Measurement E213M427
| 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: | 2.4 — 3.0 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 | 0.7113 | 0.0687 | 0.3252 | 0.4219 |
| 27.0 | 1.1523 | 0.0916 | 0.2403 | 0.2572 |
| 45.0 | 0.9946 | 0.0624 | 0.1964 | 0.2061 |
| 63.0 | 0.9194 | 0.0526 | 0.1739 | 0.1817 |
| 81.0 | 0.7599 | 0.0571 | 0.1433 | 0.1542 |
| 99.0 | 0.7571 | 0.0527 | 0.1365 | 0.1463 |
| 117.0 | 0.9153 | 0.0544 | 0.1558 | 0.165 |
| 135.0 | 0.889 | 0.0536 | 0.1556 | 0.1645 |
| 153.0 | 0.9457 | 0.0698 | 0.1769 | 0.1901 |
| 171.0 | 1.0179 | 0.1 | 0.2756 | 0.3405 |
Experiment comment: