Measurement E213M1354
| 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: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.6861 | 0.0869 | 0.23 | 0.2458 |
| 27.0 | 0.8276 | 0.0782 | 0.1604 | 0.1784 |
| 45.0 | 0.7742 | 0.0672 | 0.1416 | 0.1567 |
| 63.0 | 0.8228 | 0.0545 | 0.1424 | 0.1525 |
| 81.0 | 0.7932 | 0.0607 | 0.1386 | 0.1513 |
| 99.0 | 0.7039 | 0.0519 | 0.1291 | 0.1392 |
| 117.0 | 0.4847 | 0.0857 | 0.1051 | 0.1356 |
| 135.0 | 0.496 | 0.0589 | 0.0999 | 0.116 |
| 153.0 | 0.4563 | 0.0566 | 0.0916 | 0.1077 |
| 171.0 | 0.5291 | 0.0799 | 0.1669 | 0.1851 |
Experiment comment: