Measurement E213M320
| 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: | 2.0 — 2.4 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 | 3.924 | 0.2156 | 0.4623 | 0.6633 |
| 27.0 | 3.7756 | 0.1815 | 0.442 | 0.6247 |
| 45.0 | 3.5975 | 0.2076 | 0.4622 | 0.5067 |
| 63.0 | 3.347 | 0.1267 | 0.4236 | 0.6012 |
| 81.0 | 3.2367 | 0.2185 | 0.4148 | 0.4688 |
| 99.0 | 3.5718 | 0.1322 | 0.4428 | 0.4621 |
| 117.0 | 3.6219 | 0.1385 | 0.4605 | 0.6569 |
| 135.0 | 2.492 | 0.1486 | 0.4453 | 0.6321 |
| 153.0 | 2.1654 | 0.1682 | 0.7801 | 1.1089 |
| 171.0 | 2.9851 | 0.0052 | 1.7768 | 2.533 |
Experiment comment: