Measurement E213M1057
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π−))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 1.725 — 1.75 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.5504 | 0.2052 | 0.2536 | 0.3262 |
| 27.0 | 1.4926 | 0.1378 | 0.1762 | 0.2237 |
| 45.0 | 1.6519 | 0.1161 | 0.197 | 0.2287 |
| 63.0 | 1.6163 | 0.0795 | 0.1936 | 0.2093 |
| 81.0 | 1.5259 | 0.0737 | 0.1806 | 0.1951 |
| 99.0 | 1.6348 | 0.1114 | 0.1837 | 0.2149 |
| 117.0 | 1.3879 | 0.0985 | 0.1503 | 0.1797 |
| 135.0 | 1.1933 | 0.0732 | 0.1281 | 0.1475 |
| 153.0 | 1.4456 | 0.096 | 0.1473 | 0.1758 |
| 171.0 | 1.4959 | 0.154 | 0.188 | 0.243 |
Experiment comment: