Measurement E151M2202
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.5336 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9679 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| -0.15 | 30.0 | -0.8421 | 0.7966 |
| -0.05 | 306.0 | -0.9647 | 0.743 |
| -0.05 | 318.0 | -0.7054 | 0.7178 |
| 0.05 | 54.0 | 0.9667 | 0.6498 |
| 0.05 | 66.0 | -0.112 | 0.7931 |
| 0.05 | 294.0 | -0.19 | 0.841 |
| 0.05 | 306.0 | -0.0755 | 0.5916 |
| 0.05 | 318.0 | -1.7118 | 0.6919 |
| 0.15 | 54.0 | -1.6874 | 0.4919 |
| 0.15 | 66.0 | -1.1936 | 0.4206 |
| 0.15 | 294.0 | -0.1471 | 0.524 |
| 0.15 | 306.0 | -0.0076 | 0.4593 |
| 0.15 | 318.0 | -0.7598 | 0.7674 |
| 0.25 | 54.0 | 1.3947 | 0.6491 |
| 0.25 | 66.0 | 0.4727 | 0.4054 |
| 0.25 | 78.0 | -0.4243 | 0.654 |
| 0.25 | 282.0 | 0.7217 | 0.6221 |
| 0.25 | 294.0 | 0.2924 | 0.515 |
| 0.25 | 306.0 | -0.2133 | 0.4924 |
| 0.35 | 54.0 | -0.1899 | 0.5816 |
| 0.35 | 66.0 | -0.5136 | 0.3881 |
| 0.35 | 78.0 | 0.8603 | 0.5336 |
| 0.35 | 282.0 | 0.0556 | 0.7839 |
| 0.35 | 294.0 | -0.0332 | 0.5032 |
| 0.35 | 306.0 | -0.5146 | 0.4979 |
| 0.45 | 54.0 | 1.0499 | 0.7333 |
| 0.45 | 66.0 | 0.0897 | 0.455 |
| 0.45 | 78.0 | 0.3219 | 0.5465 |
| 0.45 | 270.0 | -0.1332 | 0.7861 |
| 0.45 | 282.0 | 0.3859 | 0.5149 |
| 0.45 | 294.0 | 1.0604 | 0.5689 |
| 0.55 | 54.0 | -0.6493 | 0.699 |
| 0.55 | 66.0 | 0.3561 | 0.5839 |
| 0.55 | 78.0 | -0.09 | 0.5436 |
| 0.55 | 90.0 | -0.8393 | 0.6521 |
| 0.55 | 102.0 | -0.7622 | 0.6967 |
| 0.55 | 258.0 | 1.6251 | 0.7016 |
| 0.55 | 270.0 | 0.8417 | 0.4647 |
| 0.55 | 282.0 | 0.0688 | 0.4507 |
| 0.55 | 294.0 | 0.5208 | 0.49 |
| 0.65 | 66.0 | 0.7412 | 0.6127 |
| 0.65 | 78.0 | 0.4191 | 0.4392 |
| 0.65 | 90.0 | -0.1601 | 0.4099 |
| 0.65 | 102.0 | -0.4855 | 0.4468 |
| 0.65 | 114.0 | 0.1741 | 0.6286 |
| 0.65 | 246.0 | 0.2419 | 0.8105 |
| 0.65 | 258.0 | -0.0366 | 0.3525 |
| 0.65 | 270.0 | 0.2366 | 0.3492 |
| 0.65 | 282.0 | -0.2606 | 0.4157 |
| 0.65 | 294.0 | 0.7367 | 0.4917 |
| 0.75 | 66.0 | 0.2423 | 0.649 |
| 0.75 | 78.0 | -0.3249 | 0.3078 |
| 0.75 | 90.0 | 0.3797 | 0.3432 |
| 0.75 | 102.0 | 0.516 | 0.3362 |
| 0.75 | 114.0 | 0.5162 | 0.3676 |
| 0.75 | 126.0 | -0.0715 | 0.604 |
| 0.75 | 234.0 | 0.4726 | 0.5231 |
| 0.75 | 246.0 | 0.6155 | 0.3201 |
| 0.75 | 258.0 | 0.3475 | 0.3217 |
| 0.75 | 270.0 | -0.2274 | 0.288 |
| 0.75 | 282.0 | -0.2119 | 0.3239 |
| 0.75 | 294.0 | 0.9811 | 0.3503 |
| 0.75 | 306.0 | -0.5671 | 0.6629 |
| 0.85 | 54.0 | -1.3612 | 0.695 |
| 0.85 | 66.0 | 0.1819 | 0.7416 |
| 0.85 | 78.0 | 0.3158 | 0.3685 |
| 0.85 | 90.0 | 0.2359 | 0.3035 |
| 0.85 | 102.0 | 0.3337 | 0.2982 |
| 0.85 | 114.0 | 0.1364 | 0.3255 |
| 0.85 | 126.0 | 0.2179 | 0.378 |
| 0.85 | 138.0 | 0.2273 | 0.4785 |
| 0.85 | 150.0 | 0.4414 | 0.5303 |
| 0.85 | 198.0 | -0.5781 | 0.7241 |
| 0.85 | 210.0 | 1.416 | 0.6222 |
| 0.85 | 222.0 | 0.1523 | 0.445 |
| 0.85 | 234.0 | 0.2325 | 0.3426 |
| 0.85 | 246.0 | 0.3658 | 0.3229 |
| 0.85 | 258.0 | -0.3199 | 0.2931 |
| 0.85 | 270.0 | 0.1982 | 0.2874 |
| 0.85 | 282.0 | -0.1713 | 0.2812 |
| 0.85 | 294.0 | 0.0206 | 0.2672 |
| 0.85 | 306.0 | 0.1631 | 0.4614 |
| 0.95 | 42.0 | 0.1578 | 0.7771 |
| 0.95 | 54.0 | -1.1367 | 0.5829 |
| 0.95 | 66.0 | 0.1881 | 0.7124 |
| 0.95 | 78.0 | -0.3387 | 0.4058 |
| 0.95 | 90.0 | -0.6373 | 0.3382 |
| 0.95 | 102.0 | -0.3864 | 0.3449 |
| 0.95 | 114.0 | -0.6916 | 0.3441 |
| 0.95 | 126.0 | 0.8466 | 0.3565 |
| 0.95 | 138.0 | -0.2507 | 0.4276 |
| 0.95 | 150.0 | -0.0881 | 0.4589 |
| 0.95 | 162.0 | 0.6498 | 0.5752 |
| 0.95 | 174.0 | 1.0499 | 0.5719 |
| 0.95 | 186.0 | 0.4425 | 0.5549 |
| 0.95 | 198.0 | 0.033 | 0.5442 |
| 0.95 | 210.0 | 0.3365 | 0.4725 |
| 0.95 | 222.0 | -0.4717 | 0.4686 |
| 0.95 | 234.0 | -0.0417 | 0.4063 |
| 0.95 | 246.0 | -0.0472 | 0.3666 |
| 0.95 | 258.0 | -0.3883 | 0.3361 |
| 0.95 | 270.0 | 0.0189 | 0.3295 |
| 0.95 | 282.0 | 0.581 | 0.3246 |
| 0.95 | 294.0 | -0.2774 | 0.291 |
| 0.95 | 306.0 | 0.5101 | 0.3648 |
| 0.95 | 318.0 | -0.8225 | 0.5651 |
Experiment comment: