Measurement E213M258
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.675 — 1.7 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 3.4471 | 0.2208 | 0.9301 | 1.3158 |
| 27.0 | 2.7021 | 0.134 | 0.4525 | 0.641 |
| 45.0 | 2.8047 | 0.1316 | 0.3941 | 0.4155 |
| 63.0 | 3.0702 | 0.1216 | 0.4721 | 0.4875 |
| 81.0 | 3.6994 | 0.171 | 0.5855 | 0.6099 |
| 99.0 | 4.3377 | 0.1901 | 0.5987 | 0.6281 |
| 117.0 | 4.6852 | 0.1744 | 0.5824 | 0.608 |
| 135.0 | 4.6414 | 0.1796 | 0.5641 | 0.592 |
| 153.0 | 4.1435 | 0.2153 | 0.4991 | 0.7102 |
| 171.0 | 4.9322 | 0.2737 | 0.5862 | 0.8203 |
Experiment comment: