Measurement E213M1102
| 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: | 3.5 — 4.2 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 | 1.2141 | 0.1493 | 0.2454 | 0.2872 |
| 27.0 | 1.5294 | 0.1415 | 0.2293 | 0.2694 |
| 45.0 | 1.4137 | 0.0916 | 0.2201 | 0.2384 |
| 63.0 | 1.4651 | 0.0991 | 0.2282 | 0.2488 |
| 81.0 | 1.483 | 0.0986 | 0.231 | 0.2512 |
| 99.0 | 1.1456 | 0.0729 | 0.1906 | 0.204 |
| 117.0 | 1.0673 | 0.1023 | 0.1746 | 0.2024 |
| 135.0 | 0.802 | 0.0862 | 0.1286 | 0.1548 |
| 153.0 | 0.8287 | 0.0683 | 0.1223 | 0.1401 |
| 171.0 | 0.9719 | 0.1458 | 0.1808 | 0.2323 |
Experiment comment: