Measurement E213M969
| Experiment: | E1-6, 2025 | |
|---|---|---|
| Year: | 2001 | |
| Spokespersons: | R.W. Gothe, A. Trivedi | |
| Reaction: | ep → π+π−p | |
| Polarization: | none | |
| Quantity: | dσ/d(−cos(θ(p))) | |
| Q2: | 3.5 — 4.2 GeV2 | |
| W: | 1.475 — 1.5 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.4283 | 0.0578 | 0.1814 | 0.2611 |
| 27.0 | 0.4613 | 0.0659 | 0.1285 | 0.1799 |
| 45.0 | 0.4376 | 0.0437 | 0.1096 | 0.1508 |
| 63.0 | 0.6044 | 0.0579 | 0.1195 | 0.1328 |
| 81.0 | 0.6293 | 0.059 | 0.1138 | 0.1282 |
| 99.0 | 0.7601 | 0.0674 | 0.1329 | 0.149 |
| 117.0 | 0.8806 | 0.059 | 0.1503 | 0.1615 |
| 135.0 | 0.898 | 0.0663 | 0.1534 | 0.1671 |
| 153.0 | 1.1179 | 0.0835 | 0.1928 | 0.2732 |
| 171.0 | 0.8532 | 0.1223 | 0.1949 | 0.2738 |
Experiment comment: