Measurement E213M725
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π+))) | |
| Q2: | 3.0 — 3.5 GeV2 | |
| W: | 1.525 — 1.55 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2529 | 0.1271 | 0.1914 | 0.2747 |
| 27.0 | 1.3221 | 0.08 | 0.1868 | 0.2595 |
| 45.0 | 0.9483 | 0.0834 | 0.1454 | 0.1676 |
| 63.0 | 0.9898 | 0.0621 | 0.1499 | 0.1622 |
| 81.0 | 0.9063 | 0.079 | 0.1346 | 0.1561 |
| 99.0 | 1.1463 | 0.0844 | 0.1646 | 0.1849 |
| 117.0 | 0.9293 | 0.0502 | 0.1388 | 0.1973 |
| 135.0 | 0.8366 | 0.0654 | 0.1521 | 0.2175 |
| 153.0 | 0.6965 | 0.0066 | 0.4331 | 0.6149 |
| 171.0 | 0.8567 | 0.0027 | 0.534 | 0.7543 |
Experiment comment: