Measurement E151M3060
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1841 | |
| Q2: | 0.1435 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8508 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.3829 | 0.2474 |
| 0.25 | 66.0 | 0.211 | 0.2609 |
| 0.25 | 78.0 | -0.0366 | 0.2214 |
| 0.25 | 282.0 | 0.1359 | 0.2649 |
| 0.25 | 294.0 | -0.2007 | 0.2282 |
| 0.35 | 66.0 | -0.4916 | 0.2121 |
| 0.35 | 78.0 | 0.4673 | 0.199 |
| 0.35 | 270.0 | 0.5085 | 0.2488 |
| 0.35 | 282.0 | -0.0267 | 0.2276 |
| 0.35 | 294.0 | 0.0938 | 0.2506 |
| 0.35 | 306.0 | -0.152 | 0.2728 |
| 0.45 | 66.0 | 0.0206 | 0.2699 |
| 0.45 | 78.0 | -0.1355 | 0.2232 |
| 0.45 | 270.0 | -0.3677 | 0.2095 |
| 0.45 | 282.0 | -0.1041 | 0.1978 |
| 0.45 | 294.0 | 0.1367 | 0.2178 |
| 0.55 | 66.0 | 0.5456 | 0.2287 |
| 0.55 | 78.0 | 0.3291 | 0.2539 |
| 0.55 | 102.0 | -0.1453 | 0.2729 |
| 0.55 | 114.0 | 0.1486 | 0.2306 |
| 0.55 | 126.0 | -0.151 | 0.2605 |
| 0.55 | 270.0 | 0.0714 | 0.2701 |
| 0.55 | 282.0 | 0.2219 | 0.2378 |
| 0.55 | 306.0 | -0.0459 | 0.2526 |
| 0.65 | 102.0 | 0.273 | 0.2121 |
| 0.65 | 114.0 | -0.0917 | 0.1954 |
| 0.65 | 126.0 | 0.059 | 0.215 |
| 0.65 | 138.0 | 0.2772 | 0.2334 |
| 0.65 | 210.0 | 0.5666 | 0.214 |
| 0.65 | 222.0 | 0.159 | 0.2261 |
| 0.65 | 234.0 | -0.0565 | 0.2093 |
| 0.65 | 246.0 | 0.1326 | 0.2372 |
| 0.65 | 294.0 | -0.2 | 0.2042 |
| 0.65 | 306.0 | -0.3288 | 0.237 |
| 0.75 | 102.0 | -0.2009 | 0.1881 |
| 0.75 | 114.0 | -0.0949 | 0.201 |
| 0.75 | 126.0 | 0.0821 | 0.1809 |
| 0.75 | 138.0 | -0.026 | 0.2416 |
| 0.75 | 210.0 | 0.1318 | 0.2069 |
| 0.75 | 222.0 | -0.3454 | 0.192 |
| 0.75 | 234.0 | -0.3779 | 0.1713 |
| 0.75 | 246.0 | 0.1567 | 0.1786 |
| 0.75 | 258.0 | -0.087 | 0.2196 |
| 0.75 | 294.0 | -0.4153 | 0.207 |
| 0.85 | 78.0 | 0.4528 | 0.2189 |
| 0.85 | 90.0 | 0.3278 | 0.2101 |
| 0.85 | 114.0 | -0.4667 | 0.2519 |
| 0.85 | 126.0 | -0.2377 | 0.2008 |
| 0.85 | 138.0 | -0.3124 | 0.2264 |
| 0.85 | 198.0 | 0.0207 | 0.2563 |
| 0.85 | 210.0 | 0.0134 | 0.2473 |
| 0.85 | 222.0 | -0.3757 | 0.2032 |
| 0.85 | 234.0 | -0.7074 | 0.142 |
| 0.85 | 246.0 | -0.0304 | 0.17 |
| 0.85 | 258.0 | -0.2465 | 0.1822 |
| 0.85 | 270.0 | -0.2903 | 0.2316 |
| 0.95 | 222.0 | -0.1333 | 0.2427 |
| 0.95 | 234.0 | 0.097 | 0.2299 |
| 0.95 | 246.0 | 0.373 | 0.1894 |
| 0.95 | 258.0 | -0.1774 | 0.2224 |
| 0.95 | 270.0 | -0.3454 | 0.2102 |
Experiment comment: