Measurement E213M1311
| 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: | 1.7 — 1.725 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4593 | 0.0611 | 0.1496 | 0.2199 |
| 27.0 | 0.4025 | 0.0424 | 0.0921 | 0.1377 |
| 45.0 | 0.4687 | 0.0399 | 0.0861 | 0.1318 |
| 63.0 | 0.7954 | 0.0748 | 0.1213 | 0.1425 |
| 81.0 | 1.0621 | 0.0936 | 0.1666 | 0.1911 |
| 99.0 | 1.3931 | 0.0915 | 0.2044 | 0.2239 |
| 117.0 | 1.2806 | 0.0902 | 0.1959 | 0.2157 |
| 135.0 | 1.009 | 0.0776 | 0.1722 | 0.1889 |
| 153.0 | 0.9969 | 0.0875 | 0.163 | 0.185 |
| 171.0 | 0.8546 | 0.096 | 0.1799 | 0.2039 |
Experiment comment: