Measurement E213M1142
| 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: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.30709 | 0.3947 | 0.0552 | 0.1296 | 0.1409 |
| 0.362989 | 1.1876 | 0.1345 | 0.3048 | 0.3331 |
| 0.418888 | 1.7387 | 0.1384 | 0.4196 | 0.4418 |
| 0.474787 | 1.9136 | 0.1388 | 0.4441 | 0.4653 |
| 0.530686 | 2.0064 | 0.1308 | 0.4726 | 0.4903 |
| 0.586586 | 2.332 | 0.1861 | 0.5297 | 0.5615 |
| 0.642485 | 2.7725 | 0.208 | 0.6208 | 0.6547 |
| 0.698384 | 3.8168 | 0.2888 | 0.83 | 0.8788 |
| 0.754283 | 6.0244 | 0.4476 | 1.1415 | 1.2261 |
| 0.810182 | 5.2849 | 0.3959 | 1.0266 | 1.1003 |
| 0.866081 | 3.6849 | 0.2985 | 0.7012 | 0.7621 |
| 0.92198 | 2.9642 | 0.3188 | 0.5061 | 0.5981 |
| 0.977879 | 1.7696 | 0.1737 | 0.2375 | 0.2943 |
| 1.033778 | 0.236 | 0.1978 | 0.0382 | 0.2015 |
Experiment comment: