Measurement E151M2005
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.4436 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1355.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.933 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.2512 | 0.5788 |
| 0.45 | 282.0 | 0.5582 | 0.6255 |
| 0.55 | 270.0 | 0.009 | 0.7002 |
| 0.65 | 102.0 | 0.2139 | 0.6276 |
| 0.65 | 114.0 | 0.3416 | 0.7335 |
| 0.65 | 270.0 | 0.3447 | 0.6532 |
| 0.75 | 90.0 | 0.8581 | 0.6019 |
| 0.75 | 102.0 | 0.5232 | 0.5986 |
| 0.75 | 114.0 | 0.3757 | 0.6593 |
| 0.75 | 126.0 | -0.5234 | 0.7438 |
| 0.75 | 246.0 | 0.2117 | 0.6412 |
| 0.75 | 258.0 | 1.4467 | 0.5905 |
| 0.75 | 270.0 | -0.1257 | 0.5721 |
| 0.75 | 282.0 | 1.0789 | 0.6686 |
| 0.85 | 66.0 | 0.0689 | 0.6548 |
| 0.85 | 90.0 | 0.5297 | 0.7795 |
| 0.85 | 102.0 | 0.5956 | 0.6196 |
| 0.85 | 114.0 | 0.2841 | 0.6292 |
| 0.85 | 126.0 | -0.7204 | 0.7274 |
| 0.85 | 222.0 | 0.7116 | 0.9051 |
| 0.85 | 234.0 | -1.4257 | 0.6673 |
| 0.85 | 246.0 | 0.6803 | 0.6959 |
| 0.85 | 258.0 | 0.6174 | 0.5406 |
| 0.85 | 270.0 | 0.0375 | 0.5997 |
| 0.85 | 282.0 | 0.852 | 0.541 |
| 0.85 | 294.0 | 0.5492 | 0.6657 |
| 0.95 | 102.0 | 1.0842 | 1.1204 |
| 0.95 | 114.0 | 1.4023 | 1.0775 |
| 0.95 | 234.0 | 2.1875 | 1.0167 |
| 0.95 | 258.0 | -1.5279 | 1.2033 |
| 0.95 | 270.0 | 0.3378 | 1.0571 |
| 0.95 | 282.0 | 1.7144 | 0.8549 |
| 0.95 | 294.0 | -0.6611 | 0.9593 |
| 0.25 | 294.0 | -0.1475 | 1.1743 |
| 0.25 | 306.0 | -0.601 | 1.1377 |
| 0.45 | 66.0 | -1.4737 | 1.3459 |
| 0.65 | 102.0 | 0.0168 | 1.4317 |
| 0.65 | 270.0 | 0.842 | 1.2017 |
| 0.75 | 90.0 | -0.8811 | 1.3928 |
| 0.75 | 102.0 | 1.8075 | 1.3588 |
| 0.75 | 114.0 | -0.5969 | 1.4399 |
| 0.75 | 234.0 | 2.9421 | 1.283 |
| 0.75 | 246.0 | 0.4156 | 1.2696 |
| 0.75 | 258.0 | 0.1532 | 1.0756 |
| 0.75 | 270.0 | 2.3077 | 0.9722 |
| 0.75 | 282.0 | -0.5515 | 1.274 |
| 0.85 | 90.0 | -1.1601 | 1.4994 |
| 0.85 | 102.0 | 1.0578 | 1.4858 |
| 0.85 | 114.0 | 0.7209 | 1.3039 |
| 0.85 | 126.0 | -0.3008 | 1.4965 |
| 0.85 | 222.0 | -0.7109 | 1.5677 |
| 0.85 | 234.0 | -0.6112 | 1.3451 |
| 0.85 | 246.0 | 2.1427 | 1.1787 |
| 0.85 | 258.0 | -1.4137 | 1.114 |
| 0.85 | 270.0 | 0.714 | 0.9973 |
| 0.85 | 282.0 | 0.3226 | 1.3467 |
| 0.85 | 294.0 | -0.0308 | 1.1654 |
| 0.95 | 114.0 | 7.4616 | 4.3746 |
| 0.95 | 234.0 | 1.6587 | 4.5616 |
| 0.95 | 258.0 | -5.0609 | 3.8163 |
| 0.95 | 270.0 | -2.0735 | 3.4361 |
| 0.95 | 282.0 | -1.8543 | 3.0693 |
| 0.95 | 294.0 | 0.8602 | 3.382 |
Experiment comment: