Measurement E151M1769
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.1178 | |
| Q2: | 0.0415 GeV2 | |
| W: | 1385.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9377 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.15 | 30.0 | -0.5209 | 0.7689 |
| 0.25 | 30.0 | 0.4846 | 0.766 |
| 0.25 | 42.0 | -0.6487 | 0.8692 |
| 0.25 | 54.0 | 0.908 | 0.8256 |
| 0.25 | 66.0 | -1.0324 | 0.7095 |
| 0.25 | 78.0 | -1.0458 | 0.6463 |
| 0.25 | 282.0 | 0.7473 | 0.7277 |
| 0.25 | 294.0 | -1.4759 | 0.5081 |
| 0.25 | 306.0 | 0.7357 | 0.7204 |
| 0.35 | 30.0 | -0.7377 | 0.7679 |
| 0.35 | 54.0 | 1.5674 | 0.6351 |
| 0.35 | 66.0 | -0.3512 | 0.4488 |
| 0.35 | 78.0 | -0.1985 | 0.4498 |
| 0.35 | 90.0 | -0.3218 | 0.6606 |
| 0.35 | 270.0 | 0.6482 | 0.8198 |
| 0.35 | 282.0 | -0.4946 | 0.4737 |
| 0.35 | 294.0 | 0.0435 | 0.4749 |
| 0.35 | 306.0 | 0.6367 | 0.6281 |
| 0.45 | 66.0 | -0.5902 | 0.4267 |
| 0.45 | 78.0 | -0.4103 | 0.3617 |
| 0.45 | 90.0 | 0.4469 | 0.4507 |
| 0.45 | 102.0 | 0.0004 | 0.7367 |
| 0.45 | 270.0 | 0.136 | 0.4907 |
| 0.45 | 282.0 | -0.5229 | 0.3697 |
| 0.45 | 294.0 | -0.7385 | 0.4088 |
| 0.45 | 306.0 | 1.3779 | 0.4286 |
| 0.55 | 66.0 | 0.0583 | 0.6006 |
| 0.55 | 78.0 | -0.0852 | 0.3842 |
| 0.55 | 90.0 | 0.1214 | 0.4895 |
| 0.55 | 102.0 | 0.0421 | 0.6286 |
| 0.55 | 114.0 | -0.8457 | 0.6278 |
| 0.55 | 126.0 | -1.6343 | 0.7034 |
| 0.55 | 234.0 | 0.8779 | 0.7402 |
| 0.55 | 246.0 | -0.4504 | 0.6859 |
| 0.55 | 258.0 | -0.0149 | 0.6045 |
| 0.55 | 270.0 | -0.0092 | 0.4945 |
| 0.55 | 282.0 | -0.4181 | 0.3984 |
| 0.55 | 294.0 | 0.076 | 0.4784 |
| 0.55 | 306.0 | -0.166 | 0.7204 |
| 0.65 | 66.0 | 0.0104 | 0.5334 |
| 0.65 | 78.0 | -1.2495 | 0.4784 |
| 0.65 | 90.0 | -0.5504 | 0.5375 |
| 0.65 | 102.0 | 0.6622 | 0.5031 |
| 0.65 | 114.0 | -0.9151 | 0.4143 |
| 0.65 | 126.0 | 0.0835 | 0.4965 |
| 0.65 | 138.0 | 0.1096 | 0.5147 |
| 0.65 | 150.0 | -0.1706 | 0.8159 |
| 0.65 | 162.0 | -0.5415 | 0.8086 |
| 0.65 | 198.0 | -0.2224 | 0.8215 |
| 0.65 | 210.0 | -0.8746 | 0.591 |
| 0.65 | 222.0 | 1.0905 | 0.4646 |
| 0.65 | 234.0 | 0.3968 | 0.4799 |
| 0.65 | 246.0 | -0.4232 | 0.4124 |
| 0.65 | 258.0 | 0.0587 | 0.4345 |
| 0.65 | 270.0 | 0.0615 | 0.5238 |
| 0.65 | 282.0 | 0.9716 | 0.5077 |
| 0.65 | 294.0 | 0.1801 | 0.6149 |
| 0.75 | 78.0 | 1.362 | 0.552 |
| 0.75 | 90.0 | 1.7367 | 0.6091 |
| 0.75 | 102.0 | 0.9597 | 0.5217 |
| 0.75 | 114.0 | 0.4584 | 0.4759 |
| 0.75 | 126.0 | 0.1139 | 0.4159 |
| 0.75 | 138.0 | -0.3429 | 0.42 |
| 0.75 | 150.0 | 0.4566 | 0.5545 |
| 0.75 | 162.0 | 0.2064 | 0.7655 |
| 0.75 | 198.0 | 0.538 | 0.542 |
| 0.75 | 210.0 | 0.1847 | 0.5146 |
| 0.75 | 222.0 | 0.119 | 0.4238 |
| 0.75 | 234.0 | 0.8142 | 0.3598 |
| 0.75 | 246.0 | 1.1026 | 0.4044 |
| 0.75 | 258.0 | 0.158 | 0.5026 |
| 0.75 | 270.0 | 1.2034 | 0.5208 |
| 0.75 | 282.0 | 0.2645 | 0.7928 |
| 0.85 | 102.0 | 0.4875 | 0.7865 |
| 0.85 | 114.0 | 0.0889 | 0.6568 |
| 0.85 | 126.0 | -0.0126 | 0.5066 |
| 0.85 | 138.0 | -0.3021 | 0.5632 |
| 0.85 | 150.0 | -0.7171 | 0.6047 |
| 0.85 | 162.0 | 0.9309 | 0.7537 |
| 0.85 | 174.0 | 0.7315 | 0.8662 |
| 0.85 | 198.0 | -0.1785 | 0.7236 |
| 0.85 | 210.0 | -0.1778 | 0.5725 |
| 0.85 | 222.0 | -0.2171 | 0.4315 |
| 0.85 | 234.0 | -0.3896 | 0.3944 |
| 0.85 | 246.0 | -0.42 | 0.3797 |
| 0.85 | 258.0 | -0.3101 | 0.4181 |
| 0.85 | 270.0 | -0.1105 | 0.5799 |
| 0.95 | 222.0 | 1.1705 | 0.5152 |
| 0.95 | 234.0 | -0.4791 | 0.5273 |
| 0.95 | 246.0 | -0.6804 | 0.6766 |
Experiment comment: