Measurement E213M491
| 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: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.9649 | 0.1402 | 0.3202 | 0.3496 |
| 27.0 | 1.8737 | 0.0964 | 0.2751 | 0.2915 |
| 45.0 | 1.6872 | 0.1066 | 0.2643 | 0.285 |
| 63.0 | 1.5084 | 0.0736 | 0.2338 | 0.2451 |
| 81.0 | 1.7333 | 0.0725 | 0.2571 | 0.2671 |
| 99.0 | 1.638 | 0.1184 | 0.2458 | 0.2728 |
| 117.0 | 1.6698 | 0.0878 | 0.2501 | 0.2651 |
| 135.0 | 1.3261 | 0.0756 | 0.2523 | 0.6285 |
| 153.0 | 1.2371 | 0.0907 | 0.7237 | 1.0719 |
| 171.0 | 1.6828 | 0.003 | 1.0598 | 1.4592 |
Experiment comment: