Measurement E213M1318
| 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: | 1.725 — 1.75 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9865 | 0.1924 | 0.207 | 0.2826 |
| 27.0 | 0.8805 | 0.091 | 0.1351 | 0.1629 |
| 45.0 | 0.9812 | 0.1073 | 0.1381 | 0.1749 |
| 63.0 | 1.0863 | 0.0995 | 0.1435 | 0.1746 |
| 81.0 | 1.1182 | 0.0879 | 0.1431 | 0.1679 |
| 99.0 | 0.9627 | 0.0906 | 0.1259 | 0.1552 |
| 117.0 | 0.7305 | 0.071 | 0.0969 | 0.1201 |
| 135.0 | 0.6673 | 0.0664 | 0.0824 | 0.1058 |
| 153.0 | 0.7393 | 0.0974 | 0.088 | 0.1313 |
| 171.0 | 0.8905 | 0.1625 | 0.1431 | 0.2166 |
Experiment comment: