Measurement E213M321
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.7505 | 0.1754 | 0.5399 | 0.7603 |
| 27.0 | 2.4876 | 0.1441 | 0.3401 | 0.4838 |
| 45.0 | 1.9478 | 0.1038 | 0.3146 | 0.4734 |
| 63.0 | 2.1751 | 0.1207 | 0.4052 | 0.4228 |
| 81.0 | 3.1203 | 0.1492 | 0.4393 | 0.4639 |
| 99.0 | 3.8458 | 0.1933 | 0.467 | 0.5055 |
| 117.0 | 3.7184 | 0.1525 | 0.4802 | 0.6879 |
| 135.0 | 4.256 | 0.2157 | 0.5452 | 0.7714 |
| 153.0 | 4.5453 | 0.2692 | 0.5152 | 0.7314 |
| 171.0 | 5.3203 | 0.2791 | 0.6624 | 1.1739 |
Experiment comment: