Measurement E213M699
| 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: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4288 | 0.0555 | 0.1942 | 0.2756 |
| 27.0 | 0.4895 | 0.0543 | 0.1308 | 0.1875 |
| 45.0 | 0.5914 | 0.062 | 0.1293 | 0.1434 |
| 63.0 | 0.6415 | 0.0482 | 0.1184 | 0.1278 |
| 81.0 | 0.7916 | 0.07 | 0.1284 | 0.1462 |
| 99.0 | 0.8233 | 0.0542 | 0.1295 | 0.1404 |
| 117.0 | 0.8975 | 0.0618 | 0.1386 | 0.1517 |
| 135.0 | 1.0168 | 0.0638 | 0.1565 | 0.169 |
| 153.0 | 1.1747 | 0.0864 | 0.183 | 0.2612 |
| 171.0 | 1.2142 | 0.1444 | 0.2259 | 0.3184 |
Experiment comment: