Measurement E151M3408
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 1.0269 | |
| Q2: | 0.348 GeV2 | |
| W: | 1265.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9554 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 66.0 | -0.1167 | 0.2423 |
| 0.15 | 66.0 | -0.0494 | 0.2324 |
| 0.25 | 66.0 | 0.0315 | 0.2109 |
| 0.25 | 282.0 | -0.0043 | 0.2577 |
| 0.25 | 294.0 | -0.2543 | 0.2803 |
| 0.35 | 282.0 | -0.1819 | 0.231 |
| 0.45 | 282.0 | 0.0378 | 0.2561 |
| 0.45 | 294.0 | -0.3053 | 0.179 |
| 0.55 | 90.0 | -0.2372 | 0.2446 |
| 0.55 | 270.0 | 0.3719 | 0.2057 |
| 0.55 | 282.0 | 0.0475 | 0.1803 |
| 0.55 | 294.0 | -0.2003 | 0.1836 |
| 0.55 | 306.0 | 0.147 | 0.2743 |
| 0.65 | 66.0 | 0.3233 | 0.1898 |
| 0.65 | 78.0 | 0.2896 | 0.1754 |
| 0.65 | 90.0 | 0.0232 | 0.1955 |
| 0.65 | 102.0 | 0.1908 | 0.274 |
| 0.65 | 258.0 | 0.0444 | 0.2783 |
| 0.65 | 270.0 | 0.0962 | 0.1718 |
| 0.65 | 282.0 | 0.1699 | 0.1933 |
| 0.65 | 294.0 | -0.245 | 0.17 |
| 0.65 | 306.0 | -0.072 | 0.2174 |
| 0.75 | 54.0 | -0.5967 | 0.2039 |
| 0.75 | 66.0 | -0.1881 | 0.1595 |
| 0.75 | 78.0 | 0.0341 | 0.1667 |
| 0.75 | 90.0 | 0.1292 | 0.1547 |
| 0.75 | 102.0 | 0.0476 | 0.1798 |
| 0.75 | 258.0 | 0.0624 | 0.1635 |
| 0.75 | 270.0 | -0.2337 | 0.1604 |
| 0.75 | 282.0 | -0.0447 | 0.1776 |
| 0.75 | 294.0 | 0.0835 | 0.167 |
| 0.75 | 306.0 | 0.0926 | 0.1695 |
| 0.85 | 54.0 | -0.1435 | 0.1849 |
| 0.85 | 66.0 | -0.0682 | 0.1641 |
| 0.85 | 78.0 | 0.1823 | 0.1672 |
| 0.85 | 90.0 | 0.1726 | 0.1764 |
| 0.85 | 102.0 | 0.0007 | 0.1963 |
| 0.85 | 114.0 | -0.2752 | 0.2055 |
| 0.85 | 234.0 | -0.0383 | 0.2712 |
| 0.85 | 246.0 | 0.146 | 0.1935 |
| 0.85 | 258.0 | 0.1744 | 0.1864 |
| 0.85 | 270.0 | -0.1435 | 0.1732 |
| 0.85 | 282.0 | -0.0501 | 0.171 |
| 0.85 | 294.0 | 0.165 | 0.1787 |
| 0.85 | 306.0 | -0.1898 | 0.181 |
| 0.85 | 318.0 | -0.3542 | 0.223 |
| 0.95 | 54.0 | 0.3458 | 0.2028 |
| 0.95 | 66.0 | -0.2049 | 0.2193 |
| 0.95 | 78.0 | 0.0294 | 0.1726 |
| 0.95 | 90.0 | -0.4237 | 0.1954 |
| 0.95 | 102.0 | -0.0769 | 0.2351 |
| 0.95 | 114.0 | 0.157 | 0.2312 |
| 0.95 | 126.0 | 0.2045 | 0.227 |
| 0.95 | 138.0 | -0.3405 | 0.2534 |
| 0.95 | 234.0 | -0.1735 | 0.2146 |
| 0.95 | 246.0 | 0.1788 | 0.2645 |
| 0.95 | 258.0 | 0.3312 | 0.253 |
| 0.95 | 270.0 | -0.3122 | 0.2384 |
| 0.95 | 282.0 | -0.116 | 0.2043 |
| 0.95 | 294.0 | 0.1258 | 0.1789 |
| 0.95 | 306.0 | 0.4256 | 0.2043 |
Experiment comment: