Measurement E213M1428
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 2.025 — 2.05 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1628 | 0.0293 | 0.0631 | 0.0696 |
| 27.0 | 0.1528 | 0.0183 | 0.051 | 0.0542 |
| 45.0 | 0.2092 | 0.0094 | 0.1023 | 0.1027 |
| 63.0 | 0.4053 | 0.0409 | 0.1106 | 0.1179 |
| 81.0 | 0.5698 | 0.0401 | 0.1227 | 0.1291 |
| 99.0 | 0.6481 | 0.0344 | 0.1323 | 0.1367 |
| 117.0 | 0.8326 | 0.0513 | 0.1472 | 0.1559 |
| 135.0 | 0.8894 | 0.0728 | 0.1576 | 0.1736 |
| 153.0 | 1.1938 | 0.0849 | 0.1982 | 0.2157 |
| 171.0 | 1.3101 | 0.1449 | 0.2443 | 0.284 |
Experiment comment: