Measurement E213M942
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.3334 | 0.0053 | 0.2264 | 0.2265 |
| 27.0 | 0.3239 | 0.0319 | 0.1704 | 0.1733 |
| 45.0 | 0.3153 | 0.0339 | 0.1373 | 0.1414 |
| 63.0 | 0.3083 | 0.0302 | 0.1161 | 0.12 |
| 81.0 | 0.3244 | 0.03 | 0.1058 | 0.11 |
| 99.0 | 0.3837 | 0.0358 | 0.1095 | 0.1152 |
| 117.0 | 0.4348 | 0.0395 | 0.1172 | 0.1237 |
| 135.0 | 0.4356 | 0.0396 | 0.1232 | 0.1294 |
| 153.0 | 0.3263 | 0.0358 | 0.1241 | 0.1767 |
| 171.0 | 0.292 | 0.0219 | 0.1837 | 0.2585 |
Experiment comment: