.3018 | 0.1362 |
| 0.65 | 246.0 | -0.0277 | 0.1421 |
| 0.65 | 258.0 | -0.0347 | 0.1768 |
| 0.65 | 270.0 | 0.1593 | 0.1699 |
| 0.75 | 102.0 | 0.0167 | 0.2451 |
| 0.75 | 114.0 | -0.1755 | 0.195 |
| 0.75 | 126.0 | -0.2261 | 0.1849 |
| 0.75 | 138.0 | 0.123 | 0.1724 |
| 0.75 | 210.0 | -0.008 | 0.2399 |
| 0.75 | 222.0 | 0.1983 | 0.1947 |
| 0.75 | 234.0 | 0.1149 | 0.1816 |
| 0.75 | 246.0 | -0.2585 | 0.1784 |
| 0.75 | 258.0 | 0.288 | 0.2469 |
| 0.85 | 114.0 | -0.0053 | 0.22 |
| 0.85 | 126.0 | 0.1008 | 0.2098 |
| 0.85 | 138.0 | -0.4199 | 0.2041 |
| 0.85 | 210.0 | 0.2761 | 0.3093 |
| 0.85 | 222.0 | -0.1225 | 0.2017 |
| 0.85 | 234.0 | 0.158 | 0.1731 |
| 0.85 | 246.0 | -0.0736 | 0.1752 |
| 0.85 | 258.0 | 0.0165 | 0.1864 |
| 0.95 | 234.0 | -0.3137 | 0.2513 |
| 0.95 | 246.0 | -0.0234 | 0.2443 |
| 0.65 | 306.0 | 0.085 | 0.2548 |
| 0.75 | 78.0 | 0.0007 | 0.2226 |
| 0.75 | 102.0 | -0.184 | 0.2505 |
| 0.75 | 114.0 | 0.0843 | 0.1684 |
| 0.75 | 126.0 | 0.0965 | 0.1696 |
| 0.75 | 138.0 | 0.6233 | 0.1772 |
| 0.75 | 150.0 | 0.0928 | 0.1979 |
| 0.75 | 210.0 | -0.2804 | 0.2328 |
| 0.75 | 222.0 | -0.1702 | 0.1919 |
| 0.75 | 234.0 | -0.0622 | 0.1643 |
| 0.75 | 246.0 | -0.3324 | 0.1641 |
| 0.75 | 258.0 | 0.4591 | 0.1865 |
| 0.85 | 90.0 | -0.131 | 0.2536 |
| 0.85 | 114.0 | -0.0581 | 0.2178 |
| 0.85 | 126.0 | 0.0385 | 0.208 |
| 0.85 | 138.0 | -0.0468 | 0.2111 |
| 0.85 | 222.0 | 0.335 | 0.1791 |
| 0.85 | 234.0 | -0.3092 | 0.1487 |
| 0.85 | 246.0 | -0.3185 | 0.1846 |
| 0.85 | 258.0 | -0.4146 | 0.1669 |
| 0.95 | 222.0 | 0.4206 | 0.2295 |
| 0.95 | 234.0 | -0.029 | 0.2213 |
| 0.95 | 246.0 | 0.3632 | 0.2114 |
Experiment comment: