Measurement E213M1250
| 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: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.291911 | 0.2685 | 0.067 | 0.1438 | 0.2056 |
| 0.317453 | 1.1555 | 0.2096 | 0.461 | 0.6581 |
| 0.342995 | 1.4402 | 0.2462 | 0.5252 | 0.58 |
| 0.368537 | 1.5357 | 0.2437 | 0.5252 | 0.579 |
| 0.394079 | 1.5727 | 0.268 | 0.5128 | 0.5786 |
| 0.419621 | 1.6996 | 0.2627 | 0.5309 | 0.5923 |
| 0.445163 | 2.7333 | 0.3452 | 0.7023 | 0.7826 |
| 0.470705 | 2.8172 | 0.3682 | 0.7162 | 0.8052 |
| 0.496247 | 3.3926 | 0.4942 | 0.7766 | 0.9205 |
| 0.521789 | 4.0296 | 0.4319 | 0.8493 | 0.9528 |
| 0.547331 | 3.4917 | 0.3802 | 0.7292 | 0.8224 |
| 0.572873 | 4.0552 | 0.4956 | 0.7729 | 1.0949 |
| 0.598415 | 3.1932 | 0.3074 | 0.5849 | 0.8289 |
| 0.623957 | 1.0743 | 0.1712 | 0.2137 | 0.2738 |
Experiment comment: