Measurement E213M1003
| 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: | 1.575 — 1.6 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2857 | 0.1571 | 0.2008 | 0.2884 |
| 27.0 | 1.3777 | 0.1062 | 0.162 | 0.2321 |
| 45.0 | 1.0551 | 0.0767 | 0.1202 | 0.1746 |
| 63.0 | 0.8025 | 0.0661 | 0.0942 | 0.1151 |
| 81.0 | 0.6884 | 0.0626 | 0.081 | 0.1024 |
| 99.0 | 0.4965 | 0.0467 | 0.0605 | 0.0764 |
| 117.0 | 0.5517 | 0.0555 | 0.0671 | 0.0871 |
| 135.0 | 0.5302 | 0.0469 | 0.0648 | 0.0931 |
| 153.0 | 0.4834 | 0.0456 | 0.0632 | 0.0985 |
| 171.0 | 0.6256 | 0.0808 | 0.1033 | 0.1443 |
Experiment comment: