Measurement E213M1284
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.625 — 1.65 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.1657 | 0.0132 | 0.0866 | 0.4026 |
| 27.0 | 0.1666 | 0.0201 | 0.0539 | 0.2657 |
| 45.0 | 0.2576 | 0.0292 | 0.0555 | 0.0783 |
| 63.0 | 0.4218 | 0.0428 | 0.0687 | 0.081 |
| 81.0 | 0.5266 | 0.0509 | 0.0794 | 0.0943 |
| 99.0 | 0.5873 | 0.0554 | 0.0878 | 0.1039 |
| 117.0 | 0.6321 | 0.0535 | 0.0957 | 0.1096 |
| 135.0 | 0.805 | 0.0675 | 0.1136 | 0.1322 |
| 153.0 | 0.681 | 0.0665 | 0.0984 | 0.1378 |
| 171.0 | 0.6039 | 0.0851 | 0.1181 | 0.1649 |
Experiment comment: