Measurement E151M1975
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.3199 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.966 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.0889 | 0.4602 |
| 0.25 | 66.0 | 0.0936 | 0.3894 |
| 0.25 | 78.0 | 0.26 | 0.5397 |
| 0.25 | 294.0 | -0.0796 | 0.4161 |
| 0.25 | 306.0 | 0.0605 | 0.3791 |
| 0.35 | 66.0 | 0.4635 | 0.3345 |
| 0.35 | 78.0 | -0.269 | 0.3425 |
| 0.35 | 282.0 | -0.044 | 0.5786 |
| 0.35 | 294.0 | -0.6088 | 0.3366 |
| 0.35 | 306.0 | 0.274 | 0.3764 |
| 0.45 | 66.0 | -0.1034 | 0.3496 |
| 0.45 | 78.0 | 0.017 | 0.3299 |
| 0.45 | 90.0 | -1.0668 | 0.5031 |
| 0.45 | 282.0 | -0.0511 | 0.4261 |
| 0.45 | 294.0 | -0.4779 | 0.3971 |
| 0.55 | 66.0 | -0.1123 | 0.5022 |
| 0.55 | 78.0 | -0.1023 | 0.354 |
| 0.55 | 90.0 | -0.1017 | 0.5129 |
| 0.55 | 270.0 | -0.133 | 0.4665 |
| 0.55 | 282.0 | -1.0259 | 0.4274 |
| 0.55 | 294.0 | 0.0283 | 0.5661 |
| 0.65 | 78.0 | 0.0266 | 0.4487 |
| 0.65 | 90.0 | -0.9069 | 0.4782 |
| 0.65 | 102.0 | -0.6326 | 0.5067 |
| 0.65 | 114.0 | -0.3716 | 0.5683 |
| 0.65 | 246.0 | 0.4378 | 0.4876 |
| 0.65 | 258.0 | 0.1909 | 0.4506 |
| 0.65 | 270.0 | -0.4656 | 0.4223 |
| 0.65 | 282.0 | -0.3451 | 0.4757 |
| 0.75 | 90.0 | 0.1193 | 0.5514 |
| 0.75 | 102.0 | -0.2959 | 0.4413 |
| 0.75 | 114.0 | -0.2037 | 0.4304 |
| 0.75 | 126.0 | -0.672 | 0.4387 |
| 0.75 | 138.0 | 0.5888 | 0.5538 |
| 0.75 | 222.0 | -0.5185 | 0.6908 |
| 0.75 | 234.0 | 0.699 | 0.4623 |
| 0.75 | 246.0 | 0.372 | 0.3731 |
| 0.75 | 258.0 | 0.0602 | 0.3748 |
| 0.75 | 270.0 | -0.1236 | 0.3768 |
| 0.75 | 282.0 | -0.9056 | 0.4893 |
| 0.85 | 102.0 | -0.001 | 0.4344 |
| 0.85 | 114.0 | -0.0495 | 0.3958 |
| 0.85 | 126.0 | 0.4203 | 0.4594 |
| 0.85 | 138.0 | 0.3818 | 0.4798 |
| 0.85 | 150.0 | -0.1122 | 0.583 |
| 0.85 | 162.0 | 0.2749 | 0.6227 |
| 0.85 | 210.0 | -0.7929 | 0.6526 |
| 0.85 | 222.0 | 0.9717 | 0.4954 |
| 0.85 | 234.0 | 0.6675 | 0.4893 |
| 0.85 | 246.0 | 0.8959 | 0.3764 |
| 0.85 | 258.0 | 0.0465 | 0.3644 |
| 0.85 | 270.0 | -0.1781 | 0.4096 |
| 0.85 | 282.0 | -0.2571 | 0.6916 |
| 0.95 | 114.0 | -1.7774 | 1.0592 |
| 0.95 | 126.0 | 0.1884 | 0.9103 |
| 0.95 | 138.0 | 0.6392 | 0.968 |
| 0.95 | 150.0 | 0.8271 | 0.9917 |
| 0.95 | 162.0 | -0.2933 | 1.0299 |
| 0.95 | 174.0 | 2.3089 | 0.9935 |
| 0.95 | 186.0 | 1.0452 | 1.2404 |
| 0.95 | 210.0 | -0.2474 | 1.121 |
| 0.95 | 222.0 | 1.2096 | 1.0255 |
| 0.95 | 234.0 | -0.0391 | 0.9641 |
| 0.95 | 246.0 | -0.3052 | 0.8847 |
| 0.95 | 258.0 | 0.5051 | 0.9909 |
| 0.95 | 270.0 | 0.4268 | 1.0076 |
| 0.45 | 306.0 | 0.2648 | 1.4127 |
| 0.55 | 66.0 | -2.0696 | 1.7555 |
| 0.55 | 78.0 | -0.8605 | 1.2848 |
| 0.55 | 90.0 | -0.4866 | 1.4873 |
| 0.55 | 270.0 | 1.7664 | 1.4063 |
| 0.55 | 282.0 | -2.5912 | 1.2942 |
| 0.55 | 294.0 | 0.987 | 1.4597 |
| 0.65 | 78.0 | 3.3834 | 1.2697 |
| 0.65 | 90.0 | 0.4438 | 1.8169 |
| 0.65 | 102.0 | 2.2633 | 1.9092 |
| 0.65 | 114.0 | 2.8515 | 1.8631 |
| 0.65 | 246.0 | 1.8779 | 1.4014 |
| 0.65 | 258.0 | 1.039 | 1.0962 |
| 0.65 | 270.0 | -2.5605 | 1.0832 |
| 0.65 | 282.0 | -1.5894 | 1.3785 |
| 0.75 | 102.0 | 1.1554 | 1.4364 |
| 0.75 | 114.0 | 0.7116 | 1.2709 |
| 0.75 | 126.0 | 0.4348 | 1.3278 |
| 0.75 | 138.0 | -3.9129 | 1.9707 |
| 0.75 | 234.0 | -1.6876 | 1.4103 |
| 0.75 | 246.0 | 1.6608 | 1.3249 |
| 0.75 | 258.0 | 2.6077 | 1.0297 |
| 0.75 | 270.0 | 2.3694 | 1.1984 |
| 0.75 | 282.0 | 0.9559 | 1.4675 |
| 0.85 | 102.0 | 0.4776 | 1.8139 |
| 0.85 | 114.0 | 2.8274 | 1.4397 |
| 0.85 | 126.0 | 1.8341 | 1.4292 |
| 0.85 | 138.0 | 0.4234 | 1.4744 |
| 0.85 | 150.0 | 0.6281 | 1.9732 |
| 0.85 | 162.0 | -3.4065 | 1.7996 |
| 0.85 | 186.0 | 0.2202 | 2.1877 |
| 0.85 | 210.0 | 3.4749 | 1.7612 |
| 0.85 | 222.0 | -3.9705 | 1.6046 |
| 0.85 | 234.0 | 0.5349 | 1.5344 |
| 0.85 | 246.0 | -1.2136 | 1.182 |
| 0.85 | 258.0 | 1.1275 | 1.0404 |
| 0.85 | 270.0 | 0.4887 | 1.385 |
| 0.95 | 114.0 | -1.273 | 5.9771 |
| 0.95 | 126.0 | 9.2483 | 4.6933 |
| 0.95 | 138.0 | 10.2521 | 5.4389 |
| 0.95 | 150.0 | -9.4063 | 6.0322 |
| 0.95 | 186.0 | 17.4312 | 1.6023 |
| 0.95 | 198.0 | 1.7637 | 5.8878 |
| 0.95 | 222.0 | -1.6363 | 5.2659 |
| 0.95 | 234.0 | 7.2067 | 4.5072 |
| 0.95 | 246.0 | -1.2227 | 4.8026 |
| 0.95 | 258.0 | 5.8464 | 4.8814 |
Experiment comment: