Measurement E151M581
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.1183 | |
| Q2: | 0.0593 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9098 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.05 | 30.0 | 0.515 | 0.6327 |
| 0.15 | 30.0 | -0.8021 | 0.5678 |
| 0.15 | 42.0 | 1.5687 | 0.6771 |
| 0.15 | 342.0 | -0.1953 | 0.7132 |
| 0.25 | 18.0 | 0.7664 | 0.6952 |
| 0.25 | 30.0 | 0.4045 | 0.8032 |
| 0.25 | 42.0 | 0.7745 | 0.7096 |
| 0.25 | 54.0 | 0.7654 | 0.7731 |
| 0.25 | 66.0 | 0.4456 | 0.5595 |
| 0.25 | 78.0 | -0.2801 | 0.53 |
| 0.25 | 282.0 | -0.2223 | 0.5033 |
| 0.25 | 294.0 | -0.0155 | 0.4914 |
| 0.25 | 306.0 | -0.1044 | 0.7021 |
| 0.25 | 318.0 | -0.276 | 0.5934 |
| 0.25 | 330.0 | -0.8965 | 0.5839 |
| 0.25 | 342.0 | -0.8101 | 0.6271 |
| 0.35 | 18.0 | -0.401 | 0.6059 |
| 0.35 | 30.0 | -0.581 | 0.5708 |
| 0.35 | 54.0 | 0.5437 | 0.8015 |
| 0.35 | 66.0 | -0.2175 | 0.4096 |
| 0.35 | 78.0 | 0.9198 | 0.4244 |
| 0.35 | 90.0 | -0.3664 | 0.5523 |
| 0.35 | 270.0 | -0.0556 | 0.5588 |
| 0.35 | 282.0 | 0.486 | 0.4087 |
| 0.35 | 294.0 | 0.0356 | 0.3751 |
| 0.35 | 306.0 | 0.8066 | 0.5439 |
| 0.35 | 318.0 | -0.7209 | 0.6221 |
| 0.35 | 330.0 | 0.3628 | 0.7327 |
| 0.45 | 66.0 | 0.2727 | 0.4495 |
| 0.45 | 78.0 | -0.0047 | 0.3715 |
| 0.45 | 90.0 | -0.671 | 0.3911 |
| 0.45 | 102.0 | -0.9322 | 0.5975 |
| 0.45 | 114.0 | 0.4892 | 0.6565 |
| 0.45 | 126.0 | -0.9213 | 0.5369 |
| 0.45 | 258.0 | 2.3061 | 2.3061 |
| 0.45 | 270.0 | -0.4077 | 0.3548 |
| 0.45 | 282.0 | 0.2213 | 0.3602 |
| 0.45 | 294.0 | 0.5218 | 0.4045 |
| 0.45 | 306.0 | -1.3757 | 0.3758 |
| 0.55 | 66.0 | -0.1564 | 0.606 |
| 0.55 | 78.0 | -0.2012 | 0.3896 |
| 0.55 | 90.0 | -0.5853 | 0.432 |
| 0.55 | 102.0 | 0.2534 | 0.4799 |
| 0.55 | 114.0 | 0.048 | 0.4719 |
| 0.55 | 126.0 | -0.3881 | 0.4568 |
| 0.55 | 138.0 | -0.6801 | 0.5458 |
| 0.55 | 222.0 | 0.3396 | 0.6827 |
| 0.55 | 234.0 | -0.2584 | 0.5031 |
| 0.55 | 246.0 | 0.8587 | 0.5163 |
| 0.55 | 258.0 | 0.4165 | 0.4697 |
| 0.55 | 270.0 | 0.1168 | 0.3975 |
| 0.55 | 282.0 | -0.3088 | 0.3449 |
| 0.55 | 294.0 | 0.0688 | 0.4698 |
| 0.55 | 306.0 | 0.268 | 0.5582 |
| 0.65 | 66.0 | 0.6197 | 0.4926 |
| 0.65 | 78.0 | 0.328 | 0.479 |
| 0.65 | 90.0 | -0.7551 | 0.4296 |
| 0.65 | 102.0 | 0.3053 | 0.4589 |
| 0.65 | 114.0 | -0.2375 | 0.3823 |
| 0.65 | 126.0 | -0.3366 | 0.3824 |
| 0.65 | 138.0 | -0.877 | 0.3436 |
| 0.65 | 150.0 | -0.7395 | 0.4857 |
| 0.65 | 162.0 | 0.1919 | 0.6636 |
| 0.65 | 198.0 | 2.6756 | 2.6756 |
| 0.65 | 210.0 | -0.2099 | 0.5063 |
| 0.65 | 222.0 | 0.0525 | 0.4073 |
| 0.65 | 234.0 | -0.1541 | 0.4222 |
| 0.65 | 246.0 | 0.6638 | 0.4358 |
| 0.65 | 258.0 | 0.2165 | 0.4123 |
| 0.65 | 270.0 | -0.3189 | 0.3977 |
| 0.65 | 282.0 | 0.4267 | 0.4819 |
| 0.65 | 294.0 | -0.846 | 0.3882 |
| 0.65 | 306.0 | -0.0803 | 0.506 |
| 0.75 | 66.0 | 1.2564 | 0.6693 |
| 0.75 | 78.0 | 0.6255 | 0.5345 |
| 0.75 | 90.0 | 0.7713 | 0.616 |
| 0.75 | 102.0 | 0.5152 | 0.5689 |
| 0.75 | 114.0 | 0.2087 | 0.3783 |
| 0.75 | 126.0 | -0.2338 | 0.3564 |
| 0.75 | 138.0 | -0.1067 | 0.4004 |
| 0.75 | 150.0 | -1.0186 | 0.4466 |
| 0.75 | 162.0 | 0.5979 | 0.7273 |
| 0.75 | 174.0 | -0.0995 | 0.6884 |
| 0.75 | 186.0 | 1.1878 | 0.7636 |
| 0.75 | 198.0 | 1.3526 | 0.5857 |
| 0.75 | 210.0 | 0.4845 | 0.4737 |
| 0.75 | 222.0 | 0.9411 | 0.4256 |
| 0.75 | 234.0 | 0.891 | 0.3582 |
| 0.75 | 246.0 | 0.6664 | 0.3483 |
| 0.75 | 258.0 | 0.591 | 0.4845 |
| 0.75 | 270.0 | -0.4346 | 0.5082 |
| 0.75 | 282.0 | -0.0923 | 0.4999 |
| 0.75 | 294.0 | 0.1746 | 0.5332 |
| 0.85 | 90.0 | -0.33 | 0.5985 |
| 0.85 | 102.0 | -0.3002 | 0.494 |
| 0.85 | 114.0 | -0.3142 | 0.5153 |
| 0.85 | 126.0 | -0.0851 | 0.4784 |
| 0.85 | 138.0 | -0.3893 | 0.4249 |
| 0.85 | 150.0 | -0.3568 | 0.6368 |
| 0.85 | 198.0 | 0.655 | 0.6429 |
| 0.85 | 210.0 | 0.1279 | 0.4826 |
| 0.85 | 222.0 | 0.6142 | 0.3954 |
| 0.85 | 234.0 | 0.983 | 0.3333 |
| 0.85 | 246.0 | 0.3437 | 0.3584 |
| 0.85 | 258.0 | 0.3802 | 0.3982 |
| 0.85 | 270.0 | 0.7044 | 0.5208 |
| 0.95 | 102.0 | -0.5475 | 0.6116 |
| 0.95 | 114.0 | 0.548 | 0.709 |
| 0.95 | 126.0 | -1.0462 | 0.4681 |
| 0.95 | 222.0 | 1.7765 | 0.5176 |
| 0.95 | 234.0 | 0.0638 | 0.4079 |
| 0.95 | 246.0 | 1.3934 | 0.3937 |
| 0.95 | 258.0 | 0.8821 | 0.5076 |
Experiment comment: