Measurement E213M1392
| 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: | 4.2 — 5.0 GeV2 | |
| W: | 1.925 — 1.95 GeV | |
| Ebeam: | 5.754 GeV | |
| θ(p), [deg] | dσ/d(−cos(θ(p))), [μb/rad] | uncertainty | syst. uncert. | total uncert. |
|---|---|---|---|---|
| 9.0 | 0.194 | 0.0252 | 0.0868 | 0.0904 |
| 27.0 | 0.1942 | 0.0236 | 0.0572 | 0.0619 |
| 45.0 | 0.3264 | 0.0389 | 0.0894 | 0.0975 |
| 63.0 | 0.4878 | 0.0443 | 0.1362 | 0.1432 |
| 81.0 | 0.7006 | 0.0587 | 0.1589 | 0.1694 |
| 99.0 | 0.9065 | 0.0628 | 0.1864 | 0.1967 |
| 117.0 | 0.9181 | 0.0515 | 0.1889 | 0.1958 |
| 135.0 | 0.9207 | 0.0581 | 0.1969 | 0.2053 |
| 153.0 | 1.1646 | 0.0921 | 0.2285 | 0.2464 |
| 171.0 | 1.0088 | 0.1062 | 0.2351 | 0.258 |
Experiment comment: