Measurement E151M3421
| Experiment: | EG4 | |
|---|---|---|
| Year: | 2016 | |
| Spokesperson: | Xiaochao Zheng | |
| Reaction: | ep → π+n | |
| Polarization: | beam (longitudinal), target (longitudinal) | |
| Quantity: | ALU | |
| εL: | 0.9956 | |
| Q2: | 0.5925 GeV2 | |
| W: | 1295.0 GeV | |
| Ebeam: | 2.999 GeV | |
| ε: | 0.9208 | |
| cos(θπ+) | φ(π+), [deg] | ALU | uncertainty |
|---|---|---|---|
| 0.55 | 66.0 | 0.2273 | 0.2801 |
| 0.55 | 90.0 | -0.4108 | 0.257 |
| 0.55 | 270.0 | 0.379 | 0.2554 |
| 0.65 | 66.0 | 0.0128 | 0.2537 |
| 0.65 | 90.0 | -0.1036 | 0.2486 |
| 0.65 | 270.0 | -0.2306 | 0.2789 |
| 0.65 | 282.0 | -0.1869 | 0.281 |
| 0.65 | 294.0 | -0.2011 | 0.2709 |
| 0.65 | 306.0 | 0.1529 | 0.2735 |
| 0.75 | 78.0 | -0.3604 | 0.2147 |
| 0.75 | 90.0 | -0.1154 | 0.2415 |
| 0.75 | 102.0 | -0.0579 | 0.2326 |
| 0.75 | 258.0 | 0.5039 | 0.1798 |
| 0.75 | 270.0 | -0.4766 | 0.2551 |
| 0.75 | 282.0 | -0.0564 | 0.2145 |
| 0.75 | 294.0 | 0.0611 | 0.2637 |
| 0.75 | 306.0 | 0.098 | 0.2482 |
| 0.75 | 318.0 | -0.1474 | 0.2595 |
| 0.85 | 234.0 | 0.1996 | 0.2703 |
| 0.85 | 258.0 | -0.1249 | 0.2398 |
| 0.85 | 270.0 | 0.0677 | 0.2187 |
| 0.85 | 282.0 | -0.3721 | 0.2605 |
| 0.85 | 294.0 | -0.1701 | 0.2569 |
| 0.85 | 306.0 | 0.0838 | 0.2496 |
| 0.95 | 90.0 | 0.2128 | 0.226 |
Experiment comment: