Measurement E213M1365
| 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: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.2332 | 0.0327 | 0.0934 | 0.0989 |
| 27.0 | 0.2248 | 0.0263 | 0.0591 | 0.0647 |
| 45.0 | 0.3066 | 0.0322 | 0.0682 | 0.0754 |
| 63.0 | 0.4739 | 0.0517 | 0.1123 | 0.1236 |
| 81.0 | 0.714 | 0.0636 | 0.155 | 0.1676 |
| 99.0 | 0.9283 | 0.0943 | 0.1839 | 0.2066 |
| 117.0 | 1.0214 | 0.073 | 0.1968 | 0.2099 |
| 135.0 | 1.0829 | 0.0999 | 0.2077 | 0.2305 |
| 153.0 | 0.8831 | 0.0735 | 0.1747 | 0.1896 |
| 171.0 | 1.1864 | 0.1429 | 0.2279 | 0.269 |
Experiment comment: