Measurement E213M220
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.0493 | 0.3168 | 0.6787 | 0.9584 |
| 27.0 | 4.4267 | 0.2345 | 0.4879 | 0.7018 |
| 45.0 | 3.6668 | 0.1912 | 0.4461 | 0.6345 |
| 63.0 | 2.6759 | 0.1572 | 0.3614 | 0.3941 |
| 81.0 | 2.2024 | 0.1315 | 0.3126 | 0.3391 |
| 99.0 | 1.7498 | 0.1146 | 0.2591 | 0.2834 |
| 117.0 | 1.7686 | 0.1042 | 0.2388 | 0.2605 |
| 135.0 | 1.8491 | 0.0949 | 0.2394 | 0.2575 |
| 153.0 | 2.0407 | 0.1154 | 0.2645 | 0.3747 |
| 171.0 | 1.6812 | 0.1359 | 0.3867 | 0.5463 |
Experiment comment: