Measurement E213M1175
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 2.05 — 2.075 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.6028 | 0.128 | 0.2292 | 0.2625 |
| 27.0 | 1.4422 | 0.1191 | 0.2256 | 0.2551 |
| 45.0 | 1.1233 | 0.0789 | 0.2342 | 0.2472 |
| 63.0 | 0.9648 | 0.0505 | 0.2109 | 0.2169 |
| 81.0 | 0.8606 | 0.0442 | 0.1588 | 0.1648 |
| 99.0 | 0.8982 | 0.0699 | 0.16 | 0.1746 |
| 117.0 | 0.7715 | 0.0501 | 0.1447 | 0.1531 |
| 135.0 | 0.5788 | 0.0469 | 0.1314 | 0.1395 |
| 153.0 | 0.5141 | 0.0734 | 0.2091 | 0.2216 |
| 171.0 | 0.8526 | 0.0026 | 0.5203 | 0.5203 |
Experiment comment: