Measurement E213M879
| 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: | 1.95 — 1.975 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.855 | 0.076 | 0.1662 | 0.1827 |
| 27.0 | 0.8081 | 0.0506 | 0.1194 | 0.1297 |
| 45.0 | 0.9258 | 0.064 | 0.1453 | 0.1588 |
| 63.0 | 1.0454 | 0.1112 | 0.2123 | 0.2397 |
| 81.0 | 1.2289 | 0.0873 | 0.204 | 0.2219 |
| 99.0 | 1.6441 | 0.1123 | 0.2261 | 0.2524 |
| 117.0 | 1.7634 | 0.1221 | 0.2556 | 0.2832 |
| 135.0 | 2.0418 | 0.1383 | 0.2925 | 0.3236 |
| 153.0 | 2.595 | 0.1652 | 0.345 | 0.3825 |
| 171.0 | 3.048 | 0.2056 | 0.3959 | 0.4461 |
Experiment comment: