Measurement E213M1401
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.95 — 1.975 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1478 | 0.067 | 0.0881 | 0.1107 |
| 27.0 | 0.2173 | 0.0259 | 0.0644 | 0.0694 |
| 45.0 | 0.3039 | 0.0316 | 0.0998 | 0.1047 |
| 63.0 | 0.4683 | 0.0489 | 0.1399 | 0.1482 |
| 81.0 | 0.6647 | 0.0511 | 0.1598 | 0.1678 |
| 99.0 | 0.8364 | 0.051 | 0.1799 | 0.187 |
| 117.0 | 0.9635 | 0.0687 | 0.1979 | 0.2095 |
| 135.0 | 0.9506 | 0.0604 | 0.2035 | 0.2123 |
| 153.0 | 1.1633 | 0.0922 | 0.2383 | 0.2555 |
| 171.0 | 1.4794 | 0.1428 | 0.306 | 0.3377 |
Experiment comment: