Measurement E213M1400
| 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 | 1.1551 | 0.1265 | 0.1886 | 0.2271 |
| 27.0 | 0.9911 | 0.0946 | 0.1861 | 0.2088 |
| 45.0 | 0.9373 | 0.068 | 0.2264 | 0.2364 |
| 63.0 | 0.8212 | 0.0518 | 0.1946 | 0.2014 |
| 81.0 | 0.6828 | 0.049 | 0.1423 | 0.1505 |
| 99.0 | 0.7925 | 0.0679 | 0.14 | 0.1556 |
| 117.0 | 0.6524 | 0.0642 | 0.1204 | 0.1365 |
| 135.0 | 0.5384 | 0.0679 | 0.1176 | 0.1358 |
| 153.0 | 0.4687 | 0.0441 | 0.2036 | 0.2083 |
| 171.0 | 0.7068 | 0.0023 | 0.4281 | 0.4281 |
Experiment comment: