Measurement E213M1358
| 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: | 1.85 — 1.875 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.30709 | 0.5288 | 0.0742 | 0.1664 | 0.1822 |
| 0.362989 | 1.9009 | 0.1845 | 0.4533 | 0.4894 |
| 0.418888 | 1.7386 | 0.1506 | 0.4534 | 0.4777 |
| 0.474787 | 2.004 | 0.1767 | 0.4865 | 0.5176 |
| 0.530686 | 1.6 | 0.4427 | 0.4386 | 0.6232 |
| 0.586586 | 1.9455 | 0.1552 | 0.4837 | 0.508 |
| 0.642485 | 2.3081 | 0.1896 | 0.5422 | 0.5744 |
| 0.698384 | 3.0672 | 0.2735 | 0.6455 | 0.701 |
| 0.754283 | 4.3067 | 0.356 | 0.7782 | 0.8558 |
| 0.810182 | 4.6171 | 0.4892 | 0.6515 | 0.8147 |
| 0.866081 | 1.6642 | 0.1671 | 0.2184 | 0.275 |
| 0.92198 | 0.4124 | 0.0643 | 0.0649 | 0.0913 |
| 0.977879 | 0.0 | 0.0 | 0.0 | 0.0 |
| 1.033778 | 0.0 | 0.0 | 0.0 | 0.0 |
Experiment comment: