Measurement E213M1013
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.6 — 1.625 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.1028 | 0.1163 | 0.2031 | 0.2895 |
| 27.0 | 0.9955 | 0.0796 | 0.1726 | 0.2491 |
| 45.0 | 0.7655 | 0.0776 | 0.1404 | 0.2037 |
| 63.0 | 0.8717 | 0.0832 | 0.1546 | 0.1756 |
| 81.0 | 0.808 | 0.052 | 0.1418 | 0.1511 |
| 99.0 | 0.7327 | 0.0508 | 0.1316 | 0.141 |
| 117.0 | 0.903 | 0.063 | 0.1562 | 0.1684 |
| 135.0 | 0.7115 | 0.0593 | 0.1368 | 0.2024 |
| 153.0 | 0.7323 | 0.0768 | 0.3617 | 0.5152 |
| 171.0 | 0.8216 | 0.0026 | 0.539 | 0.7577 |
Experiment comment: