Measurement E213M1194
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1913 | 0.0336 | 0.0559 | 0.0652 |
| 27.0 | 0.2114 | 0.0276 | 0.0499 | 0.057 |
| 45.0 | 0.2948 | 0.0283 | 0.1181 | 0.1214 |
| 63.0 | 0.3521 | 0.0216 | 0.115 | 0.117 |
| 81.0 | 0.5433 | 0.0354 | 0.1318 | 0.1364 |
| 99.0 | 0.717 | 0.0406 | 0.1448 | 0.1504 |
| 117.0 | 0.9577 | 0.0617 | 0.1426 | 0.1554 |
| 135.0 | 1.1912 | 0.073 | 0.1665 | 0.1818 |
| 153.0 | 1.744 | 0.0922 | 0.2488 | 0.2653 |
| 171.0 | 1.9748 | 0.1823 | 0.2784 | 0.3328 |
Experiment comment: