Measurement E213M950
| 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: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5649 | 0.0858 | 0.1531 | 0.2184 |
| 27.0 | 0.6738 | 0.056 | 0.167 | 0.2426 |
| 45.0 | 0.5513 | 0.0868 | 0.1377 | 0.2013 |
| 63.0 | 0.5096 | 0.0471 | 0.1291 | 0.1374 |
| 81.0 | 0.5327 | 0.0476 | 0.1335 | 0.1417 |
| 99.0 | 0.4703 | 0.0377 | 0.118 | 0.1239 |
| 117.0 | 0.4042 | 0.0483 | 0.1062 | 0.1167 |
| 135.0 | 0.2219 | 0.0733 | 0.0822 | 0.117 |
| 153.0 | 0.4625 | 0.0785 | 0.3046 | 0.2716 |
| 171.0 | 0.42 | 0.0026 | 0.3092 | 0.2776 |
Experiment comment: