Measurement E151M3043
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1609 | |
| Q2: | 0.101 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8822 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | -0.5701 | 0.2237 |
| 0.15 | 66.0 | -0.1205 | 0.2393 |
| 0.15 | 294.0 | -0.4609 | 0.2523 |
| 0.25 | 66.0 | -0.4177 | 0.159 |
| 0.25 | 78.0 | -0.6236 | 0.1748 |
| 0.25 | 282.0 | -0.2081 | 0.2618 |
| 0.25 | 294.0 | 0.0533 | 0.1856 |
| 0.35 | 66.0 | 0.1018 | 0.1958 |
| 0.35 | 78.0 | -0.0564 | 0.1769 |
| 0.35 | 270.0 | 0.0127 | 0.267 |
| 0.35 | 282.0 | 0.4525 | 0.2103 |
| 0.35 | 294.0 | 0.1734 | 0.1765 |
| 0.35 | 306.0 | -0.3302 | 0.2595 |
| 0.45 | 66.0 | 0.3449 | 0.2235 |
| 0.45 | 78.0 | 0.0047 | 0.1844 |
| 0.45 | 90.0 | -0.0372 | 0.2403 |
| 0.45 | 270.0 | -0.1102 | 0.2236 |
| 0.45 | 282.0 | 0.002 | 0.1621 |
| 0.45 | 294.0 | 0.4159 | 0.1632 |
| 0.55 | 66.0 | -0.0135 | 0.241 |
| 0.55 | 78.0 | -0.2073 | 0.2209 |
| 0.55 | 102.0 | -0.1508 | 0.223 |
| 0.55 | 114.0 | 0.3304 | 0.1751 |
| 0.55 | 126.0 | -0.2352 | 0.2031 |
| 0.55 | 234.0 | -0.3572 | 0.2105 |
| 0.55 | 246.0 | -0.018 | 0.2845 |
| 0.55 | 258.0 | -0.2409 | 0.249 |
| 0.55 | 270.0 | -0.0766 | 0.199 |
| 0.55 | 282.0 | -0.045 | 0.1701 |
| 0.55 | 294.0 | 0.0139 | 0.2428 |
| 0.55 | 306.0 | 0.1038 | 0.2565 |
| 0.65 | 54.0 | 0.3624 | 0.2363 |
| 0.65 | 66.0 | 0.0567 | 0.1951 |
| 0.65 | 78.0 | 0.1086 | 0.2986 |
| 0.65 | 90.0 | 0.3734 | 0.244 |
| 0.65 | 102.0 | -0.1337 | 0.1888 |
| 0.65 | 114.0 | 0.2156 | 0.1667 |
| 0.65 | 126.0 | -0.0645 | 0.1732 |
| 0.65 | 138.0 | 0.0386 | 0.2587 |
| 0.65 | 150.0 | 0.1333 | 0.2414 |
| 0.65 | 210.0 | 0.3078 | 0.2075 |
| 0.65 | 222.0 | 0.1608 | 0.2265 |
| 0.65 | 234.0 | 0.0394 | 0.1907 |
| 0.65 | 246.0 | -0.0424 | 0.1939 |
| 0.65 | 258.0 | 0.559 | 0.1899 |
| 0.65 | 270.0 | 0.1069 | 0.2308 |
| 0.65 | 294.0 | 0.0491 | 0.1818 |
| 0.65 | 306.0 | 0.1623 | 0.2393 |
| 0.75 | 102.0 | -0.0775 | 0.1807 |
| 0.75 | 114.0 | 0.2646 | 0.1824 |
| 0.75 | 126.0 | 0.1308 | 0.1656 |
| 0.75 | 138.0 | 0.1136 | 0.1868 |
| 0.75 | 150.0 | -0.0445 | 0.2252 |
| 0.75 | 198.0 | 0.0636 | 0.2575 |
| 0.75 | 210.0 | 0.221 | 0.2232 |
| 0.75 | 222.0 | -0.0849 | 0.232 |
| 0.75 | 234.0 | -0.1418 | 0.1704 |
| 0.75 | 246.0 | -0.1043 | 0.1623 |
| 0.75 | 258.0 | 0.0549 | 0.1678 |
| 0.75 | 270.0 | -0.2639 | 0.2533 |
| 0.75 | 282.0 | 0.2525 | 0.2402 |
| 0.85 | 90.0 | 0.3544 | 0.1959 |
| 0.85 | 102.0 | -0.1693 | 0.207 |
| 0.85 | 114.0 | 0.3493 | 0.2117 |
| 0.85 | 126.0 | 0.2147 | 0.1893 |
| 0.85 | 138.0 | 0.0395 | 0.2237 |
| 0.85 | 150.0 | -0.2436 | 0.2182 |
| 0.85 | 198.0 | 0.5962 | 0.2263 |
| 0.85 | 210.0 | -0.3641 | 0.1883 |
| 0.85 | 222.0 | -0.0343 | 0.1777 |
| 0.85 | 234.0 | 0.0072 | 0.1511 |
| 0.85 | 246.0 | -0.4128 | 0.131 |
| 0.85 | 258.0 | -0.3979 | 0.1487 |
| 0.85 | 270.0 | -0.1374 | 0.2038 |
| 0.95 | 102.0 | -0.017 | 0.2803 |
| 0.95 | 210.0 | -0.1401 | 0.2558 |
| 0.95 | 222.0 | 0.1088 | 0.2223 |
| 0.95 | 234.0 | -0.005 | 0.2175 |
| 0.95 | 246.0 | -0.2722 | 0.2175 |
| 0.95 | 258.0 | 0.4249 | 0.1787 |
| 0.95 | 270.0 | 0.5689 | 0.2176 |
Experiment comment: