Measurement E151M2043
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1916 | |
| Q2: | 0.101 GeV2 | |
| W: | 1445.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9227 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | -0.2407 | 0.6032 |
| 0.25 | 78.0 | 0.0547 | 1.0906 |
| 0.25 | 294.0 | 0.0326 | 0.5091 |
| 0.35 | 66.0 | -0.2021 | 0.9766 |
| 0.35 | 78.0 | -0.0127 | 0.9116 |
| 0.35 | 282.0 | -0.3469 | 0.7624 |
| 0.35 | 294.0 | 0.1485 | 0.8759 |
| 0.45 | 66.0 | -0.6515 | 0.8784 |
| 0.45 | 78.0 | 1.409 | 0.8784 |
| 0.45 | 270.0 | 0.9681 | 0.8585 |
| 0.45 | 282.0 | 0.0711 | 0.6852 |
| 0.45 | 294.0 | -0.7894 | 0.7431 |
| 0.55 | 102.0 | -2.0562 | 1.0109 |
| 0.55 | 114.0 | -2.1892 | 1.0285 |
| 0.55 | 126.0 | 0.4353 | 1.3133 |
| 0.55 | 258.0 | -0.9082 | 1.0623 |
| 0.55 | 270.0 | 0.4737 | 0.9006 |
| 0.55 | 282.0 | 1.0972 | 0.8463 |
| 0.55 | 294.0 | 0.5962 | 1.0436 |
| 0.65 | 66.0 | -1.38 | 1.1974 |
| 0.65 | 78.0 | 0.2822 | 1.2344 |
| 0.65 | 90.0 | -0.361 | 1.3309 |
| 0.65 | 102.0 | 1.5571 | 1.1739 |
| 0.65 | 114.0 | 1.4461 | 0.9092 |
| 0.65 | 126.0 | -0.3449 | 1.1576 |
| 0.65 | 222.0 | -1.0046 | 1.0275 |
| 0.65 | 234.0 | 0.9213 | 0.9644 |
| 0.65 | 246.0 | 0.0364 | 0.9414 |
| 0.65 | 258.0 | -0.3419 | 0.9707 |
| 0.65 | 270.0 | -0.5181 | 0.8662 |
| 0.65 | 282.0 | -0.7409 | 1.115 |
| 0.65 | 306.0 | -0.5807 | 0.9516 |
| 0.75 | 90.0 | 1.1743 | 1.1794 |
| 0.75 | 102.0 | 0.5607 | 0.9863 |
| 0.75 | 114.0 | -0.051 | 0.8321 |
| 0.75 | 126.0 | -0.3298 | 0.9123 |
| 0.75 | 138.0 | -0.2888 | 1.0641 |
| 0.75 | 150.0 | 1.3962 | 1.3605 |
| 0.75 | 222.0 | 0.4296 | 0.9183 |
| 0.75 | 234.0 | 0.5862 | 0.8635 |
| 0.75 | 246.0 | -0.3346 | 1.0023 |
| 0.75 | 258.0 | 0.0441 | 0.8637 |
| 0.75 | 270.0 | 0.6115 | 1.0993 |
| 0.85 | 78.0 | -1.4276 | 1.4071 |
| 0.85 | 90.0 | -1.6849 | 1.4427 |
| 0.85 | 102.0 | -1.8514 | 1.3375 |
| 0.85 | 114.0 | 2.0861 | 1.2827 |
| 0.85 | 126.0 | 0.6761 | 1.1739 |
| 0.85 | 138.0 | -1.1377 | 1.3198 |
| 0.85 | 210.0 | -1.6123 | 1.2994 |
| 0.85 | 222.0 | -0.1246 | 1.062 |
| 0.85 | 234.0 | -0.2357 | 0.8966 |
| 0.85 | 246.0 | 0.5658 | 0.8225 |
| 0.85 | 258.0 | -0.516 | 0.8721 |
| 0.85 | 270.0 | -0.9961 | 1.0262 |
| 0.95 | 210.0 | 2.4877 | 3.9808 |
| 0.95 | 222.0 | 2.2876 | 3.4863 |
| 0.95 | 246.0 | 1.2546 | 3.0577 |
| 0.95 | 258.0 | 5.4692 | 2.7024 |
| 0.25 | 306.0 | -1.3129 | 0.6193 |
| 0.35 | 66.0 | -0.2712 | 0.5409 |
| 0.35 | 78.0 | -0.3838 | 0.6169 |
| 0.35 | 282.0 | 0.5268 | 0.6388 |
| 0.35 | 294.0 | -0.2211 | 0.5276 |
| 0.45 | 66.0 | 1.2374 | 0.6499 |
| 0.45 | 78.0 | 0.8863 | 0.5547 |
| 0.45 | 90.0 | 0.4017 | 0.7809 |
| 0.45 | 270.0 | -0.2932 | 0.6185 |
| 0.45 | 282.0 | 0.6353 | 0.5419 |
| 0.45 | 294.0 | 0.3249 | 0.5421 |
| 0.55 | 78.0 | 0.6162 | 0.6281 |
| 0.55 | 102.0 | -1.4483 | 0.7539 |
| 0.55 | 114.0 | -0.3162 | 0.6902 |
| 0.55 | 258.0 | -0.4481 | 0.7841 |
| 0.55 | 270.0 | 0.9879 | 0.6012 |
| 0.55 | 282.0 | 0.8225 | 0.5075 |
| 0.55 | 294.0 | -0.1918 | 0.6623 |
| 0.65 | 90.0 | -0.2193 | 0.7675 |
| 0.65 | 102.0 | -0.0794 | 0.5876 |
| 0.65 | 114.0 | 0.0867 | 0.5852 |
| 0.65 | 126.0 | 0.5379 | 0.5874 |
| 0.65 | 138.0 | -0.3294 | 0.7374 |
| 0.65 | 222.0 | -0.1841 | 0.8448 |
| 0.65 | 234.0 | 0.5275 | 0.7243 |
| 0.65 | 246.0 | -1.116 | 0.6899 |
| 0.65 | 258.0 | 0.0747 | 0.8559 |
| 0.65 | 270.0 | -1.2279 | 0.6594 |
| 0.75 | 102.0 | 0.261 | 0.6138 |
| 0.75 | 114.0 | -0.1663 | 0.5432 |
| 0.75 | 126.0 | -0.9076 | 0.7 |
| 0.75 | 138.0 | -0.4594 | 0.6914 |
| 0.75 | 150.0 | -2.3125 | 0.7049 |
| 0.75 | 210.0 | 0.0091 | 0.8851 |
| 0.75 | 222.0 | -0.4397 | 0.6834 |
| 0.75 | 234.0 | -0.2874 | 0.676 |
| 0.75 | 246.0 | 0.9205 | 0.5721 |
| 0.75 | 258.0 | -0.29 | 0.5802 |
| 0.75 | 270.0 | 1.2455 | 0.8928 |
| 0.75 | 294.0 | -0.2457 | 0.7085 |
| 0.85 | 90.0 | 0.2417 | 0.7052 |
| 0.85 | 114.0 | 1.4073 | 0.7228 |
| 0.85 | 126.0 | 0.8296 | 0.6946 |
| 0.85 | 138.0 | 0.3386 | 0.7571 |
| 0.85 | 210.0 | 0.3488 | 0.9825 |
| 0.85 | 222.0 | -0.2697 | 0.8561 |
| 0.85 | 234.0 | 0.2582 | 0.7762 |
| 0.85 | 246.0 | -0.1692 | 0.5657 |
| 0.85 | 258.0 | -0.2347 | 0.6416 |
| 0.85 | 270.0 | -0.7767 | 0.7282 |
| 0.95 | 102.0 | 1.515 | 1.3472 |
| 0.95 | 222.0 | 0.1836 | 1.444 |
| 0.95 | 234.0 | 0.9121 | 1.2481 |
| 0.95 | 246.0 | 1.133 | 1.2928 |
| 0.95 | 258.0 | 1.9129 | 0.9306 |
| 0.95 | 270.0 | 0.0809 | 1.303 |
Experiment comment: