Measurement E213M1291
| 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: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0453 | 0.2601 | 0.3114 | 0.4058 |
| 27.0 | 0.7615 | 0.083 | 0.1943 | 0.2113 |
| 45.0 | 0.8769 | 0.0804 | 0.1941 | 0.2101 |
| 63.0 | 0.8056 | 0.094 | 0.176 | 0.1996 |
| 81.0 | 0.6766 | 0.062 | 0.1505 | 0.1628 |
| 99.0 | 0.5362 | 0.0469 | 0.1241 | 0.1326 |
| 117.0 | 0.5802 | 0.0605 | 0.1279 | 0.1415 |
| 135.0 | 0.4822 | 0.0591 | 0.1086 | 0.1236 |
| 153.0 | 0.5531 | 0.0714 | 0.1257 | 0.1446 |
| 171.0 | 0.6279 | 0.1008 | 0.1918 | 0.3567 |
Experiment comment: