Measurement E151M2225
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.3964 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9599 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| -0.15 | 30.0 | 0.2256 | 0.855 |
| -0.05 | 306.0 | 0.3961 | 0.6988 |
| 0.05 | 54.0 | 0.0765 | 0.6419 |
| 0.05 | 66.0 | 0.4344 | 0.757 |
| 0.05 | 294.0 | -0.9511 | 0.7927 |
| 0.05 | 306.0 | 0.5693 | 0.6133 |
| 0.15 | 54.0 | 0.2405 | 0.5726 |
| 0.15 | 66.0 | -0.1004 | 0.5888 |
| 0.15 | 78.0 | -0.6174 | 0.9236 |
| 0.15 | 294.0 | -0.8322 | 0.5319 |
| 0.15 | 306.0 | -0.4678 | 0.5298 |
| 0.15 | 318.0 | 1.1138 | 0.6481 |
| 0.25 | 54.0 | 0.1767 | 0.5472 |
| 0.25 | 66.0 | 0.1636 | 0.43 |
| 0.25 | 78.0 | 0.4956 | 0.6311 |
| 0.25 | 282.0 | -0.3481 | 0.5804 |
| 0.25 | 294.0 | -0.6743 | 0.5076 |
| 0.25 | 306.0 | 0.453 | 0.559 |
| 0.35 | 54.0 | -0.6977 | 0.6385 |
| 0.35 | 66.0 | 0.3956 | 0.4573 |
| 0.35 | 78.0 | -0.0913 | 0.5677 |
| 0.35 | 282.0 | -0.332 | 0.5107 |
| 0.35 | 294.0 | 0.169 | 0.4701 |
| 0.35 | 306.0 | -0.5151 | 0.6856 |
| 0.45 | 54.0 | 1.1959 | 0.5458 |
| 0.45 | 66.0 | 0.5579 | 0.4525 |
| 0.45 | 78.0 | -0.1997 | 0.6121 |
| 0.45 | 90.0 | -1.1176 | 0.7522 |
| 0.45 | 102.0 | -1.0559 | 0.8792 |
| 0.45 | 270.0 | 0.324 | 0.615 |
| 0.45 | 282.0 | 0.107 | 0.4848 |
| 0.45 | 294.0 | -0.579 | 0.4359 |
| 0.45 | 306.0 | 0.3881 | 0.6488 |
| 0.45 | 318.0 | -0.1229 | 0.7747 |
| 0.55 | 54.0 | 1.1641 | 0.563 |
| 0.55 | 66.0 | 1.2682 | 0.6543 |
| 0.55 | 78.0 | 0.5013 | 0.5596 |
| 0.55 | 90.0 | 1.3483 | 0.4649 |
| 0.55 | 102.0 | -0.0732 | 0.5706 |
| 0.55 | 114.0 | 0.3335 | 0.7307 |
| 0.55 | 258.0 | 0.7928 | 0.6197 |
| 0.55 | 270.0 | 0.5722 | 0.4931 |
| 0.55 | 282.0 | 0.4993 | 0.4843 |
| 0.55 | 294.0 | 1.0999 | 0.5051 |
| 0.55 | 306.0 | -1.3916 | 0.5721 |
| 0.65 | 66.0 | -0.4605 | 0.7595 |
| 0.65 | 78.0 | -0.093 | 0.5045 |
| 0.65 | 90.0 | 0.3875 | 0.3937 |
| 0.65 | 102.0 | -0.5957 | 0.3831 |
| 0.65 | 114.0 | -0.9147 | 0.4305 |
| 0.65 | 126.0 | 0.2179 | 0.7321 |
| 0.65 | 246.0 | 0.2134 | 0.5019 |
| 0.65 | 258.0 | 0.4606 | 0.4321 |
| 0.65 | 270.0 | 0.2377 | 0.4597 |
| 0.65 | 282.0 | -0.5992 | 0.4662 |
| 0.65 | 294.0 | 1.5465 | 0.8103 |
| 0.65 | 306.0 | 0.0127 | 0.664 |
| 0.75 | 66.0 | -0.595 | 0.6085 |
| 0.75 | 78.0 | 0.2437 | 0.3898 |
| 0.75 | 90.0 | 0.2123 | 0.3063 |
| 0.75 | 102.0 | -0.1632 | 0.3347 |
| 0.75 | 114.0 | -0.0157 | 0.3646 |
| 0.75 | 126.0 | 0.0436 | 0.4284 |
| 0.75 | 138.0 | 0.5992 | 0.6579 |
| 0.75 | 210.0 | -1.041 | 0.8048 |
| 0.75 | 222.0 | 0.5424 | 0.527 |
| 0.75 | 234.0 | -0.3512 | 0.4703 |
| 0.75 | 246.0 | 0.2052 | 0.3759 |
| 0.75 | 258.0 | 0.8559 | 0.3399 |
| 0.75 | 270.0 | 0.0854 | 0.3403 |
| 0.75 | 282.0 | 0.3479 | 0.381 |
| 0.75 | 294.0 | 0.7963 | 0.4721 |
| 0.85 | 54.0 | 0.1736 | 0.8364 |
| 0.85 | 66.0 | 0.357 | 0.4034 |
| 0.85 | 78.0 | -0.0759 | 0.49 |
| 0.85 | 90.0 | 0.3972 | 0.3155 |
| 0.85 | 102.0 | -0.4822 | 0.3337 |
| 0.85 | 114.0 | 0.227 | 0.3558 |
| 0.85 | 126.0 | -0.2929 | 0.377 |
| 0.85 | 138.0 | 0.5156 | 0.4701 |
| 0.85 | 150.0 | 0.1124 | 0.6507 |
| 0.85 | 162.0 | 0.0566 | 0.8165 |
| 0.85 | 174.0 | -0.3551 | 0.7534 |
| 0.85 | 186.0 | 1.2277 | 0.6216 |
| 0.85 | 198.0 | -0.1034 | 0.6355 |
| 0.85 | 210.0 | 0.672 | 0.4807 |
| 0.85 | 222.0 | -0.147 | 0.3919 |
| 0.85 | 234.0 | 0.4629 | 0.3425 |
| 0.85 | 246.0 | 0.314 | 0.3021 |
| 0.85 | 258.0 | 0.0496 | 0.3033 |
| 0.85 | 270.0 | -0.6285 | 0.2944 |
| 0.85 | 282.0 | -0.032 | 0.331 |
| 0.85 | 294.0 | -0.0792 | 0.3177 |
| 0.85 | 306.0 | 0.3656 | 0.5746 |
| 0.95 | 54.0 | 0.4265 | 0.6156 |
| 0.95 | 66.0 | 0.1188 | 0.4373 |
| 0.95 | 78.0 | 0.9931 | 0.6853 |
| 0.95 | 90.0 | -0.5507 | 0.6057 |
| 0.95 | 102.0 | 0.9019 | 0.3957 |
| 0.95 | 114.0 | -0.4072 | 0.4243 |
| 0.95 | 126.0 | 0.5 | 0.4098 |
| 0.95 | 138.0 | -0.6472 | 0.5373 |
| 0.95 | 150.0 | 1.6191 | 0.4914 |
| 0.95 | 162.0 | 1.5727 | 0.5892 |
| 0.95 | 174.0 | 0.921 | 0.5668 |
| 0.95 | 186.0 | 0.4345 | 0.599 |
| 0.95 | 198.0 | -0.6178 | 0.6065 |
| 0.95 | 210.0 | 0.0187 | 0.4456 |
| 0.95 | 222.0 | -0.1712 | 0.4099 |
| 0.95 | 234.0 | -0.0008 | 0.3817 |
| 0.95 | 246.0 | -0.222 | 0.3559 |
| 0.95 | 258.0 | 0.0081 | 0.3477 |
| 0.95 | 270.0 | 0.6377 | 0.3202 |
| 0.95 | 282.0 | 0.8181 | 0.3116 |
| 0.95 | 294.0 | -0.4843 | 0.3001 |
| 0.95 | 306.0 | 0.06 | 0.4271 |
Experiment comment: