Measurement E151M2285
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.2365 | |
| Q2: | 0.205 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9255 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.05 | 54.0 | -2.0265 | 0.8788 |
| 0.05 | 66.0 | 1.1075 | 1.0156 |
| 0.15 | 66.0 | 0.7768 | 0.7521 |
| 0.15 | 282.0 | 0.3229 | 0.8958 |
| 0.15 | 294.0 | 0.2846 | 0.7666 |
| 0.25 | 66.0 | -0.0378 | 0.6398 |
| 0.25 | 78.0 | 0.0347 | 0.878 |
| 0.25 | 270.0 | -0.9373 | 0.952 |
| 0.25 | 282.0 | -0.7881 | 0.6133 |
| 0.25 | 294.0 | -0.859 | 0.7138 |
| 0.25 | 306.0 | -0.7246 | 0.9749 |
| 0.35 | 66.0 | -0.1406 | 0.6818 |
| 0.35 | 78.0 | 1.4118 | 0.7705 |
| 0.35 | 270.0 | 1.5298 | 0.6847 |
| 0.35 | 282.0 | 0.5194 | 0.5404 |
| 0.35 | 294.0 | 0.4249 | 0.5875 |
| 0.35 | 306.0 | -0.509 | 0.8801 |
| 0.45 | 54.0 | -0.2678 | 0.9267 |
| 0.45 | 66.0 | -1.461 | 0.7992 |
| 0.45 | 78.0 | 1.2243 | 0.9681 |
| 0.45 | 90.0 | 1.4082 | 0.7663 |
| 0.45 | 102.0 | 0.3423 | 0.7297 |
| 0.45 | 114.0 | -0.421 | 0.8709 |
| 0.45 | 270.0 | 0.6477 | 0.6226 |
| 0.45 | 282.0 | -0.6949 | 0.597 |
| 0.45 | 294.0 | -0.2009 | 0.676 |
| 0.55 | 54.0 | -0.7502 | 0.8038 |
| 0.55 | 78.0 | 1.2443 | 0.8778 |
| 0.55 | 90.0 | 0.0819 | 0.7584 |
| 0.55 | 102.0 | -1.2131 | 0.5653 |
| 0.55 | 114.0 | 0.0903 | 0.6087 |
| 0.55 | 126.0 | -0.2971 | 0.8533 |
| 0.55 | 234.0 | -0.0941 | 0.9714 |
| 0.55 | 246.0 | 1.1398 | 0.8197 |
| 0.55 | 258.0 | -0.1136 | 0.9031 |
| 0.55 | 270.0 | -0.2208 | 0.6673 |
| 0.55 | 282.0 | -0.5072 | 0.6356 |
| 0.55 | 294.0 | -0.3387 | 0.8051 |
| 0.55 | 306.0 | -0.1869 | 0.7029 |
| 0.65 | 78.0 | 0.636 | 0.9115 |
| 0.65 | 90.0 | -0.0075 | 0.478 |
| 0.65 | 102.0 | 0.3404 | 0.5007 |
| 0.65 | 114.0 | -1.0618 | 0.5392 |
| 0.65 | 126.0 | -0.2676 | 0.5627 |
| 0.65 | 138.0 | -1.6211 | 0.7194 |
| 0.65 | 210.0 | 0.3266 | 0.8446 |
| 0.65 | 222.0 | 0.1647 | 0.7084 |
| 0.65 | 234.0 | 0.9818 | 0.6116 |
| 0.65 | 246.0 | 0.4796 | 0.5649 |
| 0.65 | 258.0 | 0.5325 | 0.6821 |
| 0.65 | 270.0 | 0.7608 | 0.7878 |
| 0.65 | 294.0 | 0.1194 | 0.5645 |
| 0.65 | 306.0 | 0.0988 | 0.5746 |
| 0.75 | 66.0 | 0.6238 | 0.6876 |
| 0.75 | 78.0 | 0.694 | 0.6998 |
| 0.75 | 90.0 | -0.3781 | 0.5717 |
| 0.75 | 102.0 | -0.1537 | 0.4601 |
| 0.75 | 114.0 | -0.8893 | 0.4681 |
| 0.75 | 126.0 | 0.0966 | 0.5233 |
| 0.75 | 138.0 | 0.4515 | 0.7239 |
| 0.75 | 150.0 | -0.524 | 0.9508 |
| 0.75 | 174.0 | -0.9178 | 0.9631 |
| 0.75 | 186.0 | -0.235 | 0.9191 |
| 0.75 | 198.0 | -0.8673 | 0.6307 |
| 0.75 | 210.0 | 0.8287 | 0.6202 |
| 0.75 | 222.0 | 0.1746 | 0.5821 |
| 0.75 | 234.0 | 0.1389 | 0.5203 |
| 0.75 | 246.0 | -0.1262 | 0.5328 |
| 0.75 | 258.0 | 0.5209 | 0.6178 |
| 0.75 | 270.0 | 0.3119 | 0.7687 |
| 0.75 | 294.0 | 0.0514 | 0.6953 |
| 0.75 | 306.0 | 0.2934 | 0.8984 |
| 0.85 | 66.0 | 0.2592 | 0.5061 |
| 0.85 | 78.0 | 0.007 | 0.4709 |
| 0.85 | 90.0 | -0.3195 | 0.6404 |
| 0.85 | 102.0 | 0.2831 | 0.6765 |
| 0.85 | 114.0 | -0.5073 | 0.5194 |
| 0.85 | 126.0 | -0.3798 | 0.5995 |
| 0.85 | 138.0 | -0.7625 | 0.6999 |
| 0.85 | 162.0 | -0.1175 | 0.9704 |
| 0.85 | 174.0 | -1.0037 | 1.0228 |
| 0.85 | 186.0 | -0.7345 | 0.6894 |
| 0.85 | 198.0 | 1.3399 | 0.5974 |
| 0.85 | 210.0 | 1.1257 | 0.5865 |
| 0.85 | 222.0 | -0.7741 | 0.4941 |
| 0.85 | 234.0 | 0.5473 | 0.4598 |
| 0.85 | 246.0 | 0.2084 | 0.4016 |
| 0.85 | 258.0 | -0.5895 | 0.4398 |
| 0.85 | 270.0 | -0.0097 | 0.4861 |
| 0.85 | 282.0 | 0.1871 | 0.6579 |
| 0.85 | 294.0 | -0.7939 | 0.6496 |
| 0.95 | 66.0 | 1.1994 | 0.6668 |
| 0.95 | 78.0 | -0.3161 | 0.536 |
| 0.95 | 90.0 | -0.4708 | 0.7309 |
| 0.95 | 150.0 | -2.0714 | 0.8124 |
| 0.95 | 162.0 | 0.6762 | 0.8672 |
| 0.95 | 174.0 | 0.3101 | 0.7772 |
| 0.95 | 186.0 | -0.8277 | 0.6464 |
| 0.95 | 198.0 | 0.2471 | 0.8321 |
| 0.95 | 210.0 | 0.2949 | 0.6562 |
| 0.95 | 222.0 | 0.1007 | 0.5109 |
| 0.95 | 234.0 | -0.0533 | 0.4848 |
| 0.95 | 246.0 | 0.0531 | 0.4847 |
| 0.95 | 258.0 | 0.0808 | 0.4376 |
| 0.95 | 270.0 | -0.306 | 0.422 |
| 0.95 | 282.0 | 0.0001 | 0.4629 |
| 0.95 | 294.0 | 0.0767 | 0.4618 |
| 0.95 | 306.0 | 1.0025 | 0.5739 |
Experiment comment: