Measurement E151M1977
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.4238 | |
| Q2: | 0.101 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9604 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 306.0 | -0.4966 | 0.4042 |
| 0.25 | 66.0 | -0.0517 | 0.4336 |
| 0.25 | 78.0 | 0.0837 | 0.5616 |
| 0.25 | 294.0 | 0.5801 | 0.449 |
| 0.25 | 306.0 | -0.3835 | 0.5035 |
| 0.35 | 66.0 | -0.7644 | 0.3464 |
| 0.35 | 78.0 | 0.0867 | 0.385 |
| 0.35 | 294.0 | -0.5302 | 0.4664 |
| 0.35 | 306.0 | -0.681 | 0.4942 |
| 0.45 | 66.0 | 0.9675 | 0.3971 |
| 0.45 | 78.0 | 0.3493 | 0.3737 |
| 0.45 | 282.0 | 0.4727 | 0.5524 |
| 0.55 | 66.0 | -0.4764 | 0.4533 |
| 0.55 | 78.0 | 0.652 | 0.4476 |
| 0.55 | 90.0 | 0.0158 | 0.48 |
| 0.55 | 270.0 | -0.455 | 0.5235 |
| 0.55 | 282.0 | -0.0659 | 0.4408 |
| 0.65 | 66.0 | 0.6852 | 0.6085 |
| 0.65 | 78.0 | -0.2075 | 0.5185 |
| 0.65 | 114.0 | 0.6379 | 0.5979 |
| 0.65 | 258.0 | 0.0743 | 0.4468 |
| 0.65 | 270.0 | -0.1574 | 0.4567 |
| 0.65 | 282.0 | -0.4845 | 0.4968 |
| 0.75 | 102.0 | -0.1648 | 0.449 |
| 0.75 | 114.0 | -0.7943 | 0.4321 |
| 0.75 | 126.0 | -0.2738 | 0.5156 |
| 0.75 | 222.0 | -0.6949 | 0.7086 |
| 0.75 | 234.0 | -0.0395 | 0.5904 |
| 0.75 | 246.0 | -0.0126 | 0.4679 |
| 0.75 | 258.0 | 0.3144 | 0.3531 |
| 0.75 | 270.0 | 0.0263 | 0.3706 |
| 0.75 | 282.0 | 0.0359 | 0.3898 |
| 0.85 | 90.0 | 0.0621 | 0.5299 |
| 0.85 | 102.0 | 0.6148 | 0.3834 |
| 0.85 | 114.0 | 0.2698 | 0.3816 |
| 0.85 | 126.0 | 0.6876 | 0.418 |
| 0.85 | 138.0 | -0.5214 | 0.5718 |
| 0.85 | 150.0 | 0.9787 | 0.7149 |
| 0.85 | 162.0 | 0.5957 | 0.7621 |
| 0.85 | 174.0 | 0.3968 | 0.8477 |
| 0.85 | 222.0 | 1.2399 | 0.6947 |
| 0.85 | 234.0 | 0.1153 | 0.5491 |
| 0.85 | 246.0 | -0.2873 | 0.4701 |
| 0.85 | 258.0 | 0.5161 | 0.4642 |
| 0.85 | 270.0 | -0.4989 | 0.4299 |
| 0.85 | 282.0 | 0.389 | 0.4229 |
| 0.95 | 102.0 | 0.4333 | 1.0751 |
| 0.95 | 114.0 | 0.7613 | 0.7868 |
| 0.95 | 126.0 | 1.1016 | 0.854 |
| 0.95 | 138.0 | -0.3445 | 0.8634 |
| 0.95 | 150.0 | -0.5477 | 1.0403 |
| 0.95 | 162.0 | -0.4735 | 1.0976 |
| 0.95 | 174.0 | -0.3556 | 1.0646 |
| 0.95 | 210.0 | 0.8366 | 1.0411 |
| 0.95 | 222.0 | 1.5613 | 1.0613 |
| 0.95 | 234.0 | 2.0118 | 1.086 |
| 0.95 | 246.0 | -0.4545 | 0.8828 |
| 0.95 | 258.0 | -0.2506 | 0.7631 |
| 0.95 | 270.0 | -0.4408 | 0.8067 |
| 0.05 | 306.0 | -1.3835 | 1.429 |
| 0.15 | 306.0 | -0.7905 | 1.3792 |
| 0.25 | 66.0 | -0.4049 | 1.2893 |
| 0.25 | 306.0 | -0.8037 | 1.2408 |
| 0.35 | 66.0 | 1.417 | 1.2322 |
| 0.35 | 78.0 | -1.8546 | 1.4511 |
| 0.35 | 294.0 | -0.9556 | 1.027 |
| 0.35 | 306.0 | 1.5818 | 1.4968 |
| 0.45 | 66.0 | 0.1993 | 1.3762 |
| 0.45 | 78.0 | 0.1194 | 1.2162 |
| 0.45 | 282.0 | 1.0695 | 1.3682 |
| 0.45 | 294.0 | -1.6802 | 1.4055 |
| 0.55 | 66.0 | 0.9725 | 1.7319 |
| 0.55 | 78.0 | 0.5293 | 1.3606 |
| 0.55 | 270.0 | 0.5827 | 1.2508 |
| 0.55 | 282.0 | -2.1364 | 1.2941 |
| 0.55 | 294.0 | 1.0298 | 1.6057 |
| 0.65 | 78.0 | -0.0481 | 1.6508 |
| 0.65 | 90.0 | -0.0869 | 1.6773 |
| 0.65 | 102.0 | 0.1888 | 2.1087 |
| 0.65 | 258.0 | -0.9129 | 1.3554 |
| 0.65 | 270.0 | -1.0795 | 1.0298 |
| 0.65 | 282.0 | 0.0403 | 1.0904 |
| 0.75 | 102.0 | -1.6966 | 1.7555 |
| 0.75 | 114.0 | 2.123 | 1.4643 |
| 0.75 | 126.0 | 2.8903 | 1.5103 |
| 0.75 | 234.0 | -0.6226 | 1.6551 |
| 0.75 | 246.0 | -0.3063 | 1.3165 |
| 0.75 | 258.0 | -0.6809 | 1.0646 |
| 0.75 | 270.0 | -1.5756 | 1.0113 |
| 0.75 | 282.0 | 0.5296 | 1.4189 |
| 0.75 | 294.0 | 1.7794 | 1.5679 |
| 0.85 | 90.0 | -0.105 | 1.9953 |
| 0.85 | 102.0 | 0.9821 | 1.7956 |
| 0.85 | 114.0 | 2.6604 | 1.3769 |
| 0.85 | 126.0 | -0.4302 | 1.481 |
| 0.85 | 138.0 | -3.1847 | 1.496 |
| 0.85 | 150.0 | 0.0775 | 2.0135 |
| 0.85 | 234.0 | -0.2798 | 1.7801 |
| 0.85 | 246.0 | -0.248 | 1.3315 |
| 0.85 | 258.0 | 0.2478 | 1.1806 |
| 0.85 | 270.0 | -0.919 | 1.1491 |
| 0.85 | 282.0 | 2.5782 | 1.226 |
| 0.95 | 102.0 | 3.602 | 5.8588 |
| 0.95 | 114.0 | -5.8153 | 4.9384 |
| 0.95 | 126.0 | -1.3804 | 4.92 |
| 0.95 | 138.0 | -6.3454 | 5.8652 |
| 0.95 | 150.0 | 9.6712 | 6.4705 |
| 0.95 | 234.0 | 1.3732 | 5.0557 |
| 0.95 | 246.0 | 5.4275 | 4.768 |
| 0.95 | 258.0 | -2.2169 | 4.3228 |
| 0.95 | 270.0 | -3.6404 | 4.3887 |
Experiment comment: