Measurement E151M2261
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.3013 | |
| Q2: | 0.205 GeV2 | |
| W: | 1475.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9394 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -1.757 | 0.6234 |
| 0.05 | 66.0 | -0.6802 | 0.813 |
| 0.05 | 294.0 | -0.0499 | 0.8515 |
| 0.05 | 306.0 | 1.529 | 0.617 |
| 0.15 | 54.0 | 0.6277 | 0.6089 |
| 0.15 | 66.0 | 0.8893 | 0.5497 |
| 0.15 | 78.0 | 1.6605 | 0.8478 |
| 0.15 | 282.0 | 0.0935 | 0.7291 |
| 0.15 | 294.0 | -0.2736 | 0.5154 |
| 0.15 | 306.0 | 0.1648 | 0.6866 |
| 0.25 | 54.0 | -0.6868 | 0.7004 |
| 0.25 | 66.0 | -0.4966 | 0.5466 |
| 0.25 | 78.0 | 0.4367 | 0.601 |
| 0.25 | 282.0 | -0.5953 | 0.5227 |
| 0.25 | 294.0 | 0.0608 | 0.4985 |
| 0.25 | 306.0 | -0.0714 | 0.7106 |
| 0.35 | 54.0 | -0.3093 | 0.7496 |
| 0.35 | 66.0 | -0.2174 | 0.4936 |
| 0.35 | 78.0 | -0.0559 | 0.6933 |
| 0.35 | 90.0 | -0.0026 | 0.8046 |
| 0.35 | 270.0 | -0.5182 | 0.8218 |
| 0.35 | 282.0 | 0.6502 | 0.4837 |
| 0.35 | 294.0 | 0.3376 | 0.487 |
| 0.35 | 306.0 | -1.6603 | 0.6707 |
| 0.45 | 54.0 | -0.8597 | 0.7394 |
| 0.45 | 66.0 | -0.332 | 0.5739 |
| 0.45 | 78.0 | -1.0514 | 0.6904 |
| 0.45 | 90.0 | 0.8027 | 0.5966 |
| 0.45 | 102.0 | -0.4744 | 0.6344 |
| 0.45 | 114.0 | -0.3987 | 0.9577 |
| 0.45 | 270.0 | -0.1209 | 0.5527 |
| 0.45 | 282.0 | -0.4299 | 0.4947 |
| 0.45 | 294.0 | 0.2191 | 0.4538 |
| 0.45 | 306.0 | 0.4013 | 0.6855 |
| 0.45 | 318.0 | -0.6874 | 0.8396 |
| 0.55 | 54.0 | 0.2614 | 0.7105 |
| 0.55 | 66.0 | -0.4616 | 0.8678 |
| 0.55 | 78.0 | -0.1374 | 0.7933 |
| 0.55 | 90.0 | -1.1133 | 0.4941 |
| 0.55 | 102.0 | 0.492 | 0.4891 |
| 0.55 | 114.0 | 0.067 | 0.492 |
| 0.55 | 246.0 | -0.6367 | 0.8885 |
| 0.55 | 258.0 | -0.8816 | 0.5651 |
| 0.55 | 270.0 | -0.401 | 0.635 |
| 0.55 | 282.0 | -0.8161 | 0.4877 |
| 0.55 | 294.0 | 0.2996 | 0.6715 |
| 0.55 | 306.0 | 0.8607 | 0.5273 |
| 0.65 | 66.0 | -0.7799 | 0.797 |
| 0.65 | 78.0 | -0.5678 | 0.5601 |
| 0.65 | 90.0 | -0.0316 | 0.4175 |
| 0.65 | 102.0 | 0.0223 | 0.36 |
| 0.65 | 114.0 | 0.8768 | 0.4437 |
| 0.65 | 126.0 | 0.7324 | 0.5762 |
| 0.65 | 138.0 | -0.114 | 0.7963 |
| 0.65 | 222.0 | 0.0409 | 0.7493 |
| 0.65 | 234.0 | 0.6927 | 0.5275 |
| 0.65 | 246.0 | -0.7168 | 0.4709 |
| 0.65 | 258.0 | 1.1772 | 0.5582 |
| 0.65 | 270.0 | -0.0688 | 0.5913 |
| 0.65 | 282.0 | 0.9994 | 0.7228 |
| 0.65 | 294.0 | 0.7499 | 0.7395 |
| 0.65 | 306.0 | 1.5489 | 0.576 |
| 0.75 | 54.0 | 0.5832 | 0.953 |
| 0.75 | 66.0 | 0.1257 | 0.5907 |
| 0.75 | 78.0 | 0.3369 | 0.7447 |
| 0.75 | 90.0 | 0.1414 | 0.3956 |
| 0.75 | 102.0 | 0.3761 | 0.3953 |
| 0.75 | 114.0 | 0.3814 | 0.4323 |
| 0.75 | 126.0 | -0.3017 | 0.4854 |
| 0.75 | 138.0 | -0.7308 | 0.5475 |
| 0.75 | 150.0 | 0.9337 | 0.8291 |
| 0.75 | 198.0 | -0.4578 | 0.8152 |
| 0.75 | 210.0 | 0.6017 | 0.6382 |
| 0.75 | 222.0 | 0.5159 | 0.5002 |
| 0.75 | 234.0 | 0.0252 | 0.4336 |
| 0.75 | 246.0 | -0.5217 | 0.4013 |
| 0.75 | 258.0 | -0.1777 | 0.425 |
| 0.75 | 270.0 | 0.2614 | 0.4697 |
| 0.75 | 282.0 | 0.0977 | 0.7648 |
| 0.75 | 294.0 | -0.3281 | 0.7905 |
| 0.85 | 54.0 | -0.2219 | 0.8148 |
| 0.85 | 66.0 | 0.2603 | 0.4078 |
| 0.85 | 78.0 | -0.1837 | 0.5258 |
| 0.85 | 90.0 | 0.1257 | 0.5855 |
| 0.85 | 102.0 | -0.5421 | 0.4099 |
| 0.85 | 114.0 | 0.2485 | 0.425 |
| 0.85 | 126.0 | 0.1456 | 0.5313 |
| 0.85 | 138.0 | 0.4534 | 0.6897 |
| 0.85 | 150.0 | 1.6104 | 0.7893 |
| 0.85 | 162.0 | -0.5732 | 0.9586 |
| 0.85 | 174.0 | -0.64 | 0.8795 |
| 0.85 | 186.0 | 0.4909 | 0.7825 |
| 0.85 | 198.0 | -0.3588 | 0.6661 |
| 0.85 | 210.0 | 0.6023 | 0.5965 |
| 0.85 | 222.0 | 0.8876 | 0.4754 |
| 0.85 | 234.0 | 0.1897 | 0.4181 |
| 0.85 | 246.0 | -0.0148 | 0.3745 |
| 0.85 | 258.0 | 0.1217 | 0.4052 |
| 0.85 | 270.0 | 0.7805 | 0.414 |
| 0.85 | 282.0 | -0.3969 | 0.4381 |
| 0.85 | 294.0 | 0.0026 | 0.5592 |
| 0.85 | 306.0 | 0.8045 | 0.6924 |
| 0.95 | 66.0 | -0.9669 | 0.5032 |
| 0.95 | 78.0 | 0.9176 | 0.6202 |
| 0.95 | 90.0 | 1.286 | 0.7693 |
| 0.95 | 102.0 | 1.0814 | 0.7969 |
| 0.95 | 114.0 | 0.2733 | 0.6467 |
| 0.95 | 126.0 | -1.0749 | 0.6632 |
| 0.95 | 138.0 | 0.6731 | 0.8833 |
| 0.95 | 174.0 | -0.283 | 0.9393 |
| 0.95 | 186.0 | 0.001 | 0.7691 |
| 0.95 | 198.0 | -0.2841 | 0.6832 |
| 0.95 | 210.0 | -0.0028 | 0.6205 |
| 0.95 | 222.0 | 0.9798 | 0.5537 |
| 0.95 | 234.0 | -0.0697 | 0.4558 |
| 0.95 | 246.0 | 1.0641 | 0.5086 |
| 0.95 | 258.0 | -0.3498 | 0.4128 |
| 0.95 | 270.0 | 0.6517 | 0.4149 |
| 0.95 | 282.0 | -0.1334 | 0.3768 |
| 0.95 | 294.0 | 0.4914 | 0.3613 |
| 0.95 | 306.0 | -0.216 | 0.4283 |
Experiment comment: