Measurement E213M186
| 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: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.6273 | 0.1428 | 1.2118 | 1.2202 |
| 27.0 | 2.1259 | 0.1417 | 0.7113 | 1.0062 |
| 45.0 | 2.0173 | 0.1236 | 0.5369 | 0.7641 |
| 63.0 | 2.4908 | 0.1323 | 0.452 | 0.471 |
| 81.0 | 2.7665 | 0.1255 | 0.429 | 0.447 |
| 99.0 | 2.8933 | 0.1406 | 0.4428 | 0.4646 |
| 117.0 | 3.3338 | 0.1674 | 0.5022 | 0.5294 |
| 135.0 | 3.3249 | 0.1898 | 0.4661 | 0.5032 |
| 153.0 | 3.8603 | 0.1915 | 0.5156 | 0.7333 |
| 171.0 | 3.7437 | 0.2861 | 0.7599 | 1.0791 |
Experiment comment: