Measurement E213M1210
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1733 | 0.009 | 0.1258 | 0.1801 |
| 27.0 | 0.3276 | 0.0482 | 0.1132 | 0.1864 |
| 45.0 | 0.357 | 0.0511 | 0.108 | 0.1195 |
| 63.0 | 0.3351 | 0.0418 | 0.096 | 0.1047 |
| 81.0 | 0.3131 | 0.0454 | 0.088 | 0.099 |
| 99.0 | 0.3032 | 0.0387 | 0.0862 | 0.0945 |
| 117.0 | 0.2772 | 0.034 | 0.0825 | 0.0892 |
| 135.0 | 0.2637 | 0.0379 | 0.0813 | 0.1198 |
| 153.0 | 0.3404 | 0.0549 | 0.1059 | 0.149 |
| 171.0 | 0.3875 | 0.0732 | 0.165 | 0.2321 |
Experiment comment: