Measurement E151M1791
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALL | |
| εL: | 0.2484 | |
| Q2: | 0.1205 GeV2 | |
| W: | 1415.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.9033 | |
| cos(θπ+) | φ(π+), [deg] | ALL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 1.0684 | 0.7533 |
| 0.25 | 78.0 | -0.4584 | 0.8265 |
| 0.25 | 294.0 | 0.9474 | 0.6753 |
| 0.25 | 306.0 | -0.7032 | 0.7978 |
| 0.35 | 66.0 | -0.2833 | 0.6077 |
| 0.35 | 78.0 | -0.1247 | 0.5895 |
| 0.35 | 282.0 | -1.1124 | 0.5899 |
| 0.35 | 294.0 | 0.4894 | 0.5977 |
| 0.35 | 306.0 | 1.0039 | 0.6589 |
| 0.45 | 66.0 | 0.4287 | 0.7104 |
| 0.45 | 78.0 | -1.0642 | 0.6048 |
| 0.45 | 90.0 | -0.7595 | 0.817 |
| 0.45 | 282.0 | 0.9146 | 0.6766 |
| 0.45 | 294.0 | -0.0088 | 0.5763 |
| 0.55 | 66.0 | 0.1045 | 0.734 |
| 0.55 | 78.0 | -0.4358 | 0.639 |
| 0.55 | 90.0 | -0.4641 | 0.7563 |
| 0.55 | 114.0 | 0.3344 | 0.7899 |
| 0.55 | 258.0 | -1.1678 | 0.7593 |
| 0.55 | 270.0 | -1.1058 | 0.7609 |
| 0.55 | 282.0 | 0.6415 | 0.7117 |
| 0.55 | 306.0 | -1.0088 | 0.7511 |
| 0.65 | 54.0 | -0.3383 | 0.8654 |
| 0.65 | 66.0 | 1.4041 | 0.705 |
| 0.65 | 90.0 | 1.1705 | 0.7678 |
| 0.65 | 102.0 | 0.6798 | 0.5996 |
| 0.65 | 114.0 | 0.511 | 0.6116 |
| 0.65 | 126.0 | 0.9863 | 0.6353 |
| 0.65 | 138.0 | 0.3358 | 0.7575 |
| 0.65 | 222.0 | -0.4839 | 0.8488 |
| 0.65 | 234.0 | -0.4725 | 0.8285 |
| 0.65 | 246.0 | 0.0467 | 0.6445 |
| 0.65 | 258.0 | 0.0542 | 0.6241 |
| 0.65 | 270.0 | -0.1676 | 0.7314 |
| 0.75 | 90.0 | 0.9218 | 0.6348 |
| 0.75 | 102.0 | 0.6961 | 0.4674 |
| 0.75 | 114.0 | 0.0698 | 0.4801 |
| 0.75 | 126.0 | -0.5916 | 0.5423 |
| 0.75 | 138.0 | 0.4424 | 0.7372 |
| 0.75 | 210.0 | 0.0582 | 0.6872 |
| 0.75 | 222.0 | -0.1957 | 0.6204 |
| 0.75 | 234.0 | -0.0313 | 0.5819 |
| 0.75 | 246.0 | 0.8417 | 0.4852 |
| 0.75 | 258.0 | -0.2483 | 0.5003 |
| 0.75 | 270.0 | 0.2585 | 0.6032 |
| 0.85 | 78.0 | 0.8292 | 0.7025 |
| 0.85 | 90.0 | -0.4269 | 0.8331 |
| 0.85 | 102.0 | -0.9064 | 0.5549 |
| 0.85 | 114.0 | -0.0129 | 0.5384 |
| 0.85 | 126.0 | 0.9008 | 0.5918 |
| 0.85 | 138.0 | 0.3702 | 0.6043 |
| 0.85 | 150.0 | 0.2806 | 0.7911 |
| 0.85 | 210.0 | 0.966 | 0.7564 |
| 0.85 | 222.0 | 0.3367 | 0.5372 |
| 0.85 | 234.0 | 0.0805 | 0.5847 |
| 0.85 | 246.0 | 0.4511 | 0.478 |
| 0.85 | 258.0 | 0.1183 | 0.4462 |
| 0.85 | 270.0 | -0.1334 | 0.5559 |
| 0.85 | 282.0 | 0.2025 | 0.6696 |
| 0.95 | 90.0 | 0.2752 | 0.6614 |
| 0.95 | 102.0 | 0.4523 | 0.6941 |
| 0.95 | 114.0 | -0.5019 | 0.7366 |
| 0.95 | 126.0 | 0.1894 | 0.7244 |
| 0.95 | 210.0 | 1.0148 | 0.7041 |
| 0.95 | 222.0 | -0.0657 | 0.6754 |
| 0.95 | 234.0 | -0.0694 | 0.5239 |
| 0.95 | 246.0 | -0.3247 | 0.4614 |
| 0.95 | 258.0 | 0.4918 | 0.5261 |
| 0.95 | 270.0 | 0.4273 | 0.4438 |
| 0.95 | 282.0 | 0.4451 | 0.6392 |
Experiment comment: