Measurement E151M3329
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.0611 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1595.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8699 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.45 | 78.0 | 0.1326 | 0.2542 |
| 0.45 | 270.0 | 0.5581 | 0.2048 |
| 0.45 | 282.0 | 0.2169 | 0.2375 |
| 0.55 | 102.0 | 0.0906 | 0.2664 |
| 0.55 | 114.0 | -0.0403 | 0.2477 |
| 0.55 | 138.0 | -0.1308 | 0.2337 |
| 0.55 | 270.0 | -0.3813 | 0.2459 |
| 0.55 | 282.0 | -0.0061 | 0.2637 |
| 0.65 | 114.0 | 0.003 | 0.2427 |
| 0.65 | 126.0 | 0.1051 | 0.2311 |
| 0.65 | 138.0 | 0.1783 | 0.2286 |
| 0.65 | 210.0 | -0.1539 | 0.2628 |
| 0.65 | 222.0 | -0.136 | 0.2557 |
| 0.65 | 246.0 | -0.2904 | 0.2533 |
| 0.65 | 294.0 | 0.0639 | 0.256 |
| 0.75 | 66.0 | -0.0942 | 0.2502 |
| 0.75 | 114.0 | 0.0056 | 0.2529 |
| 0.75 | 126.0 | -0.0433 | 0.253 |
| 0.75 | 210.0 | 0.1771 | 0.1948 |
| 0.75 | 222.0 | -0.0246 | 0.2372 |
| 0.75 | 234.0 | -0.1133 | 0.2283 |
| 0.75 | 270.0 | -0.3783 | 0.2297 |
| 0.75 | 282.0 | -0.4542 | 0.1721 |
| 0.75 | 294.0 | 0.1508 | 0.2527 |
| 0.85 | 102.0 | 0.1117 | 0.2215 |
| 0.85 | 114.0 | -0.0827 | 0.2033 |
| 0.85 | 210.0 | 0.1081 | 0.2068 |
| 0.85 | 222.0 | 0.0519 | 0.2184 |
| 0.85 | 234.0 | 0.1981 | 0.23 |
| 0.35 | 78.0 | -0.4875 | 0.2121 |
| 0.45 | 78.0 | -0.1363 | 0.2544 |
| 0.45 | 126.0 | 0.2375 | 0.219 |
| 0.45 | 258.0 | -0.0699 | 0.2211 |
| 0.45 | 270.0 | -0.0032 | 0.2279 |
| 0.45 | 282.0 | -0.0042 | 0.1998 |
| 0.55 | 126.0 | 0.084 | 0.2088 |
| 0.55 | 138.0 | 0.3138 | 0.2297 |
| 0.55 | 210.0 | 0.0859 | 0.2397 |
| 0.55 | 246.0 | -0.0766 | 0.2296 |
| 0.55 | 258.0 | 0.152 | 0.2588 |
| 0.55 | 270.0 | 0.2502 | 0.2219 |
| 0.65 | 114.0 | -0.307 | 0.2428 |
| 0.65 | 126.0 | -0.1493 | 0.2139 |
| 0.65 | 138.0 | -0.2892 | 0.1962 |
| 0.65 | 222.0 | 0.1789 | 0.2406 |
| 0.65 | 234.0 | 0.2011 | 0.2451 |
| 0.65 | 246.0 | 0.3542 | 0.1994 |
| 0.65 | 282.0 | 0.6233 | 0.1998 |
| 0.75 | 126.0 | -0.3403 | 0.2057 |
| 0.75 | 138.0 | -0.1691 | 0.2299 |
| 0.75 | 198.0 | -0.1975 | 0.2453 |
| 0.75 | 210.0 | 0.0718 | 0.2383 |
| 0.75 | 222.0 | 0.3083 | 0.2114 |
| 0.75 | 246.0 | 0.1425 | 0.2584 |
| 0.75 | 270.0 | 0.1698 | 0.1966 |
| 0.75 | 282.0 | 0.223 | 0.1887 |
| 0.75 | 294.0 | -0.0724 | 0.2453 |
| 0.85 | 102.0 | 0.0251 | 0.2049 |
| 0.85 | 114.0 | 0.0084 | 0.1964 |
| 0.85 | 210.0 | -0.0166 | 0.2182 |
| 0.85 | 222.0 | -0.6566 | 0.1569 |
| 0.85 | 234.0 | 0.6492 | 0.1904 |
| 0.85 | 246.0 | 0.0825 | 0.2488 |
| 0.85 | 282.0 | -0.2812 | 0.2462 |
Experiment comment: