Measurement E213M1439
| 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: | 2.075 — 2.1 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.311554 | 0.1819 | 0.0234 | 0.0789 | 0.0823 |
| 0.376382 | 0.6268 | 0.0838 | 0.1705 | 0.19 |
| 0.44121 | 0.8966 | 0.1249 | 0.2165 | 0.25 |
| 0.506037 | 1.0962 | 0.1056 | 0.2338 | 0.2566 |
| 0.570865 | 1.1479 | 0.1058 | 0.2543 | 0.2755 |
| 0.635693 | 1.554 | 0.1291 | 0.3251 | 0.3498 |
| 0.70052 | 2.0757 | 0.1533 | 0.4674 | 0.4919 |
| 0.765348 | 2.802 | 0.1714 | 0.5975 | 0.6216 |
| 0.830176 | 1.9395 | 0.1569 | 0.4602 | 0.4862 |
| 0.895003 | 2.0127 | 0.1412 | 0.4045 | 0.4284 |
| 0.959831 | 1.5674 | 0.1465 | 0.3151 | 0.3475 |
| 1.024659 | 1.1184 | 0.1367 | 0.2288 | 0.2665 |
| 1.089486 | 0.4942 | 0.0824 | 0.1163 | 0.1425 |
| 1.154314 | 0.0005 | 0.0026 | 0.0003 | 0.0026 |
Experiment comment: