Measurement E213M771
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.0 — 3.5 GeV2 | |
| W: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.8309 | 0.101 | 0.1995 | 0.5393 |
| 27.0 | 0.9172 | 0.0772 | 0.1314 | 0.1524 |
| 45.0 | 0.9916 | 0.0822 | 0.1229 | 0.1479 |
| 63.0 | 1.3127 | 0.0929 | 0.1396 | 0.1677 |
| 81.0 | 1.451 | 0.0873 | 0.1555 | 0.1784 |
| 99.0 | 1.8279 | 0.1704 | 0.1813 | 0.2488 |
| 117.0 | 1.9406 | 0.1228 | 0.1966 | 0.2318 |
| 135.0 | 1.95 | 0.1258 | 0.1923 | 0.2298 |
| 153.0 | 1.9042 | 0.1127 | 0.1819 | 0.214 |
| 171.0 | 1.9167 | 0.177 | 0.212 | 0.2761 |
Experiment comment: