Measurement E213M1399
| 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: | 1.95 — 1.975 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.9063 | 0.1244 | 0.2405 | 0.2707 |
| 27.0 | 0.7908 | 0.0603 | 0.1722 | 0.1825 |
| 45.0 | 0.8457 | 0.0635 | 0.1671 | 0.1788 |
| 63.0 | 0.9495 | 0.0697 | 0.1772 | 0.1904 |
| 81.0 | 0.8008 | 0.0554 | 0.1618 | 0.171 |
| 99.0 | 0.6422 | 0.0554 | 0.146 | 0.1562 |
| 117.0 | 0.5905 | 0.0476 | 0.1426 | 0.1503 |
| 135.0 | 0.5724 | 0.0497 | 0.1416 | 0.1501 |
| 153.0 | 0.5808 | 0.082 | 0.1401 | 0.1624 |
| 171.0 | 0.4552 | 0.0517 | 0.2071 | 0.2135 |
Experiment comment: