Measurement E213M1336
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.775 — 1.8 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.6735 | 0.1012 | 0.2038 | 0.2275 |
| 27.0 | 0.7305 | 0.0936 | 0.1348 | 0.1641 |
| 45.0 | 0.8692 | 0.0702 | 0.1348 | 0.1519 |
| 63.0 | 0.9162 | 0.0661 | 0.1356 | 0.1509 |
| 81.0 | 0.8781 | 0.0685 | 0.1291 | 0.1462 |
| 99.0 | 0.7425 | 0.0635 | 0.1156 | 0.1319 |
| 117.0 | 0.602 | 0.0761 | 0.0985 | 0.1245 |
| 135.0 | 0.5797 | 0.0674 | 0.0865 | 0.1097 |
| 153.0 | 0.4995 | 0.058 | 0.0771 | 0.0965 |
| 171.0 | 0.6249 | 0.1143 | 0.1382 | 0.1794 |
Experiment comment: