Measurement E213M870
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9788 | 0.0831 | 0.1717 | 0.1907 |
| 27.0 | 0.8776 | 0.0566 | 0.1196 | 0.1323 |
| 45.0 | 0.897 | 0.0559 | 0.1297 | 0.1412 |
| 63.0 | 1.2574 | 0.1228 | 0.2053 | 0.2392 |
| 81.0 | 1.3405 | 0.1106 | 0.2065 | 0.2343 |
| 99.0 | 1.6517 | 0.0983 | 0.213 | 0.2346 |
| 117.0 | 1.7857 | 0.0991 | 0.2397 | 0.2593 |
| 135.0 | 2.2044 | 0.1409 | 0.2828 | 0.3159 |
| 153.0 | 2.4957 | 0.1959 | 0.3022 | 0.3601 |
| 171.0 | 2.9118 | 0.1965 | 0.3487 | 0.4002 |
Experiment comment: