Measurement E151M2741
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1278 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 1.3383 GeV | |
| ε: | 0.8685 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 30.0 | -0.2961 | 0.2584 |
| 0.25 | 42.0 | 0.0653 | 0.2016 |
| 0.35 | 18.0 | -0.4654 | 0.2216 |
| 0.35 | 30.0 | 0.152 | 0.2617 |
| 0.45 | 30.0 | 0.0868 | 0.2504 |
| 0.45 | 42.0 | 0.325 | 0.2459 |
| 0.55 | 234.0 | -0.0052 | 0.2346 |
| 0.55 | 258.0 | -0.0177 | 0.2573 |
| 0.65 | 126.0 | 0.0711 | 0.2193 |
| 0.65 | 138.0 | 0.0023 | 0.1955 |
| 0.65 | 150.0 | -0.1381 | 0.2635 |
| 0.65 | 222.0 | 0.1157 | 0.2381 |
| 0.65 | 234.0 | 0.2615 | 0.182 |
| 0.65 | 246.0 | 0.0278 | 0.1813 |
| 0.65 | 258.0 | -0.0445 | 0.1889 |
| 0.75 | 114.0 | -0.0615 | 0.2188 |
| 0.75 | 126.0 | 0.6169 | 0.1632 |
| 0.75 | 138.0 | 0.202 | 0.1743 |
| 0.75 | 150.0 | 0.35 | 0.2138 |
| 0.75 | 162.0 | 0.3369 | 0.1983 |
| 0.75 | 210.0 | 0.0052 | 0.2688 |
| 0.75 | 222.0 | 0.2296 | 0.2114 |
| 0.75 | 234.0 | -0.0225 | 0.1777 |
| 0.75 | 246.0 | -0.0646 | 0.1622 |
| 0.75 | 258.0 | -0.323 | 0.1676 |
| 0.75 | 270.0 | 0.2393 | 0.1958 |
| 0.85 | 102.0 | 0.6452 | 0.2383 |
| 0.85 | 126.0 | -0.0193 | 0.215 |
| 0.85 | 138.0 | 0.0491 | 0.1974 |
| 0.85 | 150.0 | -0.0089 | 0.1997 |
| 0.85 | 162.0 | -0.1487 | 0.2452 |
| 0.85 | 222.0 | 0.2726 | 0.2157 |
| 0.85 | 234.0 | -0.0927 | 0.1938 |
| 0.85 | 246.0 | 0.0769 | 0.1748 |
| 0.85 | 258.0 | 0.0672 | 0.1392 |
| 0.85 | 270.0 | 0.3012 | 0.1675 |
| 0.85 | 282.0 | -0.2095 | 0.2452 |
| 0.95 | 114.0 | 0.0638 | 0.2245 |
| 0.95 | 126.0 | 0.2845 | 0.239 |
| 0.95 | 138.0 | -0.1521 | 0.2584 |
| 0.95 | 222.0 | -0.1616 | 0.2728 |
| 0.95 | 234.0 | 0.0856 | 0.2364 |
| 0.95 | 246.0 | -0.108 | 0.2049 |
| 0.95 | 258.0 | 0.2731 | 0.2114 |
| 0.95 | 270.0 | -0.3856 | 0.2411 |
| 0.35 | 42.0 | 0.1898 | 0.4056 |
| 0.45 | 30.0 | 0.2457 | 0.3175 |
| 0.45 | 42.0 | -0.0414 | 0.3145 |
| 0.55 | 234.0 | 0.0868 | 0.33 |
| 0.55 | 246.0 | 0.1478 | 0.3461 |
| 0.55 | 258.0 | 0.0802 | 0.2968 |
| 0.65 | 126.0 | 0.1631 | 0.2726 |
| 0.65 | 138.0 | 0.1163 | 0.2791 |
| 0.65 | 150.0 | 0.0263 | 0.3376 |
| 0.65 | 162.0 | 0.1385 | 0.4108 |
| 0.65 | 222.0 | -0.4922 | 0.2798 |
| 0.65 | 234.0 | 0.3922 | 0.1944 |
| 0.65 | 246.0 | -0.3307 | 0.2174 |
| 0.65 | 258.0 | 0.0783 | 0.2593 |
| 0.75 | 114.0 | -0.5926 | 0.2624 |
| 0.75 | 126.0 | 0.2998 | 0.2407 |
| 0.75 | 138.0 | -0.3681 | 0.2729 |
| 0.75 | 150.0 | -0.3641 | 0.279 |
| 0.75 | 162.0 | 0.2574 | 0.3144 |
| 0.75 | 222.0 | -0.3837 | 0.2457 |
| 0.75 | 234.0 | -0.3374 | 0.2349 |
| 0.75 | 246.0 | 0.4908 | 0.1669 |
| 0.75 | 258.0 | -0.132 | 0.2261 |
| 0.75 | 270.0 | -0.0884 | 0.3398 |
| 0.85 | 114.0 | -0.4642 | 0.3019 |
| 0.85 | 126.0 | -0.1567 | 0.3228 |
| 0.85 | 138.0 | -0.3448 | 0.3509 |
| 0.85 | 150.0 | 0.1583 | 0.3399 |
| 0.85 | 162.0 | 0.3399 | 0.3506 |
| 0.85 | 210.0 | -0.0849 | 0.3751 |
| 0.85 | 222.0 | 0.3362 | 0.3152 |
| 0.85 | 234.0 | -0.1348 | 0.2993 |
| 0.85 | 246.0 | 0.3158 | 0.2028 |
| 0.85 | 258.0 | -0.2634 | 0.2322 |
| 0.85 | 270.0 | 0.4132 | 0.2058 |
| 0.95 | 126.0 | 0.122 | 0.4009 |
| 0.95 | 222.0 | 0.2629 | 0.334 |
| 0.95 | 234.0 | -0.0311 | 0.3504 |
| 0.95 | 246.0 | 0.4033 | 0.2786 |
| 0.95 | 258.0 | -0.8785 | 0.1143 |
| 0.95 | 270.0 | -0.0508 | 0.3648 |
Experiment comment: