Measurement E213M868
| 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: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.7368 | 0.1723 | 0.276 | 0.3877 |
| 27.0 | 2.0108 | 0.1206 | 0.2448 | 0.3433 |
| 45.0 | 1.747 | 0.1321 | 0.2298 | 0.3266 |
| 63.0 | 1.7587 | 0.0841 | 0.2358 | 0.3394 |
| 81.0 | 1.5694 | 0.0885 | 0.2179 | 0.3157 |
| 99.0 | 1.555 | 0.0869 | 0.2133 | 0.2303 |
| 117.0 | 1.3573 | 0.0773 | 0.1887 | 0.2039 |
| 135.0 | 1.1959 | 0.0759 | 0.1653 | 0.1819 |
| 153.0 | 1.3236 | 0.09 | 0.1571 | 0.181 |
| 171.0 | 1.5006 | 0.1574 | 0.2173 | 0.2683 |
Experiment comment: