Measurement E213M1167
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 2.025 — 2.05 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.3013 | 0.0384 | 0.0802 | 0.0889 |
| 27.0 | 0.2674 | 0.0307 | 0.057 | 0.0648 |
| 45.0 | 0.3605 | 0.0446 | 0.1006 | 0.1101 |
| 63.0 | 0.5316 | 0.033 | 0.1565 | 0.16 |
| 81.0 | 0.7104 | 0.0514 | 0.176 | 0.1834 |
| 99.0 | 1.0157 | 0.0489 | 0.2111 | 0.2167 |
| 117.0 | 1.1444 | 0.0569 | 0.218 | 0.2253 |
| 135.0 | 1.2577 | 0.0829 | 0.2319 | 0.2462 |
| 153.0 | 2.0331 | 0.1097 | 0.3303 | 0.3481 |
| 171.0 | 2.4578 | 0.2063 | 0.3498 | 0.4061 |
Experiment comment: