Measurement E151M3552
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0717 | |
| Q2: | 0.0844 GeV2 | |
| W: | 1655.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9103 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.35 | 66.0 | -0.1446 | 0.2753 |
| 0.35 | 78.0 | -0.0878 | 0.2405 |
| 0.35 | 270.0 | -0.1128 | 0.2498 |
| 0.45 | 78.0 | 0.6257 | 0.1968 |
| 0.45 | 102.0 | -0.4067 | 0.2172 |
| 0.45 | 114.0 | 0.1785 | 0.212 |
| 0.45 | 126.0 | 0.5326 | 0.2036 |
| 0.45 | 258.0 | 0.1129 | 0.2125 |
| 0.45 | 270.0 | -0.0886 | 0.2006 |
| 0.45 | 282.0 | -0.2385 | 0.2271 |
| 0.45 | 294.0 | -0.4495 | 0.2312 |
| 0.55 | 66.0 | -0.0808 | 0.2431 |
| 0.55 | 102.0 | -0.1342 | 0.2158 |
| 0.55 | 114.0 | 0.0072 | 0.1918 |
| 0.55 | 126.0 | -0.3677 | 0.208 |
| 0.55 | 138.0 | -0.4475 | 0.2092 |
| 0.55 | 198.0 | -0.411 | 0.2446 |
| 0.55 | 210.0 | -0.0813 | 0.2245 |
| 0.55 | 222.0 | -0.0545 | 0.2307 |
| 0.55 | 234.0 | 0.3436 | 0.2611 |
| 0.55 | 258.0 | -0.419 | 0.2132 |
| 0.55 | 270.0 | 0.1144 | 0.1907 |
| 0.55 | 282.0 | -0.0102 | 0.2569 |
| 0.65 | 42.0 | -0.4196 | 0.2196 |
| 0.65 | 54.0 | 0.2032 | 0.2804 |
| 0.65 | 66.0 | 0.1581 | 0.2016 |
| 0.65 | 102.0 | -0.515 | 0.2036 |
| 0.65 | 114.0 | -0.0046 | 0.1958 |
| 0.65 | 126.0 | 0.4554 | 0.159 |
| 0.65 | 138.0 | 0.2533 | 0.1997 |
| 0.65 | 186.0 | -0.0214 | 0.2664 |
| 0.65 | 198.0 | -0.1604 | 0.222 |
| 0.65 | 210.0 | 0.0905 | 0.1939 |
| 0.65 | 222.0 | 0.1608 | 0.1875 |
| 0.65 | 234.0 | -0.3556 | 0.23 |
| 0.65 | 282.0 | 0.2728 | 0.1944 |
| 0.65 | 294.0 | -0.0647 | 0.2525 |
| 0.75 | 90.0 | -0.3236 | 0.2228 |
| 0.75 | 114.0 | 0.2448 | 0.1995 |
| 0.75 | 126.0 | -0.0449 | 0.1841 |
| 0.75 | 138.0 | 0.2098 | 0.1913 |
| 0.75 | 174.0 | 0.0561 | 0.2596 |
| 0.75 | 186.0 | -0.1327 | 0.2258 |
| 0.75 | 198.0 | 0.0734 | 0.1977 |
| 0.75 | 210.0 | -0.1418 | 0.1898 |
| 0.75 | 222.0 | -0.0603 | 0.157 |
| 0.75 | 234.0 | -0.1412 | 0.2132 |
| 0.75 | 270.0 | -0.3509 | 0.227 |
| 0.75 | 282.0 | 0.2702 | 0.1892 |
| 0.75 | 294.0 | 0.317 | 0.1941 |
| 0.85 | 90.0 | -0.1188 | 0.195 |
| 0.85 | 102.0 | 0.1041 | 0.1659 |
| 0.85 | 114.0 | 0.2316 | 0.1917 |
| 0.85 | 126.0 | -0.3297 | 0.2507 |
| 0.85 | 186.0 | 0.2603 | 0.1985 |
| 0.85 | 198.0 | 0.0378 | 0.1877 |
| 0.85 | 210.0 | -0.3637 | 0.1809 |
| 0.85 | 222.0 | -0.1602 | 0.1623 |
| 0.85 | 234.0 | -0.0454 | 0.1562 |
| 0.85 | 246.0 | -0.5699 | 0.1981 |
| 0.85 | 270.0 | 0.0795 | 0.3112 |
| 0.85 | 282.0 | 0.0671 | 0.2419 |
| 0.95 | 102.0 | -0.377 | 0.2375 |
| 0.95 | 114.0 | -0.0926 | 0.2683 |
| 0.95 | 198.0 | 0.2018 | 0.2131 |
| 0.95 | 210.0 | 0.1325 | 0.2221 |
| 0.95 | 222.0 | -0.0962 | 0.2268 |
| 0.95 | 234.0 | -0.0593 | 0.2197 |
| 0.95 | 246.0 | 0.1416 | 0.2292 |
Experiment comment: