Measurement E213M1184
| 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: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.591 | 0.1856 | 0.2574 | 0.3173 |
| 27.0 | 1.6884 | 0.1339 | 0.2874 | 0.317 |
| 45.0 | 1.091 | 0.0775 | 0.2605 | 0.2718 |
| 63.0 | 1.0886 | 0.0946 | 0.2535 | 0.2705 |
| 81.0 | 0.8885 | 0.0778 | 0.1797 | 0.1959 |
| 99.0 | 0.8042 | 0.0519 | 0.1673 | 0.1752 |
| 117.0 | 0.733 | 0.057 | 0.1571 | 0.1671 |
| 135.0 | 0.6317 | 0.0513 | 0.153 | 0.1613 |
| 153.0 | 0.4442 | 0.0413 | 0.2201 | 0.2239 |
| 171.0 | 0.8753 | 0.0024 | 0.5489 | 0.5489 |
Experiment comment: