Measurement E213M1410
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1878 | 0.0249 | 0.083 | 0.0866 |
| 27.0 | 0.1483 | 0.0165 | 0.0533 | 0.0558 |
| 45.0 | 0.2911 | 0.0373 | 0.1021 | 0.1087 |
| 63.0 | 0.3441 | 0.0237 | 0.1177 | 0.12 |
| 81.0 | 0.5805 | 0.0423 | 0.1354 | 0.1419 |
| 99.0 | 0.7978 | 0.0555 | 0.1561 | 0.1657 |
| 117.0 | 0.9717 | 0.0594 | 0.175 | 0.1848 |
| 135.0 | 1.0033 | 0.0599 | 0.184 | 0.1935 |
| 153.0 | 1.2286 | 0.0838 | 0.2174 | 0.233 |
| 171.0 | 1.592 | 0.1635 | 0.285 | 0.3286 |
Experiment comment: