Measurement E151M1048
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.177 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.945 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| -0.05 | 30.0 | -0.8803 | 0.6374 |
| 0.05 | 54.0 | 0.5901 | 0.8407 |
| 0.05 | 66.0 | -0.9744 | 0.594 |
| 0.15 | 18.0 | -0.5914 | 0.6397 |
| 0.15 | 54.0 | -0.98 | 0.4233 |
| 0.15 | 66.0 | -0.0603 | 0.4543 |
| 0.15 | 78.0 | -0.1194 | 0.6756 |
| 0.15 | 282.0 | -0.0394 | 0.7998 |
| 0.15 | 294.0 | -0.5874 | 0.4353 |
| 0.15 | 306.0 | -0.5873 | 0.515 |
| 0.25 | 18.0 | -1.147 | 0.517 |
| 0.25 | 54.0 | 0.1995 | 0.5581 |
| 0.25 | 66.0 | 0.3411 | 0.4203 |
| 0.25 | 78.0 | 0.5837 | 0.4768 |
| 0.25 | 270.0 | -0.5217 | 0.6769 |
| 0.25 | 282.0 | 1.1042 | 0.4921 |
| 0.25 | 294.0 | -0.0382 | 0.3897 |
| 0.25 | 306.0 | -1.0594 | 0.418 |
| 0.35 | 54.0 | -0.0339 | 0.5852 |
| 0.35 | 66.0 | 0.7741 | 0.4594 |
| 0.35 | 78.0 | -0.5192 | 0.3906 |
| 0.35 | 90.0 | 0.4548 | 0.7399 |
| 0.35 | 102.0 | -0.7318 | 0.7067 |
| 0.35 | 258.0 | 0.259 | 0.7409 |
| 0.35 | 270.0 | 1.044 | 0.4851 |
| 0.35 | 282.0 | 0.4991 | 0.3766 |
| 0.35 | 294.0 | -0.124 | 0.3344 |
| 0.35 | 306.0 | 0.3485 | 0.5729 |
| 0.45 | 54.0 | -0.3747 | 0.6367 |
| 0.45 | 66.0 | -0.552 | 0.3689 |
| 0.45 | 78.0 | -0.1511 | 0.4496 |
| 0.45 | 90.0 | 0.8015 | 0.532 |
| 0.45 | 102.0 | -0.3069 | 0.4576 |
| 0.45 | 114.0 | -0.4491 | 0.4935 |
| 0.45 | 258.0 | 0.1194 | 0.5582 |
| 0.45 | 270.0 | 0.6288 | 0.3728 |
| 0.45 | 282.0 | -0.1174 | 0.3191 |
| 0.45 | 294.0 | -0.5997 | 0.2917 |
| 0.45 | 306.0 | -0.1505 | 0.7085 |
| 0.55 | 54.0 | -0.5625 | 0.5028 |
| 0.55 | 66.0 | 0.0823 | 0.5 |
| 0.55 | 78.0 | -0.6306 | 0.4729 |
| 0.55 | 90.0 | -0.2172 | 0.4366 |
| 0.55 | 102.0 | -0.4473 | 0.3614 |
| 0.55 | 114.0 | -0.3993 | 0.3489 |
| 0.55 | 126.0 | -0.972 | 0.4077 |
| 0.55 | 138.0 | -0.8483 | 0.5671 |
| 0.55 | 222.0 | 1.023 | 0.9221 |
| 0.55 | 234.0 | 1.0633 | 0.6706 |
| 0.55 | 246.0 | 0.2209 | 0.6233 |
| 0.55 | 258.0 | -0.487 | 0.4351 |
| 0.55 | 270.0 | 0.0028 | 0.3472 |
| 0.55 | 282.0 | 0.1424 | 0.3391 |
| 0.55 | 294.0 | 0.2621 | 0.5272 |
| 0.55 | 306.0 | 0.5682 | 0.517 |
| 0.65 | 54.0 | -0.6647 | 0.4157 |
| 0.65 | 66.0 | 0.7292 | 0.7033 |
| 0.65 | 78.0 | -0.2873 | 0.5217 |
| 0.65 | 90.0 | -0.0991 | 0.4027 |
| 0.65 | 102.0 | -0.0441 | 0.3205 |
| 0.65 | 114.0 | -0.6 | 0.3038 |
| 0.65 | 126.0 | -1.2221 | 0.3095 |
| 0.65 | 138.0 | -1.3636 | 0.3056 |
| 0.65 | 150.0 | -0.3272 | 0.5678 |
| 0.65 | 186.0 | 0.7028 | 0.9777 |
| 0.65 | 198.0 | 1.4834 | 0.7376 |
| 0.65 | 210.0 | 0.5217 | 0.567 |
| 0.65 | 222.0 | 0.4684 | 0.4349 |
| 0.65 | 234.0 | 0.588 | 0.418 |
| 0.65 | 246.0 | 0.6579 | 0.4417 |
| 0.65 | 258.0 | 0.6007 | 0.4557 |
| 0.65 | 270.0 | 0.325 | 0.4512 |
| 0.65 | 282.0 | -0.6613 | 0.4399 |
| 0.65 | 294.0 | 0.1835 | 0.3712 |
| 0.65 | 306.0 | -0.6446 | 0.386 |
| 0.75 | 66.0 | -0.3512 | 0.5188 |
| 0.75 | 78.0 | -0.5782 | 0.4502 |
| 0.75 | 90.0 | -0.2292 | 0.4104 |
| 0.75 | 102.0 | -0.8085 | 0.2474 |
| 0.75 | 114.0 | -0.3333 | 0.3019 |
| 0.75 | 126.0 | -0.6489 | 0.2997 |
| 0.75 | 138.0 | -0.6647 | 0.3975 |
| 0.75 | 150.0 | -1.5423 | 0.483 |
| 0.75 | 162.0 | -1.3947 | 0.6058 |
| 0.75 | 174.0 | 0.6827 | 0.7479 |
| 0.75 | 186.0 | 0.5994 | 0.69 |
| 0.75 | 198.0 | 0.1671 | 0.4854 |
| 0.75 | 210.0 | 0.5908 | 0.4343 |
| 0.75 | 222.0 | 0.5768 | 0.3901 |
| 0.75 | 234.0 | 0.6776 | 0.3577 |
| 0.75 | 246.0 | 0.5489 | 0.3721 |
| 0.75 | 258.0 | 0.2078 | 0.3903 |
| 0.75 | 270.0 | 0.9653 | 0.6193 |
| 0.75 | 282.0 | 0.5068 | 0.5173 |
| 0.75 | 294.0 | 0.2133 | 0.3999 |
| 0.75 | 306.0 | 0.6729 | 0.7903 |
| 0.85 | 66.0 | -1.1332 | 0.4874 |
| 0.85 | 78.0 | -0.3423 | 0.3183 |
| 0.85 | 90.0 | -0.0867 | 0.3819 |
| 0.85 | 102.0 | -1.2465 | 0.3616 |
| 0.85 | 114.0 | 0.187 | 0.4 |
| 0.85 | 126.0 | -0.9049 | 0.333 |
| 0.85 | 138.0 | -0.7456 | 0.3893 |
| 0.85 | 150.0 | -0.2524 | 0.5505 |
| 0.85 | 162.0 | -0.9752 | 0.4983 |
| 0.85 | 174.0 | -1.0319 | 0.4938 |
| 0.85 | 186.0 | 0.4713 | 0.6149 |
| 0.85 | 198.0 | 0.656 | 0.5267 |
| 0.85 | 210.0 | 0.2083 | 0.3694 |
| 0.85 | 222.0 | 0.9581 | 0.3651 |
| 0.85 | 234.0 | 0.1418 | 0.2944 |
| 0.85 | 246.0 | 0.5687 | 0.3163 |
| 0.85 | 258.0 | 0.6378 | 0.3264 |
| 0.85 | 270.0 | 0.7965 | 0.4219 |
| 0.85 | 282.0 | -0.503 | 0.435 |
| 0.95 | 78.0 | -0.3611 | 0.5275 |
| 0.95 | 90.0 | -0.031 | 0.4236 |
| 0.95 | 102.0 | -0.9894 | 0.3823 |
| 0.95 | 114.0 | -0.8155 | 0.5328 |
| 0.95 | 150.0 | -0.6244 | 0.5483 |
| 0.95 | 162.0 | -1.0405 | 0.583 |
| 0.95 | 174.0 | -0.3732 | 0.7041 |
| 0.95 | 186.0 | 0.4883 | 0.5906 |
| 0.95 | 198.0 | 0.0771 | 0.6083 |
| 0.95 | 210.0 | 0.7189 | 0.4926 |
| 0.95 | 222.0 | 0.4181 | 0.3961 |
| 0.95 | 234.0 | 0.6726 | 0.3981 |
| 0.95 | 246.0 | 0.5581 | 0.3586 |
| 0.95 | 258.0 | -0.1867 | 0.31 |
| 0.95 | 270.0 | 0.267 | 0.313 |
| 0.95 | 282.0 | 0.0713 | 0.3907 |
Experiment comment: