Measurement E213M1220
| 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: | 1.45 — 1.475 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5719 | 0.1089 | 0.0967 | 0.1457 |
| 27.0 | 0.6696 | 0.0663 | 0.0957 | 0.283 |
| 45.0 | 0.4077 | 0.0454 | 0.0635 | 0.0781 |
| 63.0 | 0.5329 | 0.0557 | 0.0791 | 0.0967 |
| 81.0 | 0.3822 | 0.0399 | 0.0579 | 0.0703 |
| 99.0 | 0.3374 | 0.0406 | 0.0517 | 0.0657 |
| 117.0 | 0.3341 | 0.0475 | 0.0547 | 0.0724 |
| 135.0 | 0.2422 | 0.0387 | 0.0491 | 0.1471 |
| 153.0 | 0.3543 | 0.0525 | 0.1992 | 0.2165 |
| 171.0 | 0.3485 | 0.0024 | 0.2189 | 0.2434 |
Experiment comment: