Measurement E213M944
| 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: | 3.5 — 4.2 GeV2 | |
| W: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.291911 | 1.4351 | 0.2359 | 0.5344 | 0.5841 |
| 0.317453 | 1.8981 | 1.5855 | 0.7819 | 1.7678 |
| 0.342995 | 3.8651 | 0.4579 | 1.2594 | 1.34 |
| 0.368537 | 3.6389 | 0.578 | 1.1663 | 1.3016 |
| 0.394079 | 4.1606 | 0.3711 | 1.2068 | 1.2626 |
| 0.419621 | 5.1598 | 0.4517 | 1.4112 | 1.4817 |
| 0.445163 | 6.2059 | 0.5415 | 1.6193 | 1.7074 |
| 0.470705 | 6.9958 | 0.6281 | 1.7322 | 1.8425 |
| 0.496247 | 2.1531 | 0.2439 | 0.5573 | 0.6083 |
| 0.521789 | 0.0008 | 0.0032 | 0.0006 | 0.0033 |
| 0.547331 | 0.0 | 0.0 | 0.0 | 0.0 |
| 0.572873 | 0.0 | 0.0 | 0.0 | 0.0 |
| 0.598415 | 0.0 | 0.0 | 0.0 | 0.0 |
| 0.623957 | 0.0 | 0.0 | 0.0 | 0.0 |
Experiment comment: