Measurement E213M931
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 2.1384 | 0.1692 | 0.3176 | 0.3599 |
| 27.0 | 1.7181 | 0.1042 | 0.2367 | 0.2586 |
| 45.0 | 1.4455 | 0.1195 | 0.2074 | 0.2394 |
| 63.0 | 1.2348 | 0.0914 | 0.1987 | 0.2187 |
| 81.0 | 1.2287 | 0.1207 | 0.2067 | 0.2393 |
| 99.0 | 0.9918 | 0.0647 | 0.1889 | 0.1996 |
| 117.0 | 0.8981 | 0.0718 | 0.1762 | 0.1903 |
| 135.0 | 0.7084 | 0.0508 | 0.151 | 0.1593 |
| 153.0 | 0.821 | 0.0798 | 0.149 | 0.169 |
| 171.0 | 0.7256 | 0.1099 | 0.1666 | 0.1996 |
Experiment comment: