Measurement E151M3439
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.6269 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9498 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| -0.05 | 306.0 | -0.2825 | 0.2483 |
| 0.05 | 54.0 | 0.3451 | 0.2445 |
| 0.05 | 66.0 | 0.1782 | 0.2651 |
| 0.05 | 294.0 | -0.0131 | 0.2783 |
| 0.05 | 306.0 | -0.2702 | 0.2213 |
| 0.15 | 54.0 | 0.3077 | 0.2702 |
| 0.15 | 66.0 | -0.2862 | 0.2066 |
| 0.15 | 294.0 | -0.0828 | 0.275 |
| 0.15 | 306.0 | 0.2059 | 0.2478 |
| 0.25 | 54.0 | 0.1599 | 0.2602 |
| 0.25 | 66.0 | 0.0826 | 0.2277 |
| 0.25 | 294.0 | -0.4384 | 0.2144 |
| 0.25 | 306.0 | 0.0226 | 0.2744 |
| 0.35 | 54.0 | 0.1224 | 0.243 |
| 0.35 | 66.0 | -0.3188 | 0.2531 |
| 0.35 | 282.0 | -0.138 | 0.2632 |
| 0.35 | 294.0 | 0.1703 | 0.2804 |
| 0.45 | 54.0 | -0.3026 | 0.2544 |
| 0.45 | 90.0 | 0.1392 | 0.2758 |
| 0.55 | 78.0 | 0.2171 | 0.2189 |
| 0.55 | 90.0 | -0.2689 | 0.2023 |
| 0.55 | 102.0 | -0.0991 | 0.2424 |
| 0.55 | 270.0 | -0.0104 | 0.2392 |
| 0.55 | 282.0 | 0.6226 | 0.1803 |
| 0.65 | 66.0 | 0.0052 | 0.2215 |
| 0.65 | 78.0 | -0.0607 | 0.1607 |
| 0.65 | 90.0 | 0.1048 | 0.1576 |
| 0.65 | 102.0 | -0.3712 | 0.1602 |
| 0.65 | 114.0 | 0.1196 | 0.2326 |
| 0.65 | 258.0 | -0.0073 | 0.2046 |
| 0.65 | 270.0 | 0.0312 | 0.1703 |
| 0.65 | 282.0 | 0.0718 | 0.1623 |
| 0.65 | 294.0 | 0.4357 | 0.2237 |
| 0.75 | 54.0 | 0.184 | 0.2185 |
| 0.75 | 66.0 | -0.1782 | 0.2444 |
| 0.75 | 78.0 | -0.09 | 0.1445 |
| 0.75 | 90.0 | 0.2382 | 0.1369 |
| 0.75 | 102.0 | 0.0488 | 0.154 |
| 0.75 | 114.0 | 0.2743 | 0.1623 |
| 0.75 | 126.0 | -0.2256 | 0.244 |
| 0.75 | 234.0 | 0.3333 | 0.2196 |
| 0.75 | 246.0 | 0.0442 | 0.1788 |
| 0.75 | 258.0 | 0.0459 | 0.1519 |
| 0.75 | 270.0 | -0.0732 | 0.149 |
| 0.75 | 282.0 | 0.0209 | 0.1619 |
| 0.75 | 294.0 | 0.0552 | 0.1804 |
| 0.75 | 306.0 | 0.1353 | 0.2097 |
| 0.85 | 42.0 | -0.2432 | 0.245 |
| 0.85 | 54.0 | 0.3708 | 0.2036 |
| 0.85 | 66.0 | 0.1198 | 0.2541 |
| 0.85 | 78.0 | -0.0205 | 0.1325 |
| 0.85 | 90.0 | -0.0214 | 0.1221 |
| 0.85 | 102.0 | -0.0284 | 0.1401 |
| 0.85 | 114.0 | 0.0217 | 0.1548 |
| 0.85 | 126.0 | 0.2037 | 0.1992 |
| 0.85 | 138.0 | 0.2071 | 0.245 |
| 0.85 | 210.0 | -0.3911 | 0.2048 |
| 0.85 | 222.0 | 0.0814 | 0.2176 |
| 0.85 | 234.0 | 0.1332 | 0.165 |
| 0.85 | 246.0 | 0.0392 | 0.1588 |
| 0.85 | 258.0 | 0.0913 | 0.1364 |
| 0.85 | 270.0 | -0.0981 | 0.1318 |
| 0.85 | 282.0 | -0.1065 | 0.1393 |
| 0.85 | 294.0 | -0.2056 | 0.1325 |
| 0.85 | 306.0 | -0.1029 | 0.1437 |
| 0.85 | 318.0 | 0.1087 | 0.2122 |
| 0.95 | 66.0 | -0.452 | 0.2252 |
| 0.95 | 78.0 | 0.2495 | 0.1871 |
| 0.95 | 90.0 | -0.1268 | 0.1879 |
| 0.95 | 102.0 | 0.0885 | 0.1633 |
| 0.95 | 114.0 | -0.0446 | 0.1869 |
| 0.95 | 126.0 | 0.1993 | 0.208 |
| 0.95 | 138.0 | 0.114 | 0.249 |
| 0.95 | 150.0 | -0.325 | 0.2501 |
| 0.95 | 186.0 | 0.2639 | 0.2476 |
| 0.95 | 198.0 | -0.3589 | 0.2294 |
| 0.95 | 210.0 | 0.2156 | 0.2317 |
| 0.95 | 222.0 | -0.2469 | 0.2004 |
| 0.95 | 234.0 | -0.2218 | 0.1798 |
| 0.95 | 246.0 | -0.2193 | 0.1684 |
| 0.95 | 258.0 | 0.0143 | 0.1668 |
| 0.95 | 270.0 | -0.1702 | 0.1656 |
| 0.95 | 282.0 | -0.0405 | 0.1579 |
| 0.95 | 294.0 | -0.1282 | 0.1714 |
| 0.95 | 306.0 | 0.1475 | 0.1534 |
| 0.95 | 318.0 | -0.2462 | 0.1915 |
| 0.95 | 330.0 | 0.1917 | 0.2186 |
| 0.95 | 342.0 | -0.4603 | 0.2301 |
Experiment comment: