Measurement E213M798
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.725 — 1.75 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.6113 | 0.1305 | 0.2662 | 0.2964 |
| 27.0 | 1.6956 | 0.1033 | 0.1942 | 0.22 |
| 45.0 | 1.527 | 0.0869 | 0.1697 | 0.1907 |
| 63.0 | 1.9364 | 0.1279 | 0.2075 | 0.2438 |
| 81.0 | 2.1339 | 0.128 | 0.2261 | 0.2598 |
| 99.0 | 2.5191 | 0.152 | 0.2716 | 0.3112 |
| 117.0 | 2.5158 | 0.147 | 0.2634 | 0.3017 |
| 135.0 | 2.0442 | 0.1729 | 0.2138 | 0.275 |
| 153.0 | 1.9492 | 0.1205 | 0.1923 | 0.2269 |
| 171.0 | 2.3611 | 0.187 | 0.2409 | 0.305 |
Experiment comment: