Measurement E151M1988
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.2674 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9605 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | 0.8977 | 0.4806 |
| 0.25 | 66.0 | 0.6796 | 0.4163 |
| 0.25 | 78.0 | 0.4984 | 0.5007 |
| 0.25 | 294.0 | 0.3826 | 0.4945 |
| 0.25 | 306.0 | 0.1759 | 0.4557 |
| 0.35 | 66.0 | -0.6759 | 0.3705 |
| 0.35 | 78.0 | 0.2849 | 0.4492 |
| 0.35 | 282.0 | 1.6758 | 0.3495 |
| 0.35 | 294.0 | -0.1433 | 0.3789 |
| 0.35 | 306.0 | 0.9142 | 0.3494 |
| 0.45 | 66.0 | -0.1155 | 0.3762 |
| 0.45 | 78.0 | 0.1468 | 0.3566 |
| 0.45 | 90.0 | 0.1887 | 0.539 |
| 0.45 | 282.0 | -0.5978 | 0.4157 |
| 0.45 | 294.0 | 0.7951 | 0.3678 |
| 0.55 | 66.0 | -0.1063 | 0.4496 |
| 0.55 | 78.0 | 0.0261 | 0.3763 |
| 0.55 | 90.0 | -0.5869 | 0.4967 |
| 0.55 | 102.0 | 0.4686 | 0.6343 |
| 0.55 | 258.0 | 2.2119 | 1.3444 |
| 0.55 | 270.0 | 1.1478 | 0.5198 |
| 0.55 | 282.0 | -0.55 | 0.4914 |
| 0.55 | 294.0 | 0.2911 | 0.5297 |
| 0.65 | 78.0 | 1.2446 | 0.4573 |
| 0.65 | 90.0 | 0.1814 | 0.5734 |
| 0.65 | 102.0 | -0.0855 | 0.4933 |
| 0.65 | 114.0 | 0.4356 | 0.492 |
| 0.65 | 126.0 | 0.432 | 0.6139 |
| 0.65 | 234.0 | -0.389 | 0.5792 |
| 0.65 | 246.0 | 0.0718 | 0.5484 |
| 0.65 | 258.0 | 0.0543 | 0.4341 |
| 0.65 | 270.0 | -0.2521 | 0.4445 |
| 0.65 | 282.0 | 0.2582 | 0.458 |
| 0.75 | 90.0 | -0.162 | 0.5354 |
| 0.75 | 102.0 | -0.2919 | 0.4334 |
| 0.75 | 114.0 | -0.3265 | 0.416 |
| 0.75 | 126.0 | -0.2187 | 0.4196 |
| 0.75 | 138.0 | -0.5594 | 0.4859 |
| 0.75 | 150.0 | 2.4288 | 1.8398 |
| 0.75 | 222.0 | 0.4965 | 0.6834 |
| 0.75 | 234.0 | 0.1336 | 0.4133 |
| 0.75 | 246.0 | -0.0104 | 0.3704 |
| 0.75 | 258.0 | -0.2973 | 0.3371 |
| 0.75 | 270.0 | 0.1532 | 0.3834 |
| 0.75 | 282.0 | 0.1597 | 0.4558 |
| 0.85 | 102.0 | 0.5563 | 0.4775 |
| 0.85 | 114.0 | 0.5994 | 0.4209 |
| 0.85 | 126.0 | 0.6537 | 0.4746 |
| 0.85 | 138.0 | 1.1007 | 0.4547 |
| 0.85 | 150.0 | 0.7592 | 0.4926 |
| 0.85 | 162.0 | 1.1733 | 0.6742 |
| 0.85 | 174.0 | -1.4579 | 0.8196 |
| 0.85 | 210.0 | 0.3259 | 0.645 |
| 0.85 | 222.0 | 0.7176 | 0.4696 |
| 0.85 | 234.0 | 0.7983 | 0.4243 |
| 0.85 | 246.0 | -0.2008 | 0.3896 |
| 0.85 | 258.0 | -0.0669 | 0.3878 |
| 0.85 | 270.0 | 0.5091 | 0.4303 |
| 0.85 | 282.0 | 0.3925 | 0.5708 |
| 0.95 | 114.0 | 0.4051 | 1.1254 |
| 0.95 | 126.0 | 0.0419 | 0.9896 |
| 0.95 | 138.0 | -0.3362 | 0.9407 |
| 0.95 | 150.0 | -0.9208 | 1.0949 |
| 0.95 | 162.0 | 3.2521 | 1.1373 |
| 0.95 | 174.0 | -2.1576 | 1.3748 |
| 0.95 | 186.0 | 1.6171 | 5.4533 |
| 0.95 | 198.0 | -0.1603 | 1.0122 |
| 0.95 | 210.0 | -5.4139 | 5.0218 |
| 0.95 | 222.0 | 1.8003 | 0.8396 |
| 0.95 | 234.0 | -0.3635 | 0.9926 |
| 0.95 | 246.0 | -0.6183 | 0.8562 |
| 0.95 | 258.0 | 0.1086 | 0.8996 |
| 0.95 | 270.0 | -1.818 | 4.6531 |
Experiment comment: