Measurement E213M1408
| 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: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0229 | 0.1458 | 0.2215 | 0.2651 |
| 27.0 | 0.9002 | 0.0756 | 0.1598 | 0.1768 |
| 45.0 | 1.0085 | 0.0692 | 0.1598 | 0.1742 |
| 63.0 | 0.7912 | 0.0573 | 0.1398 | 0.1511 |
| 81.0 | 0.7482 | 0.0457 | 0.1379 | 0.1452 |
| 99.0 | 0.627 | 0.05 | 0.131 | 0.1403 |
| 117.0 | 0.5221 | 0.0436 | 0.124 | 0.1315 |
| 135.0 | 0.4969 | 0.0478 | 0.1252 | 0.134 |
| 153.0 | 0.5034 | 0.0611 | 0.1277 | 0.1416 |
| 171.0 | 0.4944 | 0.056 | 0.2125 | 0.2198 |
Experiment comment: