Measurement E151M2069
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1069 | |
| Q2: | 0.0707 GeV2 | |
| W: | 1505.0 GeV | |
| Ebeam: | 2.2596 GeV | |
| ε: | 0.9085 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | -0.1312 | 0.593 |
| 0.25 | 66.0 | -0.0788 | 0.5114 |
| 0.25 | 78.0 | 0.0294 | 0.579 |
| 0.25 | 282.0 | -0.0078 | 0.5179 |
| 0.25 | 294.0 | -0.227 | 0.5675 |
| 0.35 | 66.0 | 0.1414 | 0.3891 |
| 0.35 | 78.0 | -0.0976 | 0.4467 |
| 0.35 | 90.0 | -0.7796 | 0.6273 |
| 0.35 | 270.0 | 0.6659 | 0.4881 |
| 0.35 | 282.0 | 0.6735 | 0.4072 |
| 0.35 | 294.0 | -0.7636 | 0.4701 |
| 0.35 | 306.0 | 0.7994 | 0.5928 |
| 0.45 | 66.0 | 0.7629 | 0.4067 |
| 0.45 | 78.0 | -0.0182 | 0.4241 |
| 0.45 | 90.0 | -0.6242 | 0.5475 |
| 0.45 | 102.0 | -0.1858 | 0.5889 |
| 0.45 | 126.0 | -1.0315 | 0.6833 |
| 0.45 | 258.0 | 0.7893 | 0.5794 |
| 0.45 | 270.0 | 0.5788 | 0.4088 |
| 0.45 | 282.0 | 0.4333 | 0.3889 |
| 0.45 | 294.0 | -0.284 | 0.4357 |
| 0.55 | 66.0 | -1.0266 | 0.589 |
| 0.55 | 78.0 | -0.5947 | 0.5371 |
| 0.55 | 90.0 | -0.3641 | 0.4799 |
| 0.55 | 102.0 | 0.4518 | 0.5789 |
| 0.55 | 114.0 | -0.175 | 0.5311 |
| 0.55 | 126.0 | -0.4625 | 0.4833 |
| 0.55 | 138.0 | -1.2666 | 0.5094 |
| 0.55 | 222.0 | -1.045 | 0.5802 |
| 0.55 | 234.0 | -0.1653 | 0.6288 |
| 0.55 | 246.0 | -0.531 | 0.7109 |
| 0.55 | 258.0 | 0.2548 | 0.6337 |
| 0.55 | 270.0 | -0.4526 | 0.4947 |
| 0.55 | 282.0 | 0.1666 | 0.3904 |
| 0.65 | 66.0 | -0.3934 | 0.5648 |
| 0.65 | 78.0 | -0.027 | 0.6605 |
| 0.65 | 102.0 | -0.1602 | 0.4893 |
| 0.65 | 114.0 | 0.0278 | 0.4569 |
| 0.65 | 126.0 | -0.0991 | 0.4995 |
| 0.65 | 138.0 | 0.1333 | 0.5278 |
| 0.65 | 150.0 | 0.9819 | 0.655 |
| 0.65 | 198.0 | -0.0122 | 0.8351 |
| 0.65 | 210.0 | -0.0718 | 0.6596 |
| 0.65 | 222.0 | -0.2907 | 0.7113 |
| 0.65 | 234.0 | 0.4338 | 0.528 |
| 0.65 | 246.0 | -1.1978 | 0.5686 |
| 0.65 | 258.0 | 0.7315 | 0.5561 |
| 0.65 | 270.0 | 0.0683 | 0.6352 |
| 0.65 | 282.0 | -0.461 | 0.6686 |
| 0.65 | 294.0 | -0.0228 | 0.5094 |
| 0.65 | 306.0 | -0.5618 | 0.6403 |
| 0.75 | 66.0 | 0.4366 | 0.6539 |
| 0.75 | 78.0 | 0.0552 | 0.7392 |
| 0.75 | 90.0 | 0.7621 | 0.6841 |
| 0.75 | 102.0 | 0.5685 | 0.685 |
| 0.75 | 114.0 | 0.4849 | 0.4752 |
| 0.75 | 126.0 | 0.464 | 0.4792 |
| 0.75 | 138.0 | 0.3421 | 0.6036 |
| 0.75 | 150.0 | 0.8451 | 0.6856 |
| 0.75 | 198.0 | 0.0462 | 0.7197 |
| 0.75 | 210.0 | -0.3088 | 0.5822 |
| 0.75 | 222.0 | -0.5426 | 0.5177 |
| 0.75 | 234.0 | -0.849 | 0.533 |
| 0.75 | 246.0 | 0.637 | 0.4945 |
| 0.75 | 258.0 | -0.0862 | 0.64 |
| 0.75 | 270.0 | -0.3808 | 0.7632 |
| 0.75 | 282.0 | -0.0183 | 0.5276 |
| 0.75 | 294.0 | 0.2151 | 0.5303 |
| 0.85 | 90.0 | 0.3218 | 0.6187 |
| 0.85 | 102.0 | 0.3187 | 0.6022 |
| 0.85 | 126.0 | 0.047 | 0.7179 |
| 0.85 | 138.0 | -0.2709 | 0.7498 |
| 0.85 | 198.0 | 1.5276 | 0.7419 |
| 0.85 | 210.0 | 0.0148 | 0.6491 |
| 0.85 | 222.0 | 0.2573 | 0.6084 |
| 0.85 | 234.0 | -0.3096 | 0.6107 |
| 0.85 | 246.0 | -0.8674 | 0.5767 |
| 0.85 | 258.0 | 0.0243 | 0.7215 |
| 0.85 | 270.0 | -0.1746 | 0.7293 |
| 0.95 | 102.0 | -0.7496 | 1.2022 |
| 0.95 | 114.0 | 0.3566 | 0.9813 |
| 0.95 | 210.0 | -0.4372 | 1.4223 |
| 0.95 | 222.0 | -0.8412 | 1.4446 |
| 0.95 | 234.0 | -0.6143 | 1.0878 |
| 0.95 | 246.0 | 0.3115 | 1.2633 |
| 0.55 | 294.0 | -1.1887 | 1.4559 |
| 0.65 | 66.0 | 2.5975 | 1.4741 |
| 0.65 | 78.0 | -2.1431 | 1.688 |
| 0.65 | 90.0 | -0.545 | 1.8531 |
| 0.65 | 102.0 | 0.8347 | 1.6315 |
| 0.65 | 114.0 | -0.2935 | 1.3915 |
| 0.65 | 126.0 | -0.8587 | 1.3936 |
| 0.65 | 138.0 | 0.6735 | 1.6287 |
| 0.65 | 150.0 | -0.8415 | 1.8966 |
| 0.65 | 198.0 | -2.0986 | 1.6837 |
| 0.65 | 210.0 | -1.5656 | 1.4306 |
| 0.65 | 222.0 | 0.4618 | 1.1908 |
| 0.65 | 234.0 | 0.1023 | 1.2273 |
| 0.65 | 246.0 | -0.7252 | 1.3291 |
| 0.65 | 258.0 | 0.3115 | 1.4166 |
| 0.65 | 270.0 | -0.082 | 1.3868 |
| 0.65 | 282.0 | 0.6053 | 1.3501 |
| 0.65 | 294.0 | 0.2561 | 1.1915 |
| 0.65 | 306.0 | 0.1654 | 1.4913 |
| 0.75 | 66.0 | -4.5364 | 1.4081 |
| 0.75 | 78.0 | 1.1784 | 2.0323 |
| 0.75 | 102.0 | 1.1065 | 1.8429 |
| 0.75 | 114.0 | 1.0147 | 1.2523 |
| 0.75 | 126.0 | 0.2141 | 1.4781 |
| 0.75 | 138.0 | -0.5154 | 1.3263 |
| 0.75 | 150.0 | 1.7588 | 1.8309 |
| 0.75 | 198.0 | 1.7839 | 1.9372 |
| 0.75 | 210.0 | 1.818 | 1.4618 |
| 0.75 | 222.0 | 0.222 | 1.3613 |
| 0.75 | 234.0 | 0.6582 | 1.1109 |
| 0.75 | 246.0 | 0.1767 | 1.2442 |
| 0.75 | 258.0 | 1.381 | 1.7419 |
| 0.75 | 270.0 | -1.2064 | 1.5396 |
| 0.75 | 282.0 | -0.7976 | 1.3367 |
| 0.75 | 294.0 | 0.0396 | 1.2904 |
| 0.85 | 90.0 | 2.0125 | 2.0849 |
| 0.85 | 102.0 | 2.9567 | 1.7674 |
| 0.85 | 114.0 | 2.4705 | 1.9821 |
| 0.85 | 126.0 | -2.4705 | 1.9685 |
| 0.85 | 138.0 | -0.35 | 2.1925 |
| 0.85 | 198.0 | -0.767 | 2.1138 |
| 0.85 | 210.0 | 2.8938 | 1.6504 |
| 0.85 | 222.0 | 2.2871 | 1.6983 |
| 0.85 | 234.0 | -0.3394 | 1.3624 |
| 0.85 | 246.0 | -0.7404 | 1.3856 |
| 0.85 | 258.0 | 0.3062 | 1.7536 |
| 0.85 | 270.0 | -0.2446 | 1.7847 |
| 0.95 | 234.0 | 7.9958 | 4.2341 |
| 0.95 | 246.0 | -9.0878 | 4.7034 |
Experiment comment: