Measurement E151M1784
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.0851 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9292 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 78.0 | 0.134 | 0.8363 |
| 0.25 | 294.0 | -1.0728 | 0.669 |
| 0.25 | 306.0 | 0.2042 | 0.7938 |
| 0.35 | 66.0 | 1.032 | 0.5516 |
| 0.35 | 78.0 | 0.017 | 0.6852 |
| 0.35 | 90.0 | -0.829 | 0.8461 |
| 0.35 | 282.0 | -0.1735 | 0.5766 |
| 0.35 | 294.0 | -0.2533 | 0.5224 |
| 0.45 | 66.0 | 1.5029 | 0.5548 |
| 0.45 | 78.0 | -0.2522 | 0.4822 |
| 0.45 | 90.0 | 0.9608 | 0.5599 |
| 0.45 | 270.0 | -0.8486 | 0.7026 |
| 0.45 | 282.0 | -0.31 | 0.6015 |
| 0.45 | 294.0 | 0.0806 | 0.4791 |
| 0.45 | 306.0 | 0.9578 | 0.7524 |
| 0.55 | 78.0 | 0.9063 | 0.5042 |
| 0.55 | 90.0 | 0.2218 | 0.5583 |
| 0.55 | 114.0 | -1.0403 | 0.6972 |
| 0.55 | 126.0 | 0.2402 | 0.7044 |
| 0.55 | 222.0 | 0.3278 | 0.7684 |
| 0.55 | 234.0 | 1.6744 | 0.7018 |
| 0.55 | 246.0 | -0.518 | 0.7054 |
| 0.55 | 258.0 | -0.3223 | 0.6568 |
| 0.55 | 270.0 | 0.715 | 0.5377 |
| 0.55 | 282.0 | 0.6572 | 0.5082 |
| 0.55 | 294.0 | -0.5892 | 0.575 |
| 0.65 | 66.0 | -0.0258 | 0.6999 |
| 0.65 | 78.0 | 0.0821 | 0.5869 |
| 0.65 | 90.0 | -0.6502 | 0.6967 |
| 0.65 | 102.0 | 1.4076 | 0.7766 |
| 0.65 | 114.0 | -0.752 | 0.5419 |
| 0.65 | 126.0 | 0.3692 | 0.5677 |
| 0.65 | 138.0 | -1.4073 | 0.5533 |
| 0.65 | 150.0 | 0.4921 | 0.6665 |
| 0.65 | 210.0 | 0.1387 | 0.6776 |
| 0.65 | 222.0 | 0.9231 | 0.5569 |
| 0.65 | 234.0 | -1.0598 | 0.46 |
| 0.65 | 246.0 | 0.4656 | 0.5284 |
| 0.65 | 258.0 | 0.4249 | 0.6011 |
| 0.65 | 270.0 | 0.0358 | 0.696 |
| 0.65 | 282.0 | 0.8321 | 0.6177 |
| 0.65 | 294.0 | -0.5522 | 0.6806 |
| 0.75 | 78.0 | 0.3155 | 0.7663 |
| 0.75 | 102.0 | -2.3722 | 2.3722 |
| 0.75 | 114.0 | 1.0093 | 0.6575 |
| 0.75 | 126.0 | 0.0637 | 0.5447 |
| 0.75 | 138.0 | -0.6484 | 0.6023 |
| 0.75 | 150.0 | 0.0845 | 0.6818 |
| 0.75 | 162.0 | 0.919 | 0.8888 |
| 0.75 | 210.0 | -0.3868 | 0.644 |
| 0.75 | 222.0 | 0.6242 | 0.462 |
| 0.75 | 234.0 | 0.0681 | 0.4373 |
| 0.75 | 246.0 | -0.7573 | 0.4463 |
| 0.75 | 258.0 | -0.6195 | 0.6349 |
| 0.75 | 270.0 | 1.6275 | 0.858 |
| 0.75 | 282.0 | -0.9632 | 0.7434 |
| 0.85 | 114.0 | 0.4649 | 0.8677 |
| 0.85 | 126.0 | -0.3279 | 0.7689 |
| 0.85 | 138.0 | -0.2431 | 0.7518 |
| 0.85 | 150.0 | 0.7547 | 0.7844 |
| 0.85 | 210.0 | -0.0955 | 0.6353 |
| 0.85 | 222.0 | -0.7982 | 0.4843 |
| 0.85 | 234.0 | -0.375 | 0.4551 |
| 0.85 | 246.0 | -0.5287 | 0.4796 |
| 0.85 | 258.0 | -0.5915 | 0.5844 |
| 0.95 | 222.0 | 0.8487 | 0.7185 |
| 0.95 | 234.0 | -0.0829 | 0.7211 |
Experiment comment: