Measurement E213M1211
| 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: | 4.2 — 5.0 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 | 0.511 | 0.1014 | 0.1381 | 0.2049 |
| 27.0 | 0.5263 | 0.0646 | 0.1261 | 0.1845 |
| 45.0 | 0.4669 | 0.0478 | 0.1138 | 0.1711 |
| 63.0 | 0.372 | 0.0475 | 0.093 | 0.1045 |
| 81.0 | 0.3025 | 0.0456 | 0.0761 | 0.0887 |
| 99.0 | 0.2883 | 0.0393 | 0.0717 | 0.0818 |
| 117.0 | 0.2128 | 0.0245 | 0.0589 | 0.0638 |
| 135.0 | 0.1832 | 0.0374 | 0.0594 | 0.0701 |
| 153.0 | 0.2943 | 0.0326 | 0.1987 | 0.2239 |
| 171.0 | 0.2862 | 0.0024 | 0.2077 | 0.2315 |
Experiment comment: