Measurement E213M347
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.5331 | 0.2189 | 0.5004 | 0.7282 |
| 27.0 | 3.9849 | 0.1853 | 0.4497 | 0.6471 |
| 45.0 | 3.3311 | 0.2147 | 0.432 | 0.62 |
| 63.0 | 2.8898 | 0.1524 | 0.3734 | 0.4033 |
| 81.0 | 2.8798 | 0.1214 | 0.3748 | 0.3939 |
| 99.0 | 3.0777 | 0.1655 | 0.3886 | 0.4223 |
| 117.0 | 3.2765 | 0.1196 | 0.4135 | 0.4305 |
| 135.0 | 2.4771 | 0.1373 | 0.4093 | 0.5774 |
| 153.0 | 1.6663 | 0.0995 | 0.6312 | 1.2678 |
| 171.0 | 2.7188 | 0.0062 | 1.5937 | 2.2556 |
Experiment comment: