Measurement E151M609
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.0638 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8872 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | 0.4819 | 0.7379 |
| 0.15 | 66.0 | 0.8411 | 0.7205 |
| 0.25 | 30.0 | 0.4716 | 0.6711 |
| 0.25 | 42.0 | 0.1924 | 0.7187 |
| 0.25 | 54.0 | 1.2105 | 0.636 |
| 0.25 | 66.0 | 0.1674 | 0.5361 |
| 0.25 | 78.0 | 0.9086 | 0.5469 |
| 0.25 | 90.0 | 0.2468 | 0.7273 |
| 0.25 | 282.0 | -0.5723 | 0.5075 |
| 0.25 | 294.0 | 0.384 | 0.5386 |
| 0.25 | 306.0 | -1.1258 | 0.4938 |
| 0.25 | 318.0 | -0.3259 | 0.6507 |
| 0.25 | 330.0 | 0.616 | 0.7059 |
| 0.35 | 18.0 | -0.2292 | 0.4955 |
| 0.35 | 30.0 | 0.574 | 0.5767 |
| 0.35 | 54.0 | 0.6919 | 0.5792 |
| 0.35 | 66.0 | 1.4226 | 0.4334 |
| 0.35 | 78.0 | -0.3232 | 0.3594 |
| 0.35 | 90.0 | -0.0684 | 0.4449 |
| 0.35 | 258.0 | 0.1686 | 0.5403 |
| 0.35 | 270.0 | 0.0534 | 0.412 |
| 0.35 | 282.0 | -0.1759 | 0.3661 |
| 0.35 | 294.0 | -0.1029 | 0.3887 |
| 0.35 | 306.0 | 0.5371 | 0.6563 |
| 0.35 | 318.0 | 0.0579 | 0.5303 |
| 0.35 | 330.0 | 0.3099 | 0.6341 |
| 0.45 | 18.0 | 0.115 | 0.6334 |
| 0.45 | 66.0 | 0.7953 | 0.4393 |
| 0.45 | 78.0 | 0.4745 | 0.3715 |
| 0.45 | 90.0 | -0.0017 | 0.4837 |
| 0.45 | 102.0 | -1.0328 | 0.5111 |
| 0.45 | 114.0 | -1.1415 | 0.4945 |
| 0.45 | 126.0 | -0.6582 | 0.449 |
| 0.45 | 222.0 | 1.5176 | 0.6943 |
| 0.45 | 234.0 | -0.327 | 0.6143 |
| 0.45 | 246.0 | 0.1938 | 0.6374 |
| 0.45 | 258.0 | 0.296 | 0.4671 |
| 0.45 | 270.0 | 0.487 | 0.3791 |
| 0.45 | 282.0 | 0.3915 | 0.3484 |
| 0.45 | 294.0 | 0.0461 | 0.4033 |
| 0.45 | 306.0 | 0.0994 | 0.5575 |
| 0.45 | 318.0 | -0.3692 | 0.6047 |
| 0.45 | 330.0 | -0.4166 | 0.4567 |
| 0.55 | 66.0 | -1.6956 | 0.3979 |
| 0.55 | 78.0 | 0.3993 | 0.392 |
| 0.55 | 90.0 | -0.2067 | 0.3991 |
| 0.55 | 102.0 | 0.3133 | 0.4884 |
| 0.55 | 114.0 | -0.4232 | 0.4633 |
| 0.55 | 126.0 | -0.2616 | 0.4455 |
| 0.55 | 138.0 | -1.047 | 0.3447 |
| 0.55 | 150.0 | -0.8657 | 0.4596 |
| 0.55 | 198.0 | 0.5535 | 0.7391 |
| 0.55 | 210.0 | 1.6893 | 0.4925 |
| 0.55 | 222.0 | 0.1631 | 0.4776 |
| 0.55 | 234.0 | 0.2223 | 0.4525 |
| 0.55 | 246.0 | 0.6046 | 0.4978 |
| 0.55 | 258.0 | 0.2407 | 0.3981 |
| 0.55 | 270.0 | 0.5981 | 0.3621 |
| 0.55 | 282.0 | 0.1405 | 0.3366 |
| 0.55 | 294.0 | -0.607 | 0.4162 |
| 0.65 | 66.0 | 0.7467 | 0.5106 |
| 0.65 | 78.0 | -0.2886 | 0.5253 |
| 0.65 | 90.0 | 0.4746 | 0.5668 |
| 0.65 | 102.0 | 0.4045 | 0.5257 |
| 0.65 | 114.0 | 0.4279 | 0.4241 |
| 0.65 | 126.0 | -0.5462 | 0.3403 |
| 0.65 | 138.0 | -0.0853 | 0.4319 |
| 0.65 | 150.0 | 0.6108 | 0.626 |
| 0.65 | 162.0 | 0.7212 | 0.7273 |
| 0.65 | 186.0 | 1.9748 | 0.6502 |
| 0.65 | 198.0 | 0.7376 | 0.5589 |
| 0.65 | 210.0 | 0.9174 | 0.3995 |
| 0.65 | 222.0 | 0.4314 | 0.4114 |
| 0.65 | 234.0 | -0.0763 | 0.359 |
| 0.65 | 246.0 | 0.3483 | 0.4383 |
| 0.65 | 258.0 | 0.5193 | 0.4272 |
| 0.65 | 270.0 | 1.2622 | 0.4257 |
| 0.65 | 282.0 | 0.215 | 0.4808 |
| 0.65 | 294.0 | 1.4302 | 0.4785 |
| 0.65 | 306.0 | -0.0558 | 0.6056 |
| 0.75 | 66.0 | -0.8895 | 0.4211 |
| 0.75 | 78.0 | 0.4373 | 0.603 |
| 0.75 | 90.0 | -0.0235 | 0.615 |
| 0.75 | 114.0 | -0.4877 | 0.3706 |
| 0.75 | 126.0 | -0.5635 | 0.3784 |
| 0.75 | 138.0 | -0.1888 | 0.3814 |
| 0.75 | 150.0 | -0.2307 | 0.4684 |
| 0.75 | 186.0 | 0.6086 | 0.7314 |
| 0.75 | 198.0 | 1.4979 | 0.5383 |
| 0.75 | 210.0 | 1.6279 | 0.4167 |
| 0.75 | 222.0 | 0.5893 | 0.3636 |
| 0.75 | 234.0 | 0.7453 | 0.4205 |
| 0.75 | 246.0 | 0.0931 | 0.4219 |
| 0.75 | 258.0 | -0.0187 | 0.4864 |
| 0.75 | 270.0 | -0.0049 | 0.4403 |
| 0.75 | 282.0 | 0.4542 | 0.4092 |
| 0.75 | 294.0 | 0.3282 | 0.4852 |
| 0.85 | 102.0 | 0.1912 | 0.5478 |
| 0.85 | 114.0 | -0.0923 | 0.5116 |
| 0.85 | 126.0 | -0.362 | 0.5403 |
| 0.85 | 138.0 | -0.6211 | 0.5164 |
| 0.85 | 150.0 | -0.633 | 0.5633 |
| 0.85 | 186.0 | 0.1099 | 0.6913 |
| 0.85 | 198.0 | 0.6562 | 0.467 |
| 0.85 | 210.0 | 1.645 | 0.4297 |
| 0.85 | 222.0 | -0.2786 | 0.3224 |
| 0.85 | 234.0 | 0.2003 | 0.381 |
| 0.85 | 246.0 | -0.0455 | 0.3489 |
| 0.85 | 258.0 | 0.5701 | 0.5838 |
| 0.85 | 270.0 | 0.3002 | 0.5398 |
| 0.95 | 210.0 | 0.9291 | 0.6326 |
| 0.95 | 222.0 | 2.2826 | 2.2826 |
| 0.95 | 234.0 | 0.9985 | 0.4975 |
| 0.95 | 246.0 | 1.1773 | 0.5584 |
Experiment comment: