Measurement E151M3447
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.3964 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9599 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.15 | 30.0 | 0.2204 | 0.2709 |
| -0.05 | 306.0 | 0.2449 | 0.2175 |
| 0.05 | 54.0 | 0.2009 | 0.1889 |
| 0.05 | 66.0 | -0.0862 | 0.2185 |
| 0.05 | 294.0 | -0.5873 | 0.1931 |
| 0.05 | 306.0 | 0.0849 | 0.1945 |
| 0.15 | 54.0 | -0.0046 | 0.1788 |
| 0.15 | 66.0 | -0.0048 | 0.1763 |
| 0.15 | 78.0 | -0.3538 | 0.2579 |
| 0.15 | 294.0 | -0.3372 | 0.167 |
| 0.15 | 306.0 | -0.0769 | 0.1733 |
| 0.15 | 318.0 | 0.2624 | 0.2221 |
| 0.25 | 54.0 | 0.1522 | 0.158 |
| 0.25 | 66.0 | -0.0682 | 0.1262 |
| 0.25 | 78.0 | -0.2624 | 0.1818 |
| 0.25 | 282.0 | -0.0748 | 0.1826 |
| 0.25 | 294.0 | -0.1264 | 0.1598 |
| 0.25 | 306.0 | -0.023 | 0.1788 |
| 0.35 | 54.0 | -0.0456 | 0.194 |
| 0.35 | 66.0 | -0.0007 | 0.1385 |
| 0.35 | 78.0 | 0.1128 | 0.1686 |
| 0.35 | 282.0 | -0.1679 | 0.1524 |
| 0.35 | 294.0 | 0.1947 | 0.1451 |
| 0.35 | 306.0 | -0.1706 | 0.2106 |
| 0.45 | 54.0 | 0.1294 | 0.1646 |
| 0.45 | 66.0 | 0.0438 | 0.1367 |
| 0.45 | 78.0 | 0.0957 | 0.177 |
| 0.45 | 90.0 | -0.1268 | 0.2238 |
| 0.45 | 102.0 | -0.0322 | 0.267 |
| 0.45 | 270.0 | -0.1569 | 0.192 |
| 0.45 | 282.0 | -0.0962 | 0.1494 |
| 0.45 | 294.0 | -0.0967 | 0.1377 |
| 0.45 | 306.0 | 0.027 | 0.2071 |
| 0.45 | 318.0 | -0.1003 | 0.2567 |
| 0.55 | 54.0 | 0.2426 | 0.1758 |
| 0.55 | 66.0 | 0.0722 | 0.2039 |
| 0.55 | 78.0 | -0.057 | 0.1676 |
| 0.55 | 90.0 | 0.3841 | 0.1376 |
| 0.55 | 102.0 | -0.0998 | 0.1589 |
| 0.55 | 114.0 | -0.3264 | 0.2027 |
| 0.55 | 258.0 | -0.0863 | 0.191 |
| 0.55 | 270.0 | -0.0297 | 0.1541 |
| 0.55 | 282.0 | 0.082 | 0.1554 |
| 0.55 | 294.0 | 0.1902 | 0.1634 |
| 0.55 | 306.0 | -0.3403 | 0.1892 |
| 0.65 | 66.0 | 0.0815 | 0.2277 |
| 0.65 | 78.0 | 0.1407 | 0.1502 |
| 0.65 | 90.0 | 0.048 | 0.1183 |
| 0.65 | 102.0 | 0.1262 | 0.1109 |
| 0.65 | 114.0 | -0.0871 | 0.1285 |
| 0.65 | 126.0 | 0.2204 | 0.2066 |
| 0.65 | 246.0 | 0.159 | 0.1553 |
| 0.65 | 258.0 | 0.0231 | 0.1347 |
| 0.65 | 270.0 | -0.0389 | 0.1456 |
| 0.65 | 282.0 | 0.0954 | 0.1478 |
| 0.65 | 294.0 | -0.0923 | 0.2478 |
| 0.65 | 306.0 | 0.206 | 0.2104 |
| 0.75 | 66.0 | -0.3425 | 0.1738 |
| 0.75 | 78.0 | 0.0531 | 0.117 |
| 0.75 | 90.0 | 0.0293 | 0.0908 |
| 0.75 | 102.0 | -0.1874 | 0.0962 |
| 0.75 | 114.0 | 0.2802 | 0.1022 |
| 0.75 | 126.0 | 0.176 | 0.1256 |
| 0.75 | 138.0 | -0.0041 | 0.1899 |
| 0.75 | 210.0 | -0.0752 | 0.2441 |
| 0.75 | 222.0 | -0.1109 | 0.1532 |
| 0.75 | 234.0 | -0.1523 | 0.1395 |
| 0.75 | 246.0 | 0.1119 | 0.1126 |
| 0.75 | 258.0 | 0.1227 | 0.1083 |
| 0.75 | 270.0 | 0.0638 | 0.1046 |
| 0.75 | 282.0 | -0.1032 | 0.1213 |
| 0.75 | 294.0 | -0.0232 | 0.154 |
| 0.85 | 54.0 | -0.0822 | 0.2501 |
| 0.85 | 66.0 | 0.2054 | 0.1244 |
| 0.85 | 78.0 | -0.1734 | 0.1509 |
| 0.85 | 90.0 | 0.1107 | 0.0959 |
| 0.85 | 102.0 | 0.0212 | 0.1001 |
| 0.85 | 114.0 | 0.1199 | 0.1064 |
| 0.85 | 126.0 | 0.0541 | 0.1094 |
| 0.85 | 138.0 | 0.0179 | 0.138 |
| 0.85 | 150.0 | 0.1032 | 0.1862 |
| 0.85 | 162.0 | -0.0896 | 0.2382 |
| 0.85 | 174.0 | -0.0553 | 0.2125 |
| 0.85 | 186.0 | 0.2202 | 0.1831 |
| 0.85 | 198.0 | 0.0153 | 0.1811 |
| 0.85 | 210.0 | 0.1213 | 0.1462 |
| 0.85 | 222.0 | -0.0768 | 0.1186 |
| 0.85 | 234.0 | 0.1595 | 0.1038 |
| 0.85 | 246.0 | 0.0128 | 0.0933 |
| 0.85 | 258.0 | 0.0636 | 0.094 |
| 0.85 | 270.0 | -0.1879 | 0.0931 |
| 0.85 | 282.0 | 0.2 | 0.1053 |
| 0.85 | 294.0 | -0.0539 | 0.1042 |
| 0.85 | 306.0 | -0.0283 | 0.186 |
| 0.95 | 54.0 | 0.3041 | 0.2059 |
| 0.95 | 66.0 | 0.1288 | 0.1434 |
| 0.95 | 78.0 | 0.11 | 0.2349 |
| 0.95 | 90.0 | -0.4245 | 0.1797 |
| 0.95 | 102.0 | 0.1194 | 0.1309 |
| 0.95 | 114.0 | -0.2368 | 0.1328 |
| 0.95 | 126.0 | 0.1552 | 0.1272 |
| 0.95 | 138.0 | 0.2237 | 0.1671 |
| 0.95 | 150.0 | 0.1641 | 0.1666 |
| 0.95 | 162.0 | 0.5144 | 0.1785 |
| 0.95 | 174.0 | -0.0454 | 0.1773 |
| 0.95 | 186.0 | 0.0229 | 0.1885 |
| 0.95 | 198.0 | 0.0828 | 0.1873 |
| 0.95 | 210.0 | -0.048 | 0.1415 |
| 0.95 | 222.0 | -0.079 | 0.1295 |
| 0.95 | 234.0 | -0.0342 | 0.1246 |
| 0.95 | 246.0 | -0.1797 | 0.1168 |
| 0.95 | 258.0 | -0.1303 | 0.1165 |
| 0.95 | 270.0 | 0.0919 | 0.11 |
| 0.95 | 282.0 | 0.1418 | 0.1083 |
| 0.95 | 294.0 | -0.254 | 0.1024 |
| 0.95 | 306.0 | -0.0727 | 0.149 |
Experiment comment: