Measurement E151M1999
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1938 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9565 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -2.1215 | 1.2945 |
| 0.25 | 66.0 | -0.4202 | 0.4838 |
| 0.25 | 78.0 | -0.5882 | 0.5578 |
| 0.25 | 294.0 | -0.2139 | 0.4405 |
| 0.25 | 306.0 | 0.6022 | 0.4933 |
| 0.35 | 66.0 | 0.2487 | 0.4584 |
| 0.35 | 78.0 | -0.0461 | 0.4467 |
| 0.35 | 282.0 | 0.643 | 0.4722 |
| 0.35 | 294.0 | -0.056 | 0.4079 |
| 0.35 | 306.0 | 0.5921 | 0.4742 |
| 0.45 | 66.0 | 0.1225 | 0.4207 |
| 0.45 | 78.0 | 0.1255 | 0.3822 |
| 0.45 | 90.0 | -0.7934 | 0.4914 |
| 0.45 | 270.0 | -0.0926 | 0.567 |
| 0.45 | 282.0 | 0.1676 | 0.4552 |
| 0.45 | 294.0 | -0.4131 | 0.368 |
| 0.45 | 306.0 | 0.0411 | 0.5401 |
| 0.55 | 66.0 | 0.6723 | 0.4201 |
| 0.55 | 78.0 | -0.5527 | 0.4182 |
| 0.55 | 90.0 | 0.3683 | 0.5132 |
| 0.55 | 102.0 | -0.3938 | 0.6297 |
| 0.55 | 114.0 | -0.9302 | 0.6758 |
| 0.55 | 246.0 | -0.0225 | 0.8042 |
| 0.55 | 258.0 | 0.596 | 0.5842 |
| 0.55 | 270.0 | 0.3625 | 0.5171 |
| 0.55 | 282.0 | -0.1979 | 0.431 |
| 0.55 | 294.0 | -0.5504 | 0.4301 |
| 0.65 | 66.0 | -0.1809 | 0.6129 |
| 0.65 | 78.0 | 0.6913 | 0.4757 |
| 0.65 | 90.0 | 1.4346 | 0.5954 |
| 0.65 | 102.0 | 0.1485 | 0.4979 |
| 0.65 | 114.0 | 0.0315 | 0.4722 |
| 0.65 | 126.0 | 0.3574 | 0.5324 |
| 0.65 | 138.0 | 0.9443 | 0.7249 |
| 0.65 | 222.0 | 0.105 | 1.3763 |
| 0.65 | 234.0 | 0.3058 | 0.5686 |
| 0.65 | 246.0 | 0.0222 | 0.469 |
| 0.65 | 258.0 | 0.8458 | 0.468 |
| 0.65 | 270.0 | 0.4024 | 0.4666 |
| 0.75 | 90.0 | 1.5117 | 1.606 |
| 0.75 | 102.0 | 0.5515 | 1.2301 |
| 0.75 | 114.0 | -0.4258 | 0.9712 |
| 0.75 | 126.0 | -0.8803 | 0.9776 |
| 0.75 | 138.0 | -2.825 | 1.1455 |
| 0.75 | 150.0 | -0.2906 | 1.4724 |
| 0.75 | 198.0 | 0.2214 | 1.5989 |
| 0.75 | 222.0 | -2.3043 | 1.2009 |
| 0.75 | 234.0 | -0.3512 | 1.0591 |
| 0.75 | 246.0 | -0.4654 | 0.8349 |
| 0.75 | 258.0 | -0.0519 | 0.8832 |
| 0.75 | 270.0 | 1.1174 | 0.9357 |
| 0.85 | 102.0 | -2.743 | 1.6092 |
| 0.85 | 114.0 | -0.4622 | 1.3577 |
| 0.85 | 126.0 | 0.8265 | 1.1614 |
| 0.85 | 138.0 | 0.3491 | 1.304 |
| 0.85 | 150.0 | 1.272 | 1.6849 |
| 0.85 | 162.0 | 2.0581 | 1.881 |
| 0.85 | 198.0 | 1.589 | 1.7841 |
| 0.85 | 210.0 | -0.3144 | 1.5797 |
| 0.85 | 222.0 | 0.4884 | 1.1719 |
| 0.85 | 234.0 | -0.6357 | 1.0584 |
| 0.85 | 246.0 | -0.6323 | 0.8721 |
| 0.85 | 258.0 | -1.9505 | 0.7858 |
| 0.85 | 270.0 | -2.6934 | 0.8777 |
| 0.95 | 126.0 | -1.2308 | 5.3191 |
| 0.95 | 210.0 | 2.9928 | 4.3569 |
| 0.95 | 222.0 | -6.857 | 4.0692 |
| 0.95 | 234.0 | 1.7529 | 3.5829 |
| 0.95 | 246.0 | -0.0232 | 4.0153 |
| 0.95 | 258.0 | 6.5755 | 3.7236 |
| 0.65 | 282.0 | -0.0281 | 0.6364 |
| 0.75 | 90.0 | -0.7258 | 0.759 |
| 0.75 | 102.0 | 0.4989 | 0.5048 |
| 0.75 | 114.0 | 0.2252 | 0.4382 |
| 0.75 | 126.0 | 0.3903 | 0.5261 |
| 0.75 | 138.0 | -0.0544 | 0.5623 |
| 0.75 | 150.0 | -0.8921 | 0.733 |
| 0.75 | 210.0 | 0.9621 | 0.7169 |
| 0.75 | 222.0 | -0.2171 | 0.5921 |
| 0.75 | 234.0 | 0.0674 | 0.548 |
| 0.75 | 246.0 | 0.2151 | 0.4525 |
| 0.75 | 258.0 | 0.4729 | 0.464 |
| 0.75 | 270.0 | -0.3809 | 0.589 |
| 0.85 | 102.0 | -0.7516 | 0.715 |
| 0.85 | 114.0 | 0.0048 | 0.5316 |
| 0.85 | 126.0 | -0.5861 | 0.5528 |
| 0.85 | 138.0 | 1.311 | 0.6551 |
| 0.85 | 150.0 | -0.8632 | 0.6629 |
| 0.85 | 162.0 | 0.6331 | 0.9198 |
| 0.85 | 210.0 | -0.3998 | 0.7402 |
| 0.85 | 222.0 | 0.8224 | 0.576 |
| 0.85 | 234.0 | 0.4096 | 0.5235 |
| 0.85 | 246.0 | 0.011 | 0.492 |
| 0.85 | 258.0 | 0.7994 | 0.4771 |
| 0.85 | 270.0 | 0.3085 | 0.4764 |
| 0.95 | 138.0 | 1.8802 | 1.2904 |
| 0.95 | 198.0 | 1.5698 | 1.4615 |
| 0.95 | 210.0 | 0.3743 | 1.4653 |
| 0.95 | 222.0 | 0.7194 | 1.1678 |
| 0.95 | 234.0 | -0.7827 | 1.1364 |
| 0.95 | 246.0 | -0.1577 | 1.0571 |
| 0.95 | 258.0 | -0.9058 | 1.0872 |
Experiment comment: