Measurement E213M824
| 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: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.0861 | 0.1662 | 0.2414 | 0.2931 |
| 27.0 | 1.8959 | 0.1483 | 0.2156 | 0.2617 |
| 45.0 | 1.4565 | 0.105 | 0.1843 | 0.2612 |
| 63.0 | 1.6332 | 0.1137 | 0.1992 | 0.2293 |
| 81.0 | 1.6819 | 0.0983 | 0.2088 | 0.2308 |
| 99.0 | 1.8161 | 0.0882 | 0.2148 | 0.2322 |
| 117.0 | 1.5201 | 0.1113 | 0.1888 | 0.2192 |
| 135.0 | 1.4602 | 0.1101 | 0.2178 | 0.244 |
| 153.0 | 1.1751 | 0.2154 | 0.4274 | 0.4786 |
| 171.0 | 1.4664 | 0.0029 | 0.8707 | 1.2329 |
Experiment comment: