Measurement E213M1256
| 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: | 1.55 — 1.575 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(π+), [deg] | dσ/d(−cos(θ(π+))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.5585 | 0.0914 | 0.1319 | 0.1934 |
| 27.0 | 0.7787 | 0.0744 | 0.1547 | 0.2257 |
| 45.0 | 0.4495 | 0.056 | 0.1026 | 0.1475 |
| 63.0 | 0.3719 | 0.0484 | 0.0871 | 0.0996 |
| 81.0 | 0.4229 | 0.0419 | 0.089 | 0.0983 |
| 99.0 | 0.4329 | 0.0385 | 0.0962 | 0.1036 |
| 117.0 | 0.4262 | 0.039 | 0.0886 | 0.0968 |
| 135.0 | 0.3833 | 0.0488 | 0.0866 | 0.1314 |
| 153.0 | 0.3518 | 0.0374 | 0.2165 | 0.3068 |
| 171.0 | 0.4085 | 0.002 | 0.2755 | 0.3872 |
Experiment comment: