Measurement E151M3248
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1408 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9416 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.1415 | 0.1819 |
| 0.25 | 66.0 | -0.0785 | 0.1322 |
| 0.25 | 78.0 | -0.4942 | 0.1961 |
| 0.25 | 282.0 | -0.2001 | 0.2585 |
| 0.25 | 294.0 | -0.0251 | 0.1477 |
| 0.25 | 306.0 | 0.0142 | 0.1767 |
| 0.35 | 66.0 | -0.1953 | 0.1127 |
| 0.35 | 78.0 | 0.0487 | 0.1199 |
| 0.35 | 270.0 | -0.0986 | 0.1657 |
| 0.35 | 282.0 | -0.141 | 0.1191 |
| 0.35 | 294.0 | -0.0027 | 0.1234 |
| 0.35 | 306.0 | 0.1447 | 0.1562 |
| 0.45 | 66.0 | 0.069 | 0.1184 |
| 0.45 | 78.0 | -0.0722 | 0.0973 |
| 0.45 | 90.0 | 0.0469 | 0.1485 |
| 0.45 | 270.0 | -0.2025 | 0.1232 |
| 0.45 | 282.0 | 0.2794 | 0.1048 |
| 0.45 | 294.0 | -0.0001 | 0.1011 |
| 0.45 | 306.0 | 0.0071 | 0.1647 |
| 0.55 | 66.0 | -0.092 | 0.133 |
| 0.55 | 78.0 | -0.0397 | 0.1204 |
| 0.55 | 90.0 | -0.0885 | 0.1373 |
| 0.55 | 102.0 | 0.304 | 0.1528 |
| 0.55 | 114.0 | 0.0533 | 0.147 |
| 0.55 | 126.0 | 0.1229 | 0.1566 |
| 0.55 | 234.0 | -0.1726 | 0.1762 |
| 0.55 | 246.0 | 0.1502 | 0.2447 |
| 0.55 | 258.0 | -0.2276 | 0.1318 |
| 0.55 | 270.0 | -0.1308 | 0.112 |
| 0.55 | 282.0 | 0.193 | 0.1126 |
| 0.55 | 294.0 | 0.0456 | 0.1325 |
| 0.65 | 66.0 | 0.2279 | 0.1526 |
| 0.65 | 78.0 | 0.2142 | 0.1408 |
| 0.65 | 90.0 | -0.1564 | 0.148 |
| 0.65 | 102.0 | 0.0759 | 0.1411 |
| 0.65 | 114.0 | -0.0124 | 0.1143 |
| 0.65 | 126.0 | 0.1055 | 0.1063 |
| 0.65 | 138.0 | -0.0205 | 0.1476 |
| 0.65 | 150.0 | -0.1483 | 0.1732 |
| 0.65 | 198.0 | 0.2249 | 0.2485 |
| 0.65 | 210.0 | -0.0276 | 0.1591 |
| 0.65 | 222.0 | 0.183 | 0.1496 |
| 0.65 | 234.0 | 0.0973 | 0.1154 |
| 0.65 | 246.0 | 0.0822 | 0.1302 |
| 0.65 | 258.0 | -0.0941 | 0.1424 |
| 0.65 | 270.0 | -0.1084 | 0.1339 |
| 0.65 | 282.0 | -0.29 | 0.1564 |
| 0.65 | 294.0 | -0.0207 | 0.1415 |
| 0.75 | 90.0 | -0.244 | 0.266 |
| 0.75 | 102.0 | 0.0991 | 0.1763 |
| 0.75 | 114.0 | 0.0178 | 0.1338 |
| 0.75 | 126.0 | -0.1834 | 0.1729 |
| 0.75 | 138.0 | -0.0087 | 0.1904 |
| 0.75 | 150.0 | 0.2683 | 0.1895 |
| 0.75 | 210.0 | 0.22 | 0.1722 |
| 0.75 | 222.0 | 0.1163 | 0.1638 |
| 0.75 | 234.0 | 0.1002 | 0.1626 |
| 0.75 | 246.0 | 0.0628 | 0.1485 |
| 0.75 | 258.0 | -0.2498 | 0.1748 |
| 0.75 | 270.0 | -0.1432 | 0.2062 |
| 0.75 | 282.0 | -0.183 | 0.2503 |
| 0.75 | 294.0 | -0.3973 | 0.2243 |
| 0.85 | 90.0 | 0.6572 | 0.174 |
| 0.85 | 102.0 | 0.4084 | 0.2161 |
| 0.85 | 114.0 | -0.378 | 0.1817 |
| 0.85 | 126.0 | -0.0884 | 0.1591 |
| 0.85 | 138.0 | 0.0708 | 0.1946 |
| 0.85 | 150.0 | 0.1147 | 0.255 |
| 0.85 | 198.0 | -0.7659 | 0.185 |
| 0.85 | 210.0 | 0.0454 | 0.2172 |
| 0.85 | 222.0 | 0.1043 | 0.1667 |
| 0.85 | 234.0 | -0.1776 | 0.1344 |
| 0.85 | 246.0 | -0.1255 | 0.1496 |
| 0.85 | 258.0 | 0.2592 | 0.1785 |
| 0.85 | 270.0 | 0.3076 | 0.188 |
| 0.95 | 210.0 | 0.0676 | 0.2591 |
| 0.95 | 222.0 | 0.2298 | 0.2475 |
| 0.95 | 234.0 | -0.1655 | 0.1738 |
| 0.95 | 246.0 | -0.1856 | 0.2037 |
| 0.95 | 258.0 | 0.0761 | 0.2224 |
| 0.65 | 306.0 | -0.0838 | 0.2182 |
| 0.75 | 90.0 | -0.1111 | 0.2535 |
| 0.75 | 102.0 | 0.3094 | 0.1711 |
| 0.75 | 114.0 | -0.2224 | 0.1327 |
| 0.75 | 126.0 | -0.1181 | 0.1452 |
| 0.75 | 138.0 | -0.0423 | 0.1613 |
| 0.75 | 150.0 | 0.3378 | 0.1963 |
| 0.75 | 198.0 | 0.0284 | 0.2335 |
| 0.75 | 210.0 | 0.1389 | 0.1912 |
| 0.75 | 222.0 | -0.0314 | 0.1892 |
| 0.75 | 234.0 | -0.254 | 0.1747 |
| 0.75 | 246.0 | -0.1054 | 0.1482 |
| 0.75 | 258.0 | 0.0299 | 0.197 |
| 0.75 | 270.0 | -0.1074 | 0.2529 |
| 0.75 | 282.0 | -0.6539 | 0.2128 |
| 0.75 | 294.0 | 0.1261 | 0.2513 |
| 0.85 | 90.0 | 0.1219 | 0.2351 |
| 0.85 | 102.0 | 0.0294 | 0.2301 |
| 0.85 | 114.0 | 0.1141 | 0.2092 |
| 0.85 | 126.0 | 0.0261 | 0.1945 |
| 0.85 | 138.0 | 0.5589 | 0.1722 |
| 0.85 | 162.0 | -0.1509 | 0.2739 |
| 0.85 | 198.0 | 0.0552 | 0.2589 |
| 0.85 | 210.0 | -0.0699 | 0.1802 |
| 0.85 | 222.0 | 0.2566 | 0.1648 |
| 0.85 | 234.0 | 0.0271 | 0.1532 |
| 0.85 | 246.0 | 0.0399 | 0.1539 |
| 0.85 | 258.0 | -0.2305 | 0.1737 |
| 0.85 | 270.0 | 0.3718 | 0.2121 |
| 0.95 | 210.0 | -0.1706 | 0.236 |
| 0.95 | 222.0 | 0.194 | 0.2535 |
| 0.95 | 234.0 | -0.1688 | 0.2303 |
| 0.95 | 246.0 | -0.1033 | 0.2036 |
| 0.95 | 258.0 | 0.2976 | 0.2215 |
Experiment comment: