Measurement E213M1113
| 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: | 1.875 — 1.9 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5233 | 0.0594 | 0.1382 | 0.1504 |
| 27.0 | 0.5172 | 0.0411 | 0.0982 | 0.1064 |
| 45.0 | 0.5743 | 0.0438 | 0.1037 | 0.1126 |
| 63.0 | 0.8668 | 0.0879 | 0.1676 | 0.1893 |
| 81.0 | 1.0361 | 0.1486 | 0.2044 | 0.2527 |
| 99.0 | 1.4334 | 0.0955 | 0.2357 | 0.2543 |
| 117.0 | 1.5612 | 0.1109 | 0.2557 | 0.2788 |
| 135.0 | 1.6356 | 0.1463 | 0.2725 | 0.3092 |
| 153.0 | 1.5864 | 0.1086 | 0.254 | 0.2762 |
| 171.0 | 2.1402 | 0.1824 | 0.3215 | 0.3696 |
Experiment comment: