Measurement E151M3556
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1311 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.8948 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.3443 | 0.2683 |
| 0.25 | 78.0 | 0.1038 | 0.2375 |
| 0.25 | 282.0 | -0.0682 | 0.2536 |
| 0.25 | 294.0 | -0.2184 | 0.2428 |
| 0.35 | 66.0 | -0.0279 | 0.2263 |
| 0.35 | 78.0 | -0.4556 | 0.2176 |
| 0.35 | 114.0 | -0.04 | 0.2724 |
| 0.35 | 270.0 | 0.057 | 0.2472 |
| 0.35 | 282.0 | -0.071 | 0.2171 |
| 0.35 | 294.0 | 0.4392 | 0.2294 |
| 0.45 | 66.0 | 0.0706 | 0.2422 |
| 0.45 | 78.0 | 0.0559 | 0.2597 |
| 0.45 | 102.0 | -0.2759 | 0.211 |
| 0.45 | 114.0 | -0.0424 | 0.2057 |
| 0.45 | 126.0 | 0.2261 | 0.2081 |
| 0.45 | 138.0 | 0.0067 | 0.2647 |
| 0.45 | 234.0 | -0.1835 | 0.2696 |
| 0.45 | 258.0 | 0.0322 | 0.2318 |
| 0.45 | 270.0 | -0.0564 | 0.1762 |
| 0.45 | 282.0 | 0.0419 | 0.1721 |
| 0.45 | 294.0 | 0.0448 | 0.2337 |
| 0.55 | 54.0 | -0.0325 | 0.2428 |
| 0.55 | 90.0 | -0.0771 | 0.2254 |
| 0.55 | 102.0 | 0.0813 | 0.1778 |
| 0.55 | 114.0 | -0.1145 | 0.2039 |
| 0.55 | 126.0 | 0.3929 | 0.171 |
| 0.55 | 138.0 | 0.1045 | 0.2253 |
| 0.55 | 150.0 | -0.3566 | 0.2465 |
| 0.55 | 198.0 | -0.1246 | 0.2623 |
| 0.55 | 210.0 | 0.0077 | 0.2212 |
| 0.55 | 222.0 | 0.0939 | 0.2084 |
| 0.55 | 234.0 | 0.1664 | 0.2676 |
| 0.55 | 270.0 | -0.0031 | 0.1932 |
| 0.55 | 282.0 | 0.1007 | 0.2323 |
| 0.55 | 294.0 | 0.3791 | 0.2182 |
| 0.55 | 306.0 | -0.1402 | 0.2677 |
| 0.65 | 54.0 | 0.19 | 0.2296 |
| 0.65 | 78.0 | -0.4615 | 0.2361 |
| 0.65 | 90.0 | -0.0962 | 0.2188 |
| 0.65 | 102.0 | 0.0852 | 0.1647 |
| 0.65 | 114.0 | -0.1508 | 0.1504 |
| 0.65 | 126.0 | 0.0472 | 0.1696 |
| 0.65 | 138.0 | 0.2496 | 0.2417 |
| 0.65 | 150.0 | -0.0894 | 0.2611 |
| 0.65 | 198.0 | 0.2097 | 0.207 |
| 0.65 | 210.0 | -0.1141 | 0.196 |
| 0.65 | 222.0 | 0.0927 | 0.1742 |
| 0.65 | 234.0 | -0.3542 | 0.1823 |
| 0.65 | 246.0 | 0.0562 | 0.2692 |
| 0.65 | 258.0 | 0.0523 | 0.2417 |
| 0.65 | 282.0 | 0.1048 | 0.2367 |
| 0.65 | 294.0 | -0.2447 | 0.164 |
| 0.65 | 306.0 | -0.2706 | 0.2349 |
| 0.75 | 78.0 | -0.3746 | 0.1909 |
| 0.75 | 90.0 | -0.0961 | 0.1883 |
| 0.75 | 102.0 | -0.1377 | 0.1843 |
| 0.75 | 114.0 | -0.1304 | 0.1591 |
| 0.75 | 126.0 | -0.0858 | 0.156 |
| 0.75 | 138.0 | 0.0983 | 0.2379 |
| 0.75 | 150.0 | -0.3473 | 0.2192 |
| 0.75 | 186.0 | -0.4626 | 0.1875 |
| 0.75 | 198.0 | 0.1276 | 0.1826 |
| 0.75 | 210.0 | -0.068 | 0.1716 |
| 0.75 | 222.0 | 0.0019 | 0.1583 |
| 0.75 | 234.0 | -0.1068 | 0.1758 |
| 0.75 | 246.0 | 0.106 | 0.1772 |
| 0.75 | 258.0 | -0.0579 | 0.2572 |
| 0.75 | 270.0 | 0.0106 | 0.2743 |
| 0.75 | 282.0 | -0.0076 | 0.1793 |
| 0.75 | 294.0 | -0.3298 | 0.1661 |
| 0.75 | 306.0 | -0.0218 | 0.2446 |
| 0.85 | 66.0 | 0.1707 | 0.2352 |
| 0.85 | 78.0 | -0.1299 | 0.1528 |
| 0.85 | 90.0 | -0.0138 | 0.151 |
| 0.85 | 102.0 | 0.1763 | 0.171 |
| 0.85 | 114.0 | 0.2213 | 0.2141 |
| 0.85 | 126.0 | 0.4242 | 0.1815 |
| 0.85 | 174.0 | -0.1155 | 0.215 |
| 0.85 | 186.0 | -0.1534 | 0.2117 |
| 0.85 | 198.0 | -0.036 | 0.1868 |
| 0.85 | 210.0 | 0.3522 | 0.1625 |
| 0.85 | 222.0 | -0.1444 | 0.1377 |
| 0.85 | 234.0 | -0.1047 | 0.1396 |
| 0.85 | 246.0 | 0.1071 | 0.1584 |
| 0.85 | 258.0 | -0.168 | 0.1905 |
| 0.85 | 270.0 | -0.1543 | 0.2183 |
| 0.85 | 294.0 | 0.0477 | 0.2769 |
| 0.95 | 78.0 | -0.2704 | 0.187 |
| 0.95 | 90.0 | -0.0236 | 0.2008 |
| 0.95 | 102.0 | -0.1327 | 0.2063 |
| 0.95 | 114.0 | -0.2936 | 0.247 |
| 0.95 | 174.0 | 0.1944 | 0.2303 |
| 0.95 | 186.0 | 0.0635 | 0.193 |
| 0.95 | 198.0 | 0.0973 | 0.2076 |
| 0.95 | 210.0 | 0.0187 | 0.1803 |
| 0.95 | 222.0 | -0.3669 | 0.1862 |
| 0.95 | 234.0 | 0.0058 | 0.1434 |
| 0.95 | 246.0 | -0.0548 | 0.1569 |
| 0.95 | 258.0 | 0.0931 | 0.1548 |
| 0.95 | 270.0 | 0.2336 | 0.1983 |
Experiment comment: