Measurement E213M987
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.525 — 1.55 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4162 | 0.0554 | 0.1802 | 0.1885 |
| 27.0 | 0.4218 | 0.0482 | 0.1252 | 0.1342 |
| 45.0 | 0.4635 | 0.0469 | 0.1167 | 0.1258 |
| 63.0 | 0.5517 | 0.0433 | 0.1154 | 0.1232 |
| 81.0 | 0.6781 | 0.0633 | 0.1268 | 0.1417 |
| 99.0 | 0.7684 | 0.0682 | 0.1401 | 0.1559 |
| 117.0 | 0.9684 | 0.0704 | 0.1729 | 0.1867 |
| 135.0 | 0.9675 | 0.0636 | 0.1708 | 0.1823 |
| 153.0 | 0.9801 | 0.0725 | 0.1766 | 0.1909 |
| 171.0 | 0.8412 | 0.1007 | 0.201 | 0.2248 |
Experiment comment: