Measurement E213M680
| 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: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5767 | 0.0989 | 0.1583 | 0.5234 |
| 27.0 | 0.6855 | 0.067 | 0.1325 | 0.2132 |
| 45.0 | 0.7153 | 0.0532 | 0.1338 | 0.144 |
| 63.0 | 0.6508 | 0.0563 | 0.1314 | 0.1429 |
| 81.0 | 0.6556 | 0.0478 | 0.1253 | 0.1341 |
| 99.0 | 0.6297 | 0.0449 | 0.1184 | 0.1266 |
| 117.0 | 0.4769 | 0.0392 | 0.1148 | 0.1213 |
| 135.0 | 0.3918 | 0.0456 | 0.1626 | 0.1689 |
| 153.0 | 0.5287 | 0.003 | 0.3505 | 0.4974 |
| 171.0 | 0.5105 | 0.0031 | 0.3384 | 0.4748 |
Experiment comment: