Measurement E213M1176
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 2.05 — 2.075 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2469 | 0.0367 | 0.0735 | 0.0822 |
| 27.0 | 0.2294 | 0.0275 | 0.0543 | 0.0609 |
| 45.0 | 0.3254 | 0.037 | 0.1103 | 0.1163 |
| 63.0 | 0.4822 | 0.0316 | 0.147 | 0.1504 |
| 81.0 | 0.6684 | 0.0333 | 0.1694 | 0.1726 |
| 99.0 | 0.8485 | 0.0443 | 0.1915 | 0.1966 |
| 117.0 | 0.9952 | 0.065 | 0.1964 | 0.2069 |
| 135.0 | 1.3619 | 0.0736 | 0.2403 | 0.2513 |
| 153.0 | 1.8934 | 0.1025 | 0.3217 | 0.3376 |
| 171.0 | 2.2365 | 0.1961 | 0.3456 | 0.3974 |
Experiment comment: