Measurement E213M278
| 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: | 2.0 — 2.4 GeV2 | |
| W: | 1.75 — 1.775 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.301733 | 2.7807 | 0.22 | 0.578 | 1.35 |
| 0.346918 | 12.5031 | 0.7547 | 1.9007 | 3.5554 |
| 0.392102 | 13.0546 | 0.6823 | 1.9401 | 2.0566 |
| 0.437287 | 11.4124 | 0.6771 | 1.7976 | 1.9209 |
| 0.482472 | 12.9533 | 0.8036 | 1.864 | 2.0298 |
| 0.527657 | 14.6147 | 0.9007 | 1.9624 | 2.1592 |
| 0.572842 | 13.0316 | 0.889 | 1.8289 | 2.0335 |
| 0.618027 | 14.7896 | 0.9108 | 1.9266 | 2.131 |
| 0.663211 | 16.1928 | 1.1006 | 2.0261 | 2.3057 |
| 0.708396 | 17.1549 | 0.8271 | 2.0453 | 2.2062 |
| 0.753581 | 16.4644 | 0.6806 | 1.5528 | 2.2882 |
| 0.798766 | 7.9686 | 0.324 | 0.7458 | 4.3879 |
| 0.843951 | 0.1003 | 0.0196 | 0.0295 | 0.0354 |
| 0.889136 | 0.0 | 0.0 | 0.0 | 0.0 |
Experiment comment: