Measurement E151M3330
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0718 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8664 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 282.0 | -0.1978 | 0.243 |
| 0.55 | 114.0 | 0.5624 | 0.2087 |
| 0.55 | 126.0 | -0.1872 | 0.1979 |
| 0.55 | 210.0 | -0.0673 | 0.2578 |
| 0.55 | 258.0 | 0.5203 | 0.2582 |
| 0.65 | 66.0 | 0.2823 | 0.2193 |
| 0.65 | 114.0 | -0.4447 | 0.2389 |
| 0.65 | 126.0 | -0.0153 | 0.2324 |
| 0.65 | 138.0 | 0.2445 | 0.2099 |
| 0.65 | 210.0 | -0.2608 | 0.2178 |
| 0.65 | 222.0 | -0.0309 | 0.1982 |
| 0.65 | 294.0 | -0.0478 | 0.2317 |
| 0.75 | 126.0 | -0.0497 | 0.2013 |
| 0.75 | 138.0 | 0.1765 | 0.2127 |
| 0.75 | 150.0 | -0.4674 | 0.2208 |
| 0.75 | 210.0 | 0.1137 | 0.2237 |
| 0.75 | 222.0 | 0.4159 | 0.2391 |
| 0.75 | 234.0 | 0.476 | 0.212 |
| 0.75 | 270.0 | 0.1636 | 0.2454 |
| 0.75 | 282.0 | -0.2494 | 0.2435 |
| 0.75 | 294.0 | -0.1161 | 0.2125 |
| 0.85 | 102.0 | 0.4313 | 0.2219 |
| 0.85 | 114.0 | -0.3255 | 0.2121 |
| 0.85 | 210.0 | 0.06 | 0.2084 |
| 0.85 | 222.0 | -0.1523 | 0.2074 |
| 0.85 | 234.0 | -0.0201 | 0.227 |
| 0.85 | 246.0 | -0.0417 | 0.2455 |
| 0.85 | 270.0 | -0.1627 | 0.2388 |
| 0.95 | 222.0 | -0.4438 | 0.2371 |
| 0.95 | 234.0 | 0.0873 | 0.2487 |
| 0.35 | 282.0 | -0.1904 | 0.2436 |
| 0.45 | 126.0 | 0.4116 | 0.2386 |
| 0.45 | 282.0 | 0.4933 | 0.184 |
| 0.55 | 126.0 | 0.2874 | 0.2199 |
| 0.55 | 138.0 | -0.2346 | 0.216 |
| 0.55 | 270.0 | 0.1085 | 0.2382 |
| 0.65 | 114.0 | -0.3543 | 0.1828 |
| 0.65 | 126.0 | 0.079 | 0.2036 |
| 0.65 | 210.0 | -0.1719 | 0.245 |
| 0.65 | 234.0 | -0.148 | 0.2151 |
| 0.65 | 282.0 | 0.5037 | 0.2122 |
| 0.65 | 294.0 | -0.0108 | 0.2266 |
| 0.75 | 114.0 | 0.06 | 0.259 |
| 0.75 | 126.0 | 0.0631 | 0.2015 |
| 0.75 | 138.0 | 0.2328 | 0.204 |
| 0.75 | 198.0 | -0.0225 | 0.2384 |
| 0.75 | 210.0 | -0.2455 | 0.234 |
| 0.75 | 222.0 | 0.2578 | 0.2129 |
| 0.75 | 234.0 | 0.0296 | 0.2221 |
| 0.75 | 270.0 | -0.4635 | 0.2405 |
| 0.75 | 282.0 | 0.2878 | 0.1858 |
| 0.85 | 90.0 | 0.063 | 0.2605 |
| 0.85 | 102.0 | 0.2486 | 0.1762 |
| 0.85 | 114.0 | -0.2143 | 0.1972 |
| 0.85 | 198.0 | -0.0344 | 0.2261 |
| 0.85 | 210.0 | -0.2206 | 0.1971 |
| 0.85 | 222.0 | 0.2637 | 0.1836 |
| 0.85 | 234.0 | 0.0428 | 0.2224 |
| 0.85 | 246.0 | -0.1269 | 0.2114 |
Experiment comment: