Measurement E213M1040
| 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: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.8569 | 0.1613 | 0.2443 | 0.2927 |
| 27.0 | 1.512 | 0.0896 | 0.1965 | 0.216 |
| 45.0 | 1.3079 | 0.108 | 0.1764 | 0.2068 |
| 63.0 | 1.2645 | 0.0932 | 0.1737 | 0.1971 |
| 81.0 | 1.4353 | 0.0787 | 0.1906 | 0.2062 |
| 99.0 | 1.3447 | 0.0768 | 0.1805 | 0.1962 |
| 117.0 | 1.2935 | 0.0659 | 0.1745 | 0.1865 |
| 135.0 | 1.0327 | 0.0731 | 0.1674 | 0.1826 |
| 153.0 | 0.9931 | 0.085 | 0.4459 | 0.5292 |
| 171.0 | 1.3573 | 0.0035 | 0.8289 | 0.8827 |
Experiment comment: