Measurement E213M679
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.4 — 1.425 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.3934 | 0.0316 | 0.246 | 0.3379 |
| 27.0 | 0.4758 | 0.0504 | 0.1865 | 0.1932 |
| 45.0 | 0.5648 | 0.0514 | 0.1681 | 0.1758 |
| 63.0 | 0.5298 | 0.0453 | 0.1445 | 0.1514 |
| 81.0 | 0.4986 | 0.0364 | 0.1298 | 0.1348 |
| 99.0 | 0.4396 | 0.0356 | 0.1155 | 0.1209 |
| 117.0 | 0.5509 | 0.0434 | 0.1346 | 0.1414 |
| 135.0 | 0.5824 | 0.0509 | 0.1455 | 0.1541 |
| 153.0 | 0.5664 | 0.0585 | 0.1624 | 0.1726 |
| 171.0 | 0.4561 | 0.0489 | 0.2432 | 0.348 |
Experiment comment: