Measurement E213M319
| 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: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.9831 | 0.3137 | 0.6067 | 0.683 |
| 27.0 | 3.8925 | 0.1936 | 0.4717 | 0.5099 |
| 45.0 | 3.409 | 0.1488 | 0.4502 | 0.4741 |
| 63.0 | 3.9463 | 0.1814 | 0.5061 | 0.5376 |
| 81.0 | 3.8235 | 0.1738 | 0.4907 | 0.5206 |
| 99.0 | 3.0834 | 0.1842 | 0.414 | 0.4532 |
| 117.0 | 2.65 | 0.1265 | 0.3696 | 0.3906 |
| 135.0 | 2.4974 | 0.2624 | 0.3488 | 0.4365 |
| 153.0 | 2.8681 | 0.1475 | 0.3551 | 0.3845 |
| 171.0 | 3.8248 | 0.2858 | 0.548 | 0.618 |
Experiment comment: