Measurement E151M3530
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.123 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9227 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.15 | 66.0 | 0.0371 | 0.2559 |
| 0.25 | 54.0 | -0.2288 | 0.2537 |
| 0.25 | 66.0 | -0.0318 | 0.2052 |
| 0.25 | 78.0 | 0.0443 | 0.2106 |
| 0.25 | 270.0 | 0.4874 | 0.2049 |
| 0.25 | 282.0 | 0.3318 | 0.1912 |
| 0.25 | 294.0 | -0.0262 | 0.2186 |
| 0.35 | 54.0 | 0.3795 | 0.2819 |
| 0.35 | 66.0 | 0.16 | 0.196 |
| 0.35 | 78.0 | -0.2531 | 0.2419 |
| 0.35 | 90.0 | -0.2648 | 0.2033 |
| 0.35 | 114.0 | -0.2959 | 0.2612 |
| 0.35 | 270.0 | -0.2732 | 0.1902 |
| 0.35 | 282.0 | 0.0613 | 0.1683 |
| 0.35 | 294.0 | 0.018 | 0.206 |
| 0.45 | 66.0 | -0.0887 | 0.1976 |
| 0.45 | 78.0 | -0.1636 | 0.2328 |
| 0.45 | 90.0 | -0.0828 | 0.2169 |
| 0.45 | 102.0 | 0.0902 | 0.215 |
| 0.45 | 114.0 | 0.1882 | 0.189 |
| 0.45 | 126.0 | 0.2603 | 0.2063 |
| 0.45 | 258.0 | -0.2213 | 0.1858 |
| 0.45 | 270.0 | -0.1544 | 0.1633 |
| 0.45 | 282.0 | 0.0578 | 0.1549 |
| 0.45 | 294.0 | -0.0492 | 0.2113 |
| 0.55 | 54.0 | 0.11 | 0.2387 |
| 0.55 | 66.0 | 0.1289 | 0.2259 |
| 0.55 | 78.0 | -0.0975 | 0.2675 |
| 0.55 | 90.0 | -0.1075 | 0.1881 |
| 0.55 | 102.0 | -0.2303 | 0.1595 |
| 0.55 | 114.0 | -0.085 | 0.1614 |
| 0.55 | 126.0 | 0.019 | 0.1764 |
| 0.55 | 138.0 | 0.0097 | 0.1834 |
| 0.55 | 150.0 | -0.376 | 0.2365 |
| 0.55 | 186.0 | -0.43 | 0.2097 |
| 0.55 | 198.0 | -0.084 | 0.2447 |
| 0.55 | 210.0 | 0.6495 | 0.1525 |
| 0.55 | 222.0 | -0.1356 | 0.2038 |
| 0.55 | 234.0 | 0.1864 | 0.1874 |
| 0.55 | 246.0 | -0.1761 | 0.1881 |
| 0.55 | 258.0 | -0.3471 | 0.1742 |
| 0.55 | 270.0 | -0.0313 | 0.1677 |
| 0.55 | 282.0 | -0.1237 | 0.1651 |
| 0.55 | 294.0 | 0.219 | 0.2421 |
| 0.55 | 306.0 | 0.1294 | 0.2347 |
| 0.65 | 54.0 | 0.1068 | 0.1809 |
| 0.65 | 66.0 | 0.0188 | 0.2435 |
| 0.65 | 78.0 | 0.0934 | 0.2553 |
| 0.65 | 90.0 | -0.0482 | 0.1611 |
| 0.65 | 102.0 | -0.121 | 0.1355 |
| 0.65 | 114.0 | 0.1361 | 0.1185 |
| 0.65 | 126.0 | 0.2082 | 0.1519 |
| 0.65 | 138.0 | 0.1006 | 0.161 |
| 0.65 | 162.0 | -0.1604 | 0.2708 |
| 0.65 | 174.0 | 0.3715 | 0.2599 |
| 0.65 | 186.0 | 0.1109 | 0.2194 |
| 0.65 | 198.0 | -0.0222 | 0.21 |
| 0.65 | 210.0 | -0.0976 | 0.1677 |
| 0.65 | 222.0 | 0.167 | 0.1544 |
| 0.65 | 234.0 | 0.262 | 0.1651 |
| 0.65 | 246.0 | 0.258 | 0.1745 |
| 0.65 | 258.0 | 0.0796 | 0.1648 |
| 0.65 | 270.0 | -0.3375 | 0.2038 |
| 0.65 | 282.0 | -0.3823 | 0.1577 |
| 0.65 | 294.0 | 0.0532 | 0.1519 |
| 0.65 | 306.0 | 0.3807 | 0.1903 |
| 0.75 | 66.0 | -0.1016 | 0.2695 |
| 0.75 | 78.0 | 0.2648 | 0.2065 |
| 0.75 | 90.0 | 0.1037 | 0.1794 |
| 0.75 | 102.0 | 0.0192 | 0.169 |
| 0.75 | 114.0 | 0.0169 | 0.1236 |
| 0.75 | 126.0 | 0.1667 | 0.1405 |
| 0.75 | 138.0 | -0.2861 | 0.1775 |
| 0.75 | 150.0 | -0.0193 | 0.2145 |
| 0.75 | 162.0 | -0.1544 | 0.2415 |
| 0.75 | 174.0 | -0.0249 | 0.2322 |
| 0.75 | 186.0 | -0.3268 | 0.1861 |
| 0.75 | 198.0 | -0.1525 | 0.166 |
| 0.75 | 210.0 | 0.1819 | 0.1436 |
| 0.75 | 222.0 | -0.0114 | 0.1337 |
| 0.75 | 234.0 | -0.1546 | 0.1459 |
| 0.75 | 246.0 | 0.1099 | 0.143 |
| 0.75 | 258.0 | -0.0104 | 0.1725 |
| 0.75 | 270.0 | -0.2259 | 0.1729 |
| 0.75 | 282.0 | 0.1637 | 0.143 |
| 0.75 | 294.0 | 0.1698 | 0.1315 |
| 0.85 | 78.0 | 0.0795 | 0.1411 |
| 0.85 | 90.0 | 0.1117 | 0.1256 |
| 0.85 | 102.0 | -0.1221 | 0.133 |
| 0.85 | 114.0 | -0.2617 | 0.1788 |
| 0.85 | 126.0 | 0.1704 | 0.2131 |
| 0.85 | 138.0 | 0.0964 | 0.2146 |
| 0.85 | 150.0 | 0.1412 | 0.2202 |
| 0.85 | 162.0 | 0.1045 | 0.2355 |
| 0.85 | 174.0 | -0.0001 | 0.2116 |
| 0.85 | 186.0 | -0.4831 | 0.1647 |
| 0.85 | 198.0 | 0.2639 | 0.1716 |
| 0.85 | 210.0 | -0.0193 | 0.1412 |
| 0.85 | 222.0 | -0.0778 | 0.1273 |
| 0.85 | 234.0 | -0.0125 | 0.118 |
| 0.85 | 246.0 | 0.0557 | 0.1353 |
| 0.85 | 258.0 | 0.0046 | 0.154 |
| 0.85 | 270.0 | 0.1625 | 0.1902 |
| 0.85 | 282.0 | -0.1967 | 0.1672 |
| 0.95 | 90.0 | -0.1259 | 0.1578 |
| 0.95 | 102.0 | -0.0333 | 0.1891 |
| 0.95 | 114.0 | -0.3181 | 0.1846 |
| 0.95 | 126.0 | -0.0078 | 0.2772 |
| 0.95 | 174.0 | 0.0043 | 0.2266 |
| 0.95 | 186.0 | 0.3657 | 0.2153 |
| 0.95 | 198.0 | -0.1132 | 0.2098 |
| 0.95 | 210.0 | 0.1427 | 0.1953 |
| 0.95 | 222.0 | -0.0526 | 0.1478 |
| 0.95 | 234.0 | 0.0698 | 0.1367 |
| 0.95 | 246.0 | -0.1713 | 0.1429 |
| 0.95 | 258.0 | -0.2236 | 0.1479 |
| 0.95 | 270.0 | -0.0372 | 0.1705 |
Experiment comment: