Measurement E213M1355
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.825 — 1.85 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.0319 | 0.145 | 0.1456 | 0.2055 |
| 27.0 | 1.0305 | 0.0935 | 0.1467 | 0.1739 |
| 45.0 | 0.5769 | 0.1779 | 0.1232 | 0.2164 |
| 63.0 | 0.7069 | 0.0615 | 0.1229 | 0.1374 |
| 81.0 | 0.6519 | 0.0578 | 0.1163 | 0.1299 |
| 99.0 | 0.6701 | 0.0434 | 0.1025 | 0.1113 |
| 117.0 | 0.6222 | 0.0419 | 0.0947 | 0.1035 |
| 135.0 | 0.443 | 0.0454 | 0.0847 | 0.0961 |
| 153.0 | 0.4202 | 0.0701 | 0.1781 | 0.1914 |
| 171.0 | 0.5907 | 0.0019 | 0.3543 | 0.3543 |
Experiment comment: