Measurement E151M2205
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.7196 | |
| Q2: | 0.2915 GeV2 | |
| W: | 1325.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9542 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| -0.15 | 306.0 | -1.3938 | 0.7061 |
| -0.05 | 54.0 | -2.318 | 2.318 |
| -0.05 | 306.0 | -0.2507 | 0.7507 |
| 0.05 | 54.0 | 0.2064 | 0.8152 |
| 0.05 | 66.0 | -0.0427 | 0.8368 |
| 0.15 | 54.0 | 2.3131 | 2.3131 |
| 0.15 | 66.0 | 0.1133 | 0.6546 |
| 0.15 | 306.0 | -0.6966 | 0.7998 |
| 0.25 | 54.0 | 0.8358 | 0.8524 |
| 0.25 | 66.0 | 0.7699 | 0.627 |
| 0.25 | 78.0 | -0.6243 | 0.9072 |
| 0.25 | 294.0 | -0.0676 | 0.7509 |
| 0.25 | 306.0 | -1.0224 | 0.7045 |
| 0.35 | 66.0 | 1.3804 | 0.6859 |
| 0.35 | 294.0 | 0.6454 | 0.8034 |
| 0.45 | 294.0 | 1.7699 | 0.6323 |
| 0.55 | 78.0 | 0.2543 | 0.7149 |
| 0.55 | 90.0 | -0.5258 | 0.6355 |
| 0.55 | 102.0 | 0.3561 | 0.8248 |
| 0.55 | 270.0 | -0.15 | 0.7287 |
| 0.55 | 282.0 | 0.0685 | 0.6184 |
| 0.55 | 294.0 | 1.478 | 0.7022 |
| 0.65 | 66.0 | 0.1197 | 0.5668 |
| 0.65 | 78.0 | -1.1095 | 0.559 |
| 0.65 | 90.0 | 0.0895 | 0.4651 |
| 0.65 | 102.0 | 1.5533 | 0.6273 |
| 0.65 | 258.0 | 1.5916 | 0.6634 |
| 0.65 | 270.0 | 0.4037 | 0.4956 |
| 0.65 | 282.0 | -0.1333 | 0.4821 |
| 0.65 | 294.0 | -0.3257 | 0.559 |
| 0.75 | 54.0 | -0.3776 | 0.706 |
| 0.75 | 66.0 | 0.273 | 0.5474 |
| 0.75 | 78.0 | 0.4523 | 0.4419 |
| 0.75 | 90.0 | 0.6174 | 0.406 |
| 0.75 | 102.0 | -0.9733 | 0.4676 |
| 0.75 | 114.0 | -0.7208 | 0.5474 |
| 0.75 | 234.0 | -1.798 | 0.6929 |
| 0.75 | 246.0 | 1.0142 | 0.5983 |
| 0.75 | 258.0 | -0.5894 | 0.5707 |
| 0.75 | 270.0 | 0.2433 | 0.4302 |
| 0.75 | 282.0 | -0.0453 | 0.4315 |
| 0.75 | 294.0 | 0.1319 | 0.4814 |
| 0.75 | 306.0 | -0.1024 | 0.5249 |
| 0.85 | 42.0 | 0.1664 | 0.822 |
| 0.85 | 66.0 | 0.5336 | 0.5263 |
| 0.85 | 78.0 | 0.4478 | 0.3981 |
| 0.85 | 90.0 | -0.0049 | 0.4302 |
| 0.85 | 102.0 | 0.4569 | 0.4409 |
| 0.85 | 114.0 | 0.5643 | 0.5195 |
| 0.85 | 126.0 | 0.8849 | 0.5924 |
| 0.85 | 210.0 | 0.4441 | 0.7356 |
| 0.85 | 222.0 | -0.6202 | 0.6588 |
| 0.85 | 234.0 | 0.5932 | 0.514 |
| 0.85 | 246.0 | 0.5752 | 0.4908 |
| 0.85 | 258.0 | 0.1569 | 0.4711 |
| 0.85 | 270.0 | 0.0521 | 0.4316 |
| 0.85 | 282.0 | 0.4961 | 0.4163 |
| 0.85 | 294.0 | 0.3418 | 0.3993 |
| 0.85 | 306.0 | 0.1408 | 0.3632 |
| 0.85 | 318.0 | -0.1636 | 0.5686 |
| 0.95 | 54.0 | 0.8313 | 0.8003 |
| 0.95 | 66.0 | 1.4079 | 0.5803 |
| 0.95 | 78.0 | 1.2311 | 0.5146 |
| 0.95 | 90.0 | -0.7851 | 0.5391 |
| 0.95 | 102.0 | 1.3855 | 0.6027 |
| 0.95 | 114.0 | 0.1217 | 0.5579 |
| 0.95 | 126.0 | -0.2905 | 0.6403 |
| 0.95 | 138.0 | 0.4315 | 0.6871 |
| 0.95 | 174.0 | 0.7144 | 0.8495 |
| 0.95 | 186.0 | 0.5751 | 0.795 |
| 0.95 | 198.0 | -0.6652 | 0.6493 |
| 0.95 | 210.0 | 0.0975 | 0.5803 |
| 0.95 | 222.0 | 0.1027 | 0.5547 |
| 0.95 | 234.0 | 0.8064 | 0.5315 |
| 0.95 | 246.0 | -0.0489 | 0.548 |
| 0.95 | 258.0 | -0.6089 | 0.5077 |
| 0.95 | 270.0 | 0.4615 | 0.4694 |
| 0.95 | 282.0 | -0.0268 | 0.4697 |
| 0.95 | 294.0 | 0.7376 | 0.4373 |
| 0.95 | 306.0 | 0.1777 | 0.4795 |
| 0.95 | 318.0 | 0.645 | 0.4413 |
| 0.95 | 330.0 | 0.1242 | 0.6481 |
Experiment comment: