Measurement E151M2322
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1465 | |
| Q2: | 0.1715 GeV2 | |
| W: | 1625.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.905 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 54.0 | 1.1227 | 0.8363 |
| 0.25 | 66.0 | -0.1075 | 0.9676 |
| 0.25 | 78.0 | -0.4029 | 0.9758 |
| 0.25 | 270.0 | 0.8717 | 0.9334 |
| 0.25 | 282.0 | 0.2606 | 0.8625 |
| 0.25 | 294.0 | -1.5944 | 0.8677 |
| 0.35 | 66.0 | -0.0533 | 0.8081 |
| 0.35 | 114.0 | 0.4326 | 0.9893 |
| 0.35 | 258.0 | 1.7056 | 0.9197 |
| 0.35 | 270.0 | 0.3852 | 0.6961 |
| 0.35 | 282.0 | 0.8892 | 0.7735 |
| 0.35 | 294.0 | 0.6731 | 0.8979 |
| 0.45 | 66.0 | 1.0107 | 0.8908 |
| 0.45 | 78.0 | 0.1972 | 1.0262 |
| 0.45 | 90.0 | 0.1771 | 0.987 |
| 0.45 | 102.0 | -1.2027 | 0.7426 |
| 0.45 | 114.0 | -0.1159 | 0.7081 |
| 0.45 | 126.0 | 0.5826 | 0.9083 |
| 0.45 | 258.0 | -0.4604 | 0.8363 |
| 0.45 | 270.0 | 0.0362 | 0.7358 |
| 0.45 | 282.0 | -0.258 | 0.7598 |
| 0.45 | 294.0 | -1.1174 | 0.9143 |
| 0.55 | 42.0 | -0.1184 | 0.9759 |
| 0.55 | 54.0 | -0.6274 | 0.8182 |
| 0.55 | 66.0 | -0.745 | 0.8266 |
| 0.55 | 90.0 | 0.2849 | 0.8138 |
| 0.55 | 102.0 | -0.6297 | 0.643 |
| 0.55 | 114.0 | -0.1357 | 0.7074 |
| 0.55 | 126.0 | 0.2878 | 0.9289 |
| 0.55 | 138.0 | -1.5213 | 0.8087 |
| 0.55 | 210.0 | -0.844 | 1.1354 |
| 0.55 | 222.0 | 2.5108 | 0.8701 |
| 0.55 | 234.0 | -1.3255 | 1.0031 |
| 0.55 | 246.0 | 1.36 | 0.9453 |
| 0.55 | 258.0 | 0.681 | 0.8435 |
| 0.55 | 270.0 | 1.2633 | 0.6187 |
| 0.55 | 282.0 | 0.3132 | 0.7345 |
| 0.55 | 294.0 | -1.3819 | 0.7993 |
| 0.55 | 306.0 | -0.6684 | 0.8174 |
| 0.65 | 54.0 | 1.5004 | 0.827 |
| 0.65 | 90.0 | -0.5385 | 0.6979 |
| 0.65 | 102.0 | 0.352 | 0.5474 |
| 0.65 | 114.0 | -0.2512 | 0.5524 |
| 0.65 | 126.0 | 1.3009 | 0.6017 |
| 0.65 | 138.0 | 0.761 | 0.7967 |
| 0.65 | 150.0 | 1.3335 | 0.8898 |
| 0.65 | 174.0 | 0.1995 | 1.0413 |
| 0.65 | 186.0 | -0.1819 | 1.1075 |
| 0.65 | 198.0 | -0.9325 | 0.9016 |
| 0.65 | 210.0 | -0.0188 | 0.7587 |
| 0.65 | 222.0 | 0.6974 | 0.6339 |
| 0.65 | 234.0 | 0.7957 | 0.8615 |
| 0.65 | 246.0 | 0.9409 | 0.7678 |
| 0.65 | 258.0 | -0.4864 | 0.8543 |
| 0.65 | 270.0 | 1.1983 | 0.7915 |
| 0.65 | 282.0 | -1.3497 | 0.7118 |
| 0.65 | 294.0 | -0.5983 | 0.5989 |
| 0.65 | 306.0 | 0.8283 | 0.8002 |
| 0.75 | 66.0 | -1.292 | 0.9778 |
| 0.75 | 78.0 | 1.4689 | 0.624 |
| 0.75 | 90.0 | 0.31 | 0.7851 |
| 0.75 | 102.0 | 0.1694 | 0.6459 |
| 0.75 | 114.0 | -0.2272 | 0.5409 |
| 0.75 | 126.0 | 0.1882 | 0.6238 |
| 0.75 | 138.0 | -0.6611 | 0.8422 |
| 0.75 | 150.0 | -0.5739 | 0.9578 |
| 0.75 | 174.0 | -0.2395 | 1.0769 |
| 0.75 | 186.0 | 0.5871 | 0.6942 |
| 0.75 | 198.0 | -0.3608 | 0.707 |
| 0.75 | 210.0 | -0.6272 | 0.6813 |
| 0.75 | 222.0 | -0.6728 | 0.5677 |
| 0.75 | 234.0 | -0.0925 | 0.5986 |
| 0.75 | 246.0 | 0.5696 | 0.6629 |
| 0.75 | 258.0 | 0.1741 | 0.7307 |
| 0.75 | 270.0 | -0.7053 | 0.9142 |
| 0.75 | 282.0 | -0.1374 | 0.5842 |
| 0.75 | 294.0 | -0.1902 | 0.6242 |
| 0.75 | 306.0 | 0.5381 | 0.9306 |
| 0.85 | 66.0 | 0.6571 | 0.7184 |
| 0.85 | 78.0 | 1.2744 | 0.4729 |
| 0.85 | 90.0 | -0.7187 | 0.5641 |
| 0.85 | 102.0 | 1.1058 | 0.7017 |
| 0.85 | 114.0 | 0.0019 | 0.9037 |
| 0.85 | 126.0 | 0.0263 | 0.6702 |
| 0.85 | 138.0 | -0.8504 | 0.7433 |
| 0.85 | 174.0 | -0.9572 | 0.9589 |
| 0.85 | 186.0 | -1.2989 | 0.7997 |
| 0.85 | 198.0 | -0.3532 | 0.6964 |
| 0.85 | 210.0 | -0.9869 | 0.5386 |
| 0.85 | 222.0 | -0.2748 | 0.5315 |
| 0.85 | 234.0 | -0.7009 | 0.4992 |
| 0.85 | 246.0 | -0.2345 | 0.5198 |
| 0.85 | 258.0 | 0.9885 | 0.5638 |
| 0.85 | 270.0 | -0.4587 | 0.7985 |
| 0.95 | 78.0 | 0.934 | 0.7422 |
| 0.95 | 90.0 | 0.6121 | 0.6399 |
| 0.95 | 102.0 | 0.0172 | 0.8026 |
| 0.95 | 114.0 | 0.3278 | 0.7792 |
| 0.95 | 174.0 | 0.5911 | 0.9751 |
| 0.95 | 186.0 | -0.4284 | 0.8178 |
| 0.95 | 198.0 | 1.1201 | 0.7623 |
| 0.95 | 210.0 | 0.0655 | 0.616 |
| 0.95 | 222.0 | -0.595 | 0.619 |
| 0.95 | 234.0 | 0.3239 | 0.6208 |
| 0.95 | 246.0 | -0.0538 | 0.4991 |
| 0.95 | 258.0 | 0.6459 | 0.4962 |
| 0.95 | 270.0 | 0.2614 | 0.4913 |
| 0.95 | 282.0 | 0.4239 | 0.7071 |
Experiment comment: