Measurement E213M1115
| 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: | 1.9 — 1.925 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.30709 | 0.8297 | 0.1171 | 0.1933 | 0.226 |
| 0.362989 | 2.0169 | 0.2107 | 0.4362 | 0.4844 |
| 0.418888 | 2.3281 | 0.1988 | 0.5228 | 0.5593 |
| 0.474787 | 2.6661 | 0.2125 | 0.5429 | 0.583 |
| 0.530686 | 3.4866 | 0.3269 | 0.6068 | 0.6892 |
| 0.586586 | 2.7197 | 0.223 | 0.5232 | 0.5687 |
| 0.642485 | 4.0026 | 0.3488 | 0.6577 | 0.7444 |
| 0.698384 | 5.5419 | 0.9135 | 0.7964 | 1.2119 |
| 0.754283 | 7.5148 | 0.6148 | 1.0056 | 1.1787 |
| 0.810182 | 6.0758 | 0.4763 | 0.8825 | 1.0029 |
| 0.866081 | 2.8987 | 0.3134 | 0.353 | 0.472 |
| 0.92198 | 1.5066 | 0.1638 | 0.1537 | 0.2247 |
| 0.977879 | 0.2454 | 0.0365 | 0.0304 | 0.0475 |
| 1.033778 | 0.0 | 0.0 | 0.0 | 0.0 |
Experiment comment: