Measurement E213M248
| 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: | 1.65 — 1.675 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 4.6196 | 0.2882 | 0.5982 | 0.846 |
| 27.0 | 3.954 | 0.1876 | 0.4976 | 0.5318 |
| 45.0 | 3.5774 | 0.2068 | 0.5133 | 0.5534 |
| 63.0 | 3.113 | 0.1529 | 0.4231 | 0.4499 |
| 81.0 | 3.4461 | 0.1342 | 0.4557 | 0.4751 |
| 99.0 | 3.4366 | 0.1595 | 0.4617 | 0.4885 |
| 117.0 | 3.4689 | 0.1386 | 0.5015 | 0.5203 |
| 135.0 | 3.4052 | 0.1961 | 0.6891 | 0.7165 |
| 153.0 | 2.8254 | 0.1438 | 1.4017 | 1.9838 |
| 171.0 | 3.4198 | 0.0044 | 2.0742 | 2.9335 |
Experiment comment: