Measurement E213M1346
| 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: | 1.8 — 1.825 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2088 | 0.1625 | 0.1522 | 0.2227 |
| 27.0 | 1.1111 | 0.1308 | 0.1381 | 0.1902 |
| 45.0 | 0.7478 | 0.0896 | 0.1234 | 0.1525 |
| 63.0 | 0.8441 | 0.0719 | 0.123 | 0.1425 |
| 81.0 | 0.9022 | 0.0972 | 0.1315 | 0.1635 |
| 99.0 | 0.7397 | 0.0469 | 0.0994 | 0.1099 |
| 117.0 | 0.6606 | 0.0611 | 0.0893 | 0.1082 |
| 135.0 | 0.5508 | 0.0547 | 0.0847 | 0.1008 |
| 153.0 | 0.5345 | 0.0977 | 0.2005 | 0.223 |
| 171.0 | 0.704 | 0.0021 | 0.4162 | 0.4162 |
Experiment comment: