Measurement E213M1391
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1015 | 0.1304 | 0.1798 | 0.2222 |
| 27.0 | 1.0756 | 0.1113 | 0.1854 | 0.2163 |
| 45.0 | 0.887 | 0.071 | 0.2155 | 0.2269 |
| 63.0 | 0.8267 | 0.0683 | 0.1839 | 0.1962 |
| 81.0 | 0.8315 | 0.0731 | 0.1585 | 0.1745 |
| 99.0 | 0.8318 | 0.0882 | 0.1432 | 0.1682 |
| 117.0 | 0.6206 | 0.0441 | 0.1176 | 0.1256 |
| 135.0 | 0.5113 | 0.0448 | 0.1102 | 0.119 |
| 153.0 | 0.4099 | 0.0354 | 0.1937 | 0.1969 |
| 171.0 | 0.7242 | 0.0023 | 0.4409 | 0.4409 |
Experiment comment: