Measurement E151M3493
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.2038 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9417 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.05 | 30.0 | 0.3318 | 0.2457 |
| 0.05 | 30.0 | 0.2371 | 0.2604 |
| 0.05 | 54.0 | 0.0244 | 0.2171 |
| 0.05 | 66.0 | -0.0743 | 0.2053 |
| 0.15 | 18.0 | 0.3204 | 0.2681 |
| 0.15 | 54.0 | -0.3032 | 0.1564 |
| 0.15 | 66.0 | -0.0793 | 0.1509 |
| 0.15 | 78.0 | 0.1307 | 0.2177 |
| 0.15 | 282.0 | -0.0596 | 0.2322 |
| 0.15 | 294.0 | 0.0049 | 0.1749 |
| 0.15 | 306.0 | -0.2077 | 0.2049 |
| 0.25 | 54.0 | -0.0909 | 0.1477 |
| 0.25 | 66.0 | -0.0817 | 0.1357 |
| 0.25 | 78.0 | -0.1789 | 0.1543 |
| 0.25 | 270.0 | 0.0684 | 0.2333 |
| 0.25 | 282.0 | 0.0174 | 0.1469 |
| 0.25 | 294.0 | -0.1354 | 0.1417 |
| 0.25 | 306.0 | -0.0019 | 0.1916 |
| 0.35 | 54.0 | -0.3335 | 0.193 |
| 0.35 | 66.0 | 0.1228 | 0.1334 |
| 0.35 | 78.0 | 0.3254 | 0.1366 |
| 0.35 | 90.0 | 0.1874 | 0.2039 |
| 0.35 | 102.0 | 0.3474 | 0.2227 |
| 0.35 | 270.0 | -0.218 | 0.1621 |
| 0.35 | 282.0 | 0.2184 | 0.1104 |
| 0.35 | 294.0 | -0.1043 | 0.1329 |
| 0.35 | 306.0 | -0.1035 | 0.1976 |
| 0.45 | 54.0 | -0.1485 | 0.2191 |
| 0.45 | 66.0 | -0.0334 | 0.1583 |
| 0.45 | 78.0 | 0.2736 | 0.1624 |
| 0.45 | 90.0 | 0.1393 | 0.167 |
| 0.45 | 102.0 | 0.0937 | 0.1683 |
| 0.45 | 114.0 | 0.051 | 0.1738 |
| 0.45 | 258.0 | -0.1389 | 0.19 |
| 0.45 | 270.0 | 0.2471 | 0.1343 |
| 0.45 | 282.0 | -0.0464 | 0.1145 |
| 0.45 | 294.0 | -0.0195 | 0.1184 |
| 0.45 | 306.0 | -0.4019 | 0.2212 |
| 0.55 | 54.0 | 0.0437 | 0.1678 |
| 0.55 | 66.0 | 0.074 | 0.1558 |
| 0.55 | 78.0 | -0.2048 | 0.1842 |
| 0.55 | 90.0 | -0.089 | 0.1431 |
| 0.55 | 102.0 | 0.0496 | 0.1196 |
| 0.55 | 114.0 | -0.0002 | 0.1279 |
| 0.55 | 126.0 | 0.0122 | 0.162 |
| 0.55 | 138.0 | 0.0989 | 0.2675 |
| 0.55 | 222.0 | -0.2339 | 0.2438 |
| 0.55 | 234.0 | 0.0362 | 0.1775 |
| 0.55 | 246.0 | -0.2217 | 0.1547 |
| 0.55 | 258.0 | -0.0366 | 0.1656 |
| 0.55 | 270.0 | -0.0518 | 0.143 |
| 0.55 | 282.0 | -0.1438 | 0.1247 |
| 0.55 | 294.0 | 0.0946 | 0.1749 |
| 0.55 | 306.0 | 0.1981 | 0.1525 |
| 0.55 | 318.0 | -0.2418 | 0.2503 |
| 0.65 | 54.0 | -0.1425 | 0.2049 |
| 0.65 | 66.0 | 0.1904 | 0.2041 |
| 0.65 | 78.0 | 0.1359 | 0.1822 |
| 0.65 | 90.0 | -0.2475 | 0.1226 |
| 0.65 | 102.0 | 0.0663 | 0.1151 |
| 0.65 | 114.0 | 0.1194 | 0.1116 |
| 0.65 | 126.0 | -0.0717 | 0.1123 |
| 0.65 | 138.0 | 0.2094 | 0.1574 |
| 0.65 | 150.0 | -0.0629 | 0.2095 |
| 0.65 | 198.0 | 0.0545 | 0.2211 |
| 0.65 | 210.0 | -0.1548 | 0.1795 |
| 0.65 | 222.0 | -0.0395 | 0.15 |
| 0.65 | 234.0 | 0.265 | 0.1276 |
| 0.65 | 246.0 | -0.1401 | 0.1218 |
| 0.65 | 258.0 | -0.0365 | 0.1442 |
| 0.65 | 270.0 | -0.3121 | 0.1413 |
| 0.65 | 282.0 | 0.0076 | 0.1725 |
| 0.65 | 294.0 | -0.0723 | 0.1584 |
| 0.65 | 306.0 | 0.1469 | 0.1301 |
| 0.75 | 66.0 | 0.1745 | 0.1797 |
| 0.75 | 78.0 | 0.2236 | 0.1765 |
| 0.75 | 90.0 | 0.0515 | 0.1331 |
| 0.75 | 102.0 | 0.0632 | 0.0923 |
| 0.75 | 114.0 | 0.1435 | 0.1016 |
| 0.75 | 126.0 | 0.0454 | 0.1121 |
| 0.75 | 138.0 | 0.0004 | 0.1409 |
| 0.75 | 150.0 | 0.1463 | 0.1758 |
| 0.75 | 162.0 | 0.1248 | 0.2691 |
| 0.75 | 174.0 | 0.1273 | 0.2236 |
| 0.75 | 186.0 | 0.1536 | 0.2078 |
| 0.75 | 198.0 | 0.1721 | 0.1543 |
| 0.75 | 210.0 | 0.1142 | 0.1225 |
| 0.75 | 222.0 | -0.1259 | 0.1234 |
| 0.75 | 234.0 | -0.0497 | 0.1082 |
| 0.75 | 246.0 | 0.03 | 0.1129 |
| 0.75 | 258.0 | -0.1677 | 0.1174 |
| 0.75 | 270.0 | -0.0495 | 0.1434 |
| 0.75 | 282.0 | 0.4405 | 0.1703 |
| 0.75 | 294.0 | 0.1269 | 0.1355 |
| 0.75 | 306.0 | 0.1155 | 0.2549 |
| 0.85 | 66.0 | -0.0232 | 0.1662 |
| 0.85 | 78.0 | 0.2766 | 0.1149 |
| 0.85 | 90.0 | 0.0489 | 0.1454 |
| 0.85 | 102.0 | 0.0037 | 0.1467 |
| 0.85 | 114.0 | 0.0723 | 0.1115 |
| 0.85 | 126.0 | 0.1371 | 0.1207 |
| 0.85 | 138.0 | -0.0982 | 0.1452 |
| 0.85 | 150.0 | 0.1623 | 0.1894 |
| 0.85 | 162.0 | -0.1157 | 0.2121 |
| 0.85 | 174.0 | -0.1379 | 0.1836 |
| 0.85 | 186.0 | -0.1249 | 0.1901 |
| 0.85 | 198.0 | -0.1156 | 0.1578 |
| 0.85 | 210.0 | -0.1697 | 0.1259 |
| 0.85 | 222.0 | 0.0659 | 0.1116 |
| 0.85 | 234.0 | 0.0627 | 0.096 |
| 0.85 | 246.0 | 0.1062 | 0.0942 |
| 0.85 | 258.0 | -0.0303 | 0.1045 |
| 0.85 | 270.0 | 0.1345 | 0.121 |
| 0.85 | 282.0 | 0.1204 | 0.1395 |
| 0.85 | 294.0 | -0.2401 | 0.1984 |
| 0.95 | 78.0 | 0.0384 | 0.1533 |
| 0.95 | 90.0 | -0.1141 | 0.1561 |
| 0.95 | 102.0 | -0.0135 | 0.1919 |
| 0.95 | 114.0 | -0.5183 | 0.2067 |
| 0.95 | 126.0 | 0.0884 | 0.2383 |
| 0.95 | 138.0 | -0.3471 | 0.2444 |
| 0.95 | 150.0 | 0.1694 | 0.2588 |
| 0.95 | 162.0 | -0.3568 | 0.1995 |
| 0.95 | 174.0 | 0.0946 | 0.2096 |
| 0.95 | 186.0 | 0.0046 | 0.2297 |
| 0.95 | 198.0 | 0.1289 | 0.1896 |
| 0.95 | 210.0 | -0.2784 | 0.1558 |
| 0.95 | 222.0 | -0.0309 | 0.1445 |
| 0.95 | 234.0 | -0.0679 | 0.1277 |
| 0.95 | 246.0 | -0.0263 | 0.1231 |
| 0.95 | 258.0 | 0.0547 | 0.122 |
| 0.95 | 270.0 | 0.1418 | 0.1154 |
| 0.95 | 282.0 | 0.1199 | 0.1138 |
| 0.95 | 294.0 | -0.4848 | 0.1805 |
Experiment comment: