Measurement E213M688
| 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: | 3.0 — 3.5 GeV2 | |
| W: | 1.425 — 1.45 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π−), [deg] | dσ/d(−cos(θ(π−))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5973 | 0.0859 | 0.2007 | 0.2183 |
| 27.0 | 0.8218 | 0.0827 | 0.1565 | 0.177 |
| 45.0 | 0.7972 | 0.0654 | 0.1452 | 0.1592 |
| 63.0 | 0.6657 | 0.0632 | 0.1169 | 0.1329 |
| 81.0 | 0.6373 | 0.056 | 0.1086 | 0.1222 |
| 99.0 | 0.5892 | 0.0463 | 0.1031 | 0.1131 |
| 117.0 | 0.6251 | 0.049 | 0.1088 | 0.1193 |
| 135.0 | 0.5899 | 0.0484 | 0.1054 | 0.116 |
| 153.0 | 0.6344 | 0.0616 | 0.1177 | 0.1328 |
| 171.0 | 0.836 | 0.1175 | 0.1875 | 0.2213 |
Experiment comment: