Measurement E213M428
| 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: | 2.4 — 3.0 GeV2 | |
| W: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0968 | 0.1205 | 0.1924 | 0.227 |
| 27.0 | 1.3827 | 0.0763 | 0.1927 | 0.2072 |
| 45.0 | 1.1685 | 0.0631 | 0.165 | 0.1766 |
| 63.0 | 0.9973 | 0.0887 | 0.1514 | 0.1754 |
| 81.0 | 0.9987 | 0.0512 | 0.1415 | 0.1505 |
| 99.0 | 0.9457 | 0.0501 | 0.1347 | 0.1437 |
| 117.0 | 0.7692 | 0.0457 | 0.1341 | 0.1417 |
| 135.0 | 0.8237 | 0.092 | 0.2272 | 0.2975 |
| 153.0 | 0.8494 | 0.0031 | 0.5329 | 0.6131 |
| 171.0 | 0.8288 | 0.0031 | 0.52 | 0.6019 |
Experiment comment: