Measurement E151M2260
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.265 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9441 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | -0.7776 | 0.8971 |
| 0.05 | 42.0 | -0.6531 | 0.8367 |
| 0.05 | 54.0 | -0.1485 | 0.6531 |
| 0.05 | 66.0 | 0.0525 | 0.756 |
| 0.05 | 294.0 | 0.4225 | 0.6952 |
| 0.05 | 306.0 | -0.6048 | 0.661 |
| 0.15 | 54.0 | -0.9669 | 0.5554 |
| 0.15 | 66.0 | 0.0348 | 0.4664 |
| 0.15 | 78.0 | -1.0746 | 0.7024 |
| 0.15 | 282.0 | -0.7323 | 0.6741 |
| 0.15 | 294.0 | 0.5297 | 0.5344 |
| 0.15 | 306.0 | 0.461 | 0.5737 |
| 0.25 | 54.0 | -0.6041 | 0.5185 |
| 0.25 | 66.0 | 0.5115 | 0.462 |
| 0.25 | 78.0 | -0.7098 | 0.5205 |
| 0.25 | 270.0 | -0.7345 | 0.9653 |
| 0.25 | 282.0 | -0.0324 | 0.4815 |
| 0.25 | 294.0 | 0.6478 | 0.4655 |
| 0.25 | 306.0 | 0.1212 | 0.614 |
| 0.35 | 54.0 | 0.1058 | 0.6503 |
| 0.35 | 66.0 | 0.0536 | 0.3958 |
| 0.35 | 78.0 | -0.2063 | 0.5207 |
| 0.35 | 90.0 | 0.4982 | 0.7035 |
| 0.35 | 102.0 | -0.8427 | 0.8427 |
| 0.35 | 270.0 | -0.2085 | 0.5443 |
| 0.35 | 282.0 | -0.5653 | 0.3803 |
| 0.35 | 294.0 | -0.6625 | 0.3628 |
| 0.35 | 306.0 | -0.3779 | 0.5819 |
| 0.45 | 54.0 | 1.151 | 0.6488 |
| 0.45 | 66.0 | -0.0774 | 0.5165 |
| 0.45 | 78.0 | 0.3901 | 0.5893 |
| 0.45 | 90.0 | -0.0318 | 0.6329 |
| 0.45 | 102.0 | -0.035 | 0.5816 |
| 0.45 | 114.0 | -1.2332 | 0.703 |
| 0.45 | 258.0 | -0.1673 | 0.7907 |
| 0.45 | 270.0 | 0.0931 | 0.5453 |
| 0.45 | 282.0 | -0.2609 | 0.3919 |
| 0.45 | 294.0 | -0.1647 | 0.3814 |
| 0.45 | 306.0 | 1.0952 | 0.7054 |
| 0.45 | 318.0 | 0.3847 | 0.8516 |
| 0.55 | 54.0 | 0.2832 | 0.5794 |
| 0.55 | 66.0 | 0.6809 | 0.6105 |
| 0.55 | 78.0 | -0.8704 | 0.5443 |
| 0.55 | 90.0 | 0.4151 | 0.4719 |
| 0.55 | 102.0 | 0.1153 | 0.476 |
| 0.55 | 114.0 | 0.1587 | 0.425 |
| 0.55 | 126.0 | -0.601 | 0.6923 |
| 0.55 | 234.0 | 0.2108 | 0.793 |
| 0.55 | 246.0 | 1.6874 | 0.6594 |
| 0.55 | 258.0 | 0.6196 | 0.6066 |
| 0.55 | 270.0 | 0.5962 | 0.4916 |
| 0.55 | 282.0 | 0.2032 | 0.4401 |
| 0.55 | 294.0 | 0.2799 | 0.5495 |
| 0.55 | 306.0 | -0.5124 | 0.4723 |
| 0.65 | 54.0 | -0.3502 | 0.7821 |
| 0.65 | 66.0 | 0.0133 | 0.7206 |
| 0.65 | 78.0 | 0.0528 | 0.5613 |
| 0.65 | 90.0 | 0.2487 | 0.371 |
| 0.65 | 102.0 | 0.5026 | 0.3625 |
| 0.65 | 114.0 | 0.147 | 0.4126 |
| 0.65 | 126.0 | 0.1257 | 0.4508 |
| 0.65 | 138.0 | 0.7388 | 0.6161 |
| 0.65 | 210.0 | -0.2246 | 0.8904 |
| 0.65 | 222.0 | -0.3118 | 0.5624 |
| 0.65 | 234.0 | -0.2427 | 0.4721 |
| 0.65 | 246.0 | -0.2 | 0.4746 |
| 0.65 | 258.0 | 0.4229 | 0.4671 |
| 0.65 | 270.0 | 0.0305 | 0.5114 |
| 0.65 | 282.0 | 0.6068 | 0.5606 |
| 0.65 | 294.0 | 0.0786 | 0.5577 |
| 0.65 | 306.0 | 0.0064 | 0.5068 |
| 0.75 | 66.0 | -0.3979 | 0.5653 |
| 0.75 | 78.0 | 0.8214 | 0.601 |
| 0.75 | 90.0 | -0.1943 | 0.3701 |
| 0.75 | 102.0 | -0.1488 | 0.3377 |
| 0.75 | 114.0 | -0.217 | 0.3689 |
| 0.75 | 126.0 | 0.8363 | 0.4395 |
| 0.75 | 138.0 | 0.3479 | 0.5981 |
| 0.75 | 150.0 | 0.0432 | 0.665 |
| 0.75 | 186.0 | 0.451 | 0.8338 |
| 0.75 | 198.0 | 0.7748 | 0.7394 |
| 0.75 | 210.0 | 0.0947 | 0.5723 |
| 0.75 | 222.0 | -0.1804 | 0.4429 |
| 0.75 | 234.0 | 0.3463 | 0.3787 |
| 0.75 | 246.0 | 0.3066 | 0.3748 |
| 0.75 | 258.0 | -0.5137 | 0.3856 |
| 0.75 | 270.0 | -0.2448 | 0.4454 |
| 0.75 | 282.0 | -0.0518 | 0.6582 |
| 0.75 | 294.0 | -0.4647 | 0.59 |
| 0.85 | 66.0 | 0.5651 | 0.3644 |
| 0.85 | 78.0 | 0.1244 | 0.3939 |
| 0.85 | 90.0 | 0.0056 | 0.5665 |
| 0.85 | 102.0 | 0.3706 | 0.4013 |
| 0.85 | 114.0 | 0.361 | 0.3635 |
| 0.85 | 126.0 | 0.8374 | 0.3849 |
| 0.85 | 138.0 | 0.6131 | 0.4847 |
| 0.85 | 150.0 | -0.0038 | 0.8295 |
| 0.85 | 174.0 | 0.8054 | 0.9147 |
| 0.85 | 186.0 | 0.7957 | 0.7513 |
| 0.85 | 198.0 | 0.0459 | 0.5781 |
| 0.85 | 210.0 | 0.2833 | 0.4692 |
| 0.85 | 222.0 | 0.2086 | 0.4578 |
| 0.85 | 234.0 | -0.0069 | 0.3757 |
| 0.85 | 246.0 | -0.0878 | 0.3331 |
| 0.85 | 258.0 | -0.0527 | 0.36 |
| 0.85 | 270.0 | 0.0985 | 0.368 |
| 0.85 | 282.0 | 0.6994 | 0.4189 |
| 0.85 | 294.0 | -0.6448 | 0.5442 |
| 0.95 | 66.0 | 0.9061 | 0.5701 |
| 0.95 | 78.0 | 0.0872 | 0.4895 |
| 0.95 | 90.0 | -0.5612 | 0.5992 |
| 0.95 | 114.0 | 0.2797 | 0.6006 |
| 0.95 | 126.0 | 0.0956 | 0.661 |
| 0.95 | 138.0 | 0.069 | 0.6882 |
| 0.95 | 150.0 | 1.1996 | 0.7227 |
| 0.95 | 174.0 | -1.1516 | 0.7666 |
| 0.95 | 186.0 | 0.3098 | 0.6438 |
| 0.95 | 198.0 | 0.0164 | 0.6427 |
| 0.95 | 210.0 | 0.2112 | 0.5713 |
| 0.95 | 222.0 | 0.6256 | 0.4687 |
| 0.95 | 234.0 | 0.5317 | 0.3862 |
| 0.95 | 246.0 | -0.2758 | 0.4003 |
| 0.95 | 258.0 | 0.7854 | 0.3638 |
| 0.95 | 270.0 | 0.5669 | 0.3294 |
| 0.95 | 282.0 | 0.1633 | 0.3295 |
| 0.95 | 294.0 | -0.5091 | 0.379 |
| 0.95 | 306.0 | 1.3275 | 0.5599 |
Experiment comment: