Measurement E151M2083
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.0933 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1535.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.8959 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.6064 | 0.5902 |
| 0.35 | 66.0 | -0.6649 | 0.9285 |
| 0.35 | 78.0 | -0.3594 | 0.7961 |
| 0.35 | 270.0 | 0.9339 | 0.6826 |
| 0.35 | 282.0 | -0.6336 | 0.6912 |
| 0.35 | 294.0 | -0.9435 | 0.7769 |
| 0.45 | 78.0 | 1.5413 | 0.9615 |
| 0.45 | 126.0 | -1.334 | 1.0942 |
| 0.45 | 270.0 | 0.0405 | 0.7357 |
| 0.45 | 282.0 | -1.4126 | 0.5906 |
| 0.45 | 294.0 | 0.9846 | 0.7043 |
| 0.55 | 78.0 | 0.5021 | 0.9067 |
| 0.55 | 102.0 | 0.5839 | 1.134 |
| 0.55 | 114.0 | -0.9766 | 0.8426 |
| 0.55 | 126.0 | -1.7823 | 0.865 |
| 0.55 | 138.0 | 0.0007 | 1.0349 |
| 0.55 | 222.0 | 0.2285 | 0.8983 |
| 0.55 | 234.0 | -0.0037 | 0.8528 |
| 0.55 | 246.0 | 0.4038 | 0.9739 |
| 0.55 | 258.0 | -0.1035 | 0.971 |
| 0.55 | 270.0 | 1.4206 | 0.6729 |
| 0.55 | 282.0 | 1.2099 | 0.7004 |
| 0.65 | 66.0 | -0.7047 | 1.1347 |
| 0.65 | 102.0 | 0.496 | 1.0828 |
| 0.65 | 114.0 | 0.8024 | 0.9071 |
| 0.65 | 126.0 | 0.0816 | 0.8482 |
| 0.65 | 138.0 | -1.5718 | 1.1367 |
| 0.65 | 150.0 | -0.1866 | 1.0945 |
| 0.65 | 198.0 | -0.34 | 0.9611 |
| 0.65 | 210.0 | -0.0759 | 0.8733 |
| 0.65 | 222.0 | -0.1991 | 0.7792 |
| 0.65 | 234.0 | 0.3199 | 0.7031 |
| 0.65 | 246.0 | 0.3818 | 0.8828 |
| 0.65 | 258.0 | -0.5223 | 0.8093 |
| 0.65 | 270.0 | 1.8296 | 0.8571 |
| 0.65 | 294.0 | -0.5066 | 0.8508 |
| 0.75 | 102.0 | -1.3995 | 1.2062 |
| 0.75 | 114.0 | -1.624 | 0.8836 |
| 0.75 | 126.0 | -0.4489 | 0.9904 |
| 0.75 | 138.0 | -0.6788 | 1.1508 |
| 0.75 | 150.0 | 0.3189 | 1.1104 |
| 0.75 | 186.0 | 1.5208 | 1.1255 |
| 0.75 | 198.0 | 0.5719 | 1.0559 |
| 0.75 | 210.0 | -1.1458 | 1.1029 |
| 0.75 | 222.0 | 0.9654 | 0.9407 |
| 0.75 | 234.0 | -0.6366 | 0.7551 |
| 0.75 | 246.0 | -0.8796 | 0.8909 |
| 0.75 | 270.0 | -0.8953 | 0.9197 |
| 0.75 | 282.0 | 0.2745 | 0.7024 |
| 0.75 | 294.0 | -0.1791 | 0.9371 |
| 0.85 | 90.0 | 0.0268 | 1.1835 |
| 0.85 | 102.0 | 0.5497 | 0.9707 |
| 0.85 | 126.0 | -1.3868 | 1.0786 |
| 0.85 | 210.0 | -0.3474 | 0.984 |
| 0.85 | 222.0 | 0.5465 | 0.9007 |
| 0.85 | 234.0 | 0.2452 | 0.7303 |
| 0.85 | 246.0 | -0.7575 | 0.8451 |
| 0.85 | 258.0 | 0.0481 | 1.032 |
| 0.95 | 114.0 | 0.3011 | 3.6091 |
| 0.95 | 234.0 | 3.4008 | 2.8134 |
| 0.95 | 246.0 | 3.9293 | 3.0807 |
| 0.25 | 78.0 | 0.041 | 0.6895 |
| 0.35 | 66.0 | -0.6166 | 0.6605 |
| 0.35 | 78.0 | -0.0522 | 0.6034 |
| 0.35 | 90.0 | -1.6888 | 0.6689 |
| 0.35 | 270.0 | 0.3079 | 0.699 |
| 0.35 | 282.0 | 0.2017 | 0.6794 |
| 0.35 | 294.0 | 1.4448 | 0.6336 |
| 0.45 | 66.0 | 0.8527 | 0.7471 |
| 0.45 | 78.0 | 0.2647 | 0.6171 |
| 0.45 | 102.0 | -1.0849 | 0.6803 |
| 0.45 | 126.0 | -1.8867 | 0.7626 |
| 0.45 | 270.0 | 0.7357 | 0.6464 |
| 0.45 | 282.0 | -0.5275 | 0.6052 |
| 0.45 | 294.0 | -0.1343 | 0.6526 |
| 0.55 | 78.0 | -0.0258 | 0.6921 |
| 0.55 | 90.0 | -0.6899 | 0.7343 |
| 0.55 | 102.0 | 0.1625 | 0.7302 |
| 0.55 | 114.0 | 0.2665 | 0.6428 |
| 0.55 | 126.0 | -0.5453 | 0.7716 |
| 0.55 | 138.0 | -0.2468 | 0.854 |
| 0.55 | 246.0 | 0.3364 | 0.8068 |
| 0.55 | 258.0 | -1.7237 | 0.8408 |
| 0.55 | 270.0 | 0.0359 | 0.7029 |
| 0.55 | 282.0 | -0.3781 | 0.5366 |
| 0.65 | 66.0 | 0.141 | 0.6336 |
| 0.65 | 102.0 | -0.3223 | 0.6657 |
| 0.65 | 114.0 | -0.5344 | 0.5955 |
| 0.65 | 126.0 | 0.4597 | 0.5802 |
| 0.65 | 138.0 | -0.457 | 0.6858 |
| 0.65 | 210.0 | 0.5786 | 0.7411 |
| 0.65 | 222.0 | -0.1305 | 0.7194 |
| 0.65 | 234.0 | 0.918 | 0.606 |
| 0.65 | 246.0 | 0.6078 | 0.8025 |
| 0.65 | 258.0 | -0.5724 | 0.6829 |
| 0.65 | 270.0 | 0.4432 | 0.7742 |
| 0.65 | 282.0 | 0.5929 | 0.8306 |
| 0.65 | 294.0 | 0.3671 | 0.6303 |
| 0.75 | 66.0 | 0.7954 | 0.7335 |
| 0.75 | 78.0 | -0.2978 | 0.826 |
| 0.75 | 90.0 | 0.4296 | 0.8355 |
| 0.75 | 102.0 | 0.2666 | 0.7708 |
| 0.75 | 114.0 | -0.4454 | 0.6875 |
| 0.75 | 126.0 | -1.1532 | 0.6337 |
| 0.75 | 138.0 | 0.0565 | 0.6451 |
| 0.75 | 150.0 | -2.4462 | 0.8831 |
| 0.75 | 162.0 | 1.4423 | 0.9359 |
| 0.75 | 198.0 | -0.3897 | 0.838 |
| 0.75 | 210.0 | 0.2762 | 0.7857 |
| 0.75 | 222.0 | -0.3194 | 0.67 |
| 0.75 | 234.0 | -0.0468 | 0.7193 |
| 0.75 | 246.0 | -0.5232 | 0.7199 |
| 0.75 | 258.0 | -0.987 | 0.8494 |
| 0.75 | 270.0 | 1.4804 | 0.7188 |
| 0.75 | 282.0 | 1.0705 | 0.6292 |
| 0.75 | 294.0 | 0.8458 | 0.6476 |
| 0.85 | 90.0 | 0.1909 | 0.6666 |
| 0.85 | 102.0 | 0.5774 | 0.7352 |
| 0.85 | 114.0 | 0.488 | 0.8336 |
| 0.85 | 126.0 | -0.7832 | 0.8879 |
| 0.85 | 138.0 | 0.5907 | 0.8536 |
| 0.85 | 198.0 | -0.5856 | 1.0054 |
| 0.85 | 210.0 | -0.6201 | 0.7711 |
| 0.85 | 222.0 | 1.1382 | 0.7088 |
| 0.85 | 234.0 | -0.3385 | 0.7545 |
| 0.85 | 246.0 | 0.6315 | 0.7115 |
| 0.85 | 258.0 | 0.5842 | 0.8059 |
| 0.85 | 270.0 | 1.1599 | 0.8961 |
| 0.95 | 102.0 | 3.7396 | 1.2275 |
| 0.95 | 222.0 | 0.909 | 1.3837 |
| 0.95 | 234.0 | 1.6639 | 1.3255 |
| 0.95 | 246.0 | 0.1742 | 1.4989 |
Experiment comment: