Measurement E213M419
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8282 | 0.082 | 0.3506 | 0.4499 |
| 27.0 | 0.9715 | 0.0664 | 0.2549 | 0.3687 |
| 45.0 | 1.0113 | 0.0577 | 0.2536 | 0.3616 |
| 63.0 | 0.7406 | 0.0472 | 0.2307 | 0.2736 |
| 81.0 | 0.7853 | 0.0469 | 0.2063 | 0.2532 |
| 99.0 | 0.669 | 0.0496 | 0.1793 | 0.186 |
| 117.0 | 0.6122 | 0.0426 | 0.2129 | 0.2171 |
| 135.0 | 0.5381 | 0.0369 | 0.3044 | 0.3857 |
| 153.0 | 0.6475 | 0.0025 | 0.4569 | 0.5082 |
| 171.0 | 0.6192 | 0.0029 | 0.4369 | 0.4905 |
Experiment comment: