Measurement E213M1202
| 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: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.231 | 0.0468 | 0.1191 | 0.1668 |
| 27.0 | 0.353 | 0.0482 | 0.0999 | 0.1473 |
| 45.0 | 0.3659 | 0.0442 | 0.0983 | 0.1432 |
| 63.0 | 0.239 | 0.0336 | 0.078 | 0.0849 |
| 81.0 | 0.2774 | 0.0389 | 0.0841 | 0.0926 |
| 99.0 | 0.2745 | 0.0371 | 0.0777 | 0.0861 |
| 117.0 | 0.2167 | 0.0241 | 0.0778 | 0.0815 |
| 135.0 | 0.2069 | 0.0302 | 0.0922 | 0.097 |
| 153.0 | 0.2484 | 0.0023 | 0.1758 | 0.2462 |
| 171.0 | 0.2424 | 0.0023 | 0.1716 | 0.2432 |
Experiment comment: