Measurement E213M1409
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(π+))) | |
| Q2: | 4.2 — 5.0 GeV2 | |
| W: | 1.975 — 2.0 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 1.2567 | 0.1459 | 0.1788 | 0.2308 |
| 27.0 | 1.1441 | 0.1101 | 0.1897 | 0.2194 |
| 45.0 | 0.9696 | 0.0755 | 0.2156 | 0.2284 |
| 63.0 | 0.8939 | 0.0623 | 0.1939 | 0.2036 |
| 81.0 | 0.771 | 0.0622 | 0.1365 | 0.1501 |
| 99.0 | 0.679 | 0.0611 | 0.1195 | 0.1342 |
| 117.0 | 0.5553 | 0.0361 | 0.1046 | 0.1107 |
| 135.0 | 0.491 | 0.0468 | 0.1067 | 0.1165 |
| 153.0 | 0.6447 | 0.1075 | 0.2079 | 0.234 |
| 171.0 | 0.7323 | 0.0023 | 0.426 | 0.426 |
Experiment comment: