Measurement E213M681
| 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: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4775 | 0.0241 | 0.3023 | 0.4432 |
| 27.0 | 0.4667 | 0.0501 | 0.2129 | 0.3284 |
| 45.0 | 0.4106 | 0.0388 | 0.1632 | 0.1678 |
| 63.0 | 0.4219 | 0.0354 | 0.1332 | 0.1378 |
| 81.0 | 0.5004 | 0.0457 | 0.126 | 0.134 |
| 99.0 | 0.597 | 0.0527 | 0.1343 | 0.1443 |
| 117.0 | 0.7181 | 0.0543 | 0.1523 | 0.1617 |
| 135.0 | 0.6289 | 0.0534 | 0.1439 | 0.1535 |
| 153.0 | 0.5584 | 0.0544 | 0.1514 | 0.2163 |
| 171.0 | 0.4479 | 0.0554 | 0.2084 | 0.3296 |
Experiment comment: