Measurement E151M3074
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.1401 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8411 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.2771 | 0.2565 |
| 0.25 | 78.0 | -0.0232 | 0.2669 |
| 0.25 | 294.0 | 0.1701 | 0.2791 |
| 0.35 | 66.0 | -0.1567 | 0.274 |
| 0.35 | 282.0 | -0.096 | 0.2245 |
| 0.45 | 78.0 | -0.0431 | 0.2425 |
| 0.45 | 114.0 | -0.0005 | 0.2356 |
| 0.45 | 270.0 | -0.1163 | 0.2301 |
| 0.45 | 282.0 | -0.0835 | 0.2181 |
| 0.45 | 294.0 | 0.1656 | 0.2631 |
| 0.55 | 114.0 | -0.2948 | 0.2293 |
| 0.55 | 234.0 | -0.1067 | 0.2414 |
| 0.55 | 246.0 | 0.2323 | 0.2542 |
| 0.55 | 270.0 | 0.378 | 0.2886 |
| 0.55 | 282.0 | -0.2605 | 0.2455 |
| 0.65 | 66.0 | -0.1449 | 0.2302 |
| 0.65 | 102.0 | -0.0506 | 0.2475 |
| 0.65 | 114.0 | -0.3618 | 0.2033 |
| 0.65 | 126.0 | -0.1864 | 0.2117 |
| 0.65 | 138.0 | -0.1594 | 0.2764 |
| 0.65 | 150.0 | 0.3842 | 0.2564 |
| 0.65 | 198.0 | -0.1732 | 0.2792 |
| 0.65 | 210.0 | 0.2198 | 0.2655 |
| 0.65 | 222.0 | -0.1188 | 0.2264 |
| 0.65 | 234.0 | 0.1995 | 0.2005 |
| 0.65 | 246.0 | -0.3427 | 0.2547 |
| 0.65 | 294.0 | 0.4183 | 0.2224 |
| 0.75 | 102.0 | -0.0214 | 0.2782 |
| 0.75 | 114.0 | 0.408 | 0.2148 |
| 0.75 | 126.0 | 0.2251 | 0.2148 |
| 0.75 | 138.0 | -0.0741 | 0.2038 |
| 0.75 | 150.0 | 0.7216 | 0.2075 |
| 0.75 | 198.0 | -0.3476 | 0.214 |
| 0.75 | 210.0 | -0.0139 | 0.2063 |
| 0.75 | 222.0 | -0.0851 | 0.1864 |
| 0.75 | 234.0 | -0.2261 | 0.1773 |
| 0.75 | 246.0 | -0.2685 | 0.2501 |
| 0.75 | 258.0 | 0.0526 | 0.2686 |
| 0.75 | 282.0 | -0.0419 | 0.2705 |
| 0.75 | 294.0 | -0.4803 | 0.2211 |
| 0.85 | 90.0 | 0.5586 | 0.1648 |
| 0.85 | 102.0 | -0.5628 | 0.2229 |
| 0.85 | 138.0 | -0.2042 | 0.2718 |
| 0.85 | 198.0 | -0.0882 | 0.2448 |
| 0.85 | 210.0 | 0.109 | 0.2069 |
| 0.85 | 222.0 | 0.011 | 0.2361 |
| 0.85 | 234.0 | -0.0652 | 0.1905 |
| 0.85 | 246.0 | -0.0314 | 0.1878 |
| 0.85 | 258.0 | 0.1064 | 0.2452 |
| 0.85 | 270.0 | -0.0191 | 0.2652 |
| 0.95 | 102.0 | 0.2627 | 0.2514 |
| 0.95 | 114.0 | 0.5679 | 0.2089 |
| 0.95 | 198.0 | -0.3909 | 0.2878 |
| 0.95 | 210.0 | -0.5254 | 0.2261 |
| 0.95 | 222.0 | 0.0582 | 0.2197 |
| 0.95 | 234.0 | -0.5244 | 0.1843 |
| 0.95 | 246.0 | -0.1918 | 0.213 |
| 0.95 | 258.0 | -0.1338 | 0.2082 |
Experiment comment: