Measurement E213M1133
| 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: | 1.95 — 1.975 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.30709 | 0.5447 | 0.0745 | 0.1734 | 0.1887 |
| 0.362989 | 1.5984 | 0.1505 | 0.4236 | 0.4496 |
| 0.418888 | 2.2514 | 0.1728 | 0.5745 | 0.5999 |
| 0.474787 | 2.1754 | 0.1405 | 0.5611 | 0.5784 |
| 0.530686 | 2.2439 | 0.1684 | 0.5682 | 0.5926 |
| 0.586586 | 2.2042 | 0.1776 | 0.5649 | 0.5922 |
| 0.642485 | 2.9946 | 0.3206 | 0.7007 | 0.7706 |
| 0.698384 | 5.014 | 0.2973 | 1.0482 | 1.0895 |
| 0.754283 | 6.6358 | 0.5767 | 1.289 | 1.4121 |
| 0.810182 | 4.9991 | 0.3296 | 1.002 | 1.0549 |
| 0.866081 | 2.9573 | 0.2131 | 0.6255 | 0.6608 |
| 0.92198 | 2.1269 | 0.2886 | 0.3763 | 0.4742 |
| 0.977879 | 1.2472 | 0.1631 | 0.178 | 0.2414 |
| 1.033778 | 0.0812 | 0.0182 | 0.0208 | 0.0277 |
Experiment comment: