Measurement E213M418
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4514 | 0.0105 | 0.3158 | 1.0587 |
| 27.0 | 0.4566 | 0.023 | 0.2786 | 1.0602 |
| 45.0 | 0.5289 | 0.0312 | 0.2512 | 0.4157 |
| 63.0 | 0.5455 | 0.041 | 0.2289 | 0.2325 |
| 81.0 | 0.6168 | 0.0396 | 0.2299 | 0.2332 |
| 99.0 | 0.6001 | 0.0347 | 0.2156 | 0.2184 |
| 117.0 | 0.6932 | 0.0415 | 0.2346 | 0.2383 |
| 135.0 | 0.6805 | 0.0441 | 0.2492 | 0.2531 |
| 153.0 | 0.6814 | 0.0484 | 0.2868 | 0.3794 |
| 171.0 | 0.6935 | 0.0401 | 0.4285 | 0.4912 |
Experiment comment: