Measurement E213M1166
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π+))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 2.025 — 2.05 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.7994 | 0.148 | 0.2405 | 0.2824 |
| 27.0 | 1.6046 | 0.1351 | 0.2309 | 0.2675 |
| 45.0 | 1.0845 | 0.0815 | 0.223 | 0.2374 |
| 63.0 | 1.017 | 0.0738 | 0.2061 | 0.2189 |
| 81.0 | 0.9938 | 0.0694 | 0.1705 | 0.1841 |
| 99.0 | 1.0063 | 0.0749 | 0.168 | 0.1839 |
| 117.0 | 0.8496 | 0.0546 | 0.1478 | 0.1576 |
| 135.0 | 0.6409 | 0.0481 | 0.1332 | 0.1416 |
| 153.0 | 0.5382 | 0.0621 | 0.2168 | 0.2255 |
| 171.0 | 0.9149 | 0.0028 | 0.5533 | 0.5533 |
Experiment comment: