Measurement E151M638
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | AUL | |
| εL: | 0.0407 | |
| Q2: | 0.0348 GeV2 | |
| W: | 1565.0 GeV | |
| Ebeam: | 1.9889 GeV | |
| ε: | 0.8546 | |
| cos(θπ+) | φ(π+), [deg] | AUL | uncertainty |
|---|---|---|---|
| 0.25 | 66.0 | 0.8098 | 0.8581 |
| 0.25 | 78.0 | -0.6355 | 0.7189 |
| 0.35 | 66.0 | 0.5826 | 0.8156 |
| 0.35 | 78.0 | -0.6789 | 0.5866 |
| 0.35 | 90.0 | -0.3914 | 0.6232 |
| 0.35 | 270.0 | 0.01 | 0.6717 |
| 0.35 | 282.0 | 0.6255 | 0.659 |
| 0.45 | 66.0 | -0.9248 | 0.5942 |
| 0.45 | 78.0 | -0.9747 | 0.5498 |
| 0.45 | 90.0 | 1.0136 | 0.7573 |
| 0.45 | 126.0 | 0.2239 | 0.7195 |
| 0.45 | 258.0 | 0.0821 | 0.7319 |
| 0.45 | 270.0 | -0.5251 | 0.569 |
| 0.45 | 282.0 | -0.1164 | 0.5792 |
| 0.45 | 294.0 | -0.1551 | 0.8214 |
| 0.55 | 78.0 | -0.2079 | 0.6246 |
| 0.55 | 90.0 | 0.1727 | 0.8042 |
| 0.55 | 114.0 | -0.9346 | 0.688 |
| 0.55 | 126.0 | -0.6307 | 0.5858 |
| 0.55 | 138.0 | -1.994 | 0.508 |
| 0.55 | 150.0 | -1.1167 | 0.6095 |
| 0.55 | 186.0 | 0.5678 | 0.8797 |
| 0.55 | 198.0 | 1.2276 | 0.8565 |
| 0.55 | 210.0 | 1.3044 | 0.8336 |
| 0.55 | 222.0 | 2.088 | 0.6883 |
| 0.55 | 234.0 | 2.117 | 0.6766 |
| 0.55 | 246.0 | 0.6007 | 0.8405 |
| 0.55 | 258.0 | 0.715 | 0.5588 |
| 0.55 | 270.0 | -0.2469 | 0.5404 |
| 0.55 | 282.0 | -0.327 | 0.5627 |
| 0.55 | 294.0 | -0.9937 | 0.6009 |
| 0.65 | 66.0 | 1.6012 | 0.8791 |
| 0.65 | 78.0 | 0.572 | 0.8037 |
| 0.65 | 90.0 | -0.1887 | 0.6864 |
| 0.65 | 102.0 | -0.7251 | 0.6248 |
| 0.65 | 114.0 | 1.1977 | 0.6831 |
| 0.65 | 126.0 | -0.4983 | 0.5448 |
| 0.65 | 138.0 | 0.1695 | 0.6088 |
| 0.65 | 150.0 | -1.2854 | 0.5688 |
| 0.65 | 198.0 | 1.6079 | 0.7533 |
| 0.65 | 210.0 | 2.6249 | 2.6249 |
| 0.65 | 222.0 | 0.5806 | 0.6686 |
| 0.65 | 234.0 | 0.0258 | 0.6757 |
| 0.65 | 246.0 | 1.4506 | 0.7757 |
| 0.65 | 258.0 | 1.3511 | 0.7864 |
| 0.65 | 270.0 | 0.0978 | 0.8067 |
| 0.65 | 282.0 | -0.2279 | 0.6663 |
| 0.65 | 294.0 | 1.417 | 0.8692 |
| 0.75 | 66.0 | 0.1029 | 0.6704 |
| 0.75 | 78.0 | 0.1042 | 0.7897 |
| 0.75 | 90.0 | 0.006 | 0.8485 |
| 0.75 | 114.0 | -0.8864 | 0.7033 |
| 0.75 | 126.0 | -0.8719 | 0.58 |
| 0.75 | 138.0 | 1.3942 | 0.6791 |
| 0.75 | 150.0 | -0.0774 | 0.7217 |
| 0.75 | 198.0 | 0.5088 | 0.7383 |
| 0.75 | 210.0 | 1.7456 | 0.5285 |
| 0.75 | 222.0 | 0.5825 | 0.5454 |
| 0.75 | 234.0 | 0.2808 | 0.5429 |
| 0.75 | 246.0 | 0.7763 | 0.8086 |
| 0.75 | 258.0 | -0.8634 | 0.6557 |
| 0.75 | 270.0 | -0.1405 | 0.5016 |
| 0.75 | 282.0 | 0.0159 | 0.4396 |
| 0.75 | 294.0 | -0.0004 | 0.6222 |
| 0.85 | 102.0 | 0.2376 | 0.7074 |
| 0.85 | 114.0 | -0.4163 | 0.5632 |
| 0.85 | 126.0 | 0.0492 | 0.6872 |
| 0.85 | 138.0 | -0.293 | 0.7447 |
| 0.85 | 198.0 | 1.3162 | 0.7148 |
| 0.85 | 210.0 | -0.2814 | 0.58 |
| 0.85 | 222.0 | 0.6681 | 0.6092 |
| 0.85 | 234.0 | -0.1384 | 0.5719 |
| 0.85 | 270.0 | 2.0521 | 0.7584 |
| 0.95 | 210.0 | 0.8693 | 0.7806 |
| 0.95 | 222.0 | 0.3529 | 0.7079 |
Experiment comment: