Measurement E213M1187
| 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: | 2.1 — 2.125 GeV | |
| Ebeam: | 5.754 GeV | |
| M(π+,π−), [GeV] | dσ/dM(π+,π−), [μb/GeV] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 0.311554 | 0.2699 | 0.0405 | 0.0771 | 0.0871 |
| 0.376382 | 0.691 | 0.0755 | 0.1577 | 0.1748 |
| 0.44121 | 1.1959 | 0.1106 | 0.2308 | 0.2559 |
| 0.506037 | 1.1868 | 0.1209 | 0.2369 | 0.2659 |
| 0.570865 | 1.7978 | 0.1859 | 0.3019 | 0.3545 |
| 0.635693 | 1.6063 | 0.124 | 0.3208 | 0.344 |
| 0.70052 | 2.767 | 0.1701 | 0.5083 | 0.536 |
| 0.765348 | 3.894 | 0.2379 | 0.6876 | 0.7276 |
| 0.830176 | 2.6828 | 0.1491 | 0.5698 | 0.589 |
| 0.895003 | 2.2005 | 0.1671 | 0.4539 | 0.4837 |
| 0.959831 | 1.9236 | 0.1595 | 0.3625 | 0.396 |
| 1.024659 | 1.5608 | 0.1409 | 0.2558 | 0.292 |
| 1.089486 | 0.8541 | 0.1238 | 0.1408 | 0.1875 |
| 1.154314 | 0.0007 | 0.0075 | 0.0004 | 0.0075 |
Experiment comment: