Measurement E213M842
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.1912 | 0.1573 | 0.2802 | 0.4013 |
| 27.0 | 2.1017 | 0.1309 | 0.2682 | 0.3742 |
| 45.0 | 1.7801 | 0.168 | 0.249 | 0.3003 |
| 63.0 | 1.8154 | 0.128 | 0.2489 | 0.2798 |
| 81.0 | 1.6155 | 0.0925 | 0.2367 | 0.2541 |
| 99.0 | 1.8478 | 0.0965 | 0.2516 | 0.2694 |
| 117.0 | 1.6785 | 0.083 | 0.2348 | 0.249 |
| 135.0 | 1.4564 | 0.1388 | 0.2427 | 0.3548 |
| 153.0 | 1.1274 | 0.1124 | 0.4208 | 0.5962 |
| 171.0 | 1.5756 | 0.0033 | 0.9504 | 1.3461 |
Experiment comment: