Measurement E213M1364
| 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: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1693 | 0.1504 | 0.1751 | 0.2309 |
| 27.0 | 0.9331 | 0.1245 | 0.1502 | 0.1951 |
| 45.0 | 0.8081 | 0.0989 | 0.1629 | 0.1906 |
| 63.0 | 0.7382 | 0.0487 | 0.1402 | 0.1484 |
| 81.0 | 0.7053 | 0.0479 | 0.1346 | 0.1429 |
| 99.0 | 0.8652 | 0.0606 | 0.1384 | 0.1511 |
| 117.0 | 0.7061 | 0.0528 | 0.1169 | 0.1283 |
| 135.0 | 0.4855 | 0.0503 | 0.0967 | 0.109 |
| 153.0 | 0.4562 | 0.0521 | 0.189 | 0.1961 |
| 171.0 | 0.6789 | 0.0021 | 0.4193 | 0.4193 |
Experiment comment: