Measurement E213M420
| 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: | 2.4 — 3.0 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 | 0.5878 | 0.0127 | 0.4097 | 0.5154 |
| 27.0 | 0.4677 | 0.0157 | 0.3101 | 0.4425 |
| 45.0 | 0.4923 | 0.0274 | 0.2626 | 0.264 |
| 63.0 | 0.563 | 0.035 | 0.2398 | 0.2423 |
| 81.0 | 0.6269 | 0.038 | 0.2262 | 0.2294 |
| 99.0 | 0.6181 | 0.0439 | 0.2112 | 0.2157 |
| 117.0 | 0.6248 | 0.0365 | 0.208 | 0.2112 |
| 135.0 | 0.6734 | 0.0412 | 0.2297 | 0.2334 |
| 153.0 | 0.7133 | 0.0491 | 0.2678 | 0.3065 |
| 171.0 | 0.5155 | 0.0299 | 0.3315 | 0.3561 |
Experiment comment: