Measurement E213M1403
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/dM(π+,π−) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.30709 | 0.3158 | 0.0428 | 0.1182 | 0.1257 |
| 0.362989 | 0.7501 | 0.1144 | 0.2414 | 0.2672 |
| 0.418888 | 1.3488 | 0.1364 | 0.3338 | 0.3606 |
| 0.474787 | 0.9866 | 0.1005 | 0.2834 | 0.3007 |
| 0.530686 | 1.3747 | 0.1934 | 0.3209 | 0.3747 |
| 0.586586 | 1.4391 | 0.1366 | 0.3526 | 0.3782 |
| 0.642485 | 1.9762 | 0.1983 | 0.4411 | 0.4836 |
| 0.698384 | 3.2212 | 0.2316 | 0.6464 | 0.6866 |
| 0.754283 | 3.7274 | 0.235 | 0.7418 | 0.7782 |
| 0.810182 | 3.6596 | 0.2572 | 0.6786 | 0.7257 |
| 0.866081 | 2.5675 | 0.1908 | 0.4857 | 0.5219 |
| 0.92198 | 1.615 | 0.1348 | 0.3281 | 0.3548 |
| 0.977879 | 1.1498 | 0.1626 | 0.1978 | 0.256 |
| 1.033778 | 0.2297 | 0.0345 | 0.0437 | 0.0556 |
Experiment comment: